Re: 2.2.5ac7 IDE-SCSI Generic SCSI issues back

Christoph Lameter (christoph@lameter.com)
Mon, 19 Apr 1999 09:02:22 -0700 (PDT)


On Sun, 18 Apr 1999, Jens Axboe wrote:

> I looked through the changes from -ac1 to -ac7, and found nothing
> that could be causing this behavior... Nothing changed in ide relevant
> sections or ide-scsi, for that matter. Is this with the same config?
> You didn't enable DMA or something in between?

No DMA. The IDE interface works just fine. Only when using /dev/sg0 does
the problem come up. Maybe it has to do with fragmentation of memory and
scatter gather support?

> Doug, I also checked the sg updates and the change is really miniscule.
> If the config options didn't change between the two runs, I'm baffled...

Will do some more tests.

-----------------------------------------------------------------------------
Christoph Lameter, MSCS, M.Div.
Available for a job or consulting (see http://lameter.com/consulting.html)
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