Unplayably bad stuttering in Unity/Mono games -- kernel regression?

hi folks,
I'm fairly new to Arch, so bear with me here -- I'm running Gnome 3 with gdm, on the newest kernel / mesa / etc. from pacman. i5-4300Y with haswell graphics. have had this system running for a few weeks. when I first got it, everything was working OK, except I noticed that performance was implausibly bad in a handful of steam games -- like 2-3 frames per second bad. thinking on it, this seems to be only games that make use of the Unity or Mono middleware.
originally, I was running lightdm, and I thought it was narrowly possible that might be the issue, since I know upstream Gnome 3 doesn't really support anything other than gdm at this point. I switched to gdm, and the problem seemed to go away, but in hindsight, that might've been the same time as I updated from 3.18.2 to 3.18.3 or 3.18.4 (sorry I can't isolate this better, but I'm at least certain it was one of those).
however, the issue has come back this week, though I noticed I'm now on 3.18.5 -- so that might be it? I guess it no longer seems like it could be a lightdm issue, since I'm still on gdm, and I don't think it's an upstream mesa issue, since I'm running git mesa (newer than the bleeding edge unstable releases in arch sources) on my Ubuntu box which also uses Intel graphics, and it's not showing any of the same issues (but it's on a 3.13 kernel).
other games perform fine, so I don't think it's an issue with my GPU somehow underclocking itself. it's just Unity/Mono stuff. the games in question have not updated over this time period (or at least, all of them haven't updated the Unity/Mono runtimes such that this is plausibly the issue).
any thoughts? thanks!

Sorry to bump this thread, but I'm still having the issue -- kernel's only been bumped from 3.18.5 to 3.18.6 in the past month, so I suppose it could be a kernel regression that's still unfixed, but I'm really skeptical that this could be a kernel problem. Anyone have any thoughts? It's a mystery to me...
I'll note that this machine is also powertopped, though the issue persists when I disable all of the powertop optimizations to test.
Last edited by axfelix (2015-03-03 17:35:36)

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Last edited by andrew-wja (2012-01-10 21:21:29)

Works fine here, same driver, static IP though.
$ uname -a
Linux amalthea 3.1.8-1-ARCH #1 SMP PREEMPT Sat Jan 7 08:03:08 UTC 2012 i686 Intel(R) Celeron(R) CPU G530 @ 2.40GHz GenuineIntel GNU/Linux
$ lspci|grep Ethernet
00:19.0 Ethernet controller: Intel Corporation 82579V Gigabit Network Connection (rev 05)
$ lspci -nn|grep 00:19.0
00:19.0 Ethernet controller [0200]: Intel Corporation 82579V Gigabit Network Connection [8086:1503] (rev 05)
$ dmesg|grep e1000e
[ 3.965629] e1000e: Intel(R) PRO/1000 Network Driver - 1.4.4-k
[ 3.965632] e1000e: Copyright(c) 1999 - 2011 Intel Corporation.
[ 3.965664] e1000e 0000:00:19.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
[ 3.965673] e1000e 0000:00:19.0: setting latency timer to 64
[ 3.965772] e1000e 0000:00:19.0: irq 43 for MSI/MSI-X
[ 4.271943] e1000e 0000:00:19.0: eth0: (PCI Express:2.5GT/s:Width x1) xx:xx:xx:xx:xx:xx
[ 4.271946] e1000e 0000:00:19.0: eth0: Intel(R) PRO/1000 Network Connection
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[ 7.196733] e1000e 0000:00:19.0: irq 43 for MSI/MSI-X
[ 7.248933] e1000e 0000:00:19.0: irq 43 for MSI/MSI-X
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Last edited by .:B:. (2012-01-09 21:24:59)

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wlan0 IEEE 802.11abgn ESSID:"MySSID"
Mode:Managed Frequency:2.412 GHz Access Point: MyMac
Bit Rate=24 Mb/s Tx-Power=14 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=55/70 Signal level=-55 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:5 Invalid misc:33419 Missed beacon:0
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Oh and if this helps here is an output of dmesg |grep 4965 :
[ 5.842556] iwl4965: Intel(R) Wireless WiFi 4965 driver for Linux, in-tree:
[ 5.842578] iwl4965: Copyright(c) 2003-2011 Intel Corporation
[ 5.842580] Registering 4965 rate control operations
[ 5.842643] iwl4965 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[ 5.842651] iwl4965 0000:03:00.0: setting latency timer to 64
[ 5.842678] iwl4965 0000:03:00.0: Detected Intel(R) Wireless WiFi Link 4965AGN, REV=0x4
[ 5.915174] iwl4965 0000:03:00.0: device EEPROM VER=0x36, CALIB=0x5
[ 5.915192] iwl4965 0000:03:00.0: Tunable channels: 11 802.11bg, 13 802.11a channels
[ 5.915451] iwl4965 0000:03:00.0: irq 48 for MSI/MSI-X
[ 6.017997] iwl4965 0000:03:00.0: loaded firmware version 228.61.2.24
[ 6.401528] ieee80211 phy0: Selected rate control algorithm 'iwl-4965-rs'
and an output of lspci | grep 4965 :
03:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)
I connect to my network with WPA2(AES) encryption and I'm using NetworkManager for my networking management.
If theres any other info that I should share to help solve this problem please let me know.
(P.S. I'm a new convert to Arch and I've been finding it great!)
-MDstr
Last edited by MDstr (2011-06-13 13:43:24)

djpohly wrote:qelo: what kind of card do you have? Maybe we have a different problem from the OP...?
I have 4965AGN. I can use wifi if I have very good link quality but even then I have many "Tx excessive retries" and "Invalid misc".
$ uname -r
3.0.0-rc3-mainline
wlan0 IEEE 802.11abgn ESSID:"x"
Mode:Managed Frequency:2.427 GHz Access Point: xx:xx:xx:xx:xx:xx
Bit Rate=13 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=37/70 Signal level=-73 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:12688 Invalid misc:27437 Missed beacon:0
[ 13.522300] iwl4965: Intel(R) Wireless WiFi 4965 driver for Linux, in-tree:
[ 13.522369] iwl4965: Copyright(c) 2003-2011 Intel Corporation
[ 13.522503] iwl4965 0000:04:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[ 13.522603] iwl4965 0000:04:00.0: Detected Intel(R) Wireless WiFi Link 4965AGN, REV=0x4
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[ 13.561613] iwl4965 0000:04:00.0: Tunable channels: 13 802.11bg, 19 802.11a channels
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[ 151.653373] iwl4965 0000:04:00.0: iwl4965_tx_agg_start on ra = xx:xx:xx:xx:xx:xx tid = 0
[ 155.353370] iwl4965 0000:04:00.0: iwl4965_tx_agg_start on ra = xx:xx:xx:xx:xx:xx tid = 0
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[ 1190.419959] iwl4965 0000:04:00.0: iwl4965_tx_agg_start on ra = xx:xx:xx:xx:xx:xx tid = 6
[14916.337475] iwl4965 0000:04:00.0: iwl4965_tx_agg_start on ra = xx:xx:xx:xx:xx:xx tid = 0
[17726.030890] iwl4965 0000:04:00.0: Aggregation not enabled for tid 6 because load = 0
[21043.402115] iwl4965 0000:04:00.0: Aggregation not enabled for tid 6 because load = 1
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Strange micro stuttering in games with new keyboard

