Re: kern/40946: panic in scsipi_execute_xs

[6bone%6bone.informatik.uni-leipzig.de@localhost]

On Tue, 3 Mar 2009, Andrew Doran wrote:

> This is the real crash. rip=0 indicates that the kernel has jumped through a
> null function pointer somewhere. ddb needs enhancement to be able to trace
> back through these.

there is a new trace. the error occured at a time with high disk load. 
Unfortunately it is not possible to report a trace

fatal page fault in supervisor mode
trap type 6 code 0 rip 0 cs 8 rflags 10202 cr2  0 cpl 6 rsp 
ffff8000693f4ae0
kernel: page fault trap, code=0
Stopped in pid 0.2 (system) at  0:      invalid address
db{0}> trace
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff80520f1c cs 8 rflags 10246 cr2  0 cpl 8 rsp 
ffff0
kernel: page fault trap, code=0
Faulted in DDB; continuing...
db{0}> show register
ds          0x6e69
es          0x4ab8
fs          0
gs          0x7020
rdi         0xffff80001f2b8170
rsi         0xffff80001f279200
rbp         0xffff8000693f4b18
rbx         0xffff80001f2b8170
rdx         0xad400
rcx         0x2c0
rax         0x81c00
r8          0xa
r9          0
r10         0x1
r11         0xffffffff805074c0  _bus_dmamap_sync
r12         0x312
r13         0xffff80006cea4000
r14         0xffff80006ceb7000
r15         0x313
rip         0
cs          0x8
rflags      0x10202
rsp         0xffff8000693f4ae0
ss          0x10
0:      invalid address
db{0}>


Regards
Uwe