System crash at sd_release+0x22 while using EMC PowerPath
Issue
- System crashes with below backtrace while using EMC PowerPath
PID: 104662 TASK: ffff880f4af68000 CPU: 13 COMMAND: "lvm"
#0 [ffff88102a66b858] machine_kexec at ffffffff8105c4cb
#1 [ffff88102a66b8b8] __crash_kexec at ffffffff81104a32
#2 [ffff88102a66b988] crash_kexec at ffffffff81104b20
#3 [ffff88102a66b9a0] oops_end at ffffffff816ad278
#4 [ffff88102a66b9c8] no_context at ffffffff8169d29a
#5 [ffff88102a66ba18] __bad_area_nosemaphore at ffffffff8169d330
#6 [ffff88102a66ba60] bad_area_nosemaphore at ffffffff8169d49a
#7 [ffff88102a66ba70] __do_page_fault at ffffffff816b013e
#8 [ffff88102a66bad0] do_page_fault at ffffffff816b02e5
#9 [ffff88102a66bb00] page_fault at ffffffff816ac508
[exception RIP: sd_release+0x22]
RIP: ffffffffc038e742 RSP: ffff88102a66bbb8 RFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88102a66bfd8
RDX: 0000000000000001 RSI: 0000000000000083 RDI: ffff88105c376000
RBP: ffff88102a66bbc8 R8: ffff88085c2df840 R9: 000000018080001b
R10: 000000005c2df401 R11: ffffea002170b7c0 R12: ffff880840d68358
R13: ffff88105c376000 R14: 0000000000000083 R15: 0000000000000000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#10 [ffff88102a66bbd0] __blkdev_put at ffffffff8123e7bc
#11 [ffff88102a66bc10] blkdev_put at ffffffff8123f14c
#12 [ffff88102a66bc38] dm_put_table_device at ffffffffc0001453 [dm_mod]
#13 [ffff88102a66bc60] dm_put_device at ffffffffc0004924 [dm_mod]
#14 [ffff88102a66bc80] linear_dtr at ffffffffc0007546 [dm_mod]
#15 [ffff88102a66bc98] dm_table_destroy at ffffffffc00056c0 [dm_mod]
#16 [ffff88102a66bcd8] dev_suspend at ffffffffc0009736 [dm_mod]
#17 [ffff88102a66bd08] ctl_ioctl at ffffffffc000a015 [dm_mod]
#18 [ffff88102a66bea0] dm_ctl_ioctl at ffffffffc000a343 [dm_mod]
#19 [ffff88102a66beb0] do_vfs_ioctl at ffffffff812151cd
#20 [ffff88102a66bf30] sys_ioctl at ffffffff81215471
#21 [ffff88102a66bf80] system_call_fastpath at ffffffff816b4fc9
RIP: 00007f1761e21107 RSP: 00007ffdeda4a138 RFLAGS: 00000246
RAX: 0000000000000010 RBX: ffffffff816b4fc9 RCX: ffffffffffffffff
RDX: 000055e6b79a6800 RSI: 00000000c138fd06 RDI: 0000000000000003
RBP: 00007f176258a933 R8: 00007f176258b428 R9: 00007ffdeda49cf0
R10: 000000000000000f R11: 0000000000000246 R12: 00007ffdeda49f50
R13: 000055e6b798d1b0 R14: 00007f176258a933 R15: 00007f176258a933
ORIG_RAX: 0000000000000010 CS: 0033 SS: 002b
Environment
- Red Hat Enterprise Linux 7
- kernel-3.10.0-693.el7
- EMCpower.LINUX-6.2.0.00.00-051.el7
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