[openib-general] panic: ib_sa_mcmember_rec_callback

[Shirley Ma]

Did anyone see below panic before? I hit this panic, after I've updated 
the stack to the most recent one, it couldn't be reproducible. I guess 
some recent checkin has fixed this problem.

==============================
Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=128 NUMA PSERIES LPAR
Modules linked in: ib_ipoib ib_sa tg3 evdev joydev st sd_mod sr_mod ipv6 
ohci_hcd ib_mthca ib_mad ib_core usbcore sg scsi_mod dm_mod
NIP: D0000000002BF204 XER: 20000000 LR: D0000000002BE948 CTR: D00000 
00002BF198
REGS: c00000001d4c76a0 TRAP: 0300   Not tainted  (2.6.11.7)
MSR: 8000000000009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 CR: 24004042
DAR: 0000000000000000 DSISR: 0000000040000000
TASK: c00000000f212030[3964] 'ib_mad1' THREAD: c00000001d4c4000 CPU:  0
GPR00: D0000000002BE948 C00000001D4C7920 D0000000002CEAD8 FFFFFFFFFF 
FFFFFC
GPR04: 0000000000000000 C00000001A9D8680 C00000001D4C7990 C00000000F 
6E4AC0
GPR08: C000000001429998 0000000000000000 0000000000000000 0000000000 
000000
GPR12: D0000000002BF8A0 C000000000499C00 0000000000000000 0000000000 
000000
GPR16: 0000000000000000 0000000000000000 0000000001C00000 0000000002 
033C28
GPR20: 0000000002033C28 BFFFFFFFFE400000 0000000001A1F9F0 C000000007 
068040
GPR24: 0000000000000001 8000000000009032 C000000002855410 FFFFFFFFFF 
FFFFFC
GPR28: C0000000131C4690 C0000000131C4680 D0000000002CE880 C00000001D 
4C7920
NIP [d0000000002bf204] .ib_sa_mcmember_rec_callback+0x6c/0xc4 [ib_sa ]
LR [d0000000002be948] .send_handler+0xb8/0x190 [ib_sa]
Call Trace:
[c00000001d4c7920] [c00000001d4c7970] 0xc00000001d4c7970 (unreliable )
[c00000001d4c7a10] [d0000000002be948] .send_handler+0xb8/0x190 [ib_s a]
[c00000001d4c7ab0] [d0000000002d640c] .ib_mad_complete_send_wr+0x31c 
/0x324 [ib_mad]
[c00000001d4c7b60] [d0000000002d6478] .ib_mad_send_done_handler+0x64 
/0x1f0 [ib_mad]
[c00000001d4c7c20] [d0000000002d6ad0] .ib_mad_completion_handler+0x2 
28/0xa48 [ib_mad]
[c00000001d4c7da0] [c00000000006d150] .worker_thread+0x258/0x32c
[c00000001d4c7ed0] [c000000000074640] .kthread+0x18c/0x1e0
[c00000001d4c7f90] [c0000000000142b8] .kernel_thread+0x4c/0x6c
Instruction dump:
38800013 7f63db78 3bbcfff0 38df0070 419e0068 e87e8088 480008f5 e8410 028
e93cfff0 e8bd0008 7f63db78 389f0070 <e8090000> f8410028 60000000 600 00000


Shirley Ma
IBM Linux Technology Center
15300 SW Koll Parkway
Beaverton, OR 97006-6063
Phone(Fax): (503) 578-7638

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