Date: Mon, 17 Sep 2001 14:23:06 -0400 From: Vivek Khera <khera@kcilink.com> To: stable@freebsd.org Subject: page fault panic on 4.3-STABLE Message-ID: <15270.16266.553389.612986@onceler.kciLink.com>
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System is a Dell PowerEdge 1550, uname says:
FreeBSD m01.m1e.net 4.3-STABLE FreeBSD 4.3-STABLE #5: Wed Jun 20 15:40:06 EDT 2001
Which is when the kernel was built; sources are within a few days of
that.
Curiously, after the panic reboot, /var/run/dmesg.boot has only this:
--cut here--
01 (CLEARED)
--cut here--
And the /var/log/messages only has this to say:
Sep 17 12:00:59 m01 /kernel: /dev/da1s1e: SIZE=4305 MTIME=Sep 17 11:58 2001 (CLEARED)
Sep 17 12:01:00 m01 savecore: reboot after panic: page fault
Sep 17 12:01:00 m01 savecore: /var/crash/bounds: No such file or directory
Sep 17 12:01:00 m01 savecore: writing core to /var/crash/vmcore.0
Sep 17 12:02:34 m01 savecore: writing kernel to /var/crash/kernel.0
instead of the normal boot messages I usually see.
The gdb -k output is below. I don't have a debugging kernel around,
nor sources that exactly match this kernel.
(kgdb) core-file /var/crash/vmcore.0
IdlePTD 3153920
initial pcb at 2812a0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x3
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc020086b
stack pointer = 0x10:0xd71b5e00
frame pointer = 0x10:0xd71b5e00
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 89674 (qmgr)
interrupt mask = none
trap number = 12
panic: page fault
syncing disks... 401 2 2
done
Uptime: 18d7h54m22s
dumping to dev #da/0x20001, offset 128
dump 511 510 509 508 507 506 505 504 503 502 501 500 499 498 497 496 495 494
...etc...
10 9 8 7 6 5 4 3 2 1 0
---
#0 0xc01533ca in dumpsys ()
(kgdb)
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