Alsa problem: PCM channel cannot be muted
I have a strange problem. I decided to reinstall archlinux and notice that i can't mute PCM channel. In my previous installation i had that option.
snd_hda_intel 357048 4
snd_seq_oss 31872 0
snd_seq_midi_event 8192 1 snd_seq_oss
snd_seq 49968 4 snd_seq_oss,snd_seq_midi_event
snd_seq_device 8332 2 snd_seq_oss,snd_seq
snd_hwdep 8964 1 snd_hda_intel
snd_pcm_oss 40192 0
snd_pcm 69636 3 snd_hda_intel,snd_pcm_oss
snd_timer 21384 3 snd_seq,snd_pcm
snd_page_alloc 9608 2 snd_hda_intel,snd_pcm
snd_mixer_oss 16512 1 snd_pcm_oss
snd 50724 15 snd_hda_intel,snd_seq_oss,snd_seq,snd_seq_device,snd_hwdep,snd_pcm_oss,snd_pcm,snd_timer,snd_mixer_oss
soundcore 8032 1 snd
$ amixer
Simple mixer control 'Master',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined
Playback channels: Mono
Limits: Playback 0 - 127
Mono: Playback 118 [93%] [-6.75dB] [on]
Simple mixer control 'PCM',0
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 255
Mono:
Front Left: Playback 240 [94%] [-3.00dB]
Front Right: Playback 240 [94%] [-3.00dB]
Simple mixer control 'Front',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 127
Mono:
Front Left: Playback 115 [91%] [-9.00dB] [on]
Front Right: Playback 115 [91%] [-9.00dB] [on]
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'IEC958 Default PCM',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'Capture',0
Capabilities: cvolume cswitch
Capture channels: Front Left - Front Right
Limits: Capture 0 - 15
Front Left: Capture 0 [0%] [0.00dB] [off]
Front Right: Capture 0 [0%] [0.00dB] [off]
Simple mixer control 'Capture',1
Capabilities: cvolume cswitch
Capture channels: Front Left - Front Right
Limits: Capture 0 - 15
Front Left: Capture 0 [0%] [0.00dB] [off]
Front Right: Capture 0 [0%] [0.00dB] [off]
Simple mixer control 'Analog Loopback',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Digital',0
Capabilities: cvolume
Capture channels: Front Left - Front Right
Limits: Capture 0 - 120
Front Left: Capture 60 [50%] [0.00dB]
Front Right: Capture 60 [50%] [0.00dB]
Simple mixer control 'Digital Input Source',0
Capabilities: enum
Items: 'Analog Inputs' 'Digital Mic 1'
Item0: 'Analog Inputs'
Simple mixer control 'Input Source',0
Capabilities: cenum
Items: 'Mic'
Item0: 'Mic'
Simple mixer control 'Input Source',1
Capabilities: cenum
Items: 'Mic'
Item0: 'Mic'
Simple mixer control 'Mux',0
Capabilities: cvolume
Capture channels: Front Left - Front Right
Limits: Capture 0 - 4
Front Left: Capture 0 [0%] [0.00dB]
Front Right: Capture 0 [0%] [0.00dB]
Simple mixer control 'Mux',1
Capabilities: cvolume
Capture channels: Front Left - Front Right
Limits: Capture 0 - 4
Front Left: Capture 0 [0%] [0.00dB]
Front Right: Capture 0 [0%] [0.00dB]
$ pacman -Q | grep alsa
alsa-lib 1.0.17a-1
alsa-oss 1.0.15-1
alsa-utils 1.0.17-1
Anyone had that strage problem?
I found out a way of adding a mute switch to controls.
pcm.Audigy {
type hw
card 0
pcm.!default {
type softvol
slave.pcm "Audigy"
control {
name "PCM"
card 0
resolution 2
I don't know if this is "correct," but I could add the capability for both my Master and PCM channels (not at the same time though).