I recently upgraded my keyboard to one with mechanical switches and a much higher polling rate at 1000 Hz /1 ms.
After switching over to this keyboard, I'm getting strange fps microstutters in games. Not sure how to diagnose and fix this issue.
I've done some simple A/B tests with the same game and my old Logitech K120 USB membrane keyboard and the new keyboard also changing USB 2.0 ports even trying on 3.0 and PS/2 via a USB to PS/2 adapter, although the keyboard wont work via PS/2 (PS/2 hook is enabled via mkinitcpio and a regular PS/2 keyboard works).
With the old keyboard everything is buttery smooth with a high frame rate, the new keyboard causes strange stuttering in almost all games, although I have the same frame rates.
The new keyboard is a CM Storm Quickfire TK, which I'm assuming is putting out a hardware based 1000hz polling rate over USB?
Would there be anyway to lower the polling rate of the keyboard to test if that is the cause of the issue? Can only seem to find info on changing mouse polling rate.
The only other hardware connected to USB is a Razer Deathadder mouse running at 450 DPI & 500Hz, using the razercfg drivers from AUR.
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Last edited by Breakage (2014-03-19 01:10:50)

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I can give any other info needed.

Quote from: lbman14 on 12-May-15, 02:12:13
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~$ ./sir_alpha_v0.6.4860
Set current directory to /media/TARDIS/home/sammy/Desktop/linux
Found path: /media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6.4860
Mono path[0] = '/media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Managed'
Mono path[1] = '/media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono'
Mono config path = '/media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/etc'
Stacktrace:
Native stacktrace:
/media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/x86/libmono.so(+0x8b190) [0xf4b90190]
/media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/x86/libmono.so(+0xbd22d) [0xf4bc222d]
linux-gate.so.1(__kernel_rt_sigreturn+0) [0xf7713410]
./sir_alpha_v0.6.4860() [0x82ca4ea]
./sir_alpha_v0.6.4860() [0x82caf7c]
./sir_alpha_v0.6.4860() [0x816582f]
./sir_alpha_v0.6.4860() [0x84f1d5a]
./sir_alpha_v0.6.4860() [0x84c8c08]
./sir_alpha_v0.6.4860() [0x87d248d]
/usr/lib32/libc.so.6(__libc_start_main+0xf3) [0xf71bf9d3]
Debug info from gdb:
ptrace: Operation not permitted.
No threads.
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
Aborted (core dumped)
here for another game, just to show that the output is pretty much the same but it's libpthread and not linux_gate
~$ ./RaceTheSun.x86_64
Set current directory to /media/TARDIS/home/sammy/Desktop/RaceTheSun/RaceTheSun_1.10_LINUX
Found path: /media/TARDIS/home/sammy/Desktop/RaceTheSun/RaceTheSun_1.10_LINUX/RaceTheSun.x86_64
Mono path[0] = '/media/TARDIS/home/sammy/Desktop/RaceTheSun/RaceTheSun_1.10_LINUX/RaceTheSun_Data/Managed'
Mono path[1] = '/media/TARDIS/home/sammy/Desktop/RaceTheSun/RaceTheSun_1.10_LINUX/RaceTheSun_Data/Mono'
Mono config path = '/media/TARDIS/home/sammy/Desktop/RaceTheSun/RaceTheSun_1.10_LINUX/RaceTheSun_Data/Mono/etc'
Stacktrace:
Native stacktrace:
/media/TARDIS/home/sammy/Desktop/RaceTheSun/RaceTheSun_1.10_LINUX/RaceTheSun_Data/Mono/x86_64/libmono.so(+0x92db2) [0x7fbed98ebdb2]
/media/TARDIS/home/sammy/Desktop/RaceTheSun/RaceTheSun_1.10_LINUX/RaceTheSun_Data/Mono/x86_64/libmono.so(+0xd0735) [0x7fbed9929735]
/usr/lib/libpthread.so.0(+0xf870) [0x7fbede06f870]
/usr/lib/libc.so.6(strlen+0x2a) [0x7fbedd615a7a]
./RaceTheSun.x86_64() [0x692f88]
./RaceTheSun.x86_64() [0x6932b5]
./RaceTheSun.x86_64() [0x693ee9]
./RaceTheSun.x86_64() [0x52e538]
./RaceTheSun.x86_64() [0x8c19da]
./RaceTheSun.x86_64() [0x89825d]
./RaceTheSun.x86_64() [0xbab0a7]
/usr/lib/libc.so.6(__libc_start_main+0xf5) [0x7fbedd5b5bc5]
./RaceTheSun.x86_64() [0x44b9b9]
Debug info from gdb:
ptrace: Operation not permitted.
No threads.
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
Aborted (core dumped)
Here if I try starting it with sudo:
~$ sudo ./sir_alpha_v0.6.4860
[sudo] password for sammy:
Set current directory to /media/TARDIS/home/sammy/Desktop/linux
Found path: /media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6.4860
Mono path[0] = '/media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Managed'
Mono path[1] = '/media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono'
Mono config path = '/media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/etc'
Stacktrace:
Native stacktrace:
/media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/x86/libmono.so(+0x8b190) [0xf4bc3190]
/media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/x86/libmono.so(+0xbd22d) [0xf4bf522d]
linux-gate.so.1(__kernel_rt_sigreturn+0) [0xf7746410]
./sir_alpha_v0.6.4860() [0x82ca4ea]
./sir_alpha_v0.6.4860() [0x82caf7c]
./sir_alpha_v0.6.4860() [0x816582f]
./sir_alpha_v0.6.4860() [0x84f1d5a]
./sir_alpha_v0.6.4860() [0x84c8c08]
./sir_alpha_v0.6.4860() [0x87d248d]
/usr/lib32/libc.so.6(__libc_start_main+0xf3) [0xf71f29d3]
Debug info from gdb:
warning: Could not load shared library symbols for linux-gate.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[New LWP 28414]
[New LWP 28413]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
0xf7746430 in __kernel_vsyscall ()
Id Target Id Frame
3 Thread 0xf7708b40 (LWP 28413) "sir_alpha_v0.6." 0xf7746430 in __kernel_vsyscall ()
2 Thread 0xf4530b40 (LWP 28414) "sir_alpha_v0.6." 0xf7746430 in __kernel_vsyscall ()
* 1 Thread 0xf4fca980 (LWP 28412) "sir_alpha_v0.6." 0xf7746430 in __kernel_vsyscall ()
Thread 3 (Thread 0xf7708b40 (LWP 28413)):
#0 0xf7746430 in __kernel_vsyscall ()
#1 0xf74002b6 in nanosleep () from /usr/lib32/libpthread.so.0
#2 0xf4ca70a7 in ?? () from /media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/x86/libmono.so
#3 0xf73f8f10 in start_thread () from /usr/lib32/libpthread.so.0
#4 0xf72c6fce in clone () from /usr/lib32/libc.so.6
Thread 2 (Thread 0xf4530b40 (LWP 28414)):
#0 0xf7746430 in __kernel_vsyscall ()
#1 0xf73feeb5 in sem_wait@@GLIBC_2.1 () from /usr/lib32/libpthread.so.0
#2 0xf4cc55d9 in mono_sem_wait () from /media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/x86/libmono.so
#3 0xf4c22138 in ?? () from /media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/x86/libmono.so
#4 0xf4c9304b in ?? () from /media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/x86/libmono.so
#5 0xf4cbcf7f in ?? () from /media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/x86/libmono.so
#6 0xf4cde973 in ?? () from /media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/x86/libmono.so
#7 0xf73f8f10 in start_thread () from /usr/lib32/libpthread.so.0
#8 0xf72c6fce in clone () from /usr/lib32/libc.so.6
Thread 1 (Thread 0xf4fca980 (LWP 28412)):
#0 0xf7746430 in __kernel_vsyscall ()
#1 0xf73ffadb in read () from /usr/lib32/libpthread.so.0
#2 0xf4bc3326 in ?? () from /media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/x86/libmono.so
#3 0xf4bf522d in ?? () from /media/TARDIS/home/sammy/Desktop/linux/sir_alpha_v0.6_Data/Mono/x86/libmono.so
#4 <signal handler called>
#5 0xf725bca6 in __strlen_sse2_bsf () from /usr/lib32/libc.so.6
#6 0x082ca1bb in ?? ()
#7 0x082ca4ea in ?? ()
#8 0x082caf7c in ?? ()
#9 0x0816582f in ?? ()
#10 0x084f1d5a in ?? ()
#11 0x084c8c08 in ?? ()
#12 0x087d248d in ?? ()
#13 0xf71f29d3 in __libc_start_main () from /usr/lib32/libc.so.6
#14 0xf7767fbc in _DYNAMIC () from /lib/ld-linux.so.2
#15 0x00000001 in ?? ()
#16 0x08082980 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
the ldd output for "sir you are being hunted".
~$ ldd sir_alpha_v0.6.4860
linux-gate.so.1 (0xf7730000)
libGLU.so.1 => /usr/lib32/libGLU.so.1 (0xf7654000)
libGL.so.1 => /usr/lib32/libGL.so.1 (0xf7553000)
libX11.so.6 => /usr/lib32/libX11.so.6 (0xf741c000)
libXext.so.6 => /usr/lib32/libXext.so.6 (0xf7409000)
libXcursor.so.1 => /usr/lib32/libXcursor.so.1 (0xf73fd000)
libdl.so.2 => /usr/lib32/libdl.so.2 (0xf73f8000)
libpthread.so.0 => /usr/lib32/libpthread.so.0 (0xf73dc000)
librt.so.1 => /usr/lib32/librt.so.1 (0xf73d3000)
libm.so.6 => /usr/lib32/libm.so.6 (0xf738d000)
libgcc_s.so.1 => /usr/lib32/libgcc_s.so.1 (0xf7372000)
libc.so.6 => /usr/lib32/libc.so.6 (0xf71c3000)
/lib/ld-linux.so.2 (0xf7731000)
libstdc++.so.6 => /usr/lib32/libstdc++.so.6 (0xf70da000)
libnvidia-tls.so.325.15 => /usr/lib32/libnvidia-tls.so.325.15 (0xf70d6000)
libnvidia-glcore.so.325.15 => /usr/lib32/libnvidia-glcore.so.325.15 (0xf4ff5000)
libxcb.so.1 => /usr/lib32/libxcb.so.1 (0xf4fd3000)
libXrender.so.1 => /usr/lib32/libXrender.so.1 (0xf4fc7000)
libXfixes.so.3 => /usr/lib32/libXfixes.so.3 (0xf4fc1000)
libXau.so.6 => /usr/lib32/libXau.so.6 (0xf4fbd000)
libXdmcp.so.6 => /usr/lib32/libXdmcp.so.6 (0xf4fb6000)
anybody got an idea?

