* Re: [2.6.11.11] oops in scheduler_tick
2005-06-06 12:40 ` Mikulas Patocka
@ 2005-06-06 19:58 ` Pawel Sikora
0 siblings, 0 replies; 3+ messages in thread
From: Pawel Sikora @ 2005-06-06 19:58 UTC (permalink / raw)
To: Mikulas Patocka; +Cc: linux-kernel
On Monday 06 of June 2005 14:40, Mikulas Patocka wrote:
> Hi
>
> Pls disassemble the function do_wait, that was interrupted
> (with objdump -d exit.o) and post it.
>
> Mikulas
>
00001b27 <do_wait>:
1b27: 55 push %ebp
1b28: 89 e5 mov %esp,%ebp
1b2a: 57 push %edi
1b2b: 56 push %esi
1b2c: 53 push %ebx
1b2d: 83 ec 1c sub $0x1c,%esp
1b30: 8b 75 10 mov 0x10(%ebp),%esi
1b33: 8d 7d e0 lea 0xffffffe0(%ebp),%edi
1b36: fc cld
1b37: 31 c0 xor %eax,%eax
1b39: ab stos %eax,%es:(%edi)
1b3a: ab stos %eax,%es:(%edi)
1b3b: ab stos %eax,%es:(%edi)
1b3c: ab stos %eax,%es:(%edi)
1b3d: ab stos %eax,%es:(%edi)
1b3e: b8 00 e0 ff ff mov $0xffffe000,%eax
1b43: 21 e0 and %esp,%eax
1b45: 8b 10 mov (%eax),%edx
1b47: 89 55 e4 mov %edx,0xffffffe4(%ebp)
1b4a: c7 45 e8 00 00 00 00 movl $0x0,0xffffffe8(%ebp)
1b51: 8b 00 mov (%eax),%eax
1b53: 8b 80 5c 04 00 00 mov 0x45c(%eax),%eax
1b59: 83 c0 08 add $0x8,%eax
1b5c: 8d 55 e0 lea 0xffffffe0(%ebp),%edx
1b5f: e8 fc ff ff ff call 1b60 <do_wait+0x39>
1b64: b8 00 e0 ff ff mov $0xffffe000,%eax
1b69: 21 e0 and %esp,%eax
1b6b: 8b 10 mov (%eax),%edx
1b6d: c7 02 01 00 00 00 movl $0x1,(%edx)
1b73: 8b 18 mov (%eax),%ebx
1b75: c7 45 d8 00 00 00 00 movl $0x0,0xffffffd8(%ebp)
1b7c: 8b 83 a0 00 00 00 mov 0xa0(%ebx),%eax
1b82: e9 1f 01 00 00 jmp 1ca6 <do_wait+0x17f>
1b87: 8b 7d dc mov 0xffffffdc(%ebp),%edi
1b8a: 81 ef a8 00 00 00 sub $0xa8,%edi
1b90: 57 push %edi
1b91: ff 75 0c pushl 0xc(%ebp)
1b94: ff 75 08 pushl 0x8(%ebp)
1b97: e8 5f f6 ff ff call 11fb <eligible_child>
1b9c: 89 c2 mov %eax,%edx
1b9e: 83 c4 0c add $0xc,%esp
1ba1: 85 c0 test %eax,%eax
1ba3: 0f 84 f8 00 00 00 je 1ca1 <do_wait+0x17a>
1ba9: 8b 4d dc mov 0xffffffdc(%ebp),%ecx
1bac: 8b 81 58 ff ff ff mov 0xffffff58(%ecx),%eax
1bb2: 83 f8 04 cmp $0x4,%eax
1bb5: 74 27 je 1bde <do_wait+0xb7>
1bb7: 83 f8 08 cmp $0x8,%eax
1bba: 75 79 jne 1c35 <do_wait+0x10e>
1bbc: 8b 47 10 mov 0x10(%edi),%eax
1bbf: a8 01 test $0x1,%al
1bc1: 0f 84 da 00 00 00 je 1ca1 <do_wait+0x17a>
1bc7: f6 c4 04 test $0x4,%ah
1bca: 74 12 je 1bde <do_wait+0xb7>
1bcc: 8b 87 98 00 00 00 mov 0x98(%edi),%eax
1bd2: 39 87 9c 00 00 00 cmp %eax,0x9c(%edi)
1bd8: 0f 84 c3 00 00 00 je 1ca1 <do_wait+0x17a>
1bde: f6 45 0c 02 testb $0x2,0xc(%ebp)
1be2: 75 22 jne 1c06 <do_wait+0xdf>
1be4: 8b 47 10 mov 0x10(%edi),%eax
