On Monday, April 16, 2007 at 12:33:09 -0700, J.C. Roberts wrote:
>On Monday 16 April 2007 12:06, Maurice Janssen wrote:
>> FWIW: the bug seems to occur at my 3000/300X, but only during heavy
>> load like 'make build'. I never finished such a build, but I only
>> tried a few times.
>
>I just thought of something which might be worth a try on systems that
>show the bug during system builds; use nice(1) to lower the build
>priority. It's a long shot, and I haven't tried it, but it *might* be a
>useful work around. Then again, it might be a waste of time.
Could be bad luck, but it seems to have the opposite effect. It panic'd
after a few minutes (details below), while up to now it used to run many
hours before it panic'd.
Maurice
panic: trap
Stopped at Debugger+0x4: ret zero,(ra)
RUN AT LEAST 'trace' AND 'ps' AND INCLUDE OUTPUT WHEN REPORTING THIS PANIC!
DO NOT EVEN BOTHER REPORTING THIS WITHOUT INCLUDING THAT INFORMATION!
ddb> ps
PID PPID PGRP UID S FLAGS WAIT COMMAND
*15298 27518 17937 0 3 0x4006 netio cat
27518 22909 17937 0 3 0x4086 pause sh
22909 12217 17937 0 3 0x4086 pause sh
12217 9940 17937 0 3 0x4086 wait make
9940 13807 17937 0 3 0x4086 pause sh
13807 20226 17937 0 3 0x4086 wait make
20226 1148 17937 0 3 0x4086 pause sh
1148 17567 17937 0 3 0x4086 wait make
17567 17937 17937 0 3 0x4086 pause sh
17937 6783 17937 0 3 0x4086 wait make
6783 15405 6783 0 3 0x4086 pause ksh
15405 23322 15405 1000 3 0x4086 pause ksh
23322 9574 9574 1000 3 0x184 select sshd
9574 918 9574 0 3 0x4184 netio sshd
19985 1 19985 1000 3 0x4086 ttyin ksh
8836 1 8836 0 3 0x84 select cron
24506 1 24506 0 3 0x40184 select sendmail
918 1 918 0 3 0x84 select sshd
430 1 430 0 3 0x184 select inetd
20290 0 0 0 3 0x100284 nfsidl nfsio
12060 0 0 0 3 0x100284 nfsidl nfsio
21537 0 0 0 3 0x100284 nfsidl nfsio
3000 0 0 0 3 0x100284 nfsidl nfsio
8612 1 8612 0 3 0x84 poll ntpd
24754 1 24754 83 3 0x184 poll ntpd
12430 13175 13175 73 3 0x184 poll syslogd
13175 1 13175 0 3 0x8c netio syslogd
8 0 0 0 3 0x100204 crypto_wa crypto
7 0 0 0 3 0x100204 aiodoned aiodoned
6 0 0 0 2 0x100204 update
5 0 0 0 3 0x100204 cleaner cleaner
4 0 0 0 3 0x100204 reaper reaper
3 0 0 0 3 0x100204 pgdaemon pagedaemon
2 0 0 0 3 0x100204 pftm pfpurge
1 0 1 0 3 0x4084 wait init
0 -1 0 0 3 0x80204 scheduler swapper
ddb> trace
Debugger(6, fffffc000085ba38, 0, 0, fffffe00056df610, 8) at Debugger+0x4
panic(fffffc0000837e04, 1, 0, 2, fffffe00056df760, fffffe00056dfa2c) at panic+0
x130
trap(?, ?, 0, 2, fffffe00056df760, fffffe00056dfa2c) at trap+0x55c
XentMM(?, ?, 0, 2, ?, fffffe00056dfa2c) at XentMM+0x20
pmap_activate(fffffc00008e23a0, fffffe00056dc000, fffffc00007cb3e9, 1400, 0, ff
fffe00056dfa2c) at pmap_activate+0x24
cpu_switch(?, ?, fffffc00007cb3e9, 1400, 0, fffffe00056dfa2c) at cpu_switch+0xfc
cpu_switch(?, ?, fffffc00007cb3e9, 1400, 0, fffffe00056dfa2c) at cpu_switch+0xfc
cpu_switch(?, ?, fffffc00007cb3e9, 1400, 0, fffffe00056dfa2c) at cpu_switch+0xfc
cpu_switch(?, ?, fffffc00007cb3e9, 1400, 0, fffffe00056dfa2c) at cpu_switch+0xfc
cpu_switch(?, ?, fffffc00007cb3e9, 1400, 0, fffffe00056dfa2c) at cpu_switch+0xfc
cpu_switch(?, ?, fffffc00007cb3e9, 1400, 0, fffffe00056dfa2c) at cpu_switch+0xfc
<this last line keeps repeating>