Similar Messages
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After a reinstall I'm missing the PCM channel in alsamixer. Is this new behavior or can I add a virtual PCM with asoundrc? My card is a hda intel type idt 92HD87B2/4
Example screenshot: https://s1.file1.info/7DwRSzBh
Last edited by Wilco (2012-08-20 14:45:50)Thanks for looking into this. Aplay does not report antyhing strange as a far as I can tell.
aplay --list-devices
**** List of PLAYBACK Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: HDMI [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
aplay --list-pcms
null
Discard all samples (playback) or generate zero samples (capture)
default:CARD=SB
HDA ATI SB, STAC92xx Analog
Default Audio Device
sysdefault:CARD=SB
HDA ATI SB, STAC92xx Analog
Default Audio Device
front:CARD=SB,DEV=0
HDA ATI SB, STAC92xx Analog
Front speakers
surround40:CARD=SB,DEV=0
HDA ATI SB, STAC92xx Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=SB,DEV=0
HDA ATI SB, STAC92xx Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SB,DEV=0
HDA ATI SB, STAC92xx Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SB,DEV=0
HDA ATI SB, STAC92xx Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=SB,DEV=0
HDA ATI SB, STAC92xx Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=HDMI,DEV=0
HD-Audio Generic, HDMI 0
HDMI Audio Output
I created /etc/modprobe.d/alsa.conf because the default card is the HDMI output and I need SB as the first card.
options snd-hda-intel id=HDMI,SB index=1,0 model=auto
Removing this alsa.conf does not help however.
There is no pulsaudio (edit: libpulse is installed but not pulseaudio), no /etc/asound.conf and no ~/.asoundrc
I think the audio driver is bugged because about every 15 minutes the audio stops playing. Whether it's mplayer, xmms or youtube, after a while they stop and I have to restart the browser, xmms or mplayer. Mplayer gives this warning when the audio is stuck: audio device got stuck
Last edited by Wilco (2012-07-18 06:36:04) -
The "alsa audio output error: cannot write: Broken pipe" problem
[Solved]
(No place for this word in the Subject field, so I put it here.)
Hi Arch community!
I noticed I have this problem and not sure when in started. Several months ago I bought and installed new videocard "GeForce GT 630". Right after installation I lost sound in the system. Having internal sound card (in mainboard) and SB Audigy2 (PCI), I searched for solution and found I had to disable "snd_hda_intel" module to restore sound to work through PCI sound card. Did it.
echo "blacklist snd_hda_intel" >> /etc/modprobe.d/no-nvidia-sound.conf
After that sound was working as it should. And I noticed recently that during playing of any sound file the sound interrupts. If run VLC from CLI I get "alsa audio output error: cannot write: Broken pipe" message. And my system hasn't been upgraded since I don't know when. I still ran Firefox 26. So googled again and found it's a bug in a kernel or somewhere else.
==========================================
https://bugs.freedesktop.org/show_bug.cgi?id=69942 :
2013-10-01 01:39:40 UTC
I ran a system update last night, and this issue appears to have been corrected.
==========================================
And so I thought upgrade would fix my problem since mainstream bug is fixed. After upgrade sound interrupts again, maybe even more often.
Do you guys have this issue and does anyone have a solution?
Last edited by Mr. Alex (2014-06-26 18:55:59)Not particularly wise to blacklist the module, since it probably is also used by the integrated sound card. With vid and pid you could just disable the nvidia card alone using parameter enable=0. Unless you do not mind having both disabled.
Where do I need to input "enable=0"? When I was searching for solution to make my Creative card work with new nVidia card I installed, the only way I found was blacklisting the module.
dmesg says:
[ 20.448086] nvidia 0000:02:00.0: irq 42 for MSI/MSI-X
[ 21.112331] NVRM: Your system is not currently configured to drive a VGA console
[ 21.112340] NVRM: on the primary VGA device. The NVIDIA Linux graphics driver
[ 21.112345] NVRM: requires the use of a text-mode VGA console. Use of other console
[ 21.112349] NVRM: drivers including, but not limited to, vesafb, may result in
[ 21.112352] NVRM: corruption and stability problems, and is not supported.
