panic on boot with fresh current

Bryan Drewery bryan-lists at shatow.net
Sat Aug 10 21:29:35 UTC 2013


On 8/10/2013 1:21 PM, Konstantin Belousov wrote:
> On Sat, Aug 10, 2013 at 08:45:47PM +0300, Konstantin Belousov wrote:
>> On Sat, Aug 10, 2013 at 08:44:07PM +0300, Konstantin Belousov wrote:
>>> On Sat, Aug 10, 2013 at 12:15:35PM -0500, Bryan Drewery wrote:
>>>> On 8/10/2013 11:44 AM, Bryan Drewery wrote:
>>>>> On 8/10/2013 6:24 AM, Joel Dahl wrote:
>>>>>> panic: witness_init: pending locks list is too small, increase
>>>>>> WITNESS_PENDLIST
>>>>> I also get this. The last stable revision for me was r254150
>>>>
>>>> r254150 stable, r254171 panic.
>>>>
>>>> backtrace: https://dl.dropboxusercontent.com/u/8732004/r254171-panic.jpg
>>>
>>> So could you point to exact commit which causes panic ?
>> It is r254167, right ?
>>
> So I cannot reproduce it locally.  The problem is that r254167 moved sleepq
> initialization before witness is operational, and witness has a backlog
> of locks initialized before witness init.  The backlog overflown.
> 
> The right fix looks to be just what the panic message told, please try
> this:


Yup this patch fixed it, as stated.

Thank you for looking at this.


-- 
Regards,
Bryan Drewery



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