Re: [dm-devel] 2.6.32.28 - md resync + pvmove - crash

[Christian May <christian_may de ibm com>]

Hi,

currently I have a ppc64 IBM blade running
with RHEL6.1 RC2 (2.6.32-131.0.13.el6.ppc64). Twelve multipath devices
are attached and I/O is running.
I've checked dmesg and found:

[root elm8a211 ~]# dmesg
INFO: task kjournald:7938 blocked for
more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
kjournald     D 0000000000000000
    0  7938      2 0x00008080
Call Trace:
[c0000003c82f3420] [c0000003c82f34d0]
0xc0000003c82f34d0 (unreliable)
[c0000003c82f35f0] [c000000000014288]
.__switch_to+0xf8/0x1d0
[c0000003c82f3680] [c00000000059cc18]
.schedule+0x408/0xd30
[c0000003c82f3960] [c00000000059d5d0]
.io_schedule+0x90/0x110
[c0000003c82f39f0] [c0000000001fc2f8]
.sync_buffer+0x68/0x80
[c0000003c82f3a60] [c00000000059e104]
.__wait_on_bit+0xb4/0x130
[c0000003c82f3b10] [c00000000059e1f0]
.out_of_line_wait_on_bit+0x70/0x90
[c0000003c82f3bf0] [c0000000001fc1b0]
.__wait_on_buffer+0x30/0x50
[c0000003c82f3c70] [d000000004043bc4]
.journal_commit_transaction+0x624/0x1630 [jbd]
[c0000003c82f3de0] [d0000000040488fc]
.kjournald+0x11c/0x330 [jbd]
[c0000003c82f3ed0] [c0000000000bb02c]
.kthread+0xbc/0xd0
[c0000003c82f3f90] [c0000000000323f4]
.kernel_thread+0x54/0x70
[root elm8a211 ~]# 

I have no idea where it's coming from..system
i still up'n running.


Best regards,

Christian May
IBM