Then:
lsmod | grep 'snd'
snd_ca0106 36242 0
snd_ac97_codec 114896 1 snd_ca0106
ac97_bus 1270 1 snd_ac97_codec
snd_rawmidi 20278 1 snd_ca0106
snd_seq_device 5244 1 snd_rawmidi
snd_pcm 83207 2 snd_ac97_codec,snd_ca0106
snd_timer 19294 1 snd_pcm
snd 60780 6 snd_ac97_codec,snd_timer,snd_pcm,snd_rawmidi,snd_seq_device,snd_ca0106
soundcore 5551 1 snd
I guess my card is "snd_ca0106". If yes,
# systool -v -m snd_ca0106
Module = "snd_ca0106"
Attributes:
coresize = "36242"
initsize = "0"
initstate = "live"
refcnt = "0"
taint = ""
uevent = <store method only>
Parameters:
enable = "Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y"
id = "(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)"
index = "-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1"
subsystem = "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0"
Sections:
.bss = "0xffffffffa0814780"
.data = "0xffffffffa0813300"
.exit.text = "0xffffffffa0811a1e"
.gnu.linkonce.this_module= "0xffffffffa0814500"
.init.text = "0xffffffffa0817000"
.note.gnu.build-id = "0xffffffffa0811a30"
.rodata = "0xffffffffa0811a80"
.rodata.str1.1 = "0xffffffffa08123dc"
.rodata.str1.8 = "0xffffffffa0812130"
.strtab = "0xffffffffa0818c10"
.symtab = "0xffffffffa0817020"
.text = "0xffffffffa080d000"
__mcount_loc = "0xffffffffa0812f98"
__param = "0xffffffffa0812f18"
__verbose = "0xffffffffa0814460"
Where would I look for "max_buffer_size" parameter? -
ALSA problem: "Unknown PCM eq"
When attempting to play a sound:
aplay /usr/share/sounds/alsa/Front_Center.wav
I get:
ALSA lib pcm.c:2202:(snd_pcm_open_noupdate) Unknown PCM eq
aplay: main:590: audio open error: No such file or directory
As far as I know, all modules have been properly loaded, and all devices are in place. Does anybody know what's going on, and how I can fix it? I'd like my sound back! This has only happened recently, since a reboot; before which I could play sounds quite happily.
Any advice would be most welcome!
Thanks,
-A.After a reboot funnily enough it worked. I can't remember having installed something special...
-
I've recently installed Arch and it appears that I don't have a PCM channel in alsamixer. I recall that I had ALSA issues the last time I used Arch (although I do not recall having this specific problem), and my Debian install on the same computer has a PCM channel, so it's definitely not a hardware-only issue. Alsamixer lists both Nvidia and Intel HDA under the device menu. The Intel device seems to be the right card, as it has all the usual options (besides PCM).
The solution found on the wiki does not work:
https://wiki.archlinux.org/index.php/Al … CM_Channel
My asoundrc is as follows:
pcm.!default {
type hw
card 1
ctl.!default {
type hw
card 1
I cannot find many resources on this problem, so I'm not sure what other information I need to supply. Please notify me if further information is required, and I'll do my best to obtain it.Can't help you with your problem, all I can do is to chime in to say I'm in the same boat. I've also tried 'arecorder' to see if I can grab the ALSA output, all to no avail. I have an ALC888 chip. I'm running openbox with ALSA, trying to capture the analog output. Any ideas out there?
-
TF2 crashes 1-10 minutes into game - maybe ALSA problem?
For past 3 months TF2 crashes repeatedly. This can happen almost immediately or after 10 minutes of play. This seems to have started after I messed around with ALSA so this is why I suspect it. Also always the error report contains:
"ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred" for which I cannot find any solution on the web, despite a few reported problems. I tried resetting ALSA, deleated .asoundrc and in /etc but this has not helped. The rest of the error is below:
Installing breakpad exception handler for appid(gameoverlayui)/version(1.0_client)
ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred
/home/mike/.local/share/Steam/SteamApps/common/Team Fortress 2/hl2.sh: line 67: 7649 Segmentation fault (core dumped) ${GAME_DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "$@"
Game removed: AppID 440 "Team Fortress 2", ProcID 7649
I do not have pulseaudio installed.
