From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Daniel Eisenbud <eisenbud@cs.swarthmore.edu>,
<linuxppc-dev@lists.linuxppc.org>
Subject: Re: Fwd: mesh SCSI bus locks hard on 7500 when burning a CD-R in dao mode
Date: Fri, 26 Jan 2001 12:07:24 +0100 [thread overview]
Message-ID: <19341221043908.3227@mailhost.mipsys.com> (raw)
In-Reply-To: <20010125165015.B15827@allspice.cs.swarthmore.edu>
>I have a Powermac 7500 (with a G3 accelerator.) I have replaced the
>internal CD-ROM with a Yamaha CD-RW drive. This sits on the mesh SCSI
>bus. I have the mesh driver configured to run at 5 megabytes/second
>(since I get massive SCSI problems all over the place if I set it to
>10.) Under a variety of kernels, from 2.2.15 or so to 2.4.0 from Paul
>Mackeras's tree, my SCSI setup is generally stable and I can burn CD-R
>disks just fine in track-at-once mode. However, if I try to burn a disk
>in disk-at-once mode, either with cdrdao or cdrecord, the SCSI bus
>appears to silently lock up hard, bringing down my whole machine.
>Nothing is logged at all, as far as I can tell. Has anyone had this
>problem before? Does anyone know of a solution? If not, how would I go
>about debugging this further?
Do you see any kind of kernel error messages on the console before it
locks up ?
Ben.
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2001-01-26 11:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-25 21:50 Fwd: mesh SCSI bus locks hard on 7500 when burning a CD-R in dao mode Daniel Eisenbud
2001-01-26 11:07 ` Benjamin Herrenschmidt [this message]
2001-01-26 17:22 ` Daniel Eisenbud
2001-01-27 11:39 ` Benjamin Herrenschmidt
2001-01-27 19:57 ` Daniel Eisenbud
2001-01-27 21:18 ` Daniel Eisenbud
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