[Bug 1297248] Re: Wait timeout for systemd-udevd worker process is too short

[Joseph Salisbury]

*** This bug is a duplicate of bug 1276705 ***
    https://bugs.launchpad.net/bugs/1276705

** This bug has been marked a duplicate of bug 1276705
   Kernel 3.13 fail to boot with LSI SAS1068E (Dell SAS 6/iR)

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https://bugs.launchpad.net/bugs/1297248

Title:
  Wait timeout for systemd-udevd worker process is too short

Status in “systemd” package in Ubuntu:
  Expired

Bug description:
  Coming from
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1276705 .

  Commit 786235ee in the upstream kernel made kthread_create() return
  immediately upon SIGKILL. On several machines, device initialization
  phase takes more than 30 seconds before kthread_create() is called.

  Since systemd-udevd unconditionally sends SIGKILL upon hardcoded 30
  seconds timeout, boot is failing upon such machines. The conclusion
  of LKML discussion seems that we should fix systemd-udevd side
  rather than fixing kthread_create() side because hardcoded 30 seconds
  timeout is considered as a bug of systemd. Therefore, please consider
  allowing configurable (or at least much longer) timeout for
  systemd-udevd worker process.

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