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DPT & SCSI timeouts, Bus errors

daemon@ATHENA.MIT.EDU (Petri T J Mattila)
Thu Dec 26 19:20:28 1996

Date: 	Fri, 27 Dec 1996 02:17:30 +0200 (EET)
From: Petri T J Mattila <ptjmatti@cc.helsinki.fi>
To: SCSI list <linux-scsi@vger.rutgers.edu>


Hi,

I have DPT2044W + RC4040 controller with 16Mb cache RAM,
three Seagate Barracuda 4LP disks, configured to RAID-5.
With raw device writes, I get  "aborting command due to timeout" 
and "SCSI_ABORT_BUSY" error messages. 
Even mke2fs on any partition will produce those and 
eventually die with "Bus error". If I run
"dd if=/dev/zero of=/dev/sda1 bs=1k", the machine starts
to generate timeouts and eventually reboot without
any further warning.

The machine is a new Intel Tucson with 166MHz Pentium,
32Mb ECC memory, currently no other cards than DPT. 
It works well with other operating systems.

About a week ago, Robert Shepard wrote about exactly the same problem, 
but I haven't seem any replys.

Any comments, ideas, anything ??


-- Petri

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*  Petri Mattila   *   ptjmatti@cc.helsinki.fi  *   University of Helsinki  *
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