Re: crash in today's kernel: uvm_fault() in vfs_busy()

1 msg	Possible bug in 4.99.62 at the poweroff time

crash in today's kernel: uvm_fault() in vfs_busy()
\ Greg A. Woods (7 May 2008)
. \ Paul Goyette (7 May 2008)
. . \ Greg A. Woods; Planix, Inc. (7 May 2008)
. \ Matthias Scheler (8 May 2008)
. . \ Greg A. Woods (8 May 2008)

1 msg	new permission problem in full build
7 msg	i386 acpi panci
3 msg	MFS panic
2 msg	resize kills -current
3 msg	rpc.lockd
3 msg	locale LC_NUMERIC
4 msg	NetBSD on sd0 (memory) and CGD on wd0... succes...
2 msg	-current panics with mount_null(8)
3 msg	troubles with ipnat TCP entries
5 msg	Moving usr into cgd -- is it ok if i use 'cp -p...
4 msg	-current not building: prop_array.o
3 msg	file system problems
7 msg	LOCKDEBUG panic when hitting the shutdown button
1 msg	build.sh ... release failed on amd64
7 msg	NetBSD in a camera
4 msg	'locking against myself' with sysmon_envsys/lib...
6 msg	network dysfunction
4 msg	By the way - was Re: Change from BSDL to GPL?

Subject:	Re: crash in today's kernel: uvm_fault() in vfs_busy()
Group:	Netbsd-current-users
From:	Greg A. Woods
Date:	8 May 2008

At Thu, 8 May 2008 09:45:09 +0100, Matthias Scheler wrote:
Subject: Re: crash in today's kernel: uvm_fault() in vfs_busy()
>
> On Wed, May 07, 2008 at 03:27:10PM -0400, Greg A. Woods wrote:
> > Almost immediately after rebooting today's kernel my Asus machine
> > crashed as follows:
> >
> > login: uvm_fault(0xc0bb4040, 0, 1) -> 0xe
> > kernel: supervisor trap page fault, code=0
> > Stopped in pid 0.42 (system) at netbsd:vfs_busy+0x15: movl 0x2c(%esi),%eax
> > db{0}> trace
> > vfs_busy(0,0,cddcaccc,c0af8b48,c2faf6e0,c0b983fc,ce1115d0,ce1115d0,c2faf6e0,4821 fa8a) at netbsd:vfs_busy+0x15
> > mfs_fsync(cddcacd8,10012,0,c0b983fc,ce1115d0,c084dce0,ce1115d0,cc6a5f00,8,0) at netbsd:mfs_fsync+0x3e
> > VOP_FSYNC(ce1115d0,cc6a5f00,8,0,0,0,0,cc6b60a0,c052c940,cc6b60a0) at netbsd:VOP_FSYNC+0x7e
> > sched_sync(cc6b60a0,0,c01002cd,0,c01002cd,0,0,0,0,0) at netbsd:sched_sync+0x14a
> > db{0}>
>
> Andrew Doran has fixed that in the meantime:
>
> http://mail-index.netbsd.org/source-changes/2008/05/07/msg006015.html

Confirmed, my kernel from today boots and runs multi-user with an MFS
/tmp without crashing again! Thanks!

--
Greg A. Woods
Planix, Inc.

<woods> +1 416 489-5852 x122 http://www.planix.com/