System: Intel i5, HD4000
Any advice appreciated.Use code tags. Increase the period/buffer size (for example period_size 1024; buffer_size 4096; if it does not work double it). To get buffer and period sizes run speaker-test.
Last edited by emeres (2014-05-06 20:10:39) -
ALSA lib pcm.c - mute aplicactions after few underruns.
well, it's my first post here. i hope you can help me with this.
i installed archlinux 2009.08 iso.
after install a wm (jwm), alsa-lib, alsa-utils, slim and X+hal i started to install my programs for listen mp3, office, etc.
i installed alsaplayer and the lib to play mp3. alsaplayer get muted after few seconds or minutes.
when i installed zsnes, the console output surprises me:
ALSA lib pcm.c:7236:(snd_pcm_recover) underrun occured
zsnes get muted too after few seconds or minutes (randomly). while zsnes were sound, they were intermittent glitches in audio.
i thought that the zsnes error were relationed with the alsaplayer error, but when i launched alsaplayer from xterm, no output was generated.
but when i start mp3blaster, the outputs is the same that zsnes output and the unusual behavior is the same that alsaplayer has:
i had tried different things to fix it:
in slitaz2.0 STABLE i didn't have this problem, so, i search which are the version of alsa lib and utils that version 2.0 uses. they were alsa-lib-1.0.20 and alsa-utils-1.0.20.
so, i did a donwgrade to these version, but the same thing happened awaing, except by one detail:
ALSA lib pcm.c:7234:(snd_pcm_recover) underrun occured
like the guy of this post (i never tried if the ethernet conection can do this).
i tried to run mi own version of zsnes (compiled in slitaz2), and the same thing happened again.
google don't know about this problem out of blending (this problem ocurre freccuently in blender), so i don't know wath to do. really, thanks for read, and excuse by english level, if something can't be understud.
PD: important commands:
$lsmod | grep ^snd
snd_seq_dummy 1099 0
snd_seq_oss 25304 0
snd_seq_midi_event 4452 1 snd_seq_oss
snd_seq 42628 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_pcm_oss 33693 0
snd_cmipci 25516 0
snd_mixer_oss 14810 1 snd_pcm_oss
snd_pcm 57479 2 snd_pcm_oss,snd_cmipci
snd_page_alloc 5809 1 snd_pcm
snd_opl3_lib 7318 1 snd_cmipci
snd_timer 16117 3 snd_seq,snd_pcm,snd_opl3_lib
snd_hwdep 5102 1 snd_opl3_lib
snd_mpu401_uart 4947 1 snd_cmipci
snd_rawmidi 15592 1 snd_mpu401_uart
snd_seq_device 4313 5 snd_seq_dummy,snd_seq_oss,snd_seq,snd_opl3_lib,snd_rawmidi
snd 43847 12 snd_seq_oss,snd_seq,snd_pcm_oss,snd_cmipci,snd_mixer_oss,snd_pcm,snd_opl3_lib,snd_timer,snd_hwdep,snd_mpu401_uart,snd_rawmidi,snd_seq_device
$lspci | grep "audio"
00:0a.0 Multimedia audio controller: C-Media Electronics Inc CM8738 (rev 10)
i'm with the lastest alsa now. thanks for read.Uhm, i got a similar / the same bug I think, but I don't even understand a percent of the whole sound system in linux :S
Here are my logs, the program I wanted to start is Frets on Fire Alarian Mod (it starts without sound; while in most other games the sound works perfectly):
[17:08:54] il@omg42:~>FoFiX
ALSA lib pcm.c:7236:(snd_pcm_recover) underrun occured
ALSA lib pcm.c:7236:(snd_pcm_recover) underrun occured
