Virtual Box error: error mounting /dev/sda1 on /mnt

Hello folks,
After getting fed up with Ubuntu's bloated setup, I was trying to switch to Arch linux. But before that I wanted to try it in Virtual Box. I was using Arch Linux Core image for this. But after setting up file system and mountpoint I am getting this error:
error mounting /dev/sda1 on /mnt
The steps I followed:
1. Source: Core local
2. Editor: Nano
3. Clock: As usual
4. Prepare hard drive:
a) Manually Partition (as this is what I will be doing during actual installation)
b) /dev/sda
c) New partition on all space available on virtual machine, making it primary, bootable, Type: Linux Extended (option 85).
d) Write partition and Quit and Done
5. Manually configure block device, filesystems and mountpoints.
a) dev
b) Do not recreate file system.
c) Set ext4 format and mount point, ignoring swap space or seperate /boot partition.
d) Now when I goto next step as Done, It gives an error : Error mounting /dev/sda1 on /mnt/.
Is there any problem with creating the filesystem as I have done? Can anyone shed some light if there is any particular configuration needed for virtual machine. I searched the forum for other options. But none of them seem applicable for me.
Thank you for your time.

What host os and CPU are you using? The message states that you need virtualization hardware support in the CPU (Intel VT-x or AMD-V) in order to run that 64 bit guets OS. Reasons for this error (that I could think of) could be:
- you have a very old cpu
- you have disabled virtualization in your bios
- you are running a 32-bit host os
These links to the docs may also help
https://www.virtualbox.org/manual/ch10.html#hwvirt
https://www.virtualbox.org/manual/ch03.html#intro-64bitguests
cheers
bjoern

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Error: Waiting for /dev/sda1 for 10 seconds...

Hi,
I upgraded this morning to the following:
- mkinitcpio 0.13.0-1
- linux-lts 3.0.67-1
Now the server won't reboot, it always says "Waiting for /dev/sda1 for 10 seconds..." in the initramfs shell.
Indeed there is no /dev/sd* in /dev, or even /dev/disk-by* to try and boot using the UUID.
Since it's a remote server, it's hard to debug. Hopefully no critical service is running on it.
The default linux 3.7.9-2 gives the same error.
I managed to get it back on line using the fallback initrd: https://wiki.archlinux.org/index.php/Pa … onger_boot
I also tried to reinstall udev,linux-lts, systemd and mkinitcpio as advised but the /dev/sda1 error was still there.
My mkinitcpio.conf:
MODULES=""
BINARIES=""
FILES=""
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# no compression
Nothing fancy, no RAID, no LVM, not even /boot on a separate partition:
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- /dev/sda2 on /home
- /dev/sda3 as swap
For the rest, the system is up to date, no dandling *.pacnew, I never forced any package installation.
I didn't find a similar problem here or using Google.
The topic https://bbs.archlinux.org/viewtopic.php?id=158300 is not the same problem and it didn't help me.
I have two simple questions:
- what happened?
- how can I know it will be safe again to reboot using the regular initrd image?
Thanks for any clue.

Up, I see an update to linux-lts-3.0.68-1.
Thanks!

Peoplesoft 9.2 Application and Tools 8.54 installation on Virtual Box Linux - Error

I am trying to install Peoplesoft Demo database for Tools 8.54 with Application Fin 9.2, when i run the database setup to creat the script i get a file called fin92dmoora.dms, my question is does this file contain all the tables neccesary for tools to work, since on my first install i got many errors and many tools tables were missing, i could not see any records in the application designer, and when i logged into from PIA there was a error saying, Contact your Administrator for security, looks like peoplecode was missing too from my list in the Application designer.
There were no errors when i ran the dms scripts to import table from fin92dmoora.dms.
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Virtual Box vboxdrv error loading from rc.conf

As the guide says about VirtualBox PUEL installation:
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VirtualBox kernel driver not installed. The vboxdrv kernel module was either not loaded or /dev/vboxdrv was not created for some reason. Re-setup the kernel module by executing '/etc/init.d/vboxdrv setup' as root.
VBox status code: -1908 (VERR_VM_DRIVER_NOT_INSTALLED).
Result Code:
0x80004005
Component:
Console
Interface:
IConsole {1dea5c4b-0753-4193-b909-22330f64ec45}
When trying to start a Virtual Machine.
If I give modprobe vboxdrv the driver is loaded and everything is running smouthly.
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/dev/sda1 doesn't exist

Hello,
Whenever I try to mount my flash drive I use this command:
#mount /dev/sda1 /mnt/usb
For some reason, it says now that /dev/sda1 doesn't exist.
I think my flash drive itself is dead but it's not inserted when the computer starts so I don't know why the device isn't in /dev.
I'm currently at school so I can't give the exact error. Tell me if you need the output of any command.

