ide__sti induced deadlock?

From: Zwane Mwaikambo (zwane@linuxpower.ca)
Date: Sun Jul 07 2002 - 05:55:11 EST

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Hi Bart, Martin
This looks like it might be the work of ide__sti

CPU: 0
EIP: 0010:[<c02507f1>] Not tainted
EFLAGS: 00000086
eax: c0256a90 ebx: c15d2d34 ecx: c15d2ce4 edx: cd5b1de8
esi: c0455d9c edi: cd5b0000 ebp: 0000000f esp: cd5b1d84
ds: 0018 es: 0018 ss: 0018
Process kjournald (pid: 686, threadinfo=cd5b0000 task=cdb40080)
Stack: c0256a90 00000286 c15d2ce4 00000000 04000001 0000000f c0109bae 0000000f
       c0455d9c cd5b1de8 cd5b0000 c03ea9e0 c03ea9f0 0000000f c0109f1b 0000000f
       cd5b1de8 c15d2ce4 c15d2ce4 00000000 cd5b0000 c0455ee4 cd5b0000 c0430c40
Call Trace: [<c0256a90>] [<c0109bae>] [<c0109f1b>] [<c0107efa>] [<c0230dbf>]
   [<c023113d>] [<c014b235>] [<c0117730>] [<c0188ba0>] [<c01175cb>] [<c0117730>]

[<c018b386>] [<c018b140>] [<c01057f6>] [<c018b160>]

Code: 80 3b 00 f3 90 7e f9 e9 33 fb ff ff 80 3f 00 f3 90 7e f9 e9

>>EIP; c02507f1 <.text.lock.ide+3c/6b> <=====
Trace; c0256a90 <task_out_intr+0/210>
Trace; c0109bae <handle_IRQ_event+5e/90>
Trace; c0109f1b <do_IRQ+11b/1e0>
Trace; c0107efa <common_interrupt+22/28>
Trace; c0230dbf <generic_unplug_device+14f/170>
Trace; c023113d <blk_run_queues+13d/150>
Trace; c014b235 <__wait_on_buffer+65/a0>
Trace; c0117730 <default_wake_function+0/40>
Trace; c0188ba0 <journal_commit_transaction+ea0/1485>
Trace; c01175cb <schedule+3cb/4f0>
Trace; c0117730 <default_wake_function+0/40>
Trace; c018b386 <kjournald+226/360>
Trace; c018b140 <commit_timeout+0/10>
Trace; c01057f6 <kernel_thread+26/30>
Trace; c018b160 <kjournald+0/360>
Code; c02507f1 <.text.lock.ide+3c/6b>
00000000 <_EIP>:
Code; c02507f1 <.text.lock.ide+3c/6b> <=====
   0: 80 3b 00 cmpb $0x0,(%ebx) <=====
Code; c02507f4 <.text.lock.ide+3f/6b>
   3: f3 90 repz nop
Code; c02507f6 <.text.lock.ide+41/6b>
   5: 7e f9 jle 0 <_EIP>
Code; c02507f8 <.text.lock.ide+43/6b>
   7: e9 33 fb ff ff jmp fffffb3f <_EIP+0xfffffb3f> c0250330
<ata_irq_request+50/230>
Code; c02507fd <.text.lock.ide+48/6b>
   c: 80 3f 00 cmpb $0x0,(%edi)
Code; c0250800 <.text.lock.ide+4b/6b>
   f: f3 90 repz nop
Code; c0250802 <.text.lock.ide+4d/6b>
  11: 7e f9 jle c <_EIP+0xc> c02507fd
<.text.lock.ide+48/6b>
Code; c0250804 <.text.lock.ide+4f/6b>
  13: e9 00 00 00 00 jmp 18 <_EIP+0x18> c0250809
<.text.lock.ide+54/6b>

-- function.linuxpower.ca

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Next message: Thunder from the hill: "Re: ata_special_intr, ide_do_drive_cmd deadlock"
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