Re: glusterfs crash with mainline-2.5 patch 260 with dbench

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Hi Dale,
This bug is fixed in patch-270. Again, a big thanks for having a little bit
different spec file than the normal, which made the bug to show up :p

For the information of list, Dale was using io-threads below unify but
above client-protocol in client side, so he had two io-threads below unify.
(below, above corresponds to call flow, as in fuse comes at the top, and
posix comes at the bottom). We used to regularly test with a setup where
io-threads used to be above unify, so never hit on this bug.

Thanks again.
-bulde

On 7/3/07, Dale Dude <dale@xxxxxxxxxxxxxxx> wrote:

I had just turned it on actually. Trying your 'du -h' freezes the whole
box freezes for a few seconds and glusterfsd cores only:

#0  0x00002aaaab07b35a in strncpy () from /lib/libc.so.6
#1  0x00002aaaab66a8bd in server_writedir (frame=0x2aaaab908610,
bound_xl=0x5097f0, params=<value optimized out>) at server-protocol.c:4520
#2  0x0000000000000000 in ?? ()


Harris Landgarten wrote:
> Dale,
>
> Have you had any problems with posix-locks. Yesterday I could not
complete a du -h with it in the server chain. There have been a lot of fixes
since but none I saw dealt directly with posix-locks.
>
> Harris
>
> ----- Original Message -----
> From: "Dale Dude" <dale@xxxxxxxxxxxxxxx>
> To: "gluster-devel" <gluster-devel@xxxxxxxxxx>
> Sent: Monday, July 2, 2007 5:32:38 PM (GMT-0500) America/New_York
> Subject: Re: glusterfs crash with mainline-2.5 patch 260
with dbench
>
> Reply to list. Sorry for the direct email Harris ;)
>
> Dale Dude wrote:
>
>> Im now just using the below. After taking out iocache on the client
>> there is no more crash. Thanks much for the ping,  Harris.
>>
>> Server: posix, posix-locks, io-threads, server
>> Client: client, io-threads, RR unify, writebehind, readahead
>>
>> Dale
>>
>> Harris Landgarten wrote:
>>
>>> Dale,
>>>
>>> I was only using unify, readahead and writebehind on the client. I
have io-threads on the server
>>>
>>> Harris
>>>
>>> ----- Original Message -----
>>> From: "Dale Dude" <dale@xxxxxxxxxxxxxxx>
>>> To: "gluster-devel" <gluster-devel@xxxxxxxxxx>
>>> Sent: Monday, July 2, 2007 5:18:40 PM (GMT-0500) America/New_York
>>> Subject: Re: glusterfs crash with mainline-2.5 patch
260 with dbench
>>>
>>> Removing performance/io-cache from glusterfs-client.vol solves this.
Now
>>> only using writebehind.
>>>
>>> Dale
>>>
>>> Dale Dude wrote:
>>>
>>>
>>>> Ran again with 261 (which only seems to fix perms?) with same
results.
>>>> Using ubuntu dapper (2.6.15-28-amd64-server) with fuse 2.6.5.
>>>>
>>>> I only have one dbench test file so I have no choice.
>>>> -rw-r--r-- 1 root root 26214401 2005-11-19 21:19
>>>> /usr/share/dbench/client.txt
>>>>
>>>>
>>>>
>>> _______________________________________________
>>> Gluster-devel mailing list
>>> Gluster-devel@xxxxxxxxxx
>>> http://lists.nongnu.org/mailman/listinfo/gluster-devel
>>>
>>>
>>>
>>>
> _______________________________________________
> Gluster-devel mailing list
> Gluster-devel@xxxxxxxxxx
> http://lists.nongnu.org/mailman/listinfo/gluster-devel
>
>
>
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--
Amar Tumballi
http://amar.80x25.org
[bulde on #gluster/irc.gnu.org]


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