I do have other things in the usb ports. They're a brother printer and a wireless mouse piece. Here is the output of dmesg:
[ameen@manghi ~]$ dmesg
Linux version 2.6.19-ARCH (root@Laptop) (gcc version 4.1.2 20061215 (prerelease)) #1 SMP PREEMPT Thu Jan 11 20:08:17 CET 2007
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000001fff0000 (usable)
BIOS-e820: 000000001fff0000 - 000000001fff8000 (ACPI data)
BIOS-e820: 000000001fff8000 - 0000000020000000 (ACPI NVS)
BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
BIOS-e820: 00000000ffee0000 - 00000000fff00000 (reserved)
BIOS-e820: 00000000fffc0000 - 0000000100000000 (reserved)
0MB HIGHMEM available.
511MB LOWMEM available.
Entering add_active_range(0, 0, 131056) 0 entries of 256 used
Zone PFN ranges:
DMA 0 -> 4096
Normal 4096 -> 131056
HighMem 131056 -> 131056
early_node_map[1] active PFN ranges
0: 0 -> 131056
On node 0 totalpages: 131056
DMA zone: 32 pages used for memmap
DMA zone: 0 pages reserved
DMA zone: 4064 pages, LIFO batch:0
Normal zone: 991 pages used for memmap
Normal zone: 125969 pages, LIFO batch:31
HighMem zone: 0 pages used for memmap
DMI 2.3 present.
ACPI: RSDP (v000 AMI ) @ 0x000fa2c0
ACPI: RSDT (v001 AMIINT SiS735XX 0x00001000 MSFT 0x0100000b) @ 0x1fff0000
ACPI: FADT (v001 AMIINT SiS735XX 0x00001000 MSFT 0x0100000b) @ 0x1fff0030
ACPI: DSDT (v001 SiS 735 0x00000100 MSFT 0x0100000d) @ 0x00000000
ACPI: PM-Timer IO Port: 0x808
Allocating PCI resources starting at 30000000 (gap: 20000000:dec00000)
Detected 1095.404 MHz processor.
Built 1 zonelists. Total pages: 130033
Kernel command line: root=/dev/hdb2 ro
Local APIC disabled by BIOS -- you can enable it with "lapic"
mapped APIC to ffffd000 (0140b000)
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
PID hash table entries: 2048 (order: 11, 8192 bytes)
Console: colour VGA+ 80x25
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 515000k/524224k available (2330k kernel code, 8704k reserved, 735k data, 260k init, 0k highmem)
virtual kernel memory layout:
fixmap : 0xfff83000 - 0xfffff000 ( 496 kB)
pkmap : 0xff800000 - 0xffc00000 (4096 kB)
vmalloc : 0xe0800000 - 0xff7fe000 ( 495 MB)
lowmem : 0xc0000000 - 0xdfff0000 ( 511 MB)
.init : 0xc0405000 - 0xc0446000 ( 260 kB)
.data : 0xc0346806 - 0xc03fe64c ( 735 kB)
.text : 0xc0100000 - 0xc0346806 (2330 kB)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 2192.10 BogoMIPS (lpj=4384211)
Security Framework v1.0.0 initialized
Mount-cache hash table entries: 512
CPU: After generic identify, caps: 0383f9ff c1c3f9ff 00000000 00000000 00000000 00000000 00000000
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 256K (64 bytes/line)
CPU: After all inits, caps: 0383f9ff c1c3f9ff 00000000 00000420 00000000 00000000 00000000
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
Compat vDSO mapped to ffffe000.
Checking 'hlt' instruction... OK.
SMP alternatives: switching to UP code
Freeing SMP alternatives: 12k freed
checking if image is initramfs... it is
Freeing initrd memory: 501k freed
ACPI: Core revision 20060707
ACPI: Looking for DSDT in initramfs... error, file /DSDT.aml not found.
ACPI: setting ELCR to 0200 (from 0c20)
CPU0: AMD Athlon(tm) Processor stepping 00
SMP motherboard not detected.
Local APIC not detected. Using dummy APIC emulation.
Brought up 1 CPUs
NET: Registered protocol family 16
ACPI: bus type pci registered
PCI: PCI BIOS revision 2.10 entry at 0xfdb01, last bus=1
PCI: Using configuration type 1
Setting up standard PCI resources
ACPI: Interpreter enabled
ACPI: Using PIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
PCI: Probing PCI hardware (bus 00)
Uncovering SIS18 that hid as a SIS503 (compatible=1)
Enabling SiS 96x SMBus.
Boot video device is 0000:01:00.0
ACPI: PCI Interrupt Routing Table [_SB_.PCI0._PRT]
ACPI: Power Resource [URP1] (off)
ACPI: Power Resource [URP2] (off)
ACPI: Power Resource [FDDP] (off)
ACPI: Power Resource [LPTP] (off)
ACPI: PCI Interrupt Link [LNKA] (IRQs *11)
ACPI: PCI Interrupt Link [LNKB] (IRQs *11)
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 7 *10 12 14 15)
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 7 *10 12 14 15)
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 7 10 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 7 10 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 7 *10 12 14 15)
ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 *5 7 10 12 14 15)
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI init
pnp: PnP ACPI: found 11 devices
