>Number: 147459
>Category: kern
>Synopsis: Kernel panic: vm_page / vdrop / vm_page_cache
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Jun 04 07:00:15 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: Jon Nistor
>Release: FreeBSD 7.3-RELEASE-p1 i386
>Organization:
>Environment:
System: FreeBSD spike.snickers.org 7.3-RELEASE-p1 FreeBSD 7.3-RELEASE-p1 #0:
Wed May 26 04:29:05 UTC 2010
r...@i386-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC i386
Server: HP DL 320 G4 series, 2.9G Celeron, 2G RAM, all firmware also
up-to-date on system.
>Description:
Multiple kernel panics have been happening after a recent move from 7.2
to 7.3-p1.
In 3 seperate instances I have 3 different types of vm faults it appears:
nis...@spike:~/public_html/crash> grep -i "^panic" * | uniq
fail-0.txt:panic: vdrop: holdcnt 0
fail-1.txt:panic: page fault
fail-2.txt:panic: vm_page_cache: offset already cached
nis...@spike:~/public_html/crash>
Since the output is large from the kernel debugging, I have put them onto
pastebin, I hope this is ok.
http://pastebin.com/BAh1aJ8V fail-0
http://pastebin.com/FxHne9uY fail-1
http://pastebin.com/DATEvR5M fail-2
fail-0 summary:
Dump header from device /dev/ar0s1b
Architecture: i386
Architecture Version: 2
Dump Length: 237580288B (226 MB)
Blocksize: 512
Dumptime: Thu Jun 3 19:21:18 2010
Hostname: spike.snickers.org
Magic: FreeBSD Kernel Dump
Version String: FreeBSD 7.3-RELEASE-p1 #0: Wed May 26 04:29:05 UTC 2010
r...@i386-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC
Panic String: vdrop: holdcnt 0
Dump Parity: 2355448173
Bounds: 0
Dump Status: good
fail-1 summary:
[spike:root] /var/crash# cat info.1
Dump header from device /dev/ar0s1b
Architecture: i386
Architecture Version: 2
Dump Length: 227909632B (217 MB)
Blocksize: 512
Dumptime: Fri Jun 4 00:01:11 2010
Hostname: spike.snickers.org
Magic: FreeBSD Kernel Dump
Version String: FreeBSD 7.3-RELEASE-p1 #0: Wed May 26 04:29:05 UTC 2010
r...@i386-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC
Panic String: page fault
Dump Parity: 2712125525
Bounds: 1
Dump Status: good
fail-2 summary:
[spike:root] /var/crash# cat info.2
Dump header from device /dev/ar0s1b
Architecture: i386
Architecture Version: 2
Dump Length: 224346112B (213 MB)
Blocksize: 512
Dumptime: Fri Jun 4 01:27:30 2010
Hostname: spike.snickers.org
Magic: FreeBSD Kernel Dump
Version String: FreeBSD 7.3-RELEASE-p1 #0: Wed May 26 04:29:05 UTC 2010
r...@i386-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC
Panic String: vm_page_cache: offset already cached
Dump Parity: 3032040194
Bounds: 2
Dump Status: good
[spike:root] /var/crash#
>How-To-Repeat:
Unclear at this time.
>Fix:
System auto reboots.
>Release-Note:
>Audit-Trail:
>Unformatted:
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