> Hello
> 
> Could anyone familiar with that code give me ideas of how to track down
> the root of this problem? The machine is both a NFS client and a NFS
> server, is this panic server-side related or client-side related? I'd
> bet for client side but I'm not sure.
> 
> It has been crashing randomly for a week, and this continue after I made
> a dump/restore on the filesystems and I removed the whole hardware (no
> more underlying hardware: it's now a Xen domU on another machine).
> Before it started crashing, it worked for years without a hitch.
> 
> panic: kernel debugging assertion "(vp->v_flag & VONWORKLST)" failed:
> file "/home/builds/ab/netbsd-3/src/sys/miscfs/genfs/genfs_vnops.c", line
> 1322

it can be uvm_bio.c 1.49.

YAMAMOTO Takashi