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Re: port-amd64/39283: Kernel crash on Dell Poweredge 2950
Hi again,
Just curious, was the information of any use?
Regards
Fredrik
>> Hi,
>>
>> The next time it crashes like this, please do "show reg". Take the value
>> of
>> 'rsp' and do something like this:
>>
>> x/Lx 0xffffffff12345678,40
>>
>> ... adding the ,40 at the end. That will dump some of the stack. Go
>> through each value dumped, one at a time, until you find something
>> useful
>> giving each value to this command:
>>
>> x/I 0xffffffff12345678
>>
>> You will get a function name at some point - probably on the first
>> value.
>> It
>> will show us where the call to NULL is being made from.
>>
>> Thanks,
>> Andrew
>>
>
> Hi,
>
> The machine hanged sometime tonight again, here is the stack dump, hope it
> helps:
>
> db{0}> show reg
> ds 0x10
> es 0xc4c8
> fs 0x7
> gs 0x8
> rdi 0x6
> rsi 0x3f8
> rbp 0xffff80004f8ac508
> rbx 0xffff80004f8ac518
> rdx 0x8
> rcx 0x6
> rax 0x1
> r8 0xffffffff80a2a98a copyright+0x8b48a
> r9 0x1
> r10 0xffff80004f8ac428
> r11 0xffffffff802db6f0 comcnputc
> r12 0x100
> r13 0xffffffff809ea668 copyright+0x4b168
> r14 0x6
> r15 0x1
> rip 0xffffffff80552aa5 breakpoint+0x5
> cs 0x8
> rflags 0x246
> rsp 0xffff80004f8ac508
> ss 0x10
> netbsd:breakpoint+0x5: leave
>
> db{0}> x/Lx 0xffff80004f8ac508,40
> 0xffff80004f8ac508: ffff80004f8ac608 ffffffff80490470
> 30000000
> 08 ffff80004f8ac618 ffff80004f8ac538
> ffff80004f8ac618
> ffff80004f8ac548 3f8 8
> 0xffff80004f8ac550: 6 ffffffff80a2a98a 0
> 0xffff80004f8ac568: ffffffff80cf6dc0 0 6
> 0xffff80004f8ac580: 1 ffff80004f8ac648 6
> 0xffff80004f8ac598: ffff800007dbf500 ffff80004b26a000
> ffff8000
> 4f8ac608 ffffffff80487e61 ffff800000000000 3
> 0xffff80004f8ac5c8: 0 ffffffff801158ae 8
> 0xffff80004f8ac5e0: 7 ffff80004f8ac5f8
> ffffffff
> 80cf6dc0 ffffffff809ea9c0 ffffffff807c8960
> ffff80004f8ac648
> ffffffff80487fc3 6008ac668 4
> 0xffff80004f8ac628: ffffffff80ccdf30 ffff80004b26a000
> ffffffff
> 80ccdf30 3d ffff80004f8ac678
> ffffffff8045db26
> ffffffff80c1b640 ffffffff80ccde80 ffffffff80c1b640
> 0xffff80004f8ac670: 1 ffff80004f8ac6d8
> ffffffff
> 8048e2fa ffff80004f8ac6d8 1ffffff80489153 0
> 0xffff80004f8ac6a0: ffffffff80481b0d 600000000
> ffffffff
> 80ccde80 ffffffff80c1b640 1 0
> 0xffff80004f8ac6d0: 3d ffff80004f8ac6f8
> ffffffff
> 8048e60c ffffffff80ccdff0 ffffffff80cbd630
> ffff80004f8ac738
> ffffffff80481b2e
>
> db{0}> x/I 0xffff80004f8ac508
> 0xffff80004f8ac508: orb %al,%dh
>
>
> db{0}> x/I 0xffff80004f8ac608
> 0xffff80004f8ac608: rex.w movb $0xff,0xffffffffff80004f(%rdx)
>
> db{0}> x/I ffffffff80490470
> netbsd:panic+0x260: jmp netbsd:panic+0x251
>
> db{0}> x/I 3000000008
> 0x3000000008:fatal page fault in supervisor mode
> trap type 6 code 0 rip ffffffff805532d7 cs 8 rflags 10216 cr2
> 7fbfc00c0000 cpl 8 rsp ffff80004f8abf50
> kernel: page fault trap, code=0
> Faulted in DDB; continuing...
