* panic from isp1020
@ 2004-07-13 20:30 Martin J. Bligh
2004-07-13 20:37 ` Martin J. Bligh
0 siblings, 1 reply; 2+ messages in thread
From: Martin J. Bligh @ 2004-07-13 20:30 UTC (permalink / raw)
To: linux-kernel
2.6.7-mm4
Unable to handle kernel NULL pointer dereference at virtual address 00000154
printing eip:
c01eb588
*pde = 26549001
*pte = 00000000
Oops: 0002 [#1]
SMP
Modules linked in:
CPU: 0
EIP: 0060:[<c01eb588>] Not tainted VLI
EFLAGS: 00010046 (2.6.7-mm4)
EIP is at isp1020_intr_handler+0x23c/0x2e0
eax: 00000000 ebx: f0c78000 ecx: 00000000 edx: 00000050
esi: 00000000 edi: 00000001 ebp: f13c8000 esp: c0343f30
ds: 007b es: 007b ss: 0068
Process swapper (pid: 0, threadinfo=c0342000 task=c02b9980)
Stack: f0c78000 00000002 f13c8000 00000000 00000013 00000001 f13c81cc c01eb339
00000013 f13c8000 c0343fac f13d1bc0 24000001 c0105a37 00000013 f13c8000
c0343fac c033ba60 00000260 00000013 c0343fa4 c0105d42 00000013 c0343fac
Call Trace:
[<c01eb339>] do_isp1020_intr_handler+0x25/0x38
[<c0105a37>] handle_IRQ_event+0x2b/0x50
[<c0105d42>] do_IRQ+0xa2/0x124
[<c010451c>] common_interrupt+0x18/0x20
[<c0101ffc>] default_idle+0x2c/0x34
[<c010207c>] cpu_idle+0x30/0x40
[<c01002e9>] rest_init+0x49/0x4c
[<c03448c6>] start_kernel+0x172/0x178
Code: 00 01 00 00 00 f6 43 0d 20 74 15 8d 96 c0 00 00 00 8d 43 20 6a 60 50 52 e8 d6 8f fc ff 83 c4 0c 80 3b 03 75 11 53 e8 a4 00 00 00 <89> 86 54 01 00 00 83 c4 04 eb 0a c7 86 54 01 00 00 00 00 07 00
The EIP according to addr2line is:
Cmnd->result = isp1020_return_status(sts);
(drivers/scsi/qlogicisp.c:1048)
0xc01eb588 <isp1020_intr_handler+572>: mov %eax,0x154(%esi)
but esi is 0 ....
Dump of assembler code for function isp1020_intr_handler:
0xc01eb34c <isp1020_intr_handler+0>: sub $0x8,%esp
0xc01eb34f <isp1020_intr_handler+3>: push %ebp
0xc01eb350 <isp1020_intr_handler+4>: push %edi
0xc01eb351 <isp1020_intr_handler+5>: push %esi
0xc01eb352 <isp1020_intr_handler+6>: push %ebx
0xc01eb353 <isp1020_intr_handler+7>: mov 0x20(%esp,1),%ebp
0xc01eb357 <isp1020_intr_handler+11>: lea 0x1cc(%ebp),%eax
0xc01eb35d <isp1020_intr_handler+17>: mov %eax,0x14(%esp,1)
0xc01eb361 <isp1020_intr_handler+21>: mov 0x1cc(%ebp),%eax
0xc01eb367 <isp1020_intr_handler+27>: test %eax,%eax
0xc01eb369 <isp1020_intr_handler+29>: je 0xc01eb371 <isp1020_intr_handler+37>
0xc01eb36b <isp1020_intr_handler+31>: movzwl 0xa(%eax),%eax
0xc01eb36f <isp1020_intr_handler+35>: jmp 0xc01eb392 <isp1020_intr_handler+70>
0xc01eb371 <isp1020_intr_handler+37>: mov 0xb4(%ebp),%edx
0xc01eb377 <isp1020_intr_handler+43>: mov 0xc039e538,%eax
0xc01eb37c <isp1020_intr_handler+48>: add $0xa,%edx
