On Mon, Aug 20, 2001 at 12:27:24PM +0100, Walter C. Pelissero wrote:
> [ it seems my original article didn't get through ]
>
> I recently upgraded to 4.4-RC.
> Now my Vaio panics when I use NFS volumes (as client).
> The panic is reproducible with a:
>
> find /some/NFS/mount/point -type f -exec cat {} \; >/dev/null
>
> Sometime I got a "page fault", sometime a "lockmgr: locking against myself"
>
> Here is a kgdb session:
[snip]
> #7 0xc016dbfc in m_freem (m=0xc0738a00) at ../../kern/uipc_mbuf.c:618
> #8 0xc0b59652 in ?? ()
> #9 0xc0b66b92 in ?? ()
> #10 0xc0b3fe37 in ?? ()
> #11 0xc0b606de in ?? ()
> #12 0xc0b5f11b in ?? ()
> #13 0xc023b75d in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47,
All those ??'s are the result of kgdb being unable to look inside
a kernel module. Are you loading NFS as a module? What other modules
are loaded at the time of the panic? Could you try compiling them
statically into the kernel, see if the panic still happens, but with
more debugging information?
G'luck,
Peter
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