[Bug 1615641] [NEW] initramfs waits for 5 seconds when executing /scripts/local-premount/resume

[Colin Ian King]

Public bug reported:

I've noticed that boots on Ubuntu Yakkety have slowed down recently.  I
added some debug into my kernel to see where delays are occurring and I
can observe 5 seconds being consumed in  /scripts/local-premount/resume
:

Aug 22 14:34:36 lenovo kernel: [    6.823263] _do_fork: 1 (init)
Aug 22 14:34:36 lenovo kernel: [    6.823333] do_exec: 824 (init) /scripts/local-premount/ntfs_3g
Aug 22 14:34:36 lenovo kernel: [    6.823766] _do_fork: 1 (init)
Aug 22 14:34:36 lenovo kernel: [    6.823845] do_exec: 825 (init) /scripts/local-premount/resume
Aug 22 14:34:36 lenovo kernel: [    6.824214] _do_fork: 825 (resume)
Aug 22 14:34:36 lenovo kernel: [    6.824322] do_exec: 826 (resume) /sbin/wait-for-root
Aug 22 14:34:36 lenovo kernel: [   11.825642] _do_fork: 1 (init)
Aug 22 14:34:36 lenovo kernel: [   11.825800] do_exec: 827 (init) /sbin/wait-for-root
Aug 22 14:34:36 lenovo kernel: [   11.826691] _do_fork: 1 (init)

It seems that /scripts/local-premount/resume is being called and wait-
for-root times out after 5 seconds. The resume script does set a 5
second timeout, so I must be hitting that for some reason.

** Affects: initramfs-tools (Ubuntu)
     Importance: High
         Status: New

** Changed in: initramfs-tools (Ubuntu)
   Importance: Undecided => High

** Description changed:

  I've noticed that boots on Ubuntu Yakkety have slowed down recently.  I
  added some debug into my kernel to see where delays are occurring and I
- can observed 5 seconds being consumed in  /scripts/local-premount/resume
+ can observe 5 seconds being consumed in  /scripts/local-premount/resume
  :
  
  Aug 22 14:34:36 lenovo kernel: [    6.823263] _do_fork: 1 (init)
  Aug 22 14:34:36 lenovo kernel: [    6.823333] do_exec: 824 (init) /scripts/local-premount/ntfs_3g
  Aug 22 14:34:36 lenovo kernel: [    6.823766] _do_fork: 1 (init)
  Aug 22 14:34:36 lenovo kernel: [    6.823845] do_exec: 825 (init) /scripts/local-premount/resume
  Aug 22 14:34:36 lenovo kernel: [    6.824214] _do_fork: 825 (resume)
  Aug 22 14:34:36 lenovo kernel: [    6.824322] do_exec: 826 (resume) /sbin/wait-for-root
  Aug 22 14:34:36 lenovo kernel: [   11.825642] _do_fork: 1 (init)
  Aug 22 14:34:36 lenovo kernel: [   11.825800] do_exec: 827 (init) /sbin/wait-for-root
  Aug 22 14:34:36 lenovo kernel: [   11.826691] _do_fork: 1 (init)
  
  It seems that /scripts/local-premount/resume is being called and wait-
  for-root times out after 5 seconds. The resume script does set a 5
  second timeout, so I must be hitting that for some reason.

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https://bugs.launchpad.net/bugs/1615641

Title:
  initramfs waits for 5 seconds when executing /scripts/local-
  premount/resume

Status in initramfs-tools package in Ubuntu:
  New

Bug description:
  I've noticed that boots on Ubuntu Yakkety have slowed down recently.
  I added some debug into my kernel to see where delays are occurring
  and I can observe 5 seconds being consumed in  /scripts/local-
  premount/resume :

  Aug 22 14:34:36 lenovo kernel: [    6.823263] _do_fork: 1 (init)
  Aug 22 14:34:36 lenovo kernel: [    6.823333] do_exec: 824 (init) /scripts/local-premount/ntfs_3g
  Aug 22 14:34:36 lenovo kernel: [    6.823766] _do_fork: 1 (init)
  Aug 22 14:34:36 lenovo kernel: [    6.823845] do_exec: 825 (init) /scripts/local-premount/resume
  Aug 22 14:34:36 lenovo kernel: [    6.824214] _do_fork: 825 (resume)
  Aug 22 14:34:36 lenovo kernel: [    6.824322] do_exec: 826 (resume) /sbin/wait-for-root
  Aug 22 14:34:36 lenovo kernel: [   11.825642] _do_fork: 1 (init)
  Aug 22 14:34:36 lenovo kernel: [   11.825800] do_exec: 827 (init) /sbin/wait-for-root
  Aug 22 14:34:36 lenovo kernel: [   11.826691] _do_fork: 1 (init)

  It seems that /scripts/local-premount/resume is being called and wait-
  for-root times out after 5 seconds. The resume script does set a 5
  second timeout, so I must be hitting that for some reason.

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