0xc01eb37f <isp1020_intr_handler+51>: test %eax,%eax
0xc01eb381 <isp1020_intr_handler+53>: je 0xc01eb390 <isp1020_intr_handler+68>
0xc01eb383 <isp1020_intr_handler+55>: movzwl (%edx,%eax,1),%eax
0xc01eb387 <isp1020_intr_handler+59>: jmp 0xc01eb392 <isp1020_intr_handler+70>
0xc01eb389 <isp1020_intr_handler+61>: lea 0x0(%esi,1),%esi
0xc01eb390 <isp1020_intr_handler+68>: in (%dx),%ax
0xc01eb392 <isp1020_intr_handler+70>: test $0x4,%al
0xc01eb394 <isp1020_intr_handler+72>: je 0xc01eb624 <isp1020_intr_handler+728>
0xc01eb39a <isp1020_intr_handler+78>: mov 0x1cc(%ebp),%eax
0xc01eb3a0 <isp1020_intr_handler+84>: test %eax,%eax
0xc01eb3a2 <isp1020_intr_handler+86>: je 0xc01eb3b0 <isp1020_intr_handler+100>
0xc01eb3a4 <isp1020_intr_handler+88>: movzwl 0x7a(%eax),%eax
0xc01eb3a8 <isp1020_intr_handler+92>: jmp 0xc01eb3ca <isp1020_intr_handler+126>
0xc01eb3aa <isp1020_intr_handler+94>: lea 0x0(%esi),%esi
0xc01eb3b0 <isp1020_intr_handler+100>: mov 0xb4(%ebp),%edx
0xc01eb3b6 <isp1020_intr_handler+106>: mov 0xc039e538,%eax
0xc01eb3bb <isp1020_intr_handler+111>: add $0x7a,%edx
0xc01eb3be <isp1020_intr_handler+114>: test %eax,%eax
0xc01eb3c0 <isp1020_intr_handler+116>: je 0xc01eb3c8 <isp1020_intr_handler+124>
0xc01eb3c2 <isp1020_intr_handler+118>: movzwl (%edx,%eax,1),%eax
0xc01eb3c6 <isp1020_intr_handler+122>: jmp 0xc01eb3ca <isp1020_intr_handler+126>
0xc01eb3c8 <isp1020_intr_handler+124>: in (%dx),%ax
0xc01eb3ca <isp1020_intr_handler+126>: movzwl %ax,%eax
0xc01eb3cd <isp1020_intr_handler+129>: mov %eax,0x10(%esp,1)
0xc01eb3d1 <isp1020_intr_handler+133>: mov 0x1cc(%ebp),%eax
0xc01eb3d7 <isp1020_intr_handler+139>: mov $0x7000,%ecx
0xc01eb3dc <isp1020_intr_handler+144>: test %eax,%eax
0xc01eb3de <isp1020_intr_handler+146>: je 0xc01eb3f0 <isp1020_intr_handler+164>
0xc01eb3e0 <isp1020_intr_handler+148>: mov %cx,0xc0(%eax)
0xc01eb3e7 <isp1020_intr_handler+155>: jmp 0xc01eb414 <isp1020_intr_handler+200>
0xc01eb3e9 <isp1020_intr_handler+157>: lea 0x0(%esi,1),%esi
0xc01eb3f0 <isp1020_intr_handler+164>: mov 0xb4(%ebp),%edx
0xc01eb3f6 <isp1020_intr_handler+170>: mov 0xc039e538,%eax
0xc01eb3fb <isp1020_intr_handler+175>: add $0xc0,%edx
0xc01eb401 <isp1020_intr_handler+181>: test %eax,%eax
0xc01eb403 <isp1020_intr_handler+183>: je 0xc01eb410 <isp1020_intr_handler+196>
0xc01eb405 <isp1020_intr_handler+185>: mov %cx,(%edx,%eax,1)
0xc01eb409 <isp1020_intr_handler+189>: jmp 0xc01eb414 <isp1020_intr_handler+200>
0xc01eb40b <isp1020_intr_handler+191>: nop
0xc01eb40c <isp1020_intr_handler+192>: lea 0x0(%esi,1),%esi
0xc01eb410 <isp1020_intr_handler+196>: mov %ecx,%eax
0xc01eb412 <isp1020_intr_handler+198>: out %ax,(%dx)
