kern/150761: Kernel panic at devclass_get_name when doing heavy
pkg_add
Kris Moore
kmoore at FreeBSD.org
Mon Sep 20 17:20:01 UTC 2010
>Number: 150761
>Category: kern
>Synopsis: Kernel panic at devclass_get_name when doing heavy pkg_add
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Sep 20 17:20:00 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: Kris Moore
>Release: 9.0-Current
>Organization:
iXsystems
>Environment:
FreeBSD pcbsd 9.0-CURRENT FreeBSD 9.0-CURRENT #6: Thu Sept 16 08:56:22 PDT 2010
>Description:
Getting a consistent kernel panic while doing an installation and a bunch of pkg_add work is being done. Funny thing is, that when using ZFS file-system for installation, it finishes properly, but when I switch to UFS + Softupdates this panic occurs like clockwork. That may not be related, but it is a weird quirk none the less.
Screenshot of panic:
http://www.pcbsd.org/~kris/kerndump/panic1.png
Core file:
http://www.pcbsd.org/~kris/kerndump/vmcore.0.gz
Let me know if you need additional info.
(As an aside, seeing similar panics on 8.0 / 8.1, when our installer is doing pkg_delete / pkg_add stuff in the disk chroot environment)
>How-To-Repeat:
Just starting an install of PC-BSD / FreeBSD 9.0 snapshots, works fine until it gets into heavy duty pkg_add stuff, then this panic occurs.
>Fix:
Using ZFS works, but it may be an unrelated quirk.
>Release-Note:
>Audit-Trail:
>Unformatted:
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