From: bugzilla-daemon@bugzilla.kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 36262] ext3 umount: BUG: unable to handle kernel paging request
Date: Wed, 1 Jun 2011 05:57:10 GMT [thread overview]
Message-ID: <201106010557.p515vAiw016102@demeter2.kernel.org> (raw)
In-Reply-To: <bug-36262-13602@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=36262
--- Comment #2 from Roger Luethi <rl@hellgate.ch> 2011-06-01 05:57:06 ---
Dump of assembler code for function __percpu_counter_add:
0xc0391638 <+0>: push %ebp
0xc0391639 <+1>: mov %esp,%ebp
0xc039163b <+3>: push %edi
0xc039163c <+4>: mov %eax,%edi
0xc039163e <+6>: push %esi
0xc039163f <+7>: mov $0x1,%eax
0xc0391644 <+12>: push %ebx
0xc0391645 <+13>: sub $0x14,%esp
0xc0391648 <+16>: mov %edx,-0x18(%ebp)
0xc039164b <+19>: mov %ecx,-0x1c(%ebp)
0xc039164e <+22>: call 0xc05bdf1d <add_preempt_count>
0xc0391653 <+27>: mov 0x30(%edi),%eax
0xc0391656 <+30>: mov -0x18(%ebp),%edx
0xc0391659 <+33>: mov %eax,-0x20(%ebp)
0xc039165c <+36>: mov -0x1c(%ebp),%ecx
0xc039165f <+39>: mov %fs:(%eax),%ebx
0xc0391662 <+42>: mov 0x8(%ebp),%eax
0xc0391665 <+45>: mov %ebx,%esi
0xc0391667 <+47>: mov %eax,-0x14(%ebp)
0xc039166a <+50>: sar $0x1f,%esi
0xc039166d <+53>: add %edx,%ebx
0xc039166f <+55>: adc %ecx,%esi
0xc0391671 <+57>: cltd
0xc0391672 <+58>: mov %edx,-0x10(%ebp)
0xc0391675 <+61>: cmp %edx,%esi
0xc0391677 <+63>: jl 0xc0391686 <__percpu_counter_add+78>
0xc0391679 <+65>: jg 0xc039167f <__percpu_counter_add+71>
0xc039167b <+67>: cmp %eax,%ebx
0xc039167d <+69>: jb 0xc0391686 <__percpu_counter_add+78>
0xc039167f <+71>: mov $0x1,%edx
0xc0391684 <+76>: jmp 0xc03916a9 <__percpu_counter_add+113>
0xc0391686 <+78>: mov 0x8(%ebp),%edx
0xc0391689 <+81>: neg %edx
0xc039168b <+83>: mov %edx,%ecx
0xc039168d <+85>: mov %edx,-0x14(%ebp)
0xc0391690 <+88>: sar $0x1f,%ecx
0xc0391693 <+91>: mov $0x1,%edx
0xc0391698 <+96>: mov %ecx,-0x10(%ebp)
0xc039169b <+99>: cmp -0x10(%ebp),%esi
0xc039169e <+102>: jl 0xc03916a9 <__percpu_counter_add+113>
0xc03916a0 <+104>: jg 0xc03916a7 <__percpu_counter_add+111>
0xc03916a2 <+106>: cmp -0x14(%ebp),%ebx
0xc03916a5 <+109>: jbe 0xc03916a9 <__percpu_counter_add+113>
0xc03916a7 <+111>: xor %edx,%edx
0xc03916a9 <+113>: mov -0x3f65dc64(,%edx,4),%ecx
0xc03916b0 <+120>: inc %ecx
0xc03916b1 <+121>: test %edx,%edx
0xc03916b3 <+123>: mov %ecx,-0x3f65dc64(,%edx,4)
0xc03916ba <+130>: je 0xc03916dc <__percpu_counter_add+164>
0xc03916bc <+132>: mov %edi,%eax
0xc03916be <+134>: call 0xc05b923a <_raw_spin_lock>
0xc03916c3 <+139>: add %ebx,0x20(%edi)
0xc03916c6 <+142>: mov 0x30(%edi),%eax
0xc03916c9 <+145>: adc %esi,0x24(%edi)
0xc03916cc <+148>: movl $0x0,%fs:(%eax)
0xc03916d3 <+155>: mov %edi,%eax
0xc03916d5 <+157>: call 0xc05b9ce5 <_raw_spin_unlock>
0xc03916da <+162>: jmp 0xc03916e2 <__percpu_counter_add+170>
0xc03916dc <+164>: mov -0x20(%ebp),%eax
0xc03916df <+167>: mov %ebx,%fs:(%eax)
0xc03916e2 <+170>: mov $0x1,%eax
0xc03916e7 <+175>: call 0xc05bdd76 <sub_preempt_count>
0xc03916ec <+180>: xor %ecx,%ecx
0xc03916ee <+182>: mov %esp,%eax
0xc03916f0 <+184>: and $0xffffe000,%eax
0xc03916f5 <+189>: mov 0x8(%eax),%ebx
0xc03916f8 <+192>: mov $0xc08ee9a8,%eax
0xc03916fd <+197>: shr $0x3,%ebx
0xc0391700 <+200>: and $0x1,%ebx
0xc0391703 <+203>: mov %ebx,%edx
0xc0391705 <+205>: call 0xc01e513f <ftrace_likely_update>
0xc039170a <+210>: mov -0x3f65dc78(,%ebx,4),%eax
0xc0391711 <+217>: inc %eax
0xc0391712 <+218>: test %ebx,%ebx
0xc0391714 <+220>: mov %eax,-0x3f65dc78(,%ebx,4)
0xc039171b <+227>: je 0xc0391722 <__percpu_counter_add+234>
0xc039171d <+229>: call 0xc05b6228 <preempt_schedule>
0xc0391722 <+234>: add $0x14,%esp
0xc0391725 <+237>: pop %ebx
0xc0391726 <+238>: pop %esi
0xc0391727 <+239>: pop %edi
0xc0391728 <+240>: leave
0xc0391729 <+241>: ret
End of assembler dump.
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next prev parent reply other threads:[~2011-06-01 5:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-30 15:16 [Bug 36262] New: ext3 umount: BUG: unable to handle kernel paging request bugzilla-daemon
2011-05-31 18:21 ` [Bug 36262] " bugzilla-daemon
2011-06-01 5:57 ` bugzilla-daemon [this message]
2011-06-02 10:23 ` bugzilla-daemon
2011-06-02 11:44 ` bugzilla-daemon
2012-08-24 12:50 ` bugzilla-daemon
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