From owner-aic7xxx  Wed Feb 10 07:07:50 1999
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Date: Wed, 10 Feb 1999 10:07:28 -0500
From: Doug Ledford <dledford@redhat.com>
Organization: RedHat Softwarem, Inc.
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To: Stephane <dtstb@vdp.fr>
CC: AIC7xxx@FreeBSD.ORG
Subject: Re: machine hang !
References: <199902101501410770.7221B65A@mail.vdp.fr>
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Stephane wrote:
> 
>     Hi, (sorry for my very bad english)
> 
>   I just recevied my new DELL PowerEdge 6300/400
> 
>   Bi PII Xeon 400
>   512 Mb
>   PCI 32/64 Bits (No ISA/EISA/...)
>   2 x AIC7890 (On Board Primary SCSI A & B)
>   1 x AIC7860 (On Board Secondary SCSI)
> 
>   1) All controllers enables
>   I boot with a rescue Linux disk
>   $> insmod aic7xxx
>   Result: The screen go blanck (no video signal)
>           and the machine is freezed.
> 
>   2) All controllers enables
>   I boot with a Linux kernel 2.2.1 SCSI-Driver 5.1.11
>   (builded with make bzdisk)
>   Result: Same as 1)
> 
>   3) Secondary controller disabled (7860)
>   Result: Same as 1)
> 
>   3) All primary controllers disabled (7890)
>   Result: Things go well ! The driver detect
>           the controller and discover the
>           cd-rom pluged on it. The system
>           do not crash.
> 
>   I'm afraid !! What can I do ?

insmod aic7xxx aic7xxx=no_probe 

That command line will solve your problem.  It disables the EISA/VLB probe and
the chipset in use in the 6300 machines requires that those be disabled in
order to be reliable (aka, not to black-screen).

-- 
  Doug Ledford   <dledford@redhat.com>
   Opinions expressed are my own, but
      they should be everybody's.

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