On Sun, May 11, 2003 at 04:29:34PM -0700, Don Lewis wrote: > On 11 May, Bernd Walter wrote: > > I have a -current (10th may) NFS server which serves for a diskless > > NFS client (11th May). > > The client has / on a CF media and /usr as well as /var/spool on the > > server. > > Also swap is on the server (/usr/swapfile) via md. > > When I run installworld on the client the server hangs with > > "lockmgr draning against myself". > > I got no DDB prompt so no stacktrace or crashdump :( > > Try the attached patch. I didn't have any problems with > make -j10 buildworld > make DESTDIR=/mnt installworld > with /usr/obj and /mnt NFS mounted from the filesystems exported on the > same server (though I had to tweak some sysctl variables to avoid wdrain > deadlocks in the bio code in this configuration). > > Can you break into the debugger with CNTRL-Alt-Esc? I also recommend I havn't tried as it shouldn't be required after a panic. > trying the DEBUG_VFS_LOCKS kernel configuration option, which will drop > into ddb if any of the vnode locking assertions are violated. I will try your patch and suggestions tomorrow. -- B.Walter BWCT http://www.bwct.de ticso_at_bwct.de info_at_bwct.deReceived on Sun May 11 2003 - 14:45:33 UTC
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