SCSI subsystem initialized
PCI: Using ACPI for IRQ routing
PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report
NetLabel: Initializing
NetLabel: domain hash size = 128
NetLabel: protocols = UNLABELED CIPSOv4
NetLabel: unlabeled traffic allowed by default
PCI: Bridge: 0000:00:01.0
IO window: disabled.
MEM window: cde00000-cfefffff
PREFETCH window: bdc00000-cdcfffff
NET: Registered protocol family 2
IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
TCP established hash table entries: 16384 (order: 5, 196608 bytes)
TCP bind hash table entries: 8192 (order: 4, 98304 bytes)
TCP: Hash tables configured (established 16384 bind 8192)
TCP reno registered
apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
apm: overridden by ACPI.
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
Installing knfsd (copyright (C) 1996 [email protected]).
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
ACPI: Power Button (FF) [PWRF]
ACPI: Sleep Button (CM) [SLPB]
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
00:08: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
00:09: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
PCI: setting IRQ 10 as level-triggered
ACPI: PCI Interrupt 0000:00:0f.0[A] -> Link [LNKD] -> GSI 10 (level, low) -> IRQ 10
0000:00:0f.0: ttyS2 at I/O 0xd000 (irq = 10) is a 16550A
RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
loop: loaded (max 8 devices)
PNP: PS/2 Controller [PNP0303:PS2K,PNP0f03:PS2M] at 0x60,0x64 irq 1,12
serio: i8042 KBD port at 0x60,0x64 irq 1
serio: i8042 AUX port at 0x60,0x64 irq 12
mice: PS/2 mouse device common for all mice
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
Using IPI No-Shortcut mode
ACPI: (supports S0 S1 S4 S5)
Time: tsc clocksource has been installed.
Freeing unused kernel memory: 260k freed
input: AT Translated Set 2 keyboard as /class/input/input0
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
SIS5513: IDE controller at PCI slot 0000:00:02.5
SIS5513: chipset revision 208
SIS5513: not 100% native mode: will probe irqs later
SIS5513: SiS735 ATA 100 (2nd gen) controller
ide0: BM-DMA at 0xff00-0xff07, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xff08-0xff0f, BIOS settings: hdc:DMA, hdd:DMA
Probing IDE interface ide0...
hda: ST380013A, ATA DISK drive
hdb: SAMSUNG SP8004H, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Probing IDE interface ide1...
hdc: ATAPI CD-RW CW5205, ATAPI CD/DVD-ROM drive
hdd: SONY CD-RW CRX160E, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
hda: max request size: 512KiB
hda: 156301488 sectors (80026 MB) w/8192KiB Cache, CHS=16383/255/63, UDMA(100)
hda: cache flushes supported
hda: hda1 hda2 <hda5>
hdb: max request size: 128KiB
hdb: 156368016 sectors (80060 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(100)
hdb: cache flushes supported
hdb: hdb1 hdb2
hdc: ATAPI 52X CD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
hdd: ATAPI 32X CD-ROM CD-R/RW drive, 4096kB Cache, UDMA(33)
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
ath_hal: module license 'Proprietary' taints kernel.
ath_hal: 0.9.17.2 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
wlan: 0.8.4.2 (0.9.2.1)
ath_rate_sample: 1.2 (0.9.2.1)
ath_pci: 0.9.4.5 (0.9.2.1)
ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11
PCI: setting IRQ 11 as level-triggered
ACPI: PCI Interrupt 0000:00:0b.0[A] -> Link [LNKB] -> GSI 11 (level, low) -> IRQ 11
wifi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
wifi0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
wifi0: H/W encryption support: WEP AES AES_CCM TKIP
wifi0: mac 7.8 phy 4.5 radio 5.6
wifi0: Use hw queue 1 for WME_AC_BE traffic
wifi0: Use hw queue 0 for WME_AC_BK traffic
wifi0: Use hw queue 2 for WME_AC_VI traffic
wifi0: Use hw queue 3 for WME_AC_VO traffic
wifi0: Use hw queue 8 for CAB traffic
wifi0: Use hw queue 9 for beacons
wifi0: Atheros 5212: mem=0xcffe0000, irq=11
Linux agpgart interface v0.101 (c) Dave Jones
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
ACPI: PCI Interrupt 0000:01:00.0[A] -> Link [LNKA] -> GSI 11 (level, low) -> IRQ 11
NVRM: loading NVIDIA Linux x86 Kernel Module 1.0-9631 Thu Nov 9 17:38:10 PST 2006
agpgart: Detected SiS 735 chipset
agpgart: AGP aperture is 64M @ 0xd0000000
sis630_smbus 0000:00:02.0: SIS630 comp. bus not detected, module not inserted.
ohci_hcd: 2006 August 04 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
ACPI: PCI Interrupt 0000:00:02.2[D] -> Link [LNKD] -> GSI 10 (level, low) -> IRQ 10
