cvs commit: src/sys/dev/aic7xxx aic79xx.c aic7xxx.c

Nate Lawson nate at
Mon Jun 9 11:10:05 PDT 2003

On Fri, 6 Jun 2003, Justin T. Gibbs wrote:
>   Modified files:
>     sys/dev/aic7xxx      aic79xx.c aic7xxx.c
>   Log:
>   Work around SCSI spec violation by the Quantum Atlas 10K.
>   This drive delays going async after receiving a WDTR
>   message.  We now send an SDTR message after a WDTR even
>   if our goal is to go async.  This should work even for
>   confused devices.
>   If we get an unexpected busfree when attempting a WDTR
>   or SDTR, only set the goal negotiation parameters we were
>   trying to negotiate to off.  This means that should a WDTR
>   message fail, we will still try an SDTR if our goal is
>   non-async.

I have one of these drives on a 2940U2W.  What would be the symptoms of
this bug?  It appears this problem is only for 79xx series cards?


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