[Bug 657918] Re: Ubuntu does not boot - probably deadlock

[Marius Kotsbak]

Please try without the "splash" command line option:

https://wiki.ubuntu.com/DebuggingKernelBoot

** Changed in: plymouth (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/657918

Title:
  Ubuntu does not boot - probably deadlock

Status in “plymouth” package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: plymouth

  Hello,

  more Ubuntus (2x 10.04, 10.10 in testing phase and still now) does not
  boot, probably due to deadlock. It is random (it boots 1 in 10
  chance), pressing some keys on keyboard helps (it boots with 1 in 2
  chance). I tried changing graphic driver (one PC has ATI, 2 have
  NVidias), changing Wifi driver on notebook and it helps and somehow
  reduce probability of it happening, but it still happens with 2 in 3
  chance. When I revert it back, it happens with old chances. Any
  hardware removed (wifi, addional harddisk) greatly reduces probability
  of this freezes. Removing or adding programs to be run at boot time
  also partially helps.

  I can post logs, but I didn't find nothing interesting and common
  there. Frozen PC does not reply to NumLock/CapsLock, I can neither
  switch to different virtual terminal nor restart system with SysRQ key
  combination.

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