0xc01eb414 <isp1020_intr_handler+200>: mov 0x1cc(%ebp),%eax
0xc01eb41a <isp1020_intr_handler+206>: test %eax,%eax
0xc01eb41c <isp1020_intr_handler+208>: je 0xc01eb424 <isp1020_intr_handler+216>
0xc01eb41e <isp1020_intr_handler+210>: movzwl 0xc(%eax),%eax
0xc01eb422 <isp1020_intr_handler+214>: jmp 0xc01eb442 <isp1020_intr_handler+246>
0xc01eb424 <isp1020_intr_handler+216>: mov 0xb4(%ebp),%edx
0xc01eb42a <isp1020_intr_handler+222>: mov 0xc039e538,%eax
0xc01eb42f <isp1020_intr_handler+227>: add $0xc,%edx
0xc01eb432 <isp1020_intr_handler+230>: test %eax,%eax
0xc01eb434 <isp1020_intr_handler+232>: je 0xc01eb440 <isp1020_intr_handler+244>
0xc01eb436 <isp1020_intr_handler+234>: movzwl (%edx,%eax,1),%eax
0xc01eb43a <isp1020_intr_handler+238>: jmp 0xc01eb442 <isp1020_intr_handler+246>
0xc01eb43c <isp1020_intr_handler+240>: lea 0x0(%esi,1),%esi
0xc01eb440 <isp1020_intr_handler+244>: in (%dx),%ax
0xc01eb442 <isp1020_intr_handler+246>: test $0x1,%al
0xc01eb444 <isp1020_intr_handler+248>: je 0xc01eb504 <isp1020_intr_handler+440>
0xc01eb44a <isp1020_intr_handler+254>: mov 0x1cc(%ebp),%eax
0xc01eb450 <isp1020_intr_handler+260>: test %eax,%eax
0xc01eb452 <isp1020_intr_handler+262>: je 0xc01eb460 <isp1020_intr_handler+276>
0xc01eb454 <isp1020_intr_handler+264>: movzwl 0x70(%eax),%eax
0xc01eb458 <isp1020_intr_handler+268>: jmp 0xc01eb47a <isp1020_intr_handler+302>
0xc01eb45a <isp1020_intr_handler+270>: lea 0x0(%esi),%esi
0xc01eb460 <isp1020_intr_handler+276>: mov 0xb4(%ebp),%edx
0xc01eb466 <isp1020_intr_handler+282>: mov 0xc039e538,%eax
0xc01eb46b <isp1020_intr_handler+287>: add $0x70,%edx
0xc01eb46e <isp1020_intr_handler+290>: test %eax,%eax
0xc01eb470 <isp1020_intr_handler+292>: je 0xc01eb478 <isp1020_intr_handler+300>
0xc01eb472 <isp1020_intr_handler+294>: movzwl (%edx,%eax,1),%eax
0xc01eb476 <isp1020_intr_handler+298>: jmp 0xc01eb47a <isp1020_intr_handler+302>
0xc01eb478 <isp1020_intr_handler+300>: in (%dx),%ax
0xc01eb47a <isp1020_intr_handler+302>: movzwl %ax,%eax
0xc01eb47d <isp1020_intr_handler+305>: cmp $0x4006,%eax
0xc01eb482 <isp1020_intr_handler+310>: jg 0xc01eb4a0 <isp1020_intr_handler+340>
0xc01eb484 <isp1020_intr_handler+312>: cmp $0x4005,%eax
0xc01eb489 <isp1020_intr_handler+317>: jge 0xc01eb4c0 <isp1020_intr_handler+372>
0xc01eb48b <isp1020_intr_handler+319>: cmp $0x4002,%eax
0xc01eb490 <isp1020_intr_handler+324>: jg 0xc01eb4cd <isp1020_intr_handler+385>
0xc01eb492 <isp1020_intr_handler+326>: cmp $0x4001,%eax
0xc01eb497 <isp1020_intr_handler+331>: jl 0xc01eb4cd <isp1020_intr_handler+385>
0xc01eb499 <isp1020_intr_handler+333>: jmp 0xc01eb4c0 <isp1020_intr_handler+372>