1be7: a8 01 test $0x1,%al
1be9: 0f 84 ab 00 00 00 je 1c9a <do_wait+0x173>
1bef: f6 c4 04 test $0x4,%ah
1bf2: 74 12 je 1c06 <do_wait+0xdf>
1bf4: 8b 87 98 00 00 00 mov 0x98(%edi),%eax
1bfa: 39 87 9c 00 00 00 cmp %eax,0x9c(%edi)
1c00: 0f 84 94 00 00 00 je 1c9a <do_wait+0x173>
1c06: ff 75 18 pushl 0x18(%ebp)
1c09: ff 75 14 pushl 0x14(%ebp)
1c0c: 56 push %esi
1c0d: 8b 45 0c mov 0xc(%ebp),%eax
1c10: 25 00 00 00 01 and $0x1000000,%eax
1c15: 50 push %eax
1c16: 31 c0 xor %eax,%eax
1c18: 83 fa 02 cmp $0x2,%edx
1c1b: 0f 94 c0 sete %al
1c1e: 50 push %eax
1c1f: 57 push %edi
1c20: e8 84 fb ff ff call 17a9 <wait_task_stopped>
1c25: 89 c7 mov %eax,%edi
1c27: 83 c4 18 add $0x18,%esp
1c2a: 83 f8 f5 cmp $0xfffffff5,%eax
1c2d: 0f 84 31 ff ff ff je 1b64 <do_wait+0x3d>
1c33: eb 5d jmp 1c92 <do_wait+0x16b>
1c35: 8b 47 78 mov 0x78(%edi),%eax
1c38: 83 f8 20 cmp $0x20,%eax
1c3b: 74 64 je 1ca1 <do_wait+0x17a>
1c3d: 83 f8 10 cmp $0x10,%eax
1c40: 75 2f jne 1c71 <do_wait+0x14a>
1c42: 83 fa 02 cmp $0x2,%edx
1c45: 74 2a je 1c71 <do_wait+0x14a>
1c47: f6 45 0c 04 testb $0x4,0xc(%ebp)
1c4b: 74 54 je 1ca1 <do_wait+0x17a>
1c4d: ff 75 18 pushl 0x18(%ebp)
1c50: ff 75 14 pushl 0x14(%ebp)
1c53: 56 push %esi
1c54: 8b 45 0c mov 0xc(%ebp),%eax
1c57: 25 00 00 00 01 and $0x1000000,%eax
1c5c: 50 push %eax
1c5d: 57 push %edi
1c5e: e8 8a f7 ff ff call 13ed <wait_task_zombie>
1c63: 89 c7 mov %eax,%edi
1c65: 83 c4 14 add $0x14,%esp
1c68: 85 c0 test %eax,%eax
1c6a: 74 35 je 1ca1 <do_wait+0x17a>
1c6c: e9 f6 00 00 00 jmp 1d67 <do_wait+0x240>
1c71: f6 45 0c 08 testb $0x8,0xc(%ebp)
1c75: 74 23 je 1c9a <do_wait+0x173>
1c77: ff 75 18 pushl 0x18(%ebp)
1c7a: ff 75 14 pushl 0x14(%ebp)
1c7d: 56 push %esi
1c7e: 8b 45 0c mov 0xc(%ebp),%eax
1c81: 25 00 00 00 01 and $0x1000000,%eax
1c86: 50 push %eax
1c87: 57 push %edi
1c88: e8 a5 fd ff ff call 1a32 <wait_task_continued>
1c8d: 89 c7 mov %eax,%edi
1c8f: 83 c4 14 add $0x14,%esp
1c92: 85 ff test %edi,%edi
1c94: 0f 85 cd 00 00 00 jne 1d67 <do_wait+0x240>
1c9a: c7 45 d8 01 00 00 00 movl $0x1,0xffffffd8(%ebp)
1ca1: 8b 45 dc mov 0xffffffdc(%ebp),%eax
1ca4: 8b 00 mov (%eax),%eax
1ca6: 89 45 dc mov %eax,0xffffffdc(%ebp)
1ca9: 8b 55 dc mov 0xffffffdc(%ebp),%edx
1cac: 8b 02 mov (%edx),%eax
1cae: 8d 74 26 00 lea 0x0(%esi),%esi
1cb2: 8d 83 a0 00 00 00 lea 0xa0(%ebx),%eax
1cb8: 39 c2 cmp %eax,%edx
1cba: 0f 85 c7 fe ff ff jne 1b87 <do_wait+0x60>
1cc0: 83 7d d8 00 cmpl $0x0,0xffffffd8(%ebp)
1cc4: 75 3a jne 1d00 <do_wait+0x1d9>
1cc6: 8b 7b 5c mov 0x5c(%ebx),%edi
