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List:       freebsd-fs
Subject:    Re: infinite loop when copying to ext2fs
From:       Kris Kennaway <kris () FreeBSD ! org>
Date:       2008-03-01 21:22:26
Message-ID: 47C9C912.1020700 () FreeBSD ! org
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Jakub Siroky wrote:
> I've just confirmed the same situation on 6.2-RELEASE amd64/GENERIC. I
> did not noticed it before because I started using ext2fs extensively
> some months ago.
> 
> Regards,
> Jakub
> 
> On Sat, 19 Jan 2008 16:44:34 +0100
> Kris Kennaway <kris@FreeBSD.org> wrote:
> 
>> 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
> 
> 

Sounds like it may have been broken by the change to ext2_bitops.h by 
cracauer.  Can you confirm whether backing out 1.2.2.1 fixes it?

Kris

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