just got a new game writen with unity/mono and same problem. Weirdly teh PC version seems to run fine in wine?!?
I uninstalled and reinstalled all the mono related packages ... no chance.
just to compare, here are the specs of my system :
System: Host: cosmic-bandito Kernel: 3.12.0-1-ARCH x86_64 (64 bit) Desktop: Xfce 4.10.2 Distro: Arch Linux
Machine: Mobo: ASUSTeK model: P5N-E SLI version: 1.XX Bios: Phoenix version: ASUS P5N-E SLI 0901 date: 02/01/2008
CPU: Quad core Intel Core2 Quad CPU Q6600 (-MCP-) cache: 4096 KB flags: (lm nx sse sse2 sse3 ssse3 vmx)
Clock Speeds: 1: 2400.079 MHz 2: 2400.079 MHz 3: 2400.079 MHz 4: 2400.079 MHz
Graphics: Card: NVIDIA GF114 [GeForce GTX 560] X.Org: 1.14.4 driver: nvidia Resolution: [email protected]
GLX Renderer: GeForce GTX 560/PCIe/SSE2 GLX Version: 4.4.0 NVIDIA 331.20
Audio: Card-1: Creative Labs CA0106 Soundblaster driver: snd_ca0106 Sound: ALSA ver: k3.12.0-1-ARCH
Card-2: NVIDIA GF114 HDMI Audio Controller driver: snd_hda_intel
Card-3: NVIDIA MCP51 High Definition Audio driver: snd_hda_intel
Card-4: Logitech QuickCam E 3500 driver: USB Audio
Network: Card: NVIDIA MCP51 Ethernet Controller driver: forcedeth
IF: eth0 state: up speed: 1000 Mbps duplex: full mac: 00:1e:8c:cf:a4:32
Drives: HDD Total Size: 6001.2GB (47.8% used) 1: id: /dev/sda model: ST2000DL003 size: 2000.4GB
2: id: /dev/sdb model: Hitachi_HDS72101 size: 1000.2GB 3: id: /dev/sdc model: WDC_WD2002FAEX size: 2000.4GB
4: id: /dev/sdd model: SAMSUNG_HD103UJ size: 1000.2GB
Partition: ID: / size: 145G used: 77G (57%) fs: ext3 ID: /boot size: 198M used: 26M (15%) fs: ext2
Sensors: System Temperatures: cpu: 40.0C mobo: 38.0C gpu: 39C
Fan Speeds (in rpm): cpu: 1654 sys-1: 1814 sys-2: 0
Info: Processes: 149 Uptime: 2:43 Memory: 1259.2/7988.5MB Client: Shell (bash) inxi: 1.9.16

Casual Game Advice?