1cc9: eb 21 jmp 1cec <do_wait+0x1c5>
1ccb: 8d 47 9c lea 0xffffff9c(%edi),%eax
1cce: 50 push %eax
1ccf: ff 75 0c pushl 0xc(%ebp)
1cd2: ff 75 08 pushl 0x8(%ebp)
1cd5: e8 21 f5 ff ff call 11fb <eligible_child>
1cda: 83 c4 0c add $0xc,%esp
1cdd: 85 c0 test %eax,%eax
1cdf: 74 09 je 1cea <do_wait+0x1c3>
1ce1: c7 45 d8 01 00 00 00 movl $0x1,0xffffffd8(%ebp)
1ce8: eb 16 jmp 1d00 <do_wait+0x1d9>
1cea: 8b 3f mov (%edi),%edi
1cec: 8b 07 mov (%edi),%eax
1cee: 8d 74 26 00 lea 0x0(%esi),%esi
1cf2: 8d 43 5c lea 0x5c(%ebx),%eax
1cf5: 39 c7 cmp %eax,%edi
1cf7: 75 d2 jne 1ccb <do_wait+0x1a4>
1cf9: c7 45 d8 00 00 00 00 movl $0x0,0xffffffd8(%ebp)
1d00: f7 45 0c 00 00 00 20 testl $0x20000000,0xc(%ebp)
1d07: 75 33 jne 1d3c <do_wait+0x215>
1d09: 8b 9b d4 00 00 00 mov 0xd4(%ebx),%ebx
1d0f: 81 eb d4 00 00 00 sub $0xd4,%ebx
1d15: b8 00 e0 ff ff mov $0xffffe000,%eax
1d1a: 21 e0 and %esp,%eax
1d1c: 8b 10 mov (%eax),%edx
1d1e: 8b 82 5c 04 00 00 mov 0x45c(%edx),%eax
1d24: 39 83 5c 04 00 00 cmp %eax,0x45c(%ebx)
1d2a: 74 08 je 1d34 <do_wait+0x20d>
1d2c: 0f 0b ud2a
1d2e: 88 05 00 00 00 00 mov %al,0x0
1d34: 39 d3 cmp %edx,%ebx
1d36: 0f 85 40 fe ff ff jne 1b7c <do_wait+0x55>
1d3c: 83 7d d8 00 cmpl $0x0,0xffffffd8(%ebp)
1d40: 74 62 je 1da4 <do_wait+0x27d>
1d42: f6 45 0c 01 testb $0x1,0xc(%ebp)
1d46: 75 1d jne 1d65 <do_wait+0x23e>
1d48: b8 00 e0 ff ff mov $0xffffe000,%eax
1d4d: 21 e0 and %esp,%eax
1d4f: 8b 00 mov (%eax),%eax
1d51: 8b 40 04 mov 0x4(%eax),%eax
1d54: 8b 40 08 mov 0x8(%eax),%eax
1d57: a8 04 test $0x4,%al
1d59: 75 42 jne 1d9d <do_wait+0x276>
1d5b: e8 fc ff ff ff call 1d5c <do_wait+0x235>
1d60: e9 ff fd ff ff jmp 1b64 <do_wait+0x3d>
1d65: 31 ff xor %edi,%edi
1d67: bb 00 e0 ff ff mov $0xffffe000,%ebx
1d6c: 21 e3 and %esp,%ebx
1d6e: 8b 03 mov (%ebx),%eax
1d70: c7 00 00 00 00 00 movl $0x0,(%eax)
1d76: 8b 03 mov (%ebx),%eax
1d78: 8b 80 5c 04 00 00 mov 0x45c(%eax),%eax
1d7e: 83 c0 08 add $0x8,%eax
1d81: 8d 55 e0 lea 0xffffffe0(%ebp),%edx
1d84: e8 fc ff ff ff call 1d85 <do_wait+0x25e>
1d89: 85 f6 test %esi,%esi
1d8b: 0f 84 f0 00 00 00 je 1e81 <do_wait+0x35a>
1d91: 83 ff 00 cmp $0x0,%edi
1d94: 7e 15 jle 1dab <do_wait+0x284>
1d96: 31 ff xor %edi,%edi
1d98: e9 e4 00 00 00 jmp 1e81 <do_wait+0x35a>
1d9d: bf 00 fe ff ff mov $0xfffffe00,%edi
1da2: eb c3 jmp 1d67 <do_wait+0x240>
1da4: bf f6 ff ff ff mov $0xfffffff6,%edi
1da9: eb bc jmp 1d67 <do_wait+0x240>
1dab: 0f 85 d0 00 00 00 jne 1e81 <do_wait+0x35a>
1db1: 8b 4b 18 mov 0x18(%ebx),%ecx
1db4: 89 f2 mov %esi,%edx
1db6: 83 c2 04 add $0x4,%edx
1db9: 19 c0 sbb %eax,%eax