ALSA lib pcm.c:7236:(snd_pcm_recover) underrun occured
ALSA lib pcm.c:7236:(snd_pcm_recover) underrun occured
ALSA lib pcm.c:7236:(snd_pcm_recover) underrun occured
ALSA lib pcm.c:7236:(snd_pcm_recover) underrun occured
ALSA lib pcm.c:7236:(snd_pcm_recover) underrun occured
ALSA lib pcm.c:7236:(snd_pcm_recover) underrun occured
ALSA lib pcm.c:7236:(snd_pcm_recover) underrun occured
(repeating infinitely every ~200ms until I exit the program)
lsmod | grep ^snd:
snd_hda_codec_nvhdmi 3351 1
snd_seq_dummy 1099 0
snd_seq_oss 25304 0
snd_seq_midi_event 4452 1 snd_seq_oss
snd_seq 42628 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_pcm_oss 33693 0
snd_hda_codec_realtek 179176 1
snd_mixer_oss 14810 1 snd_pcm_oss
snd_hda_intel 18793 0
snd_usb_audio 60238 5
snd_hda_codec 56728 3 snd_hda_codec_nvhdmi,snd_hda_codec_realtek,snd_hda_intel
snd_usb_lib 13455 1 snd_usb_audio
snd_pcm 57479 7 snd_pcm_oss,snd_hda_intel,snd_usb_audio,snd_hda_codec
snd_timer 16117 4 snd_seq,snd_pcm
snd_rawmidi 15592 1 snd_usb_lib
snd_seq_device 4313 4 snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi
snd_hwdep 5102 2 snd_usb_audio,snd_hda_codec
snd 43847 18 snd_seq_oss,snd_seq,snd_pcm_oss,snd_hda_codec_realtek,snd_mixer_oss,snd_hda_intel,snd_usb_audio,snd_hda_codec,snd_pcm,snd_timer,snd_rawmidi,snd_seq_device,snd_hwdep
snd_page_alloc 5809 2 snd_hda_intel,snd_pcm
i hope (but don't think) this helps -
I noticed that flash suddenly stopped working in Firefox, and then ended up tracking down the reason to ALSA, but I'm not really sure why it's not functioning properly. Here's what I'm getting:
Output of 'ls -l /dev/snd':
crw-rw---- 1 root audio 116, 0 2007-01-31 17:09 controlC0
crw-rw---- 1 root audio 116, 32 2007-01-31 17:08 controlC1
crw-rw---- 1 root audio 116, 24 2007-01-31 17:09 pcmC0D0c
crw-rw---- 1 root audio 116, 16 2007-01-31 17:09 pcmC0D0p
crw-rw---- 1 root audio 116, 25 2007-01-31 17:08 pcmC0D1c
crw-rw---- 1 root audio 116, 26 2007-01-31 17:08 pcmC0D2c
crw-rw---- 1 root audio 116, 27 2007-01-31 17:08 pcmC0D3c
crw-rw---- 1 root audio 116, 20 2007-01-31 17:08 pcmC0D4p
crw-rw---- 1 root audio 116, 56 2007-01-31 17:08 pcmC1D0c
crw-rw---- 1 root audio 116, 48 2007-01-31 17:08 pcmC1D0p
crw-rw---- 1 root audio 116, 1 2007-01-31 17:09 seq
crw-rw---- 1 root audio 116, 33 2007-01-31 17:08 timer
and "lsmod|grep '^snd'":
snd_seq_oss 29440 0
snd_seq_midi_event 6528 1 snd_seq_oss
snd_seq 47056 4 snd_seq_oss,snd_seq_midi_event
snd_seq_device 6796 2 snd_seq_oss,snd_seq
snd_pcm_oss 38944 0
snd_mixer_oss 14464 2 snd_pcm_oss
snd_intel8x0 28828 1
snd_intel8x0m 14476 0
snd_ac97_codec 91940 2 snd_intel8x0,snd_intel8x0m
snd_ac97_bus 2432 1 snd_ac97_codec
snd_pcm 68612 4 snd_pcm_oss,snd_intel8x0,snd_intel8x0m,snd_ac97_codec
snd_timer 18948 2 snd_seq,snd_pcm
snd 44004 10 snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_intel8x0,snd_intel8x0m,snd_ac97_codec,snd_pcm,snd_timer
snd_page_alloc 7816 3 snd_intel8x0,snd_intel8x0m,snd_pcm
So everything looks good there as far as I can tell, but here's the output I get from the terminal when Firefox is running:
ALSA lib conf.c:3500:(_snd_config_evaluate) function
snd_func_card_driver returned error: No such device
ALSA lib confmisc.c:391:(snd_func_concat) error evaluating strings
