On Tue, 2007-03-27 at 12:03 -0700, Sean Hefty wrote: > How easily can you reproduce this? I'm assuming that this is with OFED 1.2 on > 2.6.20, correct? yes > Can you describe what you were doing when this crash occurred? opensm was running on the other computer running SDP programs > Thanks, > Sean > > >Unable to handle kernel NULL pointer dereference at 0000000000000038 > >RIP: > > [<ffffffff8801021f>] :ib_mad:ib_unregister_mad_agent+0x11/0x480 > >PGD 73387067 PUD 72844067 PMD 0 > >Oops: 0000 [1] SMP > >CPU 0 > >Modules linked in: ib_madeye i2c_dev i2c_core ib_sdp rdma_cm iw_cm > >ib_addr ib_local_sa ib_uverbs ib_umad ib_mthca ib_ipoib ib_cm ib_sa > >ib_mad ib_core > >Pid: 8917, comm: rmmod Not tainted 2.6.20 #1 > >RIP: 0010:[<ffffffff8801021f>] > >[<ffffffff8801021f>] :ib_mad:ib_unregister_mad_agent+0x11/0x480 > >RSP: 0000:ffff810071ee1e08 EFLAGS: 00010292 > >RAX: 0000000000000000 RBX: 0000000000000020 RCX: 000000000000003f > >RDX: ffff810077ebd6c0 RSI: 0000000000000202 RDI: 0000000000000000 > >RBP: 0000000000000000 R08: ffff810077ebd728 R09: 0000000000000003 > >R10: 0000000000000000 R11: 0000000000000000 R12: ffff8100766c33c0 > >R13: 0000000000000002 R14: 0000000000000880 R15: 0000000000503010 > >FS: 00002b3d6689fb00(0000) GS:ffffffff80702000(0000) > >knlGS:0000000000000000 > >CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > >CR2: 0000000000000038 CR3: 0000000071086000 CR4: 00000000000006e0 > >Process rmmod (pid: 8917, threadinfo ffff810071ee0000, task > >ffff8100781aeee0) > >Stack: ffff810071ee1e18 ffffffff8022b92f ffff810071ee1e28 > >ffffffff80538b43 > > ffff810071ee1ea8 ffffffff80538ea2 ffffffff80690880 ffff810071ee1e78 > > 000000000000000f 0000000000000020 0000000000000002 ffff8100766c33c0 > >Call Trace: > > [<ffffffff8022b92f>] __cond_resched+0x1c/0x44 > > [<ffffffff80538b43>] cond_resched+0x2e/0x39 > > [<ffffffff80538ea2>] wait_for_completion+0x1a/0xd0 > > [<ffffffff88093cf2>] :ib_madeye:madeye_remove_one+0x56/0x88 > > [<ffffffff880041aa>] :ib_core:ib_unregister_client+0x40/0xe2 > > [<ffffffff8024ae86>] sys_delete_module+0x1b4/0x1e5 > > [<ffffffff80340065>] add_uevent_var+0x40/0xe3 > > [<ffffffff8026613f>] sys_munmap+0x4b/0x58 > > [<ffffffff8020959e>] system_call+0x7e/0x83 > > > > > >Code: 83 7f 38 00 0f 84 fd 03 00 00 48 8d 44 24 20 4c 8d 67 f0 48 > >RIP [<ffffffff8801021f>] :ib_mad:ib_unregister_mad_agent+0x11/0x480 > > RSP <ffff810071ee1e08> > >CR2: 0000000000000038
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