linux-kernel - Re: New 2.6.24.2 SG

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Message-ID: <47BF40D7.5050301@compro.net>
Date:	Fri, 22 Feb 2008 16:38:31 -0500
From:	Mark Hounschell <markh@...pro.net>
To:	markh@...pro.net
CC:	Mike Christie <michaelc@...wisc.edu>, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: New 2.6.24.2 SG_IO SCSI problems

Mark Hounschell wrote:
> Mike Christie wrote:
>> Mike Christie wrote:
>>> Mark Hounschell wrote:
>>>> I seem to have run into some sort of regression in the SG_IO
>>>> interface of 2.6.24.2. I have an application that up until 2.6.24
>>>> worked fine. The 2.6.23.16 kernel works fine.
>>>>
>>>> During reads I get these kernel messages. Writes and other functions
>>>> _seem_ OK. Actually basic
>>>> reads  are working. Its with large BC reads using an io_vec list that
>>>> the problem shows up.
>>>>
>>> Are you doing SG_IO to the sg device (/dev/sg*) or to the block device
>>> (/dev/sdX)?
>> If you are doing SG_IO to the sg device, then I know of one regression
>> (well not regression exactly, but I fixed a bug but the patch got
>> partially overwritten by another patch and that caused a new bug). Both
>> bugs are fixed in 2.6.25-rc2. Could you try that out if you are doing
>> SG_IO to the sg device.
>>
> 
> Yes, I'm using /dev/sg*. And yes again I'll checkout 2.6.25-rc2 ASIC.
> 
> Thanks
> Mark
> -
 
2.6.25-rc2 does fix the problem I'm having. I don't suppose there is a patch
lying around for 2.6.24.2??

Thanks
Mark

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