Hi there experts,
Does anyone have any wise words to share about releasing a casual game created with Director? Getting a Director created game onto BigFishGames.com etc...
I've done many shockwave webgames, but am looking into this area and wanted to avoid any common pitfalls.
Also, does anyone know a workaround to the full 3:4 screen game on a wide-screen monitor distortion issue? (other than creating two separate versions, one with slightly distorted sprites to counter the issue). Many games like Airport Mania don't bother, but Peggle Nights seems to have a work around (not a Director creation though I know) but only when 3d acceleration is set to one which infers it is a 3D x axis scaling trick.
I'm using buddyAPI to test resolution swapping, and realize this is a sensitive area for many users. So many casual games though, including Peggle, change res without asking the user, so is this less of a taboo nowadays?
Any thoughts or advice much appreciated!
Richard

Thanks for the good advice.
I have been keeping a very close eye on Unity (feels like so many others have already swapped) and had my finger hovering over the buy button at one point. However, reading the small print you can't export iPhone games with the PC version which was one of the attractions to making the shift to C# and the whole new way of working. Future changes like coding Unity C# within Visual Studio still seem some way off, and I'm mildly nervous about having the whole thing based on MONO with the patent issues hanging over it. There was a scare with the iPhone games too with many developers having Unity based games temporarily banned from the Apple App store recently.
If you could export iPhone games on the PC version I probably would have changed over, but many of the casual games I plan to make will be 2D, which Director is still OK at. I think Unity would be superb if I was Mac / Maya based, but coming from a PC background using Lightwave3D (which still has export issues with Unity) I have been put off for now.
Cheers, and thanks for taking the time to reply.
Richard Smith

FOUND SOLUTION FOR dv7 4121er STUTTERING SOUND!!!

Alright. Sorry for bad english.
I got new Pavilion dv7 4121er with stuttering sound/glitching/laggy games from the box. Lurking this forum got and try many different solutions for resolving this issue. Nothing work.
So let me be close to the problem - i just noted (thanx for RamonGutierrez on this forum for idea) that my HDD led very often turn red\orange and right for that - i got slow performance in gaming\loading stuff etc. So definetely something wrong with HDD. Then, lurking more - HP got utility "HP 3D Drive guard". This utility prevent damage for HDD in case of laptop just dropped on the floor. This utility parking heads of HDD and do it VERY often. So i just turn this utility OFF (unintall or just disable i think it's no difference). And restart PC. Gues what? NO MORE RED HDD LED. Just virgin white when data transmitted, NO AUDIO STUTTERING AT ALL (at least 4 hour with BFBC 2 and GTA 4 testing) and no laaaag or long loading in games!
Hope this is the solution! Worked for me anyway! Good luck!

Apparently HP 3D DriveGuard is already disabled for me (I never messed around with it and it was already disabled) yet I still have the problem. Why do I think this guy is just making false claims, possibly working for HP to make people keep their defective computers with the hope of a fix?
You got me buddy!
In fact, I do not agitate anyone had not returned their laptops and wait for a solution. I was going to return the laptop. Just in Russia is not so simple. I just described the solution that helped me personally on my laptop model. I'm not saying that it fit all. But I see that this solution has worked not only for me.
And then - you say yourself that the HDD light continues to blink red/orange! That because HDD STILL parking his heads all the time. Why? I dunno... Maybe someone else do. Try to ask RamonGutierrez - hi's just replace HDD in laptop - and problem was solved. Still im sure that was NOT IDT Audio Codec bug in my case.

SPLIT: GX740 verry annoying stuttering issue

Hi
Sorry to hi-jack this thread but I have the exact same problem as Dan1987 my games lag, Ive tried to do a system restore but nothing happens when I use the f3 key
it tells me that my C drive will get delete and I've clicked OK and it does not do any thing then my system gets rebooted back to win7 with nothing deleted.
I've also tried to make some restore Cd's but all I get is an error (split process occur false) and that's it no Cd's

Here are the pictures of what happens when I try to recover my system or make recovery cd's then there is my stuttering problem in my games which I think is a
hardware problem.
1) just starting
2) clicking ok to the options
3) confirming that its ok to delete every thing from drive C:
4) Don't touch the keyboard
5) no hard drive activity
6) Reboot
7) Back to windows 7 with no changes
I get this error while trying to make my recovery cd's
Now I have my hidden partition always mounted
Sorry for the bad pictures I only had my Iphone to hand

Constant FPS drops paired with sound stutter on litterally every game I play

Hey everyone.
So for quite a long time now I've been getting framerate drops in litterally every game I play.
MSi GE60
CPU: i7-3630QM
Graphics Card: Nvidia GeFoce GTX 660M
The FPS drops are always paired with sound stuttering, be it the game sounds or music I'm listening to. It really makes it impossible to play, I've tried dealing with it for a long time now but it's been getting on my nerves immensely lately.
Games it's happened on:
Path of Exile
League of Legends
World of Warcraft
Hearthstone (!!!!!!!!!!! I mean, really? Hearthstone? I can't run the simplest card game? :/)
I know my laptop isn't a top tier laptop but even on the very lowest settings I can't seem to run any game smoothly. And it isn't just FPS drops, it's pretty much always. Some games, like Path of Exile, it's even on a constant like 5 FPS which makes it impossible to play.
And yes, I'm running the games on the Nvidia. I've tried multiple things, I even reset my laptop to factory settings and it's still this bad.
It wasn't happening when I had just bought the laptop, as far as I can remember. It's about a year old now and it's been happening for, say, 8 months or so.
If someone has experienced/solved this issue, please try and help me out. If you need more information, ask (and tell me where/how to find it, I'm pretty bad with laptops/PCs), and I'll post it.
Thanks in advance!

Most likely the heatsinks aren't seated properly or the heatsink compound wasn't applied correctly.
This is fairly common, and I had the same problem with my GT70 0NE when I purchased it.
It's fairly easy to remove open the bottom of the laptop up, remove the heatsinks and clean and re-apply the thermal compound, and then re-seat the heatsinks. Takes maybe 30 minutes if you're slow and careful like me.
If you don't feel good about doing it, then I suggest doing an RMA.
>>How to contact MSI.<<
ALSO, as long as you don't screw anything up inside the laptop, the warranty will still be good. Don't worry about the sticker on the bottom. It's mainly there to keep people from opening it up, but you have to be able to in order to add more memory or another HDD/SSD.

