[4577] in linux-scsi channel archive
Re: Panic in scsi.c
daemon@ATHENA.MIT.EDU (info@lianelle.com.au)
Wed Aug 19 00:04:54 1998
Date: Wed, 19 Aug 1998 13:59:20 +1000
From: info@lianelle.com.au
To: Richard Waltham <dormouse@farsrobt.demon.co.uk>,
linux-scsi@vger.rutgers.edu
Richard Waltham wrote:
>
> Hi,
>
> I can generate the following panic in scsi.c at will using a CD media
> changer - Nakamichi MBR-7.
>
> Happens with kernel versions 2.0.35 and 2.0.36-pre6. I haven't checked any
> others.
>
> Attempt to allocate device channel 0, target 6, lun x
> Kernel Panic: No Device found in allocate_device().
I have a MBR-7 and I've had only a few problems with it, most of my
problems
have been with the linux scsi drivers.
My MBR7 was the only thing attached to my AHA1542CF. Originally, the
aha1542.c
would not recognise my card.. after much huffing and puffing I found a
line
in aha1542.c that only probed for cards on 0x300 and 0x330 or something
- great,
my card was on 0x134. So I changed the code and restarted. It detected
the
SCSI card but all manner of timeout errors came. Turns out the only way
I could
fix this was to put a device INSIDE the PC so both ends had a device and
both
ends were terminated (despite even with only an external device it was
terminated).
I've also found if you're putting burnt media into the MBR7 make sure
its
gold media, the MBR-7 will NOT read green media and locks the system
when
attempting to mount it.
Hope that helps.
Cheers.
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