rwsem_down_failed_common でシステムがハングアップする
Issue
- hung_task_panic でシステムがクラッシュします。
INFO: task java:30647 blocked for more than 120 seconds.
Not tainted 2.6.32-504.23.4.el6.x86_64 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
java D 0000000000000000 0 30647 9668 0x00000080
ffff88014218be18 0000000000000086 00007fbe0c086000 ffff88010cf1c8c0
0000000000000b28 000000004f09e6ac ffff88014218bd88 0000000000000000
0000000000000001 00007fbe0c086b28 ffff8800937385f8 ffff88014218bfd8
Call Trace:
#0 [ffff88022c9cdcb0] schedule at ffffffff815299d0
#1 [ffff88022c9cdd88] rwsem_down_failed_common at ffffffff8152cb45
#2 [ffff88022c9cdde8] rwsem_down_read_failed at ffffffff8152ccd6
#3 [ffff88022c9cde28] call_rwsem_down_read_failed at ffffffff81298e84
#4 [ffff88022c9cde90] sys_madvise at ffffffff8114980c
#5 [ffff88022c9cdf80] system_call_fastpath at ffffffff8100b0f2
RIP:00000037fc2e53c7 RSP:00007fbe10c28b60 RFLAGS:00000206
RAX:000000000000001c RBX: ffffffff8100b0f2 RCX:0000000000000000
RDX:0000000000000004 RSI:0000000000032000 RDI:00007fbdec0e2000
RBP:00007fbdec0c10b0 R8:0000000000000000 R9:00000000000077e4
R10:0000000000052f50 R11:0000000000000246 R12:00007fbdec000020
R13:00000000000e2000 R14:00007fbdec000020 R15:0000000000032000
ORIG_RAX:000000000000001c CS:0033 SS:002b
Environment
- Red Hat Enterprise Linux 6
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