ohci_hcd 0000:00:02.2: OHCI Host Controller
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
ohci_hcd 0000:00:02.2: new USB bus registered, assigned bus number 1
ohci_hcd 0000:00:02.2: irq 10, io mem 0xcfffe000
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 3 ports detected
USB Universal Host Controller Interface driver v3.0
shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
ACPI: PCI Interrupt 0000:00:13.0[A] -> Link [LNKA] -> GSI 11 (level, low) -> IRQ 11
uhci_hcd 0000:00:13.0: UHCI Host Controller
uhci_hcd 0000:00:13.0: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:13.0: irq 11, io base 0x0000c800
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:13.1[B] -> Link [LNKB] -> GSI 11 (level, low) -> IRQ 11
uhci_hcd 0000:00:13.1: UHCI Host Controller
uhci_hcd 0000:00:13.1: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:13.1: irq 11, io base 0x0000cc00
usb usb3: configuration #1 chosen from 1 choice
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
ACPI: PCI Interrupt Link [LNKH] enabled at IRQ 5
PCI: setting IRQ 5 as level-triggered
ACPI: PCI Interrupt 0000:00:02.3[A] -> Link [LNKH] -> GSI 5 (level, low) -> IRQ 5
ohci_hcd 0000:00:02.3: OHCI Host Controller
ohci_hcd 0000:00:02.3: new USB bus registered, assigned bus number 4
ohci_hcd 0000:00:02.3: irq 5, io mem 0xcffff000
sis900.c: v1.08.10 Apr. 2 2006
usb usb4: configuration #1 chosen from 1 choice
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 3 ports detected
usb 2-1: new full speed USB device using uhci_hcd and address 2
input: PC Speaker as /class/input/input1
ACPI: PCI Interrupt Link [LNKG] enabled at IRQ 10
ACPI: PCI Interrupt 0000:00:03.0[A] -> Link [LNKG] -> GSI 10 (level, low) -> IRQ 10
0000:00:03.0: Realtek RTL8201 PHY transceiver found at address 1.
0000:00:03.0: Using transceiver found at address 1 as default
eth0: SiS 900 PCI Fast Ethernet at 0xd400, IRQ 10, 00:0a:e6:95:b8:e5.
sis96x_smbus 0000:00:02.1: SiS96x SMBus base address: 0x0c00
usb 2-1: configuration #1 chosen from 1 choice
usb 3-2: new low speed USB device using uhci_hcd and address 2
usb 3-2: configuration #1 chosen from 1 choice
parport: PnPBIOS parport detected.
parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE]
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 10
ACPI: PCI Interrupt 0000:00:13.2[C] -> Link [LNKC] -> GSI 10 (level, low) -> IRQ 10
ehci_hcd 0000:00:13.2: EHCI Host Controller
ehci_hcd 0000:00:13.2: new USB bus registered, assigned bus number 5
ehci_hcd 0000:00:13.2: irq 10, io mem 0xcfffdf00
ehci_hcd 0000:00:13.2: USB 2.0 started, EHCI 0.95, driver 10 Dec 2004
usb usb5: configuration #1 chosen from 1 choice
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 4 ports detected
PPP generic driver version 2.4.2
ACPI: PCI Interrupt 0000:00:02.7[C] -> Link [LNKC] -> GSI 10 (level, low) -> IRQ 10
usb 3-2: USB disconnect, address 2
usb 3-2: new low speed USB device using uhci_hcd and address 3
intel8x0_measure_ac97_clock: measured 53955 usecs
intel8x0: clocking to 48000
usb 3-2: configuration #1 chosen from 1 choice
usb 2-1: USB disconnect, address 2
lp0: using parport0 (interrupt-driven).
Real Time Clock Driver v1.12ac
input: ImExPS/2 Generic Explorer Mouse as /class/input/input2
usb 2-1: new full speed USB device using uhci_hcd and address 3
ppdev: user-space parallel port driver
usb 2-1: configuration #1 chosen from 1 choice
drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 3 if 0 alt 0 proto 2 vid 0x04F9 pid 0x0028
usbcore: registered new interface driver usblp
drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
usbcore: registered new interface driver hiddev
input: Logitech USB RECEIVER as /class/input/input3
input: USB HID v1.11 Mouse [Logitech USB RECEIVER] on usb-0000:00:13.1-2
usbcore: registered new interface driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
EXT3 FS on hdb2, internal journal
ext3: No journal on filesystem on hda1
fuse init (API version 7.8)
Adding 1510068k swap on /dev/hda5. Priority:-1 extents:1 across:1510068k
agpgart: Found an AGP 2.0 compliant device at 0000:00:00.0.
agpgart: Putting AGP V2 device at 0000:00:00.0 into 4x mode
agpgart: Putting AGP V2 device at 0000:01:00.0 into 4x mode
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
Mobile IPv6
ath0: no IPv6 routers present
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
ADDRCONF(NETDEV_UP): ath0: link is not ready
ADDRCONF(NETDEV_CHANGE): ath0: link becomes ready
ath0: no IPv6 routers present

