Date: Fri, 21 Mar 2003 20:37:46 +0100 From: Daniela <dgw@liwest.at> To: hackers@freebsd.org Subject: Lots of kernel core dumps Message-ID: <200303212037.46322.dgw@liwest.at>
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Hi all!
I'm getting lots of kernel core dumps on my server.
My RAM is OK, I tested it. Below are more detailed informations.
Any help would be greatly appreciated.
I'm not yet intimate with the kernel, but I'm willing to learn it all.
Thanks in advance.
Daniela
-------------------------------------------------------------------------=
-----
# uname -a
FreeBSD CM58-27.liwest.at 5.0-RELEASE-p3 FreeBSD 5.0-RELEASE-p3 #4: Sat M=
ar 1=20
18:08:27 CET 2003 root@CM58-27.liwest.at:/usr/obj/usr/src/sys/CM58-27=
=20
i386
# gdb -k kernel.debug vmcore.1=20
GNU gdb 5.2.1 (FreeBSD)
Copyright 2002 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 conditi=
ons.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for detail=
s.
This GDB was configured as "i386-undermydesk-freebsd"...
panic: bwrite: buffer is not busy???
panic messages:
---
panic: bad pte
syncing disks, buffers remaining... panic: bwrite: buffer is not busy???
Uptime: 4h4m35s
Dumping 511 MB
ata0: resetting devices ..
done
16 32 48[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] 64[CTRL-C=
to=20
abort] [CTRL-C to abort] [CTRL-C to abort] 80[CTRL-C to abort] [CTRL-C t=
o=20
abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to=20
abort] 96[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C t=
o=20
abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to=20
abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to=20
abort] 112 128 144[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort]=20
[CTRL-C to abort] 160[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abor=
t]=20
[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] =20
176[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] 192[CTRL-C to=20
abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to=20
abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to=20
abort] 208 224 240 256 272 288 304 320 336 352 368 384 400 416[CTRL-C to=
=20
abort] 432 448 464 480 496
---
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:232
232=09=09dumping++;
(kgdb) where
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:232
#1 0xc033b5e6 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c=
:364
#2 0xc033b833 in panic () at /usr/src/sys/kern/kern_shutdown.c:517
#3 0xc0379fa2 in bwrite (bp=3D0xce4d4708) at /usr/src/sys/kern/vfs_bio.c=
:796
#4 0xc037b55e in vfs_bio_awrite (bp=3D0xce4d4708)
at /usr/src/sys/kern/vfs_bio.c:1643
#5 0xc0307737 in spec_fsync (ap=3D0xe0d1cb5c)
at /usr/src/sys/fs/specfs/spec_vnops.c:462
#6 0xc0306ca8 in spec_vnoperate (ap=3D0x0)
at /usr/src/sys/fs/specfs/spec_vnops.c:126
#7 0xc045fb8d in ffs_sync (mp=3D0xc40cd800, waitfor=3D2, cred=3D0xc150ae=
80,=20
td=3D0xc0584000) at vnode_if.h:612
#8 0xc038d01b in sync (td=3D0xc0584000, uap=3D0x0)
at /usr/src/sys/kern/vfs_syscalls.c:138
#9 0xc033b25c in boot (howto=3D256) at /usr/src/sys/kern/kern_shutdown.c=
:273
#10 0xc033b833 in panic () at /usr/src/sys/kern/kern_shutdown.c:517
#11 0xc04b7bbb in pmap_remove_pages (pmap=3D0xc43a33bc, sva=3D0, eva=3D32=
17031168)
at /usr/src/sys/i386/i386/pmap.c:2937
#12 0xc0326572 in exit1 (td=3D0xc456f9a0, rv=3D1) at vm_map.h:228
#13 0xc033ed26 in sigexit () at /usr/src/sys/kern/kern_sig.c:1997
#14 0xc033e97a in postsig (sig=3D1) at /usr/src/sys/kern/kern_sig.c:1886
#15 0xc035b3da in ast (framep=3D0xe0d1cd48) at /usr/src/sys/kern/subr_tra=
p.c:254
#16 0xc04ac250 in doreti_ast () at {standard input}:446
---Can't read userspace from dump, or kernel process---
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