[openib-general] oops on trunk

[Michael S. Tsirkin]

Here's another oops while unloading modules:

Unable to handle kernel paging request at ffffffff8803d8ad RIP:
[<ffffffff8803d8ad>]
PGD 103027 PUD 105027 PMD 11f99f067 PTE 0
Oops: 0010 [1] SMP
CPU 1
Modules linked in: ib_mthca ib_umad ib_sa ib_mad ib_core
Pid: 12364, comm: modprobe Not tainted 2.6.16 #1
RIP: 0010:[<ffffffff8803d8ad>] [<ffffffff8803d8ad>]
RSP: 0000:ffff810118835d80  EFLAGS: 00010246
RAX: 0000000000000005 RBX: ffff810118835e10 RCX: ffffffff8801996e
RDX: ffff81011fe11c00 RSI: 0000000000000000 RDI: 00000000fffffffc
RBP: ffff81010fee5c90 R08: ffff8101199d9d00 R09: 0000000000000000
R10: ffff81011fc227c8 R11: ffff81011c70e8c0 R12: 00000000fffffffc
R13: 0000000000000000 R14: 0000000000000080 R15: 0000000000000000
FS:  00002b68af872b00(0000) GS:ffff81011fc74bc0(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffffffff8803d8ad CR3: 00000001094a4000 CR4: 00000000000006e0
Process modprobe (pid: 12364, threadinfo ffff810118834000, task ffff81011fe56f00)
Stack: ffffffff880199ae ffff810109461040 ffff81011fe57120 0000000000000008
       ffff810118835e78 ffffffff8049f880 ffff810118835e78 0000000000000080
       0000000000000000 ffff810118835e10
Call Trace: <ffffffff880199ae>{:ib_sa:ib_sa_mcmember_rec_callback+64}
       <ffffffff88019a0a>{:ib_sa:send_handler+74} <ffffffff88010352>{:ib_mad:ib_unregister_mad_agent+366}
       <ffffffff803fd02f>{cond_resched+76} <ffffffff88019cc9>{:ib_sa:ib_sa_remove_one+71}
       <ffffffff880040da>{:ib_core:ib_unregister_client+64}
       <ffffffff88019d09>{:ib_sa:ib_sa_cleanup+13} <ffffffff801480df>{sys_delete_module+481}
       <ffffffff80237f51>{__up_write+20} <ffffffff80160f9c>{sys_munmap+80}
       <ffffffff8010a79a>{system_call+126}

Code:  Bad RIP value.
RIP [<ffffffff8803d8ad>] RSP <ffff810118835d80>
CR2: ffffffff8803d8ad


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MST