Kernel Panic on Mac Pro 1,1

Hi all, I've searched these boards for some time now, but don't seem to be finding an answer to my questions...
*The Unit:*
+MacPro1,1 - Dual-Core Intel Xeon - 2.66 GHz - 4 GB - ROM-version: MP11.005D.B00 - SMC-version (systeem): 1.7f10 – External Hardware: ACD (USB and FW plugged in) Apple non aluminium USB Keyboard and Wacom A5 Wide pen tablet.+
This particular Mac has been in for repairs on the videocard, a NVIDIA GeForce 7300 GT. The symptoms related to that problem are from a different nature, so I don't think the card has gone bad again.
*The Problem:*
Having kernel panics regularly for some time now (3 last week). I couldn't determine what it was other than broken RAM (I had 6 slots 2*1GB; 4*512MB of original Apple Ram). I tested this RAM using Rember overnight. When I entered the office, the Mac had the grey curtain all over the screen. So this was replaced last monday with 2*2GB Crucial Apple certified RAM. It ran good for 2 and a half days — just got a new Kernel Panic. So... not the RAM, but then what?
The Kernel Panics had all sorts of BSD processes connected to the problem. The last one (which I unfortunately send to Apple before saving it in a txt file) stated Adobe inDesign as the problem. Other panics pointed at window server, wacom driver and so on, I haven't seen a lot of the same processes passing by, it's a different process most of the time.
These are some other Panics I saved, could you please take a look at it and give me an idea of what the problem might be? My Wacom is running the latest driver btw.
*PANIC 2 on 1 day*
+Interval Since Last Panic Report: -2 sec+
+Panics Since Last Report: 1+
+Anonymous UUID: 6579BADA-9095-43D0-9C12-6FD1DDF61BB2+
+Wed Jan 6 15:44:48 2010+
+panic(cpu 3 caller 0x001AB0FE): Kernel trap at 0x001a8954, type 14=page fault, registers:+
+CR0: 0x8001003b, CR2: 0x00004031, CR3: 0x012eb000, CR4: 0x00000660+
+EAX: 0x00000051, EBX: 0x072baf38, ECX: 0x072baf20, EDX: 0x071dc440+
+CR2: 0x00004031, EBP: 0x5cae3e78, ESI: 0x072bb138, EDI: 0x5597a000+
+EFL: 0x00010002, EIP: 0x001a8954, CS: 0x00000008, DS: 0x5cae0010+
+Error code: 0x00000003+
+Backtrace (CPU 3), Frame : Return Address (4 potential args on stack)+
+0x5cae3c68 : 0x12b4c6 (0x45f91c 0x5cae3c9c 0x13355c 0x0)+
+0x5cae3cb8 : 0x1ab0fe (0x469a98 0x1a8954 0xe 0x469248)+
+0x5cae3d98 : 0x1a1713 (0x5cae3db0 0x800003d7 0x5cae3e78 0x1a8954)+
+0x5cae3da8 : 0x1a8954 (0xe 0x72a0048 0xf80010 0x10)+
+0x5cae3e78 : 0x1a97e1 (0x0 0x44c7c9c3 0x5cae3ed8 0x13fddd)+
+0x5cae3ed8 : 0x136cb3 (0x7389d60 0x425a22 0x72baf20 0xe3f928)+
+0x5cae3f38 : 0x136e92 (0x7389d7c 0x0 0x0 0x549174)+
+0x5cae3f78 : 0x136efd (0x425a22 0x73e3d40 0x0 0x73e3d40)+
+0x5cae3f98 : 0x425ae1 (0x425a22 0x73e3d40 0x7387b58 0x132386)+
+0x5cae3fc8 : 0x1a14fc (0x73e3d40 0x0 0x1a40b5 0x72baf20)+
+Backtrace terminated-invalid frame pointer 0+
+BSD process name corresponding to current thread: kernel_task+
+Mac OS version:+
9L30
+Kernel version:+
+Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386+
+System model name: MacPro1,1 (Mac-F4208DC8)+
+System uptime in nanoseconds: 4223106862116+
+unloaded kexts:+
+com.apple.driver.AppleHDAPlatformDriver 1.7.1a2 - last unloaded 171466320889+
+loaded kexts:+
+com.bresink.driver.BRESINKx86Monitoring 3.1+
+at.obdev.nke.LittleSnitch 2.2.05+
+com.apple.filesystems.afpfs 9.0.2 - last loaded 3610398191933+
+com.apple.nke.asp_tcp 4.7.1+
+com.apple.driver.AppleHWSensor 1.9d0+
+com.apple.filesystems.autofs 2.0.2+
+com.apple.driver.AppleUpstreamUserClient 2.7.5+
+com.apple.GeForce 5.4.8+
+com.apple.driver.AppleHDA 1.7.1a2+
+com.apple.DontSteal_Mac_OSX 6.0.3+
+com.apple.nvidia.nv40hal 5.4.8+
+com.apple.driver.AppleHDAController 1.7.1a2+
+com.apple.driver.AppleUSBDisplays 2.0.2+
+com.apple.iokit.IOFireWireIP 1.7.7+
+com.apple.driver.AudioIPCDriver 1.0.6+
+com.apple.driver.AppleMCEDriver 1.1.7+
+com.apple.driver.ACPISMCPlatformPlugin 3.4.0a17+
+com.apple.driver.AppleLPC 1.3.1+
+com.apple.driver.AppleUSBMergeNub 3.5.2+
+com.apple.iokit.SCSITaskUserClient 2.1.1+
+com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.1.1+
+com.apple.driver.XsanFilter 2.7.91+
+com.apple.iokit.IOATAPIProtocolTransport 1.5.3+
+com.apple.iokit.IOAHCIBlockStorage 1.2.2+
+com.apple.driver.AppleAHCIPort 1.7.0+
+com.apple.driver.AppleFWOHCI 3.9.7+
+com.apple.driver.AppleUSBHub 3.4.9+
+com.apple.driver.AppleIntelPIIXATA 2.0.1+
+com.apple.iokit.IOUSBUserClient 3.5.2+
+com.apple.driver.AppleIntel8254XEthernet 2.1.2b1+
+com.apple.driver.AppleUSBEHCI 3.4.6+
+com.apple.driver.AppleUSBUHCI 3.5.2+
+com.apple.driver.AppleEFINVRAM 1.2.0+
+com.apple.driver.AppleACPIButtons 1.2.5+
+com.apple.driver.AppleRTC 1.2.3+
+com.apple.driver.AppleHPET 1.4+
+com.apple.driver.AppleACPIPCI 1.2.5+
+com.apple.driver.AppleSMBIOS 1.4+
+com.apple.driver.AppleACPIEC 1.2.5+
+com.apple.driver.AppleAPIC 1.4+
+com.apple.security.seatbelt 107.12+
+com.apple.nke.applicationfirewall 1.6.77+
+com.apple.security.TMSafetyNet 3+
+com.apple.driver.AppleIntelCPUPowerManagement 76.2.0+
+com.apple.driver.DiskImages 199+
+com.apple.BootCache 30.4+
+com.apple.driver.DspFuncLib 1.7.1a2+
+com.apple.NVDAResman 5.4.8+