Dev-sda1.device

Hello arch users,
I'm currently trying to improve performance on my netbook that runs arch linux.
Today I installed a custom kernel (optimized for Atom processor) and rebuilt the initramfs and I'm pretty satisfied with my boot speed.
Still there is this 'dev-sda1.device' thing in my 'systemd-analyze blame':
4.699s dev-sda1.device
1.926s systemd-journald.service
1.765s systemd-vconsole-setup.service
963ms systemd-tmpfiles-setup-dev.service
962ms systemd-journal-flush.service
844ms lightdm.service
697ms systemd-udevd.service
457ms tmp.mount
440ms udisks2.service
416ms sys-kernel-debug.mount
372ms systemd-remount-fs.service
359ms [email protected]
323ms sys-kernel-config.mount
318ms systemd-sysctl.service
318ms dev-mqueue.mount
316ms dev-hugepages.mount
301ms systemd-udev-trigger.service
294ms polkit.service
234ms systemd-random-seed.service
145ms systemd-backlight@backlight:acpi_video0.service
144ms [email protected]
139ms home.mount
126ms systemd-tmpfiles-setup.service
122ms kmod-static-nodes.service
This seems to be very time consuming. What is 'dev-sda1.device'? I tried "find . -name 'dev-sda1.device'" with no results and I searched Google...
Is it just a "virtual" name for the process which mounts /dev/sda1? (which is my / partition by the way, where /dev/sda is a HDD)
And why does it take "this long"? I would like to improve everything I can

From 'man systemd.device':
systemd will dynamically create device units for all kernel devices that are marked with the "systemd" udev tag
(by default all block and network devices, and a few others)
These units are not present on the file system.
4.699s dev-sda1.device
I think that this time includes the fsck running time, which depends on the partition size.
On my machine, where sda3 is my root partition, I get:
$ systemd-analyze blame|grep device
3.647s dev-sda3.device
$ systemctl status dev-sda3.device
● dev-sda3.device - Hitachi_HDP725050GLA360 3
Follow: unit currently follows state of sys-devices-pci0000:00-0000:00:0e.0-ata1-host0-target0:0:0-0:0:0:0-block-sda-sda3.device
Loaded: loaded
Active: active (plugged) since mer. 2015-04-29 10:19:21 CEST; 6h ago
Device: /sys/devices/pci0000:00/0000:00:0e.0/ata1/host0/target0:0:0/0:0:0:0/block/sda/sda3
$ journalctl -b|grep sda3
avril 29 10:19:18 arch64 kernel: sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 >
avril 29 10:19:18 arch64 kernel: EXT4-fs (sda3): mounting ext3 file system using the ext4 subsystem
avril 29 10:19:18 arch64 kernel: EXT4-fs (sda3): mounted filesystem with ordered data mode. Opts: (null)
avril 29 10:19:19 arch64 systemd-fsck[130]: /dev/sda3: clean, 206507/1313280 files, 1624052/5242880 blocks
avril 29 10:19:19 arch64 kernel: EXT4-fs (sda3): re-mounted. Opts: (null)
Since the '10:19:18' boot time to the '10:19:21' 'dev-sda3.device' activation time there is the 3.647s lapse.
The journal shows that the 'systemd-fsck[130]: /dev/sda3' is included.
Maybe preventing the fsck on this partition might reduce the activation time of your 'dev-sda1.device'.
But is 4.7s so long?
Last edited by berbae (2015-04-29 15:01:36)

ERROR installing MAC OSX onto my W510 Mint 9 Virtual Box.....

