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From: Mark Hounschell <markh@compro.net>
To: markh@compro.net
Cc: Mike Christie <michaelc@cs.wisc.edu>,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: New 2.6.24.2 SG_IO SCSI problems
Date: Fri, 22 Feb 2008 16:38:31 -0500	[thread overview]
Message-ID: <47BF40D7.5050301@compro.net> (raw)
In-Reply-To: <47BF0CE2.306@compro.net>

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


  reply	other threads:[~2008-02-22 21:41 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-21 15:15 New 2.6.24.2 SG_IO SCSI problems Mark Hounschell
2008-02-21 15:41 ` James Bottomley
2008-02-21 16:21   ` Mark Hounschell
2008-02-22 10:03     ` Mark Hounschell
2008-02-22 16:50 ` Mike Christie
2008-02-22 16:59   ` Mike Christie
2008-02-22 17:56     ` Mark Hounschell
2008-02-22 21:38       ` Mark Hounschell [this message]
2008-02-22 22:25         ` Mike Christie
2008-02-22 22:48           ` Tony Battersby
2008-02-23 11:16           ` Mark Hounschell
2008-03-05 11:58           ` Mark Hounschell
2008-03-05 15:44             ` James Bottomley
2008-03-05 16:28               ` Mark Hounschell
2008-03-05 17:13               ` Mike Christie

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