panic on shutdown anyone (insmntque())?
Pawel Jakub Dawidek
pjd at FreeBSD.org
Sun Sep 7 07:15:16 UTC 2008
On Sat, Sep 06, 2008 at 06:41:04PM -0500, Richard Todd wrote:
> On Sat, Sep 06, 2008 at 08:12:43PM +0200, Pawel Jakub Dawidek wrote:
> > On Fri, Sep 05, 2008 at 07:01:55PM -0500, Richard Todd wrote:
> > > But appears not to fix the panic I've seen trying to boot any kernel since
> > > the insmntque patches went in, just at the point where it tries to mount
> > > the root FS:
> > [...]
> >
> > I committed another fix, try now.
>
> Still panics at trying to mount root, but a different panic:
>
> Trying to mount root from zfs:rootpool/tolot-root
>
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 1; apic id = 01
> fault virtual address = 0x83
> fault code = supervisor read, page not present
> instruction pointer = 0x20:0x80b1d76a
> stack pointer = 0x28:0x86ce57e8
> frame pointer = 0x28:0x86ce57fc
> 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 = 1 (kernel)
> [thread pid 1 tid 100002 ]
> Stopped at VOP_UNLOCK_APV+0x1a: cmpl $0,0x80(%ebx)
> db> bt
> Tracing pid 1 tid 100002 td 0x870c4d20
> VOP_UNLOCK_APV(3,86ce5850,275,0,86ce585c,...) at VOP_UNLOCK_APV+0x1a
> zfs_zget(87ae9000,3,0,86ce5950,8,...) at zfs_zget+0x218
[...]
Grr, too many differences between HEAD and perforce already. Please, try
this patch:
http://people.freebsd.org/~pjd/patches/zfs_znode.c.patch
--
Pawel Jakub Dawidek http://www.wheel.pl
pjd at FreeBSD.org http://www.FreeBSD.org
FreeBSD committer Am I Evil? Yes, I Am!
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