Hi all,
Im running Linux Mint 9 & trying to install osx 10.6.3 via latest virtual box. (for viewing purposes only!!) Ive tried it with Empire EFI, iBoot and Legacy boot cd.
All settings in VB are as tutorials that are out there on the web so im pretty sure my settings are ok. Once one of the above bootable discs loads it asks me to replace the disc with the msc os dvd (retail) and then press F5
So i wait for the osx disc to mount, wait for about 1-2 minutes (as advised), press F5 and the disc starts spinning for about a second then stops. The following error then comes up on the Virtual screen window:
Block 0x18a96a sectors 0
this continues to scroll down the page then nothing. Im pretty much useless at pc's and i only use them for wmy work (CAD) Ive been getting help from a guy who is trying to step by step me through the installation process, he has installed it but running Ubuntu.
Here is the link to our blog he has created on his web page. (which i have to say a big thanks you to him for)
Moderator edit; Link removed
So can anyone suggest why the disc is not loading from the DVD drive? possibly a simple setting on my w510?
Any help with this would be greatly appreciated.

MrPeter1985 wrote:
READ THIS
Even though this is in VB it is still illegal per Apple.
Good point.
Thread locked
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Error While Joining a domain.| Adding a virtual box machine to host machine's domain

Dear All,
I have a Virtual Box(guest) Where Windows Server 2008 r2 is installed.Virtual box is hosted by a machine which Uses Windows Server 2008 r2. Host machine is a domain controller.I have added guest to another domain
other than host.But whenever I tried to add guest machine to host domain It shows me following error(See below).
An error occurred when DNS was queried for the service location (SRV) resource record used to locate an Active Directory Domain Controller (AD DC) for domain "crmrc.com".
The error was: "No records found for given DNS query."
(error code 0x0000251D DNS_INFO_NO_RECORDS)
The query was for the SRV record for _ldap._tcp.dc._msdcs.crmrc.com
Could you please suggest me the solution for it?
Thanks and Regards,
Yusuf

Hello,
C:\Users\Administrator>ipconfig/all
Windows
IP Configuration
Host Name . . . . . . . . . . . . : MSCRM
Primary Dns Suffix . . . . . . . : crmrc.com
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : crmrc.com
Ethernet
adapter Network Bridge:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : MAC Bridge Miniport
Physical Address. . . . . . . . . : BA-AC-6F-3F-A3-51
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::8573:2122:495b:93bc%16(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.78(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 280669295
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-14-B1-48-BF-B8-AC-6F-3F-A3-51
DNS Servers . . . . . . . . . . . : 192.168.1.78
59.144.127.17
NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel
adapter isatap.{39C0341C-67DC-405D-B8F4-25DA555D53C0}:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::5efe:192.168.1.78%12(Preferred)
Default Gateway . . . . . . . . . :
DNS Servers . . . . . . . . . . . : 192.168.1.78
59.144.127.17
NetBIOS over Tcpip. . . . . . . . : Disabled
Tunnel
adapter Teredo Tunneling Pseudo-Interface:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
I suppose here that this is a DC/DNS server. I see that 59.144.127.17 is
configured as a DNS server. If 59.144.127.17 is
a public DNS server then please add it as a forwarder.
Once done, run ipconfig /registerdns and restart netlogon service on the DC.
Windows
IP Configuration
Host Name . . . . . . . . . . . . : MYLYC
Primary Dns Suffix . . . . . . . : ow.pearl
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : ow.pearl
Ethernet
adapter Local Area Connection:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) PRO/1000 MT De
Physical Address. . . . . . . . . : 08-00-27-43-C7-47
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::781f:3c7d:edc:684
IPv4 Address. . . . . . . . . . . : 192.168.1.105(Preferred
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 235405351
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-15-7A-16-5B
DNS Servers . . . . . . . . . . . : 192.168.1.78
59.144.127.17
NetBIOS over Tcpip. . . . . . . . : Enabled
Please delete the second DNS server.
Also, disable all security softwares and try again.
Are you able to ping the DC? If not, that may be a problem with your routes.
Also, use nslookup to check that all is okay with DNS records.
This
posting is provided "AS IS" with no warranties or guarantees , and confers no rights.
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Installing ArchLinx+Guest Additions in Virtual Box(error during guest)