+com.apple.iokit.IONDRVSupport 1.7.3+
+com.apple.iokit.IOGraphicsFamily 1.7.3+
+com.apple.iokit.IOHDAFamily 1.7.1a2+
+com.apple.iokit.IOAudioFamily 1.6.9fc5+
+com.apple.kext.OSvKernDSPLib 1.1+
+com.apple.driver.IOPlatformPluginFamily 3.4.0a17+
+com.apple.driver.AppleSMC 2.3.1d1+
+com.apple.iokit.IOUSBHIDDriver 3.4.6+
+com.apple.driver.AppleUSBComposite 3.2.0+
+com.apple.iokit.IOSCSIBlockCommandsDevice 2.1.1+
+com.apple.iokit.IOBDStorageFamily 1.5+
+com.apple.iokit.IODVDStorageFamily 1.5+
+com.apple.iokit.IOCDStorageFamily 1.5+
+com.apple.iokit.IOSCSIArchitectureModelFamily 2.1.1+
+com.apple.iokit.IOAHCIFamily 1.5.0+
+com.apple.iokit.IOFireWireFamily 3.4.9+
+com.apple.iokit.IOATAFamily 2.0.1+
+com.apple.iokit.IONetworkingFamily 1.6.1+
+com.apple.iokit.IOUSBFamily 3.5.2+
+com.apple.driver.AppleEFIRuntime 1.2.0+
+com.apple.iokit.IOSMBusFamily 1.1+
+com.apple.iokit.IOStorageFamily 1.5.6+
+com.apple.iokit.IOHIDFamily 1.5.5+
+com.apple.driver.AppleACPIPlatform 1.2.5+
+com.apple.iokit.IOPCIFamily 2.6+
+com.apple.iokit.IOACPIFamily 1.2.0+
*PANIC 3 on 2 days*
+Interval Since Last Panic Report: 0 sec+
+Panics Since Last Report: 1+
+Anonymous UUID: 6579BADA-9095-43D0-9C12-6FD1DDF61BB2+
+Thu Jan 7 08:54:17 2010+
+panic(cpu 0 caller 0x00126F3E): "wait queue deadlock - wq=0x7e4cd5c, cpu=0\n"@/SourceCache/xnu/xnu-1228.15.4/osfmk/kern/wait_queue.h:169+
+Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)+
+0x5c773da8 : 0x12b4c6 (0x45f91c 0x5c773ddc 0x13355c 0x0)+
+0x5c773df8 : 0x126f3e (0x45f218 0x7e4cd5c 0x0 0x5c773ee4)+
+0x5c773f08 : 0x198fa3 (0x5c773f44 0x0 0x0 0x0)+
+0x5c773fc8 : 0x1a1cfa (0x7df0840 0x1 0x1a40b5 0x71dcf80)+
+No mapping exists for frame pointer+
+Backtrace terminated-invalid frame pointer 0xbfffdd98+
+BSD process name corresponding to current thread: WindowServer+
+Mac OS version:+
9L30
+Kernel version:+
+Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386+
+System model name: MacPro1,1 (Mac-F4208DC8)+
+System uptime in nanoseconds: 25041896209843+
+unloaded kexts:+
+com.apple.iokit.IOUSBMassStorageClass 2.0.8 - last unloaded 4566199057758+
+loaded kexts:+
+com.bresink.driver.BRESINKx86Monitoring 3.1+
+at.obdev.nke.LittleSnitch 2.2.05+
+com.apple.driver.iTunesPhoneDriver 1.0 - last loaded 4346904545580+
+com.apple.filesystems.msdosfs 1.5.5+
+com.apple.iokit.IOUSBMassStorageClass 2.0.8+
+com.apple.filesystems.afpfs 9.0.2+
+com.apple.nke.asp_tcp 4.7.1+
+com.apple.driver.AppleHWSensor 1.9d0+
+com.apple.filesystems.autofs 2.0.2+
+com.apple.driver.AppleUpstreamUserClient 2.7.5+
+com.apple.driver.AppleHDA 1.7.1a2+
+com.apple.GeForce 5.4.8+
+com.apple.DontSteal_Mac_OSX 6.0.3+
+com.apple.driver.AppleHDAController 1.7.1a2+
+com.apple.driver.AppleUSBDisplays 2.0.2+
+com.apple.iokit.IOFireWireIP 1.7.7+
+com.apple.driver.AudioIPCDriver 1.0.6+
+com.apple.driver.AppleMCEDriver 1.1.7+
+com.apple.driver.ACPISMCPlatformPlugin 3.4.0a17+
+com.apple.driver.AppleLPC 1.3.1+
+com.apple.nvidia.nv40hal 5.4.8+
+com.apple.driver.AppleUSBMergeNub 3.5.2+
+com.apple.iokit.SCSITaskUserClient 2.1.1+
+com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.1.1+
+com.apple.driver.XsanFilter 2.7.91+
+com.apple.iokit.IOATAPIProtocolTransport 1.5.3+
+com.apple.iokit.IOAHCIBlockStorage 1.2.2+
+com.apple.driver.AppleFWOHCI 3.9.7+
+com.apple.driver.AppleUSBHub 3.4.9+
+com.apple.driver.AppleAHCIPort 1.7.0+
+com.apple.driver.AppleIntelPIIXATA 2.0.1+
+com.apple.iokit.IOUSBUserClient 3.5.2+
+com.apple.driver.AppleIntel8254XEthernet 2.1.2b1+
+com.apple.driver.AppleUSBEHCI 3.4.6+
+com.apple.driver.AppleUSBUHCI 3.5.2+
+com.apple.driver.AppleEFINVRAM 1.2.0+
+com.apple.driver.AppleACPIButtons 1.2.5+
+com.apple.driver.AppleRTC 1.2.3+
+com.apple.driver.AppleHPET 1.4+
+com.apple.driver.AppleACPIPCI 1.2.5+
+com.apple.driver.AppleSMBIOS 1.4+
+com.apple.driver.AppleACPIEC 1.2.5+
+com.apple.driver.AppleAPIC 1.4+
+com.apple.security.seatbelt 107.12+
+com.apple.nke.applicationfirewall 1.6.77+
+com.apple.security.TMSafetyNet 3+
+com.apple.driver.AppleIntelCPUPowerManagement 76.2.0+
+com.apple.driver.DiskImages 199+
+com.apple.BootCache 30.4+
+com.apple.driver.DspFuncLib 1.7.1a2+
+com.apple.iokit.IOHDAFamily 1.7.1a2+
+com.apple.iokit.IOAudioFamily 1.6.9fc5+
+com.apple.kext.OSvKernDSPLib 1.1+
+com.apple.driver.IOPlatformPluginFamily 3.4.0a17+
+com.apple.driver.AppleSMC 2.3.1d1+
+com.apple.NVDAResman 5.4.8+
+com.apple.iokit.IONDRVSupport 1.7.3+
+com.apple.iokit.IOGraphicsFamily 1.7.3+
+com.apple.iokit.IOUSBHIDDriver 3.4.6+
+com.apple.driver.AppleUSBComposite 3.2.0+
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+com.apple.iokit.IOBDStorageFamily 1.5+
+com.apple.iokit.IODVDStorageFamily 1.5+
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+com.apple.iokit.IOFireWireFamily 3.4.9+
+com.apple.iokit.IOAHCIFamily 1.5.0+
+com.apple.iokit.IOATAFamily 2.0.1+
+com.apple.iokit.IONetworkingFamily 1.6.1+
+com.apple.iokit.IOUSBFamily 3.5.2+
+com.apple.driver.AppleEFIRuntime 1.2.0+
+com.apple.iokit.IOSMBusFamily 1.1+
+com.apple.iokit.IOStorageFamily 1.5.6+
+com.apple.iokit.IOHIDFamily 1.5.5+
+com.apple.driver.AppleACPIPlatform 1.2.5+
+com.apple.iokit.IOPCIFamily 2.6+
+com.apple.iokit.IOACPIFamily 1.2.0+

