Re: Adaptec SCSI driver lockups

From: Luc Lalonde (llalonde@giref.ulaval.ca)
Date: Thu Jul 12 2001 - 17:10:26 EST


Thanks for your note Jussi.

I don't think that this applies here. The tape drive is alone on this
controller.

Cheers, Luc.

Jussi Laako wrote:
>
> Luc Lalonde wrote:
> >
> > I suspect that it is a problem with the Adaptec 39160 SCSI controller
> > that is on my system (aic799). The lockups always occur when I'm
> > backing up to my HP DAT40 that is connected to channel A of this SCSI
>
> Our HP DAT (24 GB) occasionally locks up. This doesn't lead to system
> lockup, but it's probably because there are no HDDs connected to SCSI bus.
> Resetting the DAT (by cycling power) doesn't help, the SCSI
> controller/driver gets somehow confused. It requires hardware reset.
>
> This happened also with OpenBSD, although power cycling the DAT fixed the
> situation there. I believe it's either buggy software in DAT drive or the
> drive is breaking up (those thingies seem to last for about two years). (Or
> there is some other SCSI hardware related issue.)
>
> I have tested this with 2940/2930 cards. I think it could lead to system
> lockup if there were SCSI HDD with swap connected to same controller.
>
> - Jussi Laako
>
> --
> PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B
> Available at PGP keyservers

-- 
Luc Lalonde, Responsable du reseau GIREF

Telephone: (418) 656-2131 poste 6623 Courriel: llalonde@giref.ulaval.ca


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