[Gluster-devel] Possibly root cause for the Gluster regression test cores?

[Joe Julian]

I've used clear-locks but to be fair, it's been a while and IIRC it was to recover from some other bug. 

On April 8, 2015 6:13:44 AM PDT, Pranith Kumar Karampuri <pkarampu at redhat.com> wrote:
>
>On 04/08/2015 06:20 PM, Justin Clift wrote:
>> Hi Pranith,
>>
>> Hagarth mentioned in the weekly IRC meeting that you have an
>> idea what might be causing the regression tests to generate
>> cores?
>>
>> Can you outline that quickly, as Jeff has some time and might
>> be able to help narrow it down further. :)
>>
>> (and these core files are really annoying :/)
>I feel it is a lot like 
>https://bugzilla.redhat.com/show_bug.cgi?id=1184417. clear-locks
>command 
>is not handled properly after we did the client_t refactor. I believe 
>that is the reason for the crashes but I could be wrong. But After 
>looking at the code I feel there is high probability that this is the 
>issue. I didn't find it easy to fix. We will need to change the lock 
>structure list maintenance heavily. Easier thing would be to disable 
>clear-locks functionality tests in the regression as it is not
>something 
>that is used by the users IMO and see if it indeed is the same issue. 
>There are 2 tests using this command:
>18:34:00 :) ⚡ git grep clear-locks tests
>tests/bugs/disperse/bug-1179050.t:TEST $CLI volume clear-locks $V0 / 
>kind all inode
>tests/bugs/glusterd/bug-824753-file-locker.c: "gluster volume 
>clear-locks %s /%s kind all posix 0,7-1 |"
>
>If even after disabling these two tests it fails then we will need to 
>look again. I think jeff's patch which will find the test which 
>triggered the core should help here.
>
>Pranith
>>
>> Regards and best wishes,
>>
>> Justin Clift
>>
>> --
>> GlusterFS - http://www.gluster.org
>>
>> An open source, distributed file system scaling to several
>> petabytes, and handling thousands of clients.
>>
>> My personal twitter: twitter.com/realjustinclift
>>
>
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