[Bug 1438375] Re: autofs prevents machine from suspending

[Launchpad Bug Tracker]

[Expired for autofs (Ubuntu) because there has been no activity for 60
days.]

** Changed in: autofs (Ubuntu)
       Status: Incomplete => Expired

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Title:
  autofs prevents machine from suspending

Status in autofs package in Ubuntu:
  Expired

Bug description:
  autofs prevents my laptop from suspending while mounts are active:

  [ 1095.355009] Freezing user space processes ... 
  [ 1115.369769] Freezing of tasks failed after 20.005 seconds (1 tasks refusing to freeze, wq_busy=0):
  [ 1115.369833] df              D ffff88011f2d34c0     0 15931  15930 0x00000004
  [ 1115.369838]  ffff8801170cdd58 0000000000000086 ffff8800a3ab1800 ffff8801170cdfd8
  [ 1115.369843]  00000000000134c0 00000000000134c0 ffff8800a3ab1800 ffff8800a3a77320
  [ 1115.369847]  ffff8800b0400800 ffff8801170cdd80 ffff8800a3a77400 0000000000000000
  [ 1115.369851] Call Trace:
  [ 1115.369862]  [<ffffffff81725919>] schedule+0x29/0x70
  [ 1115.369867]  [<ffffffff812acfd5>] __fuse_request_send+0x115/0x280
  [ 1115.369873]  [<ffffffff810ab120>] ? prepare_to_wait_event+0x100/0x100
  [ 1115.369877]  [<ffffffff812ad152>] fuse_request_send+0x12/0x20
  [ 1115.369880]  [<ffffffff812b9446>] fuse_statfs+0xc6/0x140
  [ 1115.369886]  [<ffffffff811ef251>] statfs_by_dentry+0xa1/0x140
  [ 1115.369890]  [<ffffffff811ef30b>] vfs_statfs+0x1b/0xb0
  [ 1115.369894]  [<ffffffff811ef3e6>] user_statfs+0x46/0x80
  [ 1115.369898]  [<ffffffff811ef435>] SYSC_statfs+0x15/0x30
  [ 1115.369902]  [<ffffffff811ef56e>] SyS_statfs+0xe/0x10
  [ 1115.369906]  [<ffffffff81731fbd>] system_call_fastpath+0x1a/0x1f
  [ 1115.369909] 
  [ 1115.369910] Restarting tasks ... done.

  Placing a script under /etc/pm/sleep.d to stop and restart autofs on
  suspend/resume will resolve the issue.

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