[Bug 102102] [BAT][CTG] rtcwake failed with 256

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102102

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
[  598.531479] PM: Syncing filesystems ... done.
[  598.590879] PM: Preparing system for sleep (mem)
[  598.591612] Freezing user space processes ...
[  618.594711] Freezing of tasks failed after 20.003 seconds (1 tasks refusing
to freeze, wq_busy=0):
[  618.594741] fstrim          D    0  3896   3893 0x00000004
[  618.594764] Call Trace:
[  618.594775]  __schedule+0x3c3/0xb00
[  618.594781]  ? queue_unplugged+0x61/0x1b0
[  618.594789]  ? wait_for_common_io.constprop.1+0xe5/0x180
[  618.594793]  schedule+0x3b/0x90
[  618.594798]  schedule_timeout+0x24c/0x490
[  618.594804]  ? trace_hardirqs_on_caller+0xe3/0x1b0
[  618.594809]  ? trace_hardirqs_on+0xd/0x10
[  618.594817]  ? wait_for_common_io.constprop.1+0xe5/0x180
[  618.594822]  io_schedule_timeout+0x19/0x40
[  618.594826]  ? io_schedule_timeout+0x19/0x40
[  618.594831]  wait_for_common_io.constprop.1+0x104/0x180
[  618.594837]  ? wake_up_q+0x80/0x80
[  618.594844]  wait_for_completion_io+0x13/0x20
[  618.594848]  submit_bio_wait+0x54/0x60
[  618.594858]  blkdev_issue_discard+0x6c/0xb0
[  618.594862]  ? ext4_trim_fs+0x424/0xc30
[  618.594871]  ext4_trim_fs+0x4b2/0xc30
[  618.594875]  ? ext4_trim_fs+0x4b2/0xc30
[  618.594891]  ext4_ioctl+0xc36/0x10f0
[  618.594901]  do_vfs_ioctl+0x8f/0x660
[  618.594906]  ? entry_SYSCALL_64_fastpath+0x5/0xb1
[  618.594912]  ? __this_cpu_preempt_check+0x13/0x20
[  618.594916]  ? trace_hardirqs_on_caller+0xe3/0x1b0
[  618.594922]  SyS_ioctl+0x3c/0x70
[  618.594928]  entry_SYSCALL_64_fastpath+0x1c/0xb1
[  618.594933] RIP: 0033:0x7ff0c0be2587
[  618.594936] RSP: 002b:00007ffd5fe7eac8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[  618.594943] RAX: ffffffffffffffda RBX: ffffffff8146cce3 RCX:
00007ff0c0be2587
[  618.594946] RDX: 00007ffd5fe7ead0 RSI: 00000000c0185879 RDI:
0000000000000004
[  618.594950] RBP: ffffc9000112ff88 R08: 000000159f84e9a0 R09:
0000000000000000
[  618.594953] R10: 000000000000000a R11: 0000000000000246 R12:
00007ff0c12f8250
[  618.594957] R13: 0000000000000000 R14: 000000159f849800 R15:
0000000000000004
[  618.594963]  ? __this_cpu_preempt_check+0x13/0x20
[  618.594976] OOM killer enabled.

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