Date: Mon, 11 Jun 2001 10:06:56 GMT From: Wilko Bulte <wkb@freebie.demon.nl> To: freebsd-alpha@freebsd.org Cc: gallatin@freebsd.org Subject: followup on 8 way SMP pani Message-ID: <E159Ob2-000A5J-00@post.mail.nl.demon.net>
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This a followup to last weeks posting on the AS8400 8-way
SMP panic I saw with -current.
Hth
Wilko
=============
class=01-00-00, hdrtype=0x00, mfdev=0
intpin=a, irq=12
pci3: <PCI bus> on pcib3
pci3: <mass storage, SCSI> at 3.0 (no driver attached)
fatal kernel trap:
trap entry = 0x2 (memory management fault)
cpuid = 0
faulting va = 0x78
type = access violation
cause = load instructon
pc = 0xfffffc0000491ae4
ra = 0xfffffc0000491ba8
sp = 0xfffffc00008d9b90
usp = 0x0
curproc = 0xfffffc0000831288
pid = 0, comm = swapper
Stopped at sync_other_counter+0x24: ldq s1,0x78(s0) <0x78>
<s1=0xfffffc0000785138,s0=0x0>
db> trace
sync_other_counter() at sync_other_counter+0x24
tc_windup() at tc_windup+0x28
hardclock() at hardclock+0x1e8
handleclock() at handleclock+0x22c
alpha_clock_interrupt() at alpha_clock_interrupt+0x68
interrupt() at interrupt+0xb8
XentIntlgp() at XentIntlgp+0x14
db> halt
...........
turbo#gdb kernel.debug
GNU gdb 4.18
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "alpha-unknown-freebsd"...
(gdb) l *0xfffffc0000491ae4
0xfffffc0000491ae4 is in sync_other_counter (../../kern/kern_tc.c:336).
331 struct timecounter *tc, *tcn, *tco;
332 unsigned delta;
333
334 tco = timecounter;
335 tc = tco->tc_other;
336 tcn = tc->tc_other;
337 *tc = *tco;
338 tc->tc_other = tcn;
339 delta = tco_delta(tc);
340 tc->tc_offset_count += delta;
(gdb) quit
--
| / o / / _ Arnhem, The Netherlands email: wilko@freebsd.org
|/|/ / / /( (_) Bulte http://www.freebsd.org
http://www.nlfug.nl
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