The Arch Linux install seemed to go through smoothly. I installed it using the wiki page, rebooted, and logged in as root. I am installing this for a class, so trying to follow the instructions to do so. Next, we are supposed to install 'Guest Additions' for Virtual box using the instructions below:
Now, you should install "Guest Additions" for VirtualBox. Guest additions allows you to share files between host and guest systems. This is very convenient for development as you will need to copy files back and forth between the host and guest operating systems. You can download Guest Additions at *link*.
You need to start the virtual machine before you can continue installing Guest Additions. To do that, just select your VM name from the list on the left hand side in VirtualBox and click Start. After logging into Arch Linux, you should mount this ISO image just as you had mounted the Arch Linux ISO file. You can then mount the cdrom inside the Guest OS by doing:
mkdir /mnt/cdrom
mount -t iso9660 /dev/cdrom0 /mnt/cdrom
Now install the guest additions by doing:
cd /mnt/cdrom
sh ./VBoxLinuxAdditions-x86.run
This will compile and install the kernel modules necessary for Guest Additions functionality. Please note that if you
recompile your own kernel (later as a part of project requirements), you will have to run this again so that the modules are
compiled and installed for the new kernel too.
Under settings for VBox, I mounted the Guest Additions image file, started Arch Linux, logged in as root, and followed the instructions above. I was able to do all of the above, but when I excute the last line, I am given this message:
http://img132.imageshack.us/img132/3971/linuxd.png
I have no idea where to go from here, and any help would be greatly appreciated.
Also, I feel like I have installed Arch Linux incorrectly. All the videos and pictures I see show a GUI type interface, but all I am presented with is a text-based interface. When I boot it up, it asks me to log in, and I am then taken to the command line, but I don't see the same GUI interface everyone else seems to have. Is this normal for a basic Arch Linux install? Thanks in advance.

Arch has no GUI until you install one. Some people don't want a GUI, so it's left to the user. The base install has only a command line interface.
You should probably read the Beginners Guide.
In case you missed them, there's two short articles, also on the wiki that might help you understand Arch, Arch Linux and The Arch Way

Error installing virtual box guest additons

On my windows 7 laptop I have virtual box 4.0 . I installed Oracle enterprise linux 5.5 and i want to make a shared folder . When i run VBoxLinuxAdditions.run I get the folowing :
"Your system does not seem to be set up to build kernel modules . If the following module compilation fails then this could be the reason .
The missing package can be probably installed with yum install kernel-devel-2.6.18-195.el5"
After this it invite me to see the content of file /var/log/vboxadd-install.log . In this log it tell me it can not find the kernel sources .
What can I do? I must download anothr version of Oracle enterprise linux? wihich one?
Many thanks,
Aurel

Hello,
I configured the yum tool (as I find out on http://public-yum.oracle.com/) and I run yum install kernel-devel . After that I run sh /media/VBOXADDITIONS_4.0.0_69151/VBoxLinuxAdditions.run
The process of building kernel modules for Virtual Box additions is ending in error - it doesn't know about gcc tool. In what package there is this tool?
Thank you,
Aurel

Virtual Box Error

I have been trying to import solaris 11 on VM virtual box and this i have successfully completed. But while trying to open the solaris OS, i got the error message that "VT-x/AMD-V hardware accelerator is not avilable on your system. Your 64-bit guest will fail to detect a 64-bit CPU and will not be able to boot". Can someone please tell me what this error is actually saying and how to overcome it.
Thanks.

What host os and CPU are you using? The message states that you need virtualization hardware support in the CPU (Intel VT-x or AMD-V) in order to run that 64 bit guets OS. Reasons for this error (that I could think of) could be:
- you have a very old cpu
- you have disabled virtualization in your bios
- you are running a 32-bit host os
These links to the docs may also help
https://www.virtualbox.org/manual/ch10.html#hwvirt
https://www.virtualbox.org/manual/ch03.html#intro-64bitguests
cheers
bjoern

HT1338 I have plugged in a external drive and i get the following error message 'mount - t-ntfs-3g-o force/dev/rdisk3s1' help what does this mean?

I have plugged in a external drive and i get the following error message 'mount - t-ntfs-3g-o force/dev/rdisk3s1' help what does this mean?

You may be infected with malware.
See: [[/questions/860893]]

Error in mount FAT in Solaris 10 x86.

