*** This bug is a duplicate of bug 572279 ***
    https://bugs.launchpad.net/bugs/572279

Public bug reported:

Problem occurs about half the time on boot (race condition?) in Kubuntu
10.04 (something similar may have happened to me a couple times in 9.10,
but with no error message).  After splash screen, instead of starting
kdm, boot drops to a blank screen with an irrelevant error message:

(Process:301):GLib-WARNING **: getpwuid_r(): failed due to unknown user
id (0)

Ctrl-Alt-Del and the power button can be used to restart or shutdown the
computer, no other combinations I've tried do anything (e.g. Ctrl-
Alt-F1, Ctrl-Alt-Backspace, any combination of Ctrl, Alt, Shift and
PrtSc or Pause).

Every ~38th boot, a full disk scan is performed before starting kdm, and
this issue has never occurred following such a disk scan.  Note: small
sample size.

Known to exist with
vmlinuz-2.6.32-22-generic
vmlinuz-2.6.32-23-generic
vmlinuz-2.6.35-020635rc1-generic (mainline kernel)
The mainline kernel worked happily for quite some time, but has now failed 
several times.  I'm not convinced this is a bug in the kernel.

Workaround:  Boot in recovery mode, resume normal boot, sudo kdm.

I have only one monitor, but it's a laptop so there is the potential for
a second screen, if that's relevant.

This looks like a duplicate of Bug 572279

Because it's impossible to create a bug report when the bug appears,
I'll be attaching a variety of log files going back a bit further.
Hopefully this report is helpful.  If there's more you'd like, please
ask.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-23-generic 2.6.32-23.37
Regression: No
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-23.37-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-23-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp', 
'/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/hwC0D1', 
'/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer', 
'/dev/sequencer2', '/dev/sequencer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xd6400000 irq 22'
   Mixer name   : 'Realtek ALC268'
   Components   : 'HDA:10ec0268,1179ff64,00100003 
HDA:11c11040,11790001,00100200'
   Controls      : 14
   Simple ctrls  : 9
CurrentDmesg:
 [   31.344706] ppdev: user-space parallel port driver
 [   39.776376] eth0: no IPv6 routers present
Date: Thu Jul  8 09:53:29 2010
HibernationDevice: RESUME=UUID=271391c4-ac65-40fd-9cca-aaaa706d2724
MachineType: TOSHIBA Satellite L300
ProcCmdLine: root=UUID=5a4b4fd4-3e46-480f-8f4d-0a19c55bfabe ro  single
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.34.1
RfKill:
 0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
SourcePackage: linux
WpaSupplicantLog:
 
dmi.bios.date: 05/28/2008
dmi.bios.vendor: INSYDE
dmi.bios.version: 1.40
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Base Board Product Name
dmi.board.vendor: Intel Corp.
dmi.board.version: Base Board Version
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnINSYDE:bvr1.40:bd05/28/2008:svnTOSHIBA:pnSatelliteL300:pvrPSLB0C-07P08C:rvnIntelCorp.:rnBaseBoardProductName:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion:
dmi.product.name: Satellite L300
dmi.product.version: PSLB0C-07P08C
dmi.sys.vendor: TOSHIBA

** Affects: ubuntu
     Importance: Undecided
         Status: New


** Tags: apport-bug graphics i386 lucid needs-upstream-testing

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https://bugs.launchpad.net/bugs/603405
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