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Bug #1634

Updated by tuxillo about 5 years ago

Our dragonfly box has got a panic last night. it runs master from last week.



I wrote down some text from the panic:



mp_lock = 00000002; cpuid = 2



Trace beginning at frame 0xe42d3b88



panic(...)

panic(...)

exponential_backoff(ff010000, 1 ,3c, e4ad1320, c727dbb)

spin_lock_wr_contested(e4ad1320, 0000000)

crfree(e4ad12b0,2, e42f3cc4, c00ef73, e42f3c00)

nlookup_done(e42f3c00, e4960720, c0304fe3, 0, c0384b5c)

sys_lstat(e32f3cf0,6,0,0dd9fce18)

syscall2(e42f3d440)



Whoever can understand this, can you tell me what happened and how can

this be fixed?



Also, is there any way to automate this: when panic occurs, automatically

start a memory dump process and then automatically reboot? I've been going

to the data center way too many times recently to investigate why the box

has crashed and it would be very helpful.



Petr

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