ALSA lib conf.c:3500:(_snd_config_evaluate) function snd_func_concat
returned error: No such device
ALSA lib confmisc.c:1070:(snd_func_refer) error evaluating name
ALSA lib conf.c:3500:(_snd_config_evaluate) function snd_func_refer
returned error: No such device
ALSA lib conf.c:3968:(snd_config_expand) Evaluate error: No such device
ALSA lib pcm.c:2143:(snd_pcm_open_noupdate) Unknown PCM default
Also, when I shut down X I'm getting something similar:
waiting for X server to shut down ALSA lib confmisc.c:670:(snd_func_card_driver$
ALSA lib conf.c:3500:(_snd_config_evaluate) function snd_func_card_driver retur$
ALSA lib confmisc.c:391:(snd_func_concat) error evaluating strings
ALSA lib conf.c:3500:(_snd_config_evaluate) function snd_func_concat returned e$
ALSA lib confmisc.c:1070:(snd_func_refer) error evaluating name
ALSA lib conf.c:3500:(_snd_config_evaluate) function snd_func_refer returned er$
ALSA lib conf.c:3968:(snd_config_expand) Evaluate error: No such device
ALSA lib pcm.c:2143:(snd_pcm_open_noupdate) Unknown PCM default
Any ideas? I should also qualify this with the statement that mpd is still playing music just fine, and I'm just not getting anything from web browsers. Everything HAD worked for a few months now up until today though. Thanks for any help.Bump. I have the same issue... works as root but not as normal user.
Any ideas?
edit!
Nevermind, it worked. The wiki page meant I had to log out of X for changes to take effect, I just created a new xterm session.
In any case, this helped me figure out I'm not crazy, for anyone else who is having problems with sanity and alsa:
2121 [0] ~ $ strace -eopen alsamixer
open("/etc/ld.so.cache", O_RDONLY) = 3
open("/lib/libncurses.so.5", O_RDONLY) = 3
open("/usr/lib/libasound.so.2", O_RDONLY) = 3
open("/lib/libm.so.6", O_RDONLY) = 3
open("/lib/libdl.so.2", O_RDONLY) = 3
open("/lib/libpthread.so.0", O_RDONLY) = 3
open("/lib/libc.so.6", O_RDONLY) = 3
open("/usr/share/alsa/alsa.conf", O_RDONLY) = 3
open("/dev/snd/controlC0", O_RDONLY) = -1 EACCES (Permission denied)
open("/dev/aloadC0", O_RDONLY) = -1 ENOENT (No such file or directory)
alsamixer: function snd_ctl_open failed for default: No such device
Process 20831 detached
2122 [0] ~ $ ll /dev/snd/
total 0
crw-rw---- 1 root audio 116, 0 Feb 26 13:03 controlC0
crw-rw---- 1 root audio 116, 24 Feb 26 13:03 pcmC0D0c
crw-rw---- 1 root audio 116, 16 Feb 26 13:03 pcmC0D0p
crw-rw---- 1 root audio 116, 25 Feb 26 13:03 pcmC0D1c
crw-rw---- 1 root audio 116, 1 Feb 26 13:03 seq
crw-rw---- 1 root audio 116, 33 Feb 26 13:03 timer
2123 [0] ~ $ grep audio /etc/group
audio::92:<my user>
So I knew I should be permissioned, after that. Flipped to VT, hit cmus, and bam! it worked
/print
Last edited by print (2007-02-27 06:30:00) -
Hi, I have the problem which iTunes cannot detect my iPhone 4s. I tried the steps you have provided in your troubleshooting, but it won't work for me because the Apple Mobile Devilce is perfectly installed on my windows. However, the driver "Microsoft teredo Tunneling adapter" has a yellow exclamation mark, which i believe means it's not installed correctly or something is wrong with it. This driver is under the Network Adapters (Please see picture below).