0xc01eb49b <isp1020_intr_handler+335>: nop
0xc01eb49c <isp1020_intr_handler+336>: lea 0x0(%esi,1),%esi
0xc01eb4a0 <isp1020_intr_handler+340>: cmp $0x8001,%eax
0xc01eb4a5 <isp1020_intr_handler+345>: je 0xc01eb4ae <isp1020_intr_handler+354>
0xc01eb4a7 <isp1020_intr_handler+347>: cmp $0x8006,%eax
0xc01eb4ac <isp1020_intr_handler+352>: jne 0xc01eb4cd <isp1020_intr_handler+385>
0xc01eb4ae <isp1020_intr_handler+354>: mov 0x14(%esp,1),%eax
0xc01eb4b2 <isp1020_intr_handler+358>: movl $0x1,0xf8(%eax)
0xc01eb4bc <isp1020_intr_handler+368>: jmp 0xc01eb4cd <isp1020_intr_handler+385>
0xc01eb4be <isp1020_intr_handler+370>: mov %esi,%esi
0xc01eb4c0 <isp1020_intr_handler+372>: push $0xc02954a0
0xc01eb4c5 <isp1020_intr_handler+377>: call 0xc0118814 <printk>
0xc01eb4ca <isp1020_intr_handler+382>: add $0x4,%esp
0xc01eb4cd <isp1020_intr_handler+385>: mov 0x1cc(%ebp),%eax
0xc01eb4d3 <isp1020_intr_handler+391>: test %eax,%eax
0xc01eb4d5 <isp1020_intr_handler+393>: je 0xc01eb4e0 <isp1020_intr_handler+404>
0xc01eb4d7 <isp1020_intr_handler+395>: movw $0x0,0xc(%eax)
0xc01eb4dd <isp1020_intr_handler+401>: jmp 0xc01eb504 <isp1020_intr_handler+440>
0xc01eb4df <isp1020_intr_handler+403>: nop
0xc01eb4e0 <isp1020_intr_handler+404>: mov 0xb4(%ebp),%edx
0xc01eb4e6 <isp1020_intr_handler+410>: mov 0xc039e538,%eax
0xc01eb4eb <isp1020_intr_handler+415>: add $0xc,%edx
0xc01eb4ee <isp1020_intr_handler+418>: test %eax,%eax
0xc01eb4f0 <isp1020_intr_handler+420>: je 0xc01eb500 <isp1020_intr_handler+436>
0xc01eb4f2 <isp1020_intr_handler+422>: movw $0x0,(%edx,%eax,1)
0xc01eb4f8 <isp1020_intr_handler+428>: jmp 0xc01eb504 <isp1020_intr_handler+440>
0xc01eb4fa <isp1020_intr_handler+430>: lea 0x0(%esi),%esi
0xc01eb500 <isp1020_intr_handler+436>: xor %eax,%eax
0xc01eb502 <isp1020_intr_handler+438>: out %ax,(%dx)
0xc01eb504 <isp1020_intr_handler+440>: mov 0x14(%esp,1),%eax
0xc01eb508 <isp1020_intr_handler+444>: mov 0xf4(%eax),%edi
0xc01eb50e <isp1020_intr_handler+450>: cmp 0x10(%esp,1),%edi
0xc01eb512 <isp1020_intr_handler+454>: je 0xc01eb61a <isp1020_intr_handler+718>
0xc01eb518 <isp1020_intr_handler+460>: mov 0x14(%esp,1),%eax
0xc01eb51c <isp1020_intr_handler+464>: mov %edi,%ebx
0xc01eb51e <isp1020_intr_handler+466>: shl $0x6,%ebx
0xc01eb521 <isp1020_intr_handler+469>: inc %edi
0xc01eb522 <isp1020_intr_handler+470>: add 0xe8(%eax),%ebx
0xc01eb528 <isp1020_intr_handler+476>: and $0x7,%edi
0xc01eb52b <isp1020_intr_handler+479>: add $0xfc,%eax
0xc01eb530 <isp1020_intr_handler+484>: mov 0x4(%ebx),%edx
0xc01eb533 <isp1020_intr_handler+487>: shl $0x2,%edx
0xc01eb536 <isp1020_intr_handler+490>: mov (%edx,%eax,1),%esi
