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

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Date:	Wed, 14 Jan 2009 15:48:40 -0600
From:	Eric Sandeen <sandeen@...deen.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	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>,
	Lachlan McIlroy <lachlan@....com>,
	xfs mailing list <xfs@....sgi.com>
Subject: Re: [linux-dvb] compiling on 2.6.28 broken?

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....

> (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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