Re: Fdomain + CD ROM access -> kernel panic

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sat, 4 Sep 1999 21:25:13 +0100 (BST)

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Reply: Dean Martin Townsley: "Re: Fdomain + CD ROM access -> kernel panic"

> Kernel panic: scsi: <fdomain> fdomain_16x0_queue() NOT REENTRANT!
> In swapper task - not syncing
>
> Using either the CD or the SCSI without accessing the other works fine. I've
> tried all kinds of stuff (moving cards around, changing BIOS settings etc etc)
> to no avail. Any suggestions on a way to figure out what is going on would
> be much appreciated.

It seems to be a bug in the SCSI layer handling code. I can duplicate this
in some other cases where the scsi layer queues commands when the driver
has explicitly said not to do so.

A hack that kind of seems to work is to edit the .h file for the driver and
turn off queueing support.

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In reply to: Dean Martin Townsley: "Fdomain + CD ROM access -> kernel panic"
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