>
> db{0}> x/I ffff80004f8ac618
> 0xffff80004f8ac618: pushl $0x6008ac6
>
> db{0}> x/I ffff80004f8ac538
> 0xffff80004f8ac538: rex.w ldsq 0xffffffffff80004f(%rdx),%rcx
>
> db{0}> x/I ffff80004f8ac618
> 0xffff80004f8ac618: pushl $0x6008ac6
>
> db{0}> x/I ffff80004f8ac548
> 0xffff80004f8ac548: orb %al,0(%rax)
>
> db{0}> x/I 0xffff80004f8ac550
> 0xffff80004f8ac550: push %es
>
> db{0}> x/I 0xffffffff80a2a98a
> netbsd:copyright+0x8b48a: orb 0(%rax),%al
>
> db{0}> x/I 0xffff80004f8ac568
> 0xffff80004f8ac568: shrb $0x80,0xffffffffffffffcf(%rbp)
>
> db{0}> x/I 0xffffffff80cf6dc0
> netbsd:ld_prime+0x2d00: call 0xffffffff812a89e0
>
> db{0}> x/I 0xffff80004f8ac580
> 0xffff80004f8ac580: addl %eax,0(%rax)
>
> db{0}> x/I 0xffff80004f8ac648
> 0xffff80004f8ac648: js 0xffff80004f8ac610
>
> db{0}> x/I 0xffff80004f8ac598
> 0xffff80004f8ac598: addb %dh,%ch
>
> db{0}> x/I 0xffff800007dbf500
> 0xffff800007dbf500: pop %es
>
> db{0}> x/I 0xffff80004b26a000
> 0xffff80004b26a000: addb %al,0(%rax)
>
> db{0}> x/I 0xffff8000
> 0xffff8000:fatal page fault in supervisor mode
> trap type 6 code 0 rip ffffffff805532d7 cs 8 rflags 10217 cr2
> 7fbfc0003ff8 cpl 8 rsp ffff80004f8abf50
> kernel: page fault trap, code=0
> Faulted in DDB; continuing...
>
> db{0}> x/I 0xffffffff80487e61
> netbsd:lockdebug_dump+0x111: rex.wb movq 0x40(%r13),%rdi
>
> db{0}> x/I 0xffff80004f8ac5c8
> 0xffff80004f8ac5c8: addb %al,0(%rax)
>
> db{0}> x/I 0xffffffff801158ae
> netbsd:Xspllower+0xe: movl %ebx,%eax
>
> db{0}> x/I 0xffff80004f8ac5e0
> 0xffff80004f8ac5e0: pop %es
>
> db{0}> x/I 0xffff80004f8ac5f8
> 0xffff80004f8ac5f8: shrb $0xff,0xffffffffffff809e(%rcx)
>
> db{0}> x/I 0xffffffff80cf6dc0
> netbsd:ld_prime+0x2d00: call 0xffffffff812a89e0
>
> db{0}> x/I 0xffffffff809ea9c0
> netbsd:copyright+0x4b4c0: popal
>
> db{0}> x/I 0xffffffff807c8960
> netbsd:__func__.7368: insb %dx,%es:(%rdi)
>
> db{0}> x/I 0xffff80004f8ac648
> 0xffff80004f8ac648: js 0xffff80004f8ac610
>
> db{0}> x/I 0xffffffff80487fc3
> netbsd:lockdebug_abort1+0xd3: nop
>
> db{0}> x/I 0xffff80004f8ac628
> 0xffff80004f8ac628: xorb %bl,%bh
>
> db{0}> x/I ffffffff80ccdf30
> netbsd:l2cap_pdu_pool+0xb0: addb $-0x60,%al
>
> db{0}> x/I 0xffff80004b26a000
> 0xffff80004b26a000: addb %al,0(%rax)
>
> db{0}> x/I 0xffff80004f8ac678
> 0xffff80004f8ac678: fadd %st(6),%st
>
> db{0}> x/I 0xffffffff8045db26
> netbsd:mutex_tryenter+0x1a6: jmp netbsd:mutex_tryenter+0x59
>
> db{0}> x/I 0xffffffff80c1b640
> netbsd:pool_allocator_kmem: loopne netbsd:pool_allocator_meta+0x2b
>
> db{0}> x/I 0xffffffff80ccde80
> netbsd:l2cap_pdu_pool: andb %ah,%al
>
> db{0}> x/I 0xffffffff80c1b640
> netbsd:pool_allocator_kmem: loopne netbsd:pool_allocator_meta+0x2b
>
> db{0}> x/I 0xffff80004f8ac670
> 0xffff80004f8ac670: addl %eax,0(%rax)
>
> db{0}> x/I 0xffff80004f8ac6d8
> 0xffff80004f8ac6d8: clc
>
> db{0}> x/I 0x1ffffff80489153
> 0x1ffffff80489153:fatal protection fault in supervisor mode
> trap type 4 code 0 rip ffffffff80554360 cs 8 rflags 10246 cr2
> 7fbfffe03330 cpl 8 rsp ffff80004f8abf10
> kernel: protection fault trap, code=0
> Faulted in DDB; continuing...
>
> db{0}> x/I 0x0xffff80004f8ac6a0
> Bad character in number
>
> db{0}> x/I 0xffffffff80481b0d
> netbsd:callback_run_roundrobin+0x2d: rex.rb movl 0x38(%r12),%r15d
>
> db{0}> x/I 0xffff80004f8ac6f8
> 0xffff80004f8ac6f8: cmpb %al,%bh
>
> db{0}> x/I 0xffffffff8048e60c
> netbsd:pool_reclaim_callback+0x2c: rex.wr movq %r12,%rdi
>
> db{0}> x/I 0xffffffff80ccdff0
> netbsd:l2cap_pdu_pool+0x170: nop
>
> db{0}> x/I 0xffffffff80cbd630
> netbsd:kmem_map_store+0x130: addl $0x6,%eax
>
> db{0}> x/I 0xffff80004f8ac738
> 0xffff80004f8ac738: testb $0xc7,%al
>
> db{0}> x/I ffffffff80481b2e
> netbsd:callback_run_roundrobin+0x4e: rex.b movl %eax,%r14d
>
>
> Regards
> Fredrik
>
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