[openib-general] crash in mthca soon after loading drivers

[Sean Hefty]

I'm getting the following bug in mthca when loading the drivers (core, 
mad, and mthca).  The system is attached to a fabric with opensm 
running on top of the Mellanox gold software stack.  I hit this when 
running with the tip of openib.  Any help would be, well, helpful.

- Sean
Dec  8 14:53:47 mshefty-linux2 kernel: kernel BUG at 
drivers/infiniband/hw/mthca/mthca_cmd.c:328!
Dec  8 14:53:47 mshefty-linux2 kernel: invalid operand: 0000 [#1]
Dec  8 14:53:47 mshefty-linux2 kernel: SMP
Dec  8 14:53:47 mshefty-linux2 kernel: Modules linked in: ib_mthca 
ib_mad ib_core edd st sr_mod ide_cd cdrom thermal processor fan button 
battery ac e100 mii e1000 hw_random uhci_hcd usbcore evdev reiserfs 
aic7xxx sd_mod scsi_mod
Dec  8 14:53:47 mshefty-linux2 kernel: CPU:    0
Dec  8 14:53:47 mshefty-linux2 kernel: EIP: 
0060:[pg0+948359147/1069220864]    Not tainted VLI
Dec  8 14:53:47 mshefty-linux2 kernel: EIP:    0060:[<f8cbafeb>]    Not 
tainted VLI
Dec  8 14:53:47 mshefty-linux2 kernel: EFLAGS: 00010286   (2.6.9)
Dec  8 14:53:47 mshefty-linux2 kernel: EIP is at 
mthca_cmd_wait+0x19b/0x1b0 [ib_mthca]
Dec  8 14:53:47 mshefty-linux2 kernel: eax: f6b245a0   ebx: f6b24584 
ecx: f6b24584   edx: ffffffff
Dec  8 14:53:47 mshefty-linux2 kernel: esi: 32b50000   edi: f6b24324 
ebp: f6b245a0   esp: f29d7e34
Dec  8 14:53:47 mshefty-linux2 kernel: ds: 007b   es: 007b   ss: 0068
Dec  8 14:53:47 mshefty-linux2 kernel: Process ib_mad1 (pid: 9900, 
threadinfo=f29d6000 task=f744a710)
Dec  8 14:53:47 mshefty-linux2 kernel: Stack: 00000024 32b50000 
00000000 f6b24324 32b50000 00000000 0000ea60 f8cbb058
Dec  8 14:53:47 mshefty-linux2 kernel:        f29d7e70 00000000 
00000001 00000000 00000024 0000ea60 f29d7edb 32b50100
Dec  8 14:53:47 mshefty-linux2 kernel:        00000000 00000001 
00000000 f2b50100 f2b50000 f8cbd265 32b50100 00000000
Dec  8 14:53:47 mshefty-linux2 kernel: Call Trace:
Dec  8 14:53:47 mshefty-linux2 kernel:  [pg0+948359256/1069220864] 
mthca_cmd_box+0x58/0x90 [ib_mthca]
Dec  8 14:53:47 mshefty-linux2 kernel:  [<f8cbb058>] 
mthca_cmd_box+0x58/0x90 [ib_mthca]
Dec  8 14:53:47 mshefty-linux2 kernel:  [pg0+948367973/1069220864] 
mthca_MAD_IFC+0x85/0xf0 [ib_mthca]
Dec  8 14:53:47 mshefty-linux2 kernel:  [<f8cbd265>] 
mthca_MAD_IFC+0x85/0xf0 [ib_mthca]
Dec  8 14:53:47 mshefty-linux2 kernel:  [check_poison_obj+45/432] 
check_poison_obj+0x2d/0x1b0
Dec  8 14:53:47 mshefty-linux2 kernel:  [<c0144e4d>] 
check_poison_obj+0x2d/0x1b0
Dec  8 14:53:47 mshefty-linux2 kernel:  [pg0+948399983/1069220864] 
