On Sun, 7 Nov 2004, Joan Picanyol wrote: > * Joan Picanyol <[EMAIL PROTECTED]> [20041025 18:09]: > > * Robert Watson <[EMAIL PROTECTED]> [20041025 14:24]: > > > - It would be useful to see if less complicated NFS meta-transactions than > > > "Start GTK" can trigger the problem. For example, doing a large dd to a > > > file in NFS, varying the blocksize to see if you can find useful > > > thresholds that trigger the problem. I see a lot of successful 512 byte > > > writes in the trace, but larger datagram sizes of 8192 for writes seem > > > to have problems. > > > > Now this is interesting: > > > > dd if=/dev/urandom of=/fs/bulk/mount/dummy bs=512 count=14 > > > > wedges the NFS mount point 100% of the times. Lowering the count to 13 > > doesn't reproduce the hang. > > Oh well, I can't reproduce this any more after upgrading. Go figure...
If it comes back, please let me know. It sounds like it may have been a device driver problem or switch problem. I suppose it would be interesting to have you downgrade and see if it comes back, but that might be a lot more interesting from my perspective than your perspective :-). Robert N M Watson FreeBSD Core Team, TrustedBSD Projects [EMAIL PROTECTED] Principal Research Scientist, McAfee Research _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
