On Mon, Mar 12, 2007 at 12:14:53PM -0500, Paul Armor wrote: > Hi, > I've tried googling various incantations of the problems we're having, and > what I think's causing them, but to no avail. So, I'm going to try the > list (note, I did try emailing David Miller and Jeff Garzik last week, but > haven't heard anything back). Can anyone offer guidance? > > I'll summarize what our problems and config's are. > > Problems - lockups on ethernet controllers under heavy NFS loads > (sometimes driver can/will reset, sometimes not) > systems completely lock up > Hardware - Supermicro H8SSL-i with onboard Broadcom 5704's (both clients > and servers) > Server config - 2.6.19 kernel (thus tg3 ver 3.69) > nfs-utils-1.0.7-13 FC4 > NIC running at 4500 MTU What on earth is that? I assume you are configured for jumbo frames through your whole network, but why not bump your mtu all the way up to 9000 then? Does the problem persist if you only use a 1500 byte MTU? > > Failure caused by users building software in automounted FS's. Can you get a sysrq-t when the system locks up? Neil - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html