DragonFly BSD
DragonFly bugs List (threaded) for 2009-12
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Re: panic: spin_lock: 0xe4ad1320, indefinitive wait!


From: Antonio Huete Jimenez <ahuete.devel@xxxxxxxxx>
Date: Tue, 22 Dec 2009 11:44:54 +0100

Hi Petr,

Could you please upload the dump to somewhere where we can grab it?

Thanks,
Antonio Huete

2009/12/22  <elekktretterr@exemail.com.au>:
> 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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