This is what happens when I connect my iPhone 4s to my laptop (Windows 7 Starter 32-bit)
1. The phone charges it's battery
2. I can open it in My Computer and import/export media files.
In iTunes
3. It start to sync until step 3 then stops.
4. The iPhone option with an arrow appears beside the iTunes Store, but when the arrow is clicked it disappears.
I hope you can provide me a solution for this problem.
Thanks,
RalphHi ralphagir,
Welcome to the Apple Support Communities!
For your iTunes issue with it not recognizing your iPhone, I would go ahead and suggest deleting iTunes and all of its components from your Windows computer and installing fresh.
Removing and reinstalling iTunes and other software components for Windows Vista, Windows 7, or Windows 8
http://support.apple.com/kb/HT1923
Remove iTunes and related components from the Control Panel
Use the Control Panel to uninstall iTunes and related software components in the following order and then restart your computer:
iTunes
Apple Software Update
Apple Mobile Device Support
Bonjour
Apple Application Support (iTunes 9 or later)
Important: Uninstalling these components in a different order, or only uninstalling some of these components may have unintended affects.
As far as the arrow button that you click and the iPhone disappears, it sounds like you may be clicking on the eject button. Please take a look at the following article for information on the eject button in iTunes.
Safely disconnect iPod
http://support.apple.com/kb/HT1853
Have a great day,
Joe -
I had this imac 27" two years back(leopard 10.5.8) and no problem was encountered so far! (thanks 4that),i always made an update as far to snow leopard 10.6.8. Unfortunately when i did some application /downloading,the system was off and when i turn it On the logo of an apple only came.So what i did is to start all over again,now i am two years old back with Leo-10.5.8,My problem is i cannot install my snow leopard,it reads that i have to clean tha disc which i did and thru utility disc.Any help please and i really appreciate to every1 helping me to solve the problem.I will keep in touch.
Many thanks! - AngelBTW,I purchased the SL by retail and originally installed for the first time in my IMAC 27" ,unfortunately during the upgrading of the system,suddenly it was totally gray.then off as it killed my imac.i switch it On but only the apple logo came and waiting for so long.I tried to start from the very beginning,installed the DVD installation that was originally came from imac..it works and i have now the latest version of Leopard 10.5.6...then .8 thru updates. My problem is i cannot re-install my SNOW LEOPARD that i purchased from retail store..proceeded to install in my imac but everytime it ends with 'FAILED-pls clean the disc" i did the cleaning but still the same,:installed failed!-The installer could not copy the necessary support file",i tried booting from the disc holding C down but no luck at all. Anybody can help me please. Many thanks ..
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Can anyone help us please?
I cannot switch my IPAD on and it will not power up - i had this problem before and cannot remember how we fixed it?Press and hold both the home button and lock button until the apple logo shows up.
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I install windows 8 in my macbook pro, the problem is it cannot detect wifi connection and bluetooth
I install windows 8 in my macbook pro, the problem is it cannot detect wifi connection and bluetooth, because when i click the wireless in settings there are no choices... but when i use the mac os, everything is fine, the wifi, the bluetooth everything is functional, can you help me fix this problem? help will be much appreaciated.. thanks
How did you install Windows? Did you use Bootcamp Assistant or did you use a virtual machine like Parallels, Fusion, or VirtualBox.