1dbb: 39 d1 cmp %edx,%ecx
1dbd: 83 d8 00 sbb $0x0,%eax
1dc0: 85 c0 test %eax,%eax
1dc2: 0f 85 b4 00 00 00 jne 1e7c <do_wait+0x355>
1dc8: 89 f8 mov %edi,%eax
1dca: c7 06 00 00 00 00 movl $0x0,(%esi)
1dd0: 85 c0 test %eax,%eax
1dd2: 0f 85 84 00 00 00 jne 1e5c <do_wait+0x335>
1dd8: 8d 46 04 lea 0x4(%esi),%eax
1ddb: 89 c2 mov %eax,%edx
1ddd: 83 c2 04 add $0x4,%edx
1de0: 19 db sbb %ebx,%ebx
1de2: 39 d1 cmp %edx,%ecx
1de4: 83 db 00 sbb $0x0,%ebx
1de7: 85 db test %ebx,%ebx
1de9: 0f 85 8d 00 00 00 jne 1e7c <do_wait+0x355>
1def: 89 f8 mov %edi,%eax
1df1: c7 46 04 00 00 00 00 movl $0x0,0x4(%esi)
1df8: 85 c0 test %eax,%eax
1dfa: 75 60 jne 1e5c <do_wait+0x335>
1dfc: 8d 46 08 lea 0x8(%esi),%eax
1dff: 89 c2 mov %eax,%edx
1e01: 83 c2 04 add $0x4,%edx
1e04: 19 db sbb %ebx,%ebx
1e06: 39 d1 cmp %edx,%ecx
1e08: 83 db 00 sbb $0x0,%ebx
1e0b: 85 db test %ebx,%ebx
1e0d: 75 6d jne 1e7c <do_wait+0x355>
1e0f: 89 f8 mov %edi,%eax
1e11: c7 46 08 00 00 00 00 movl $0x0,0x8(%esi)
1e18: 85 c0 test %eax,%eax
1e1a: 75 40 jne 1e5c <do_wait+0x335>
1e1c: 8d 46 0c lea 0xc(%esi),%eax
1e1f: 89 c2 mov %eax,%edx
1e21: 83 c2 04 add $0x4,%edx
1e24: 19 db sbb %ebx,%ebx
1e26: 39 d1 cmp %edx,%ecx
1e28: 83 db 00 sbb $0x0,%ebx
1e2b: 85 db test %ebx,%ebx
1e2d: 75 4d jne 1e7c <do_wait+0x355>
1e2f: 89 f8 mov %edi,%eax
1e31: c7 46 0c 00 00 00 00 movl $0x0,0xc(%esi)
1e38: 85 c0 test %eax,%eax
1e3a: 75 20 jne 1e5c <do_wait+0x335>
1e3c: 8d 46 10 lea 0x10(%esi),%eax
1e3f: 89 c2 mov %eax,%edx
1e41: 83 c2 04 add $0x4,%edx
1e44: 19 db sbb %ebx,%ebx
1e46: 39 d1 cmp %edx,%ecx
1e48: 83 db 00 sbb $0x0,%ebx
1e4b: 85 db test %ebx,%ebx
1e4d: 75 2d jne 1e7c <do_wait+0x355>
1e4f: 89 f8 mov %edi,%eax
1e51: c7 46 10 00 00 00 00 movl $0x0,0x10(%esi)
1e58: 85 c0 test %eax,%eax
1e5a: 74 04 je 1e60 <do_wait+0x339>
1e5c: 89 c7 mov %eax,%edi
1e5e: eb 21 jmp 1e81 <do_wait+0x35a>
1e60: 8d 46 14 lea 0x14(%esi),%eax
1e63: 89 c2 mov %eax,%edx
1e65: 83 c2 04 add $0x4,%edx
1e68: 19 db sbb %ebx,%ebx
1e6a: 39 d1 cmp %edx,%ecx
1e6c: 83 db 00 sbb $0x0,%ebx
1e6f: 85 db test %ebx,%ebx
1e71: 75 09 jne 1e7c <do_wait+0x355>
1e73: c7 46 14 00 00 00 00 movl $0x0,0x14(%esi)
1e7a: eb 05 jmp 1e81 <do_wait+0x35a>
1e7c: bf f2 ff ff ff mov $0xfffffff2,%edi
1e81: 89 f8 mov %edi,%eax
1e83: 8d 65 f4 lea 0xfffffff4(%ebp),%esp
1e86: 5b pop %ebx
1e87: 5e pop %esi
1e88: 5f pop %edi
1e89: 5d pop %ebp
1e8a: c3 ret
--
The only thing necessary for the triumph of evil
is for good men to do nothing.
- Edmund Burke
^ permalink raw reply [flat|nested] 3+ messages in thread