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Date: Sat, 19 Jan 2008 16:44:34 +0100
From: Kris Kennaway <kris@FreeBSD.org>
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Cc: freebsd-fs@freebsd.org, Jakub Siroky <jakob@dev.citybikes.cz>
Subject: infinite loop when copying to ext2fs
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Kris Kennaway wrote:
> Jakub Siroky wrote:
>> I have two large ext2fs partitions (368 and 313GB) to hold data shared 
>> between several OSes. While there were no problems on 6-STABLE branch 
>> I was quite disappointed after upgrade to 7-STABLE. Whenever I 
>> copy/write to ext2fs partition the system freezes totally without 
>> crashdump. So I set debugging settings to kernel config 
>> (DEBUG,WITNESS,..) and in console I reproduced error situation ending 
>> with full screen of unstoppable running text with lot of memory 
>> addresses and a few recognisable words: 'new block bit set for ext 
>> already' - again with no crashdump. Then I have formatted 1GB 
>> partition with ext2fs and the problem on this small partition appears 
>> only sometimes. 
> 
> OK, I am able to reproduce this.
> 
> Kris
> 

Is anyone able to look at this?  I could not spot a candidate change 
that has not been merged to 6.x.

Kris