9.2-RELEASE amd64 panic: vn_open_cred

[Konstantin Belousov]

On Wed, Nov 06, 2013 at 04:41:27PM +1300, Matt Magoffin wrote:
> On Nov 6, 2013, at 3:29 PM, Konstantin Belousov <kostikbel at gmail.com> wrote:
> 
> > I do not see how you being new to freebsd prevents the system from dumping
> > core.
> 
> I appreciate your response. Being new, I did not have dumpdev set in rc.conf, and my root device is ZFS, which I snapshot before the upgrade and I completely rolled back after rebooting, before looking for any dumps. If I attempt the upgrade again, I have dumpdev configured now, and I will not rollback /var/crash after rebooting.
> 
> > At least, look up the source line number for the VOP_ADD_WRITECOUNT_APV+0x78,
> > by loading the kernel.debug into kgdb and doing
> > list *VOP_ADD_WRITECOUNT_APV+0x78
> > The lines should be from the build-time generated file vnode_if.c, so please
> > provide the excerpt from the source file around the reported line.
> 
> I am running a GENERIC amd64 kernel, which I have not compiled. Is there a way to deduce the appropriate line without a dump? Or, would I need to trigger a panic in another machine running the same kernel?
> 
The system comes with kernel.symbols file, which should be enough.
You do not need a core to do what I requested.

> > Just in case, do you have out-of-tree kernel modules installed on your
> > system ?  If yes, did you recompiled them after the upgrade ?
> 
> I do not have any out-of-tree kernel modules installed. The ones I have (in my running 9.1 system) are:
> 
>  1   23 0xffffffff80200000 1323780  kernel
>  2    1 0xffffffff81524000 2084f8   zfs.ko
>  3    2 0xffffffff8172d000 5c68     opensolaris.ko
>  4    1 0xffffffff81735000 4a30     aesni.ko
>  5    4 0xffffffff8173a000 2b4a8    crypto.ko
>  6    3 0xffffffff81766000 dde0     zlib.ko
>  7    1 0xffffffff81774000 4cd0     cryptodev.ko
>  8    1 0xffffffff81779000 5a958    ipl.ko
>  9    1 0xffffffff81a12000 15c2     fdescfs.ko
> 10    1 0xffffffff81a14000 bfda     pefs.ko

Well, pefs.ko definitely does not come with 9.2. I have no idea what
ipl.ko is. I think you should start with recompiling whatever modules
you have besides base system, before we go any further.
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