If you used Bootcamp Assistant, did you download and install the Windows Support software (drivers) in accordance with the Bootcamp instructions? -
Problems witch channels to the FICON SAN switches
We have some problems witch channels to the FICON SAN switches: channel 56 on Mainframe1 to switch 5B5 (FDBELF5C1_VSAN500_DISK) and channel 28 (on Mainframe1) to switch 5B7 (FDBELF5C1_VSAN510_TAPE). Forr Mainframe2 the channels are 35 to 5B5 and 37 to 5B7.
Hereby an example for switch 5B5 and channels 56 (BAD) and 43 (GOOD):
---> command: D M=DEV(5B5)
IEE174I 10.21.40 DISPLAY M 494
DEVICE 05B5 STATUS=ONLINE
CHP 56 43
ENTRY LINK ADDRESS 6543 655B
DEST LINK ADDRESS 75FE 75FE
PATH ONLINE
N YCHP PHYSICALLY ONLINE Y Y
PATH OPERATIONAL Y Y
MANAGED N N
CU NUMBER 05B5 05B5
MAXIMUM MANAGED CHPID(S) ALLOWED: 0
DESTINATION CU LOGICAL ADDRESS = 00
SCP CU ND = 0MDS9K.513.CSC.1F.00059B7ACEC4.00E0
SCP TOKEN NED = 0MDS9K.513.CSC.1F.00059B7ACEC4.0000
SCP DEVICE NED = 0MDS9K.513.CSC.1F.00059B7ACEC4.0000
When one tries to put the path online then the following error messages are seen:
---> command: VARY PATH(5B5,56),ONLINE
IEE386I PATH(05B5,56) NOT BROUGHT ONLINE
IEE763I NAME= IOSCCMSG CODE= 0000000800000032
IOS291I CONFIGURATION DATA COULD NOT BE READ ON PATH(05B5,56) RC=32
DEVICE SUPPORT CODE DETECTED INCORRECT CDR DATA
IEE763I NAME= IECVIOPM CODE= 0000000400000000
IOS554I CONFIGURATION DATA PROCESSING FAILED
IEE764I END OF IEE386I RELATED MESSAGES µ
We don't think that the problem is port related but switch related!
For the moment problems are present on only one of our 4 mainframe SAN directors. Firmware level of the directors was changed 3 weeks ago to NX-OS 4.2(7b).Problem solved after IODF weekend.
Channels were toggled.
Rgds,
Ivy -
I have a BTHub4 - My iMac, iPhone, and children's iPads all connect to the internet no problem. I cannot get my 2 MacBook Pros or my partners MacBook Air to connect. Have tried diagnostics - says to change DNS but it is correct. I have re-set both router and all laptops - no joy. They can all see the network but cannot connect.
This is extraordinary. I have moved the router and also tried resetting it to its factory strings. We have had this router for over a year and all our devices have always worked. Now all four laptops will not connect to the internet. Only one oMac and our phones and iPad.
I have had far more devices running at once before but now all laptops are timing out on connection. Some say this iIP address is already being used but if I manually set to a slightly different IP address it does not help, noir if I manually set to the correct IP address. Why would all our laptops (four) suddenly be unable to connect? -
Receiver channel cannot access folder
Hi all,
my issue is about my ftp receiver channel. the channel cannot access a directory found in a server.
i am able to access the directory from an ftp cleint but the channel always get a time out due to an invalid address.
what is weird is that the channel is able to access the server but not the directory in the server.
i checked other issues in the forum but most wer due to wrong directory names and slashes...
can anyone please guide me?
thanks.my issue is about my ftp receiver channel. the channel cannot access a directory found in a server.
i am able to access the directory from an ftp cleint but the channel always get a time out due to an invalid address.
what is weird is that the channel is able to access the server but not the directory in the server.
Try the below:
1. Goto Start ---> run --> drivers --> etc --> hosts --> ADD YOUR HOST NAME AND IP OF THE SERVER HERE
2.Check the root for the folder to which the ftp has been given For eg: if the ftp is activated on the path C: driver\Inbox then in the communication channel just give the value \ and nothing else as it is directly accessing the folder and the path need not be given.
This should help.
Cheers
Dhwani
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