Re: New 2.6.24.2 SG_IO SCSI problems

Mark Hounschell
2008-02-22T18:00:26Z

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