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Re: Still seeing hangs in xlog_grant_log_space

To: Ben Myers <bpm@xxxxxxx>
Subject: Re: Still seeing hangs in xlog_grant_log_space
From: Chris J Arges <chris.j.arges@xxxxxxxxxxxxx>
Date: Fri, 18 May 2012 11:53:57 -0500
Cc: linux-xfs@xxxxxxxxxxx, tinguely@xxxxxxx
In-reply-to: <4FB565C6.8080303@xxxxxxxxxxxxx>
References: <20120426224412.GA9541@dastard> <CADLDEKs6oMDA-6OhmcFxyRoBVpduKtSput=53TQGn9NCAOXC1Q@xxxxxxxxxxxxxx> <20120426230738.GB9541@dastard> <CADLDEKuKLeYiqhQW0E9g_bS0VXoxPGPOck3N004Pxg4_Opbzow@xxxxxxxxxxxxxx> <20120427110922.GF9541@dastard> <CADLDEKtUHAGcOPT1jtcvyJVk+zsoL5_thYFtHJYs+w=6EGuVSA@xxxxxxxxxxxxxx> <CADLDEKs4YbNzj2c0HKHwSdUfKy0efdQRe1rOsWDkWUgd+BOGHw@xxxxxxxxxxxxxx> <20120507171908.GA16881@xxxxxxx> <CADLDEKvgT_FcGhJKoPaQv0mh_Jqdaqu8SYatc9xxU7vOY217YQ@xxxxxxxxxxxxxx> <loom.20120510T180646-433@xxxxxxxxxxxxxx> <20120516184231.GK16099@xxxxxxx> <4FB565C6.8080303@xxxxxxxxxxxxx>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120410 Thunderbird/11.0.1
On 05/17/2012 03:55 PM, Chris J Arges wrote:
> On 05/16/2012 01:42 PM, Ben Myers wrote:
>> Hey Chris,
>>
>> On Thu, May 10, 2012 at 04:11:27PM +0000, Chris J Arges wrote:
>>> <snip>
>>>> Canonical attached them to the bug report that they filed yesterday:
>>>> http://oss.sgi.com/bugzilla/show_bug.cgi?id=922
>>>>
>>>> ...Juerg
>>>>
>>>
>>> Hello,
>>> I am able to reproduce this bug with the instructions posted in this bug. 
>>> Let me 
>>> know what I can do to help.
>>
>> The bug shows:
>>
>> |This has been tested on the following kernels which all exhibit the same
>> |failures:
>> |- 3.2.0-24 (Ubuntu Precise)
>> |- 3.4.0-rc4
>> |- 3.0.29
>> |- 3.1.10
>> |- 3.2.15
>> |- 3.3.2
>>
>> Can you find an older kernel that isn't broken?
>>
> Tested with Ubuntu Lucid 2.6.32-38-generic #38 (upstream 2.6.32.52), so
> far I am able to run the test for 5 hours, which on the same machine I
> have typically been able to reproduce in 2 hours. Will continue to run
> this, and on another system to verify.
> 

Tested with  Ubuntu Lucid 2.6.32-38-generic #38 (upstream 2.6.32.52).
This also fails, attaching the dmesg output as the backtrace looks
similar. Let me know if you'd like me to try any other versions.

The first test I did with lucid, it ran for 7 hours, and I stopped the
test. This morning I re-ran and it failed within 10 minutes. I guess I
got lucky the second time.

> --chris
> 
>> -Ben
>>
> 

Attachment: lucid-2.6.32-xfs-hang.dmesg
Description: Text document

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