[openib-general] [Bug 31] ifconfig up/down while ssh connection alive cause oops

[bugzilla-daemon at openib.org]

http://openib.org/bugzilla/show_bug.cgi?id=31





------- Additional Comments From amitk at mellanox.co.il  2006-04-03 11:02 -------
['Cougar cub\n', 'MHXL-CF128-T\n', 'C-04\n', 'MT0542X00026\n']
ib0: dev_queue_xmit failed to requeue packet
general protection fault: 0000 [1] SMP 
CPU 1 
Modules linked in: nfsd exportfs md5 ipv6 parport_pc lp parport autofs4 i2c_dd
Pid: 1117, comm: ib_mad1 Not tainted 2.6.9-22.ELsmp
RIP: 0010:[<ffffffff80303dfc>] <ffffffff80303dfc>{_spin_lock_irqsave+12}
RSP: 0018:000001007c2afc58  EFLAGS: 00010086
RAX: 000001007c2afcb8 RBX: 0000ffff1b40167f RCX: ffffffffa01043f9
RDX: 000001007b66e8c0 RSI: 0000000000000000 RDI: 0000ffff1b40167f
RBP: 000001007b66e8c0 R08: 00000000fffffffc R09: dead4ead00000001
R10: ffffffff801f51d3 R11: ffffffff801f51d3 R12: 0000000000000000
R13: 0000ffff1b40167f R14: 0000ffff1b4012ff R15: 0000000000000003
FS:  000000000058a1a0(0000) GS:ffffffff804d3180(0000) knlGS:00000000f7fd76c0
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000002a956fb070 CR3: 00000000032d8000 CR4: 00000000000006e0
Process ib_mad1 (pid: 1117, threadinfo 000001007c2ae000, task 000001007da6603)
Stack: 0000000000000000 0000000000000286 0000000000000000 ffffffffa010a74a 
       000001007ba52000 ffffffff804081c0 000001007c2afd68 0000000000000246 
       0000000000000246 ffffffff802a9ab7 
Call Trace:<ffffffffa010a74a>{:ib_ipoib:path_rec_completion+309} 
       <ffffffff802a9ab7>{dev_queue_xmit+525} <ffffffffa0104439>{:ib_sa:ib_sa 
       <ffffffffa01049bc>{:ib_sa:send_handler+74} <ffffffffa007e750>{:ib_mad: 
       <ffffffffa007ecf8>{:ib_mad:ib_mad_completion_handler+993} 
       <ffffffffa007e917>{:ib_mad:ib_mad_completion_handler+0} 
       <ffffffff801464f2>{worker_thread+419} <ffffffff80132e8d>{default_wake_ 
       <ffffffff80132e8d>{default_wake_function+0} <ffffffff8014a190>{keventd 
       <ffffffff8014634f>{worker_thread+0} <ffffffff8014a190>{keventd_create_ 
       <ffffffff8014a167>{kthread+200} <ffffffff80110ca3>{child_rip+8} 
       <ffffffff8014a190>{keventd_create_kthread+0} <ffffffff8014a09f>{kthrea
ffffffff80110c9b>{child_rip+0} 

Code: 81 7f 04 ad 4e ad de 74 1f 48 8b 74 24 18 48 c7 c7 25 d6 31 
RIP <ffffffff80303dfc>{_spin_lock_irqsave+12} RSP <000001007c2afc58>
 <0>Kernel panic - not syncing: Oops



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