On Mon, 2009-12-21 at 00:39 -0800, Gordon Messmer wrote: > On 11/24/2009 04:21 AM, John Austin wrote: > > > > Just tested my machine with UDP and TCP > > This was using md5sum for about 10GB over the NFS mount > > > > 1. The default for F12/Centos5.4 appears to be TCP - which freezes > > 2. Forcing UDP gives NO errors for 10GB transfer > > 3. Forcing TCP gives a freeze > > > > I know this is an old thread, but I thought I'd toss in that you will > see symptoms very much like this if only one of your machines (probably > the NFS server) is configured to use jumbo frames. You should check the > MTU on the server and client. > Thanks for the idea I have checked the host and the server, both are set to MTU of 1500 I then checked the switch (Netgear GS108T) this had jumbo frames enabled Disabled jumbo frames - no change Updated switch firmware - still no change Problem still present with all F12 kernel versions (sky2 drivers) to date I have taken sky2 driver from latest stable kernel and tried to compile under F12 but failed! As I have a work around with 2nd NIC I have been lazy !! Next move probably a custom kernel John -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