In case you need it......the usual offering.......
Bad or incompatible RAM is, more often then not, the cause of most Kernel Panics. It could also just need to be reset.
Here's the most used site for Resolving Kernel Panics. Please do all the steps in order, even if you don't think you need to do a certain step.
Here is a great MacFixIt article.
 Good Luck! DALE

Kernel 2.6.24 and UVesaFB

I have recently installed fbsplash from the AUR, and would like to use uvesafb, now included in the vanilla kernel. Now I am wondering why I can't get any higher than 640x480. When I try and put in a line with something else, it is just ignored. DonGiovanni has told me that it has been compiled in as a module and that it may be related to the problem. I don't want to compile my own kernel because it takes much too long. Anyone know how to fix this?

Hello, the problem for me is this: I have kernel26 (2.6.24.1-2) from Core (installed with pacman -S), and i have installed v86d from aur. So my framebuffer works only if i modprobe uvesafb manually after boot, in tty1, for example if i load it in gnome-terminal, it go in Segmentation Fault.
But the problem is that i would put uvesafb in the Initramfs, so i have changed few config's files.
This is my files config:
/lib/initcpio/hooks/uvesafb
run_hook ()
/sbin/modprobe uvesafb
/lib/initcpio/hooks/v86d
run_hook ()
/sbin/v86d
/lib/initcpio/install/v86d
install() {
MODULES=" $(checked_modules "video/uvesafb") "
SCRIPT="v86d"
MODULES=$(echo ${MODULES}) #trim whitespace
if [ -n "${MODULES}" ]; then
MODULES="${MODULES}"
fi
add_dir "/dev"
add_dir "/root"
add_dir "/sbin"
add_device "/dev/console" c 5 1
add_device "/dev/tty1" c 4 1
add_device "/dev/zero" c 1 5
add_device "/dev/mem" c 1 1
add_binary "/sbin/v86d" "/sbin/v86d"
help() {
echo "This hook sets up v86d, the userspace helper for uvesafb."
# vim: set ft=sh ts=4 sw=4 expandtab:
/lib/initcpio/install/uvesafb
# vim: set ft=sh:
install ()
MODULES="uvesafb"
SCRIPT="uvesafb"
help ()
cat<<HELPEOF
This hook loads uvesafb
HELPEOF
/etc/mkinitcpio.conf
# vim:set ft=sh
# MODULES
# The following modules are loaded before any boot hooks are
# run. Advanced users may wish to specify all system modules
# in this array. For instance:
# MODULES="piix ide_disk reiserfs"
MODULES="ata_generic ata_piix piix ide_disk ext3"
# BINARIES
# This setting includes, into the CPIO image, and additional
# binaries a given user may wish. This is run first, so may
# be used to override the actual binaries used in a given hook.
# (Existing files are NOT overwritten is already added)
# BINARIES are dependancy parsed, so you may safely ignore libraries
BINARIES="/sbin/modprobe /sbin/v86d"
# FILES
# This setting is similar to BINARIES above, however, files are added
# as-is and are not parsed in anyway. This is useful for config files.
# Some users may wish to include modprobe.conf for custom module options,
# like so:
# FILES="/etc/modprobe.conf"
FILES="/etc/modprobe.conf"
# HOOKS
# This is the most important setting in this file. The HOOKS control the
# modules and scripts added to the image, and what happens at boot time.
# Order is important, and it is recommended that you do not change the
# order in which HOOKS are added. Run 'mkinitcpio -H <hook name>' for
# help on a given hook.
# 'base' is _required_ unless you know precisely what you are doing.
# 'udev' is _required_ in order to automatically load modules
# 'modload' may be used in place of 'udev', but is not recommended
# 'filesystems' is _required_ unless you specify your fs modules in MODULES
# Examples:
# This setup specifies all modules in the MODULES setting above.
# No raid, lvm2, or encrypted root is needed.
# HOOKS="base"
# This setup will autodetect all modules for your system and should
# work as a sane default
# HOOKS="base udev autodetect ide scsi sata filesystems"
# This setup will generate a 'full' image which supports most systems.
# No autodetection is done.
# HOOKS="base udev ide scsi sata usb filesystems"
# This setup assembles an ide raid array with an encrypted root FS.
# Note: See 'mkinitcpio -H raid' for more information on raid devices.
# HOOKS="base udev ide raid encrypt filesystems"
# This setup loads an lvm2 volume group on a usb device.
# HOOKS="base udev usb lvm2 filesystems"
HOOKS="base udev autodetect v86d uvesafb dsdt ide pata scsi sata usbinput keymap filesystems"
I have already tried to put uvesafb in MODULES, but the result is the same.
/etc/modprobe.conf
options uvesafb mode=1024x768-32
BUT when i run kernel dmesg report me this error:
uvesafb: (C) 1988-2005, ATI Technologies Inc. M26-P01.00, M26-P01.00, 01.00, OEM: ATI ATOMBIOS(C) 1988-2005, ATI Technologies Inc. M26-P01.00, VBE v3.0
uvesafb: protected mode interface info at c000:af46
uvesafb: pmi: set display start = c00cafd4, set palette = c00cb014
uvesafb: VBIOS/hardware supports DDC2 transfers
uvesafb: monitor limits: vf = 60 Hz, hf = 49 kHz, clk = 68 MHz
BUG: unable to handle kernel NULL pointer dereference at virtual address 00000018
printing eip: c025ae53 *pde = 00000000
Oops: 0000 [#1] PREEMPT SMP
Modules linked in: uvesafb cn sr_mod cdrom sd_mod generic pata_acpi ehci_hcd uhci_hcd usbcore ext3 jbd mbcache ide_disk piix ide_core ata_piix ata_generic libata
Pid: 1178, comm: modprobe Not tainted (2.6.24-ARCH #1)
EIP: 0060:[<c025ae53>] EFLAGS: 00010246 CPU: 0
EIP is at fb_try_mode+0x3/0x90
EAX: f7f7f008 EBX: f7f7f008 ECX: 00000010 EDX: f7f7f000
ESI: 00000001 EDI: 00000000 EBP: 00000008 ESP: f744fbe0
DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process modprobe (pid: 1178, ti=f744e000 task=f7f9e000 task.ti=f744e000)
Stack: f7411285 c025b918 00000008 00000000 00200200 f7411285 f7f7f000 f7f7f008
00000001 00000001 00000000 00000400 00000300 00000020 000003e8 00000001
00000000 00000000 00000000 00000246 22222222 22222222 22222222 f7fa6a80
Call Trace:
[<c025b918>] fb_find_mode+0x578/0x650
[<f88708d0>] uvesafb_exec+0x130/0x260 [uvesafb]
[<c01808eb>] __kmalloc+0x2b/0x110
[<f88718d2>] uvesafb_probe+0x772/0x1010 [uvesafb]
[<c01252bb>] kunmap_atomic+0x8b/0xd0
[<c012526d>] kunmap_atomic+0x3d/0xd0
[<c0164d47>] get_page_from_freelist+0x297/0x460
[<c0240c0c>] idr_get_empty_slot+0xec/0x280
[<c0240e1b>] ida_get_new_above+0x7b/0x180
[<c01c70f0>] sysfs_ilookup_test+0x0/0x10
[<c01c7784>] sysfs_addrm_finish+0x14/0x1e0
[<c01c7494>] sysfs_add_one+0x44/0xe0
[<c01c756f>] sysfs_addrm_start+0x3f/0xb0
[<c01c82fd>] sysfs_create_link+0x8d/0x120
[<c02ab21c>] platform_drv_probe+0xc/0x10
[<c02a9cd8>] driver_probe_device+0x88/0x190
[<c036a6df>] klist_next+0x5f/0xc0
[<c02a8f84>] bus_for_each_drv+0x44/0x70
[<c02a9e9d>] device_attach+0x7d/0x90
[<c02a9de0>] __device_attach+0x0/0x10
[<c02a8ef5>] bus_attach_device+0x45/0x90
[<c02a7fb8>] device_add+0x428/0x510
[<c02ab5b9>] platform_device_add+0xf9/0x150
[<f887242f>] uvesafb_init+0x5f/0xb0 [uvesafb]
[<c0152236>] sys_init_module+0x126/0x19d0
[<c024294f>] prio_tree_insert+0x1f/0x240
[<c01054e2>] sysenter_past_esp+0x6b/0xa1
[<c0360000>] rpc_pipe_release+0x110/0x140
=======================
Code: 8d 42 d0 3c 09 76 04 89 d8 5b c3 0f be d2 83 c1 01 8d 04 9b 8d 5c 42 d0 eb e3 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 53 89 c3 <8b> 41 08 89 03 8b 41 0c 89 43 04 8b 41 08 89 43 08 8b 41 0c 83
EIP: [<c025ae53>] fb_try_mode+0x3/0x90 SS:ESP 0068:f744fbe0
---[ end trace f8ce83033d91e116 ]---
So i have tried to recompile klibc, i take it from ABS, modify the PKGBUILD and i have makepkg it, and install it, recompiled the mkinitcpio -p kernel26, But when i restart the kernel, the kernel go in panic with this error:
::Loading Initramfs
-/init: 44: replace: not found
-/init: 44: replace: not found
export: 44: bad variable name
....kernel panic!
the PKGBUILD of klibc is this
# $Id: PKGBUILD,v 1.12 2007/10/31 08:25:30 thomas Exp $
# Maintainer: Aaron Griffin <[email protected]>
# Maintainer: Thomas Baechler <[email protected]>
### NOTE: Do not build this package with anything except gcc - using ccache
### forces others to use it as well as it becomes hardcoded in the klibc
### script.
pkgname=klibc
pkgver=1.5
_klibcbranch=Stable #Stable/Testing
_kver=2.6.24
pkgrel=3
pkgdesc="a minimal libc made for early-userspace"
arch=(i686 x86_64)
url="http://www.kernel.org/pub/linux/libs/klibc/"
license=('BSD')
groups=('base')
options=(!ccache)
source=(http://www.kernel.org/pub/linux/libs/klibc/$_klibcbranch/$pkgname-$pkgver.tar.gz
multiple_raid_assembly_fix.patch
klibc-compile-shared-by-default.patch
klibc-module-init-tools.patch)
md5sums=('d55ce89c0656a7d6896ec0b2af07b5dc'
'8d257d50a4554d57b8f461c6a87a2877'
'c263a7c3fd290fcc84a4e230d456d022'
'4d78311ebce63f2fbb711f8518e71839')
build()
cd $startdir/src/$pkgname-$pkgver
#INI_DEBUG causes ipconfig to fail within kinit
sed -i "/#define INI_DEBUG/d" usr/kinit/kinit.h
ln -sf /usr/src/linux-${_kver} linux
# $Id: PKGBUILD,v 1.12 2007/10/31 08:25:30 thomas Exp $
# Maintainer: Aaron Griffin <[email protected]>
# Maintainer: Thomas Baechler <[email protected]>
### NOTE: Do not build this package with anything except gcc - using ccache
### forces others to use it as well as it becomes hardcoded in the klibc
### script.
pkgname=klibc
pkgver=1.5
_klibcbranch=Stable #Stable/Testing
_kver=2.6.24
pkgrel=3
pkgdesc="a minimal libc made for early-userspace"
arch=(i686 x86_64)
url="http://www.kernel.org/pub/linux/libs/klibc/"
license=('BSD')
groups=('base')
options=(!ccache)
source=(http://www.kernel.org/pub/linux/libs/klibc/$_klibcbranch/$pkgname-$pkgver.tar.gz
multiple_raid_assembly_fix.patch
klibc-compile-shared-by-default.patch
klibc-module-init-tools.patch)
md5sums=('d55ce89c0656a7d6896ec0b2af07b5dc'
'8d257d50a4554d57b8f461c6a87a2877'
'c263a7c3fd290fcc84a4e230d456d022'
'4d78311ebce63f2fbb711f8518e71839')
build()
cd $startdir/src/$pkgname-$pkgver
#INI_DEBUG causes ipconfig to fail within kinit
sed -i "/#define INI_DEBUG/d" usr/kinit/kinit.h
ln -sf /usr/src/linux-${_kver} linux
patch -p1 -i ../multiple_raid_assembly_fix.patch || return 1
# make klibc-module-init-tools compile
# don't build insmod
patch -p1 -i ../klibc-module-init-tools.patch || return 1
# compile binaries shared by default
patch -p1 -i ../klibc-compile-shared-by-default.patch
make EXTRA_KLIBCFLAGS='' || return 1
make INSTALLROOT=$startdir/pkg install
#simplify
mv $startdir/pkg/usr/lib/klibc/bin/sh.shared $startdir/pkg/usr/lib/klibc/bin/sh
rm $startdir/pkg/usr/lib/klibc/bin/mknod
rm $startdir/pkg/usr/lib/klibc/bin/kill
patch -p1 -i ../multiple_raid_assembly_fix.patch || return 1
# make klibc-module-init-tools compile
# don't build insmod
patch -p1 -i ../klibc-module-init-tools.patch || return 1
# compile binaries shared by default
patch -p1 -i ../klibc-compile-shared-by-default.patch
make EXTRA_KLIBCFLAGS='' || return 1
make INSTALLROOT=$startdir/pkg install
#simplify
mv $startdir/pkg/usr/lib/klibc/bin/sh.shared $startdir/pkg/usr/lib/klibc/bin/sh
rm $startdir/pkg/usr/lib/klibc/bin/mknod
rm $startdir/pkg/usr/lib/klibc/bin/kill
Thanks you for any your replay!!

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