http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1582
irwanhadi@xxxxxxxxx changed:
What |Removed |Added
----------------------------------------------------------------------------
Platform|Other |x86-64
------- Comment #2 from irwanhadi@xxxxxxxxx 2010-02-10 22:41 -------
A couple more information, should this help....
=========================================================
crash> dis -lr ffffffff80251680
dis: line numbers are not available
0xffffffff8025166e <find_first_bit>: add $0x3f,%rsi
0xffffffff80251672 <find_first_bit+4>: xor %eax,%eax
0xffffffff80251674 <find_first_bit+6>: mov %rsi,%rcx
0xffffffff80251677 <find_first_bit+9>: shr $0x6,%rcx
0xffffffff8025167b <find_first_bit+13>: je 0xffffffff80251697
<find_first_bit+41>
0xffffffff8025167d <find_first_bit+15>: mov %rdi,%rdx
0xffffffff80251680 <find_first_bit+18>: repz scas %es:(%rdi),%rax
crash>
crash>
crash> dis -lr 0xffffffff80251697
dis: line numbers are not available
0xffffffff8025166e <find_first_bit>: add $0x3f,%rsi
0xffffffff80251672 <find_first_bit+4>: xor %eax,%eax
0xffffffff80251674 <find_first_bit+6>: mov %rsi,%rcx
0xffffffff80251677 <find_first_bit+9>: shr $0x6,%rcx
0xffffffff8025167b <find_first_bit+13>: je 0xffffffff80251697
<find_first_bit+41>
0xffffffff8025167d <find_first_bit+15>: mov %rdi,%rdx
0xffffffff80251680 <find_first_bit+18>: repz scas %es:(%rdi),%rax
0xffffffff80251683 <find_first_bit+21>: je 0xffffffff8025168d
<find_first_bit+31>
0xffffffff80251685 <find_first_bit+23>: sub $0x8,%rdi
0xffffffff80251689 <find_first_bit+27>: bsf (%rdi),%rax
0xffffffff8025168d <find_first_bit+31>: sub %rdx,%rdi
0xffffffff80251690 <find_first_bit+34>: shl $0x3,%rdi
0xffffffff80251694 <find_first_bit+38>: add %rdi,%rax
0xffffffff80251697 <find_first_bit+41>: retq
crash>
=========================================================
ps output:
=========================================================
3792 7 3 ffff8800f948e100 IN 0.0 0 0 [aio/3]
3793 7 3 ffff8800f95a70c0 IN 0.0 0 0 [cqueue/3]
3794 7 3 ffff8800f95a7820 IN 0.0 0 0 [kblockd/3]
3795 7 3 ffff8800f9e02080 IN 0.0 0 0 [events/3]
3804 1 0 ffff8800f9d180c0 IN 0.1 209344 3240 nscd
3805 1 0 ffff8800f94a7820 IN 0.1 209344 3240 nscd
> 3806 7 0 ffff8800f948e860 RU 0.0 0 0 [suspend]
3807 7 0 ffff8800f94a57e0 IN 0.0 0 0 [kstopmachine]
3808 3807 0 ffff8800f9d19860 DE 0.0 0 0 kstopmachine
3809 3807 2 ffff8800f9df87e0 DE 0.0 0 0 kstopmachine
3810 3807 3 ffff8800f94bb040 DE 0.0 0 0 kstopmachine
=========================================================
=========================================================
crash> ps -p 3806
PID: 0 TASK: ffffffff804eeb00 CPU: 0 COMMAND: "swapper"
PID: 1 TASK: ffff880000d337a0 CPU: 0 COMMAND: "init"
PID: 7 TASK: ffff880000e89040 CPU: 0 COMMAND: "kthread"
PID: 3806 TASK: ffff8800f948e860 CPU: 0 COMMAND: "suspend"
crash>
crash> ps -p kstopmachine
PID: 0 TASK: ffffffff804eeb00 CPU: 0 COMMAND: "swapper"
PID: 1 TASK: ffff880000d337a0 CPU: 0 COMMAND: "init"
PID: 7 TASK: ffff880000e89040 CPU: 0 COMMAND: "kthread"
PID: 3807 TASK: ffff8800f94a57e0 CPU: 0 COMMAND: "kstopmachine"
PID: 0 TASK: ffffffff804eeb00 CPU: 0 COMMAND: "swapper"
PID: 1 TASK: ffff880000d337a0 CPU: 0 COMMAND: "init"
PID: 7 TASK: ffff880000e89040 CPU: 0 COMMAND: "kthread"
PID: 3807 TASK: ffff8800f94a57e0 CPU: 0 COMMAND: "kstopmachine"
PID: 3808 TASK: ffff8800f9d19860 CPU: 0 COMMAND: "kstopmachine"
PID: 0 TASK: ffffffff804eeb00 CPU: 0 COMMAND: "swapper"
PID: 1 TASK: ffff880000d337a0 CPU: 0 COMMAND: "init"
PID: 7 TASK: ffff880000e89040 CPU: 0 COMMAND: "kthread"
PID: 3807 TASK: ffff8800f94a57e0 CPU: 0 COMMAND: "kstopmachine"
PID: 3809 TASK: ffff8800f9df87e0 CPU: 2 COMMAND: "kstopmachine"
PID: 0 TASK: ffffffff804eeb00 CPU: 0 COMMAND: "swapper"
PID: 1 TASK: ffff880000d337a0 CPU: 0 COMMAND: "init"
PID: 7 TASK: ffff880000e89040 CPU: 0 COMMAND: "kthread"
PID: 3807 TASK: ffff8800f94a57e0 CPU: 0 COMMAND: "kstopmachine"
PID: 3810 TASK: ffff8800f94bb040 CPU: 3 COMMAND: "kstopmachine"
crash>
=========================================================
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