linux-kernel - Re: [linux-dvb] compiling on 2.6.28 broken?

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Message-ID: <496E6DE1.2030808@sgi.com>
Date:	Thu, 15 Jan 2009 09:57:37 +1100
From:	Lachlan McIlroy <lachlan@....com>
To:	Eric Sandeen <sandeen@...deen.net>
CC:	Andrew Morton <akpm@...ux-foundation.org>, chris.mason@...cle.com,
	handygewinnspiel@....de, matthew@....cx, rjw@...k.pl,
	HWerner4@....de, viro@...iv.linux.org.uk,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	mchehab@...radead.org, stable@...nel.org,
	Christoph Hellwig <hch@....de>,
	xfs mailing list <xfs@....sgi.com>
Subject: Re: [linux-dvb] compiling on 2.6.28 broken?

Eric Sandeen wrote:
> Andrew Morton wrote:
>> On Wed, 14 Jan 2009 15:35:46 -0600
>> Eric Sandeen <sandeen@...deen.net> wrote:
>>
>>> Chris Mason wrote:
>>>> On Wed, 2009-01-14 at 22:19 +0100, wk wrote:
>>> ...
>>>>> I cannot fully understand what strace -v outputs (see attachment), but 
>>>>> what i see is that 'find' stops after finding a file with d_off = 4294967295
>>>>> 4294967295  =  0xFFFFFFFF, adding any number greater that zero will be 
>>>>> greater that 32bits, so this could be the reason for the message "value 
>>>>> too large".
>>>>>
>>>>>
>>>>>
>>>>> I also noticed that i cannot access these files through samba if i boot 
>>>>> from 2.6.28 - really strange.
>>>>> If i reboot older kernels these are visible in samba again and fully 
>>>>> accessible.
>>>>>
>>>>> Attached the log from stracing the command which was ivoked by the 
>>>>> Makefile from v4l-dvb.
>>>>> I guess this is all i could contribute to that problem. Thats stuff for 
>>>>> xfs filesystem experts now..
>>>> Seems suspect indeed.  Could you please attach the strace for the run
>>>> that works on the older kernel?
>>> Chris got my attention on this one; you probably want this fix from hch:
>>>
>>> http://oss.sgi.com/archives/xfs/2009-01/msg00158.html
>>>
>> Looks likely.  It is below, for anyone who would like to test it.
>>
>>
>> It is in linux-next.  Guys, do we plan to merge this into 2.6.29?
> 
> It should be merged there, yes.  Was hoping that sgi would request that
> soon....
I was going to do it yesterday after merging in another patch series but
there was problem with one of the patches.  I'll get a pull request out
real soon.

> 
>> (cc's stable@...nel.org)
>>
>> This patch applies OK to 2.6.27 and 2.6.28.  Is it also needed there? 
>> If so, it should have had "Cc: <stable@...nel.org>" in the changelog so
>> that it doesn't get lost.
>>
> 
> It is needed for .28, but should not be needed for .27 AFAIK.
> 
> -Eric
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