Date: Mon, 28 Oct 1996 22:45:40 -0500 (EST) From: "Daniel C. Stevenson" <daniels@borg.mit.edu> To: FreeBSD-gnats-submit@freebsd.org Subject: kern/1919: NCR PCI error Message-ID: <199610290345.WAA00402@borg.mit.edu> Resent-Message-ID: <199610290350.TAA21324@freefall.freebsd.org>
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>Number: 1919
>Category: kern
>Synopsis: access to files/directories fails, gives NCR PCI error
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Oct 28 19:50:03 PST 1996
>Last-Modified:
>Originator: Daniel C. Stevenson
>Organization:
>Release: FreeBSD 2.1-STABLE i386
>Environment:
The system has an NCR PCI controller. It has a 2GB SCSI hard
disk, 48MB of memory, and an ISA-based Ethernet card (3C509).
>Description:
The problem: access to various directories and files fails, giving an
error to the shell of "Input/output failed" for the affected files or
directories. The console displays the following message repeatedly:
assertion "cp" failed: file "../../pci/ncr.c", line 5563
sd0(ncr0:0:0):COMMAND FAILED (4 28) @f0d7c400
(I'm not sure which of these 2 lines actually goes first, but the
pattern repeats continuously)
This problem seems to happen at random times. It has happened when the
system has been up for over a week (since the last reboot) or just a
few days after the last reboot. The system currently maintains a
moderate Web server load and 1 or 2 users. The problem seems to happen
independent of server load or any other discernible influences.
When the error happens, some but not all partitions of the disk
are affected, and only parts of them are affected.
>How-To-Repeat:
Wait for it to happen again.
>Fix:
A hard reboot (cycling the power). "reboot" doesn't work
("Input/output error") and using Ctrl-Alt-Del doesn't work either; in
the latter case, it results in a hung system at the "Boot:" prompt.
>Audit-Trail:
>Unformatted:
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