Re: [Iscsitarget-devel] Hard Lock with Ubuntu 7.10

[netrat <ne...@gm...>]

Ming Zhang-3 wrote:
> 
> you should be able to enable NMI and let watchdog to detect the lock up
> and try from there. compile kernel with some debug options might also
> helps.
> 

I enabled the NMI watchdog... Is this the output I'm looking for?

Apr  8 02:12:31 riverhouse kernel: [ 3347.255595] Pid: 5412, comm: istd3 Not
tainted (2.6.24.4netratAPIC #2)
Apr  8 02:12:31 riverhouse kernel: [ 3347.255601] EIP: 0060:[<c02473b8>]
EFLAGS: 00000286 CPU: 0
Apr  8 02:12:31 riverhouse kernel: [ 3347.255618] EIP is at
sk_stream_wait_memory+0x165/0x1a9
Apr  8 02:12:31 riverhouse kernel: [ 3347.255623] EAX: fffffff5 EBX:
df5e3000 ECX: e7a19cf4 EDX: f3d5a198
Apr  8 02:12:31 riverhouse kernel: [ 3347.255628] ESI: dfb50000 EDI:
f3d5a180 EBP: e7a19e9c ESP: e7a19d0c
Apr  8 02:12:31 riverhouse kernel: [ 3347.255633]  DS: 007b ES: 007b FS:
0000 GS: 0000 SS: 0068
Apr  8 02:12:31 riverhouse kernel: [ 3347.255637] CR0: 8005003b CR2:
f8ea71d7 CR3: 1f87b000 CR4: 00000690
Apr  8 02:12:31 riverhouse kernel: [ 3347.255642] DR0: 00000000 DR1:
00000000 DR2: 00000000 DR3: 00000000
Apr  8 02:12:31 riverhouse kernel: [ 3347.255646] DR6: ffff0ff0 DR7:
00000400
Apr  8 02:12:31 riverhouse kernel: [ 3347.255651]  [<c02727ec>]
tcp_sendmsg+0x5fa/0xb62
Apr  8 02:12:31 riverhouse kernel: [ 3347.255659]  [<c012e750>]
update_wall_time+0x279/0x7a3
Apr  8 02:12:31 riverhouse kernel: [ 3347.255711]  [<c012e750>]
update_wall_time+0x279/0x7a3
Apr  8 02:12:31 riverhouse kernel: [ 3347.255765]  [<c0115192>]
update_curr+0x64/0xe8
Apr  8 02:12:31 riverhouse kernel: [ 3347.255809]  [<c023fc42>]
sock_sendmsg+0xda/0xf5
Apr  8 02:12:31 riverhouse kernel: [ 3347.255873]  [<c012a2f0>]
autoremove_wake_function+0x0/0x37
Apr  8 02:12:31 riverhouse kernel: [ 3347.255893]  [<c0115435>]
__update_rq_clock+0x19/0x128
Apr  8 02:12:31 riverhouse kernel: [ 3347.255911]  [<c0115192>]
update_curr+0x64/0xe8
Apr  8 02:12:31 riverhouse kernel: [ 3347.255939]  [<c0115074>]
sched_slice+0xf/0x3b
Apr  8 02:12:31 riverhouse kernel: [ 3347.255956]  [<c0118432>]
task_tick_fair+0x15/0x5b
Apr  8 02:12:31 riverhouse kernel: [ 3347.255997]  [<c011bb52>]
profile_tick+0x2d/0x55
Apr  8 02:12:31 riverhouse kernel: [ 3347.256013]  [<c0131457>]
tick_handle_periodic+0xf/0x68
Apr  8 02:12:31 riverhouse kernel: [ 3347.256026]  [<c02b4ce0>]
notifier_call_chain+0x30/0x5b
Apr  8 02:12:31 riverhouse kernel: [ 3347.256050]  [<c0240ff3>]
kernel_sendmsg+0x27/0x35
Apr  8 02:12:31 riverhouse kernel: [ 3347.256062]  [<c0241935>]
sock_no_sendpage+0x56/0x69
Apr  8 02:12:31 riverhouse kernel: [ 3347.256126]  [<c0271c00>]
tcp_sendpage+0x3e/0x630
Apr  8 02:12:31 riverhouse kernel: [ 3347.256138]  [<c0241762>]
release_sock+0xc/0x77
Apr  8 02:12:31 riverhouse kernel: [ 3347.256155]  [<c0271b62>]
tcp_ioctl+0xd5/0x135
Apr  8 02:12:31 riverhouse kernel: [ 3347.256168]  [<c0271a8d>]
tcp_ioctl+0x0/0x135
Apr  8 02:12:31 riverhouse kernel: [ 3347.256173]  [<c028d0fe>]
inet_ioctl+0x2f/0x6f
Apr  8 02:12:31 riverhouse kernel: [ 3347.256207]  [<f8edbc48>]
istd+0x8c6/0xfc1 [iscsi_trgt]
Apr  8 02:12:31 riverhouse kernel: [ 3347.256256]  [<c011520f>]
update_curr+0xe1/0xe8
Apr  8 02:12:31 riverhouse kernel: [ 3347.256330]  [<c0271bc2>]
tcp_sendpage+0x0/0x630
Apr  8 02:12:31 riverhouse kernel: [ 3347.256350]  [<c011520f>]
update_curr+0xe1/0xe8
Apr  8 02:12:32 riverhouse kernel: [ 3347.256413]  [<f8edb382>]
istd+0x0/0xfc1 [iscsi_trgt]
Apr  8 02:12:32 riverhouse kernel: [ 3347.256427]  [<c012a03d>]
kthread+0x33/0x54
Apr  8 02:12:32 riverhouse kernel: [ 3347.256434]  [<c012a00a>]
kthread+0x0/0x54
Apr  8 02:12:32 riverhouse kernel: [ 3347.256447]  [<c010480b>]
kernel_thread_helper+0x7/0x1c
Apr  8 02:12:32 riverhouse kernel: [ 3347.256476]  =======================

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