Deadlock with vmtoolsd, frozen filesystems and autofs
Issue
- System log reporting blocked tasks list this:
INFO: task rs:main Q:Reg:3335 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
rs:main Q:Reg D ffff810009004420 0 3335 1 3336 3334 (NOTLB)
ffff81043161fce8 0000000000000086 ffff81043bd9d040 0000000000000000
ffff81043c2bcb00 000000000000000a ffff81043bd9d040 ffffffff8031db60
00025329f643f7ba 00000000000070db ffff81043bd9d228 00000000880317c5
Call Trace:
[<ffffffff800164fc>] __generic_file_aio_write_nolock+0x11f/0x3b6
[<ffffffff800a3ce0>] autoremove_wake_function+0x0/0x2e
[<ffffffff80021e0d>] generic_file_aio_write+0x67/0xc3
[<ffffffff8804c372>] :ext3:ext3_file_write+0x16/0x91
[<ffffffff800183d1>] do_sync_write+0xc7/0x104
[<ffffffff800a3ce0>] autoremove_wake_function+0x0/0x2e
[<ffffffff80016b4e>] vfs_write+0xce/0x174
[<ffffffff80017417>] sys_write+0x45/0x6e
[<ffffffff8005d29e>] tracesys+0xd5/0xdf
Environment
- Red Hat Enterprise Linux 5.9
- vmtoolsd
- autofs
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