0xc01eb539 <isp1020_intr_handler+493>: movl $0x0,(%edx,%eax,1)
0xc01eb540 <isp1020_intr_handler+500>: movzwl 0xa(%ebx),%eax
0xc01eb544 <isp1020_intr_handler+504>: add $0xfffffffc,%ax
0xc01eb548 <isp1020_intr_handler+508>: cmp $0x1,%ax
0xc01eb54c <isp1020_intr_handler+512>: jbe 0xc01eb554 <isp1020_intr_handler+520>
0xc01eb54e <isp1020_intr_handler+514>: testb $0x8,0xe(%ebx)
0xc01eb552 <isp1020_intr_handler+518>: je 0xc01eb562 <isp1020_intr_handler+534>
0xc01eb554 <isp1020_intr_handler+520>: mov 0x14(%esp,1),%eax
0xc01eb558 <isp1020_intr_handler+524>: movl $0x1,0xf8(%eax)
0xc01eb562 <isp1020_intr_handler+534>: testb $0x20,0xd(%ebx)
0xc01eb566 <isp1020_intr_handler+538>: je 0xc01eb57d <isp1020_intr_handler+561>
0xc01eb568 <isp1020_intr_handler+540>: lea 0xc0(%esi),%edx
0xc01eb56e <isp1020_intr_handler+546>: lea 0x20(%ebx),%eax
0xc01eb571 <isp1020_intr_handler+549>: push $0x60
0xc01eb573 <isp1020_intr_handler+551>: push %eax
0xc01eb574 <isp1020_intr_handler+552>: push %edx
0xc01eb575 <isp1020_intr_handler+553>: call 0xc01b4550 <memcpy>
0xc01eb57a <isp1020_intr_handler+558>: add $0xc,%esp
0xc01eb57d <isp1020_intr_handler+561>: cmpb $0x3,(%ebx)
0xc01eb580 <isp1020_intr_handler+564>: jne 0xc01eb593 <isp1020_intr_handler+583>
0xc01eb582 <isp1020_intr_handler+566>: push %ebx
0xc01eb583 <isp1020_intr_handler+567>: call 0xc01eb62c <isp1020_return_status>
0xc01eb588 <isp1020_intr_handler+572>: mov %eax,0x154(%esi)
0xc01eb58e <isp1020_intr_handler+578>: add $0x4,%esp
0xc01eb591 <isp1020_intr_handler+581>: jmp 0xc01eb59d <isp1020_intr_handler+593>
0xc01eb593 <isp1020_intr_handler+583>: movl $0x70000,0x154(%esi)
0xc01eb59d <isp1020_intr_handler+593>: cmpw $0x0,0x9e(%esi)
0xc01eb5a5 <isp1020_intr_handler+601>: je 0xc01eb5b7 <isp1020_intr_handler+619>
0xc01eb5a7 <isp1020_intr_handler+603>: cmpl $0x3,0x4c(%esi)
0xc01eb5ab <isp1020_intr_handler+607>: jne 0xc01eb5d0 <isp1020_intr_handler+644>
0xc01eb5ad <isp1020_intr_handler+609>: ud2a
0xc01eb5af <isp1020_intr_handler+611>: dec %edx
0xc01eb5b0 <isp1020_intr_handler+612>: add %dl,%al
0xc01eb5b2 <isp1020_intr_handler+614>: aam $0x28
0xc01eb5b4 <isp1020_intr_handler+616>: shr $0x19,%bl
0xc01eb5b7 <isp1020_intr_handler+619>: cmpl $0x0,0x64(%esi)
0xc01eb5bb <isp1020_intr_handler+623>: je 0xc01eb5d0 <isp1020_intr_handler+644>
0xc01eb5bd <isp1020_intr_handler+625>: cmpl $0x3,0x4c(%esi)
0xc01eb5c1 <isp1020_intr_handler+629>: jne 0xc01eb5d0 <isp1020_intr_handler+644>
0xc01eb5c3 <isp1020_intr_handler+631>: ud2a
0xc01eb5c5 <isp1020_intr_handler+633>: and %eax,(%eax)
0xc01eb5c7 <isp1020_intr_handler+635>: rcl %ah
0xc01eb5c9 <isp1020_intr_handler+637>: sub %al,%al
