Re: btrfs oops on dodgy SSD

From: Li Zefan
Date: Wed Oct 06 2010 - 21:40:54 EST


Chris Mason wrote:
> On Wed, Oct 06, 2010 at 11:07:10AM +1000, Dave Airlie wrote:
>> I have an SSD which I use for scratch builds and stuff, it seems to be
>> broken or just dislike my NV sata controller.
>>
>> Was just running Linus tree and got the attached oops when doing a
>> kernel build on it this morning.
>>
>> oops didn't come out in logs, though there were some disk reset and a
>> hung task detect.
>>
>> Might help btrfs robustness maybe if we could avoid the panic ;-)
>
> Ouch, the oops was in the code printing a corrupted btree block. I
> should be able to easily trigger this at home...
>

This reminded me that weeks ago I found a bug in tree-printing code,
though unrelated to this oops.

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