mthca_process_mad+0xcf/0x1c0 [ib_mthca]
Dec  8 14:53:47 mshefty-linux2 kernel:  [<f8cc4f6f>] 
mthca_process_mad+0xcf/0x1c0 [ib_mthca]
Dec  8 14:53:47 mshefty-linux2 kernel:  [pg0+948399776/1069220864] 
mthca_process_mad+0x0/0x1c0 [ib_mthca]
Dec  8 14:53:47 mshefty-linux2 kernel:  [<f8cc4ea0>] 
mthca_process_mad+0x0/0x1c0 [ib_mthca]
Dec  8 14:53:47 mshefty-linux2 kernel:  [pg0+946047120/1069220864] 
ib_mad_recv_done_handler+0xd0/0x230 [ib_mad]
Dec  8 14:53:47 mshefty-linux2 kernel:  [<f8a86890>] 
ib_mad_recv_done_handler+0xd0/0x230 [ib_mad]
Dec  8 14:53:47 mshefty-linux2 kernel:  [pg0+946048724/1069220864] 
ib_mad_completion_handler+0x94/0xa0 [ib_mad]
Dec  8 14:53:47 mshefty-linux2 kernel:  [<f8a86ed4>] 
ib_mad_completion_handler+0x94/0xa0 [ib_mad]
Dec  8 14:53:47 mshefty-linux2 kernel:  [remove_wait_queue+12/64] 
remove_wait_queue+0xc/0x40
Dec  8 14:53:47 mshefty-linux2 kernel:  [<c011f97c>] 
remove_wait_queue+0xc/0x40
Dec  8 14:53:47 mshefty-linux2 kernel:  [worker_thread+424/560] 
worker_thread+0x1a8/0x230
Dec  8 14:53:47 mshefty-linux2 kernel:  [<c01305f8>] 
worker_thread+0x1a8/0x230
Dec  8 14:53:47 mshefty-linux2 kernel:  [pg0+946048576/1069220864] 
ib_mad_completion_handler+0x0/0xa0 [ib_mad]
Dec  8 14:53:47 mshefty-linux2 kernel:  [<f8a86e40>] 
ib_mad_completion_handler+0x0/0xa0 [ib_mad]
Dec  8 14:53:47 mshefty-linux2 kernel:  [default_wake_function+0/16] 
default_wake_function+0x0/0x10
Dec  8 14:53:47 mshefty-linux2 kernel:  [<c011e460>] 
default_wake_function+0x0/0x10
Dec  8 14:53:47 mshefty-linux2 kernel:  [default_wake_function+0/16] 
default_wake_function+0x0/0x10
Dec  8 14:53:47 mshefty-linux2 kernel:  [<c011e460>] 
default_wake_function+0x0/0x10
Dec  8 14:53:47 mshefty-linux2 kernel:  [worker_thread+0/560] 
worker_thread+0x0/0x230
Dec  8 14:53:47 mshefty-linux2 kernel:  [<c0130450>] 
worker_thread+0x0/0x230
Dec  8 14:53:47 mshefty-linux2 kernel:  [kthread+136/176] kthread+0x88/0xb0
Dec  8 14:53:47 mshefty-linux2 kernel:  [<c0134128>] kthread+0x88/0xb0
Dec  8 14:53:47 mshefty-linux2 kernel:  [kthread+0/176] kthread+0x0/0xb0
Dec  8 14:53:47 mshefty-linux2 kernel:  [<c01340a0>] kthread+0x0/0xb0
Dec  8 14:53:47 mshefty-linux2 kernel:  [kernel_thread_helper+5/16] 
kernel_thread_helper+0x5/0x10
Dec  8 14:53:47 mshefty-linux2 kernel:  [<c0105275>] 
kernel_thread_helper+0x5/0x10
Dec  8 14:53:47 mshefty-linux2 kernel: Code: 14 d2 89 d0 c1 e0 09 29 d0 
89 c2 c1 e2 12 01 d0 f7 d8 89 87 84 02 00 00 89 e8 e8 51 92 64 c7 89 da 
83 c4 0c 89 d0 5b 5e 5f 5d c3 <0f> 0b 48 01 40 7b cc f8 e9 c7 fe ff ff 
90 8d b4 26 00 00 00 00
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