Date: Thu, 2 Jul 1998 17:47:52 +0900 (KST) From: swjeong <swjeong@net.kitel.co.kr> To: freebsd-scsi@FreeBSD.ORG Subject: Re: [Q] double-ending SCSI RESET problem Message-ID: <199807020847.RAA04249@net.kitel.co.kr>
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> >
> > On Thu, 2 Jul 1998, swjeong wrote:
> >
> >>
> >> After machine A boot, I booted machine B.
> >> In the middle of kernel-autoconfiguration-stage,
> >> many 'Someone reset channel A' messages occurs on machine A.
> >> Then A panics, if with luck, A remains alive.
> >
> > Yes, because there is no support for multiple hosts on the same bus.
> > Host B resets the bus, interupting stuff that host A is doing.
> >
> > Tom
>
> This is not true. The aic7xxx driver and CAM are supposed to be
> able to handle spurious resets. Satoshi had a setup like this
> running for some time with success using the -stable driver, but
> I must have broken something in the CAM version of the driver.
>
> Exact error messages will help me track this down.
>
Sorry, I made some mistake.
Exact Description is
After machine A boot, I booted machine B.
In the middle of kernel-autoconfiguration-stage,
many 'Someone reset channel A' messages occurs on machine A.
Then B panics, if with luck, B remains alive.
~~~~~~ ~~~~~~
Error message is
ahc0: ahc_intr - referenced scb not valid during SELTD scb (255,15)
Disconnected List Inconsistency. SCB index == 255, yet numscbs == 15.
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