Hi all,
I did try mount an FAT partition in Solaris, but I receive an error, see:
# /usr/bin/prtpart /dev/rdsk/c1d0p0 -ldevs
Fdisk information for device /dev/rdsk/c1d0p0
** NOTE **
/dev/dsk/c1d0p0 - Physical device referring to entire physical disk
/dev/dsk/c1d0p1 - p4 - Physical devices referring to the 4 primary partitions
/dev/dsk/c1d0p5 ... - Virtual devices referring to logical partitions
Virtual device names can be used to access EXT2 and NTFS on logical partitions
/dev/dsk/c1d0p1 IFS: NTFS
/dev/dsk/c1d0p2 WIN95 Extended(LBA)
/dev/dsk/c1d0p5 IFS: NTFS
/dev/dsk/c1d0p6 IFS: NTFS
*/dev/dsk/c1d0p7 WIN95 FAT32(Upto 2047GB)*
in bold is the partition that I want mount.
dir that I want mount in:
# pwd
/mnt/windows
# mount -F pcfs /dev/dsk/c1d0p7 /mnt/windows
mount: /dev/dsk/c1d0p7 is already mounted or /mnt/windows is busy
/dev/dsk/c1d0p7 is not mounted, when I navigate to mnt/windows it is void..
what is wrong?
thanks to all...

Well, you can't stand in the directory you are trying to mount, if you stand in '/mnt/windows' you will not be able to mount anything over it. (thats what 'busy' means in this context).
Basically your pwd can be anything except the mountpoint.
Hence, try a 'cd /' first, then try again.
.7/M.

Root filesystem errors, Arch mounts it as RO, unusable system

I dunno why, but since a little why Arch stopped working because it just stops the initscripts where it checks for filesystems.
I'm getting at the beginning of initscripts this:
"Using static /dev filesystem"
Then it goes into maintenance mode after the Filesystem Check, asking for my root password, with the root filesystem mounted read-only, then it asks me to fsck it and change the superblock, however I can't do this because /dev/sda1 (my root FS) doesn't exists.
What should I do?
Thanks in advance

1. when you start it will say filesystem check error and ask if you want to fix it type in your root password and press enter
2. type mount -o -n remount,rw / and press enter
3. type pacman -S initscripts and press enter
4. type cp /etc/rc.local.shutdown.pacsave /etc/rc.local.shutdown press enter
5. type cp /etc/rc.local.pacsave /etc/rc.local press enter
6. type cp /etc/rc.conf.pacsave /etc/rc.conf press enter
7. type cp /etc/inittab.pacsave /etc/inittab
8. type reboot and press enter and you should be able to boot into your filesystem
if you pacman tells you that it cant find initscripts then download the package from here:
ftp://ftp.archlinux.org/testing/os/i686 … pkg.tar.gz
and put it on a usb drive and mount it from inside another linux for example a ubuntu live cd
then mount your arch root aswell and copy the initscripts-2008.02-1-i686.pkg.tar.gz to mountpoint/root/
then go back and go from step 3 but with pacman -U initscripts-2008.02-1-i686.pkg.tar.gz
Last edited by INCSlayer (2008-03-01 07:25:15)

Getting Error Message - mount.ocfs2: No such device while mounting

I am trying to mount an ocfs2 file system. The file system seems to have been created fine but I get an error message when I try to mount it. Here's what I get :
[root@mdcpsdb1 init.d]# ./o2cb status
Module "configfs": Loaded
Filesystem "configfs": Mounted
Module "ocfs2_nodemanager": Loaded
Module "ocfs2_dlm": Loaded
Module "ocfs2_dlmfs": Loaded
Filesystem "ocfs2_dlmfs": Mounted
Checking cluster ocfs2: Online
Checking heartbeat: Active
[root@mdcpsdb1 init.d]# fsck.ocfs2 /dev/sdc1
Checking OCFS2 filesystem in /dev/sdc1:
label: oracle_hr
uuid: f6 23 5e 3b ad bb 49 87 81 a3 cb f0 b7 2a d0 ad
number of blocks: 24416784
bytes per block: 4096
number of clusters: 6104196
bytes per cluster: 16384
max slots: 4
/dev/sdc1 is clean. It will be checked after 20 additional mounts.
[root@mdcpsdb1 init.d]# mount -t ocfs2 /dev/sdc1 /hr_data
mount.ocfs2: No such device while mounting /dev/sdc1 on /hr_data
The same thing happens going through the ocfs2console.
Thanks,
David

Did you get anwer for this error? I got same error. Thanks in advance.

Virtual Box error: error mounting /dev/sda1 on /mnt

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