Messages in this thread | | | From | Pawel Sikora <> | Subject | Re: [2.6.11.11] oops in scheduler_tick | Date | Mon, 6 Jun 2005 21:58:10 +0200 |
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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
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