System rebooted after hung_task_timeout_secs messages.

Solution Unverified - Updated -

Issue

  • System rebooted after following messages
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
gablogd       D ffffffff80153806     0  8419      1          8462  8416 (NOTLB)
 ffff81037ec3fe38 0000000000000082 0000000000000000 ffff810375ed8830
 ffff81037ec3fde8 0000000000000001 ffff81037d2dd7e0 ffff810283947820
 000000433158f048 000000000001913e ffff81037d2dd9c8 00000001f7727004
Call Trace:
 [<ffffffff88ce678a>] :gab:gab_linux_sv_wait+0x53/0x68
 [<ffffffff8008e40a>] default_wake_function+0x0/0xe
 [<ffffffff88cd0538>] :gab:gab_daemonlog+0xb1d/0xc8e
 [<ffffffff88ce636c>] :gab:gab_linux_ioctl+0x10e/0x1a3
 [<ffffffff88ce641d>] :gab:gab_linux_compat_ioctl+0x1c/0x20
 [<ffffffff800fd5f3>] compat_sys_ioctl+0xc5/0x2b1
 [<ffffffff8006149d>] sysenter_do_call+0x1e/0x76

Environment

  • Red Hat Enterprise Linux 5.6
  • gab kernel module

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