Re: Linux sg and sense codes

Matto Marjanovic (maddog@mir.com)
Fri, 17 Dec 1999 13:17:17 -0500

>If the newer regime is used ("eh_code") then the request
>by the sg driver for no retries is almost always honoured.
>So there shouldn't be any retries, resets, etc
>
>If the older regime is used then the situation described
>above occurs. [If the ".h" or the ".c" file of your
>adapter source contains something like:
> use_new_eh_code: 1
>then this is the newer regime. If not, it is using the older
>regime.]
>
>Unfortunately, a large majority of linux scsi adapter drivers
>(including aic7xxx) use the older regime. The maintainer of
>the scsi mid level, Eric Youngdale, has renewed his push
>for the adapter driver maintainers to upgrade to the newer
>regime. The nature of open software development makes it
>difficult to force such an issue too hard but things are
>changing slowly.
>
>Sorry the answer couldn't be a bit more positive.

That's a great answer: it's moving in the right direction!
And now when someone complains about errors related to this problem,
I can tell them to harass the author of their scsi card driver to
get with the new program.

Thanks,
matt m.

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