Date: Tue, 29 Sep 1998 23:52:50 -0500 From: Doug Ledford <dledford@dialnet.net> To: Heinz Mauelshagen <mauelsha@ez-darmstadt.telekom.de> Cc: aic7xxx@FreeBSD.ORG, mge@ts1.ez-darmstadt.telekom.de Subject: Re: aic7xxx SMP lockup Message-ID: <3611B922.DEA0F058@dialnet.net> References: <9809290704.AA21893@mailgate99.telekom.de>
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Heinz Mauelshagen wrote:
>
> Have a hard lockup on a 2 * PII/350 ASUS P2B-DS system (Linux 2.1.120,
> aic7xxx 5.1.0-pre10), if i use 1 interrupt for 2 * 2940UW and a 2940W.
> The onboard 7890 uses a different interrupt.
> Each scsi host has several disks and/or cd roms and/or tapes connected.
>
> Can reproduce the lockup after each reboot by fsck'ing a 10G fs.
>
> If let the 2940(U)Ws use different interrupts everything seems to be o.k.
>
> Did i miss that sharing of an IRQ by several aic7xxx driven host
> adapters isn't possible in SMP envorinments?
>
> BTW: a UP PPro didn't lockup in the same scsi host/disk etc. environment
> sharing 1 irq.
>
> Any hints?
Not yet. I think's it's an IO-APIC problem, but we are working on it.
--
Doug Ledford <dledford@dialnet.net>
Opinions expressed are my own, but
they should be everybody's.
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