0xc01eb5cb <isp1020_intr_handler+639>: nop
0xc01eb5cc <isp1020_intr_handler+640>: lea 0x0(%esi,1),%esi
0xc01eb5d0 <isp1020_intr_handler+644>: mov 0x1cc(%ebp),%eax
0xc01eb5d6 <isp1020_intr_handler+650>: mov %edi,%ecx
0xc01eb5d8 <isp1020_intr_handler+652>: test %eax,%eax
0xc01eb5da <isp1020_intr_handler+654>: je 0xc01eb5e2 <isp1020_intr_handler+662>
0xc01eb5dc <isp1020_intr_handler+656>: mov %di,0x7a(%eax)
0xc01eb5e0 <isp1020_intr_handler+660>: jmp 0xc01eb604 <isp1020_intr_handler+696>
0xc01eb5e2 <isp1020_intr_handler+662>: mov 0xb4(%ebp),%edx
0xc01eb5e8 <isp1020_intr_handler+668>: mov 0xc039e538,%eax
0xc01eb5ed <isp1020_intr_handler+673>: add $0x7a,%edx
0xc01eb5f0 <isp1020_intr_handler+676>: test %eax,%eax
0xc01eb5f2 <isp1020_intr_handler+678>: je 0xc01eb600 <isp1020_intr_handler+692>
0xc01eb5f4 <isp1020_intr_handler+680>: mov %di,(%edx,%eax,1)
0xc01eb5f8 <isp1020_intr_handler+684>: jmp 0xc01eb604 <isp1020_intr_handler+696>
0xc01eb5fa <isp1020_intr_handler+686>: lea 0x0(%esi),%esi
0xc01eb600 <isp1020_intr_handler+692>: mov %ecx,%eax
0xc01eb602 <isp1020_intr_handler+694>: out %ax,(%dx)
0xc01eb604 <isp1020_intr_handler+696>: push %esi
0xc01eb605 <isp1020_intr_handler+697>: mov 0x120(%esi),%eax
0xc01eb60b <isp1020_intr_handler+703>: call *%eax
0xc01eb60d <isp1020_intr_handler+705>: add $0x4,%esp
0xc01eb610 <isp1020_intr_handler+708>: cmp 0x10(%esp,1),%edi
0xc01eb614 <isp1020_intr_handler+712>: jne 0xc01eb518 <isp1020_intr_handler+460>
0xc01eb61a <isp1020_intr_handler+718>: mov 0x14(%esp,1),%eax
0xc01eb61e <isp1020_intr_handler+722>: mov %edi,0xf4(%eax)
0xc01eb624 <isp1020_intr_handler+728>: pop %ebx
0xc01eb625 <isp1020_intr_handler+729>: pop %esi
0xc01eb626 <isp1020_intr_handler+730>: pop %edi
0xc01eb627 <isp1020_intr_handler+731>: pop %ebp
0xc01eb628 <isp1020_intr_handler+732>: pop %ecx
0xc01eb629 <isp1020_intr_handler+733>: pop %edx
0xc01eb62a <isp1020_intr_handler+734>: ret
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: panic from isp1020
2004-07-13 20:30 panic from isp1020 Martin J. Bligh
@ 2004-07-13 20:37 ` Martin J. Bligh
0 siblings, 0 replies; 2+ messages in thread
From: Martin J. Bligh @ 2004-07-13 20:37 UTC (permalink / raw)
To: linux-kernel
> The EIP according to addr2line is:
> Cmnd->result = isp1020_return_status(sts);
> (drivers/scsi/qlogicisp.c:1048)
>
> 0xc01eb588 <isp1020_intr_handler+572>: mov %eax,0x154(%esi)
>
> but esi is 0 ....
ie. Cmnd = NULL. Which was set above by:
Cmnd = hostdata->cmd_slots[cmd_slot];
M.
^ permalink raw reply [flat|nested] 2+ messages in thread
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