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Message #68410
[Bug 931877] Re: Task udevadm:X blocked at boot
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/931877
Title:
Task udevadm:X blocked at boot
Status in “linux” package in Ubuntu:
Expired
Bug description:
The 3.0.0-16 kernel is unable to boot due to udevadm hanging. I'm
dual booting Windows 7 and Ubuntu 11.10 on my laptop, but when i try
to boot ubuntu, it drops to BusyBox complaining about giving up
waiting on the root device. ls /dev shows that the device file for my
hard drive is not there. Adding "rootdelay=300" to the boot arguments
allows my hard drive to be seen after approximately 4 minutes and the
boot can continue fine. An inspection of /var/log/syslog shows that
the udevadm task is being "blocked" at boot for a long time (see
attachment). It seems to be related to ACPI as "acpi=off" allows me to
boot normally, however any other acpi boot options, such as acpi=ht,
acpi=noirq, and so forth do not fix the problem, and udevadm still
hangs.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-16-generic 3.0.0-16.28
ProcVersionSignature: Ubuntu 3.0.0-16.28-generic 3.0.17
Uname: Linux 3.0.0-16-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: darius 1483 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'NVidia'/'HDA NVidia at 0xf6480000 irq 34'
Mixer name : 'Conexant CX20549 (Venice)'
Components : 'HDA:14f15045,103c30cf,00100100'
Controls : 20
Simple ctrls : 9
Date: Mon Feb 13 22:48:11 2012
HibernationDevice: RESUME=UUID=9c6b2f19-75db-4204-b395-57f227ac57e5
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 04f2:b023 Chicony Electronics Co., Ltd Gateway USB 2.0 Webcam
MachineType: Hewlett-Packard HP Pavilion dv9500 Notebook PC
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-16-generic root=UUID=b620339e-92d5-4656-85dc-afc620ce7049 ro acpi=off irqpoll quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.0.0-16-generic N/A
linux-backports-modules-3.0.0-16-generic N/A
linux-firmware 1.60
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/22/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.34
dmi.board.name: 30D1
dmi.board.vendor: Quanta
dmi.board.version: 85.26
dmi.chassis.type: 10
dmi.chassis.vendor: Quanta
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.34:bd03/22/2011:svnHewlett-Packard:pnHPPaviliondv9500NotebookPC:pvrRev1:rvnQuanta:rn30D1:rvr85.26:cvnQuanta:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv9500 Notebook PC
dmi.product.version: Rev 1
dmi.sys.vendor: Hewlett-Packard
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