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Date: Tue, 17 Dec 1996 21:09:34 -0800 (PST)
From: bogdanr@adelaide.on.net
To: freebsd-gnats-submit@freebsd.org
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Subject: kern/2240: ncr53c810 crashing
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>Number:         2240
>Category:       kern
>Synopsis:       ncr53c810 crashing
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Dec 17 21:10:00 PST 1996
>Last-Modified:
>Originator:     michal roszkowski
>Organization:
>Release:        2.1.5-RELEASE
>Environment:
starndard 2.1.5-RELEASE (GENERIC and customised kernels)
Dell Omniplex 590 with on-board pci ncr53c810 scsi host
and seagate 2gb fast scsi 2 hard disk
>Description:
i have a dell omniplex 590 which has the ncr53c810 built-in
on the motherboard and there is only 1 scsi device attached to it (a
hard disk)... all is terminated properly (i am 100% sure!) and works
without any problems under windows nt...

frequently (about every 10-30mins when running X11) my system crashes.
following are some of the error messages i get on my console:


sd0(ncr0:0:0): FASt SCSI-2 100ns (10mb/s) offset 8

ncr0: restart (ncr dead ?)
/kernel ncr0: restart (ncr dead ?)

/kernel: script cmd = 88030000

ncr0:0 error (81:0) (8-a2-0) (0/13) @ (ffd1002c:00000000)
     reg: ca 00 40 13 47 00 00 1f 71 08 00 a2 80 00 0a 02

ncr0: restart (fatal error).

sd0(ncr0:0:0): COMMAND FAILED (9 ff) @ f1243400.
sd0(ncr0:0:0): COMMAND FAILED (9 ff) @ f1243a00.
sd0(ncr0:0:0): COMMAND FAILED (9 ff) @ f1243c00.

vnode_pager_input: I/O read error
vm_fault: pager input (probably hardware) error, PID 599 failure


...the messages repeat each other with slightly different values, many
many times... after this happens usually my system does not lock up, however
the disk and/or scsi host are no longer functioning...
after i reboot all is well, until the problem happens again...

>How-To-Repeat:
use the system under heavy disk loads...
espesially running X11 and installing a package like emacs

>Fix:

>Audit-Trail:
>Unformatted: