cvs commit: src/sys/dev/em if_em.c

[Patrick M. Hausen]

Hi, all!

On Tue, Aug 22, 2006 at 10:53:13PM +0400, Gleb Smirnoff wrote:

> In 5-STABLE the interface up/down events were not logged, either.

OK. But what could be a possible explanation for this:

em interface, FTPing a large file while putting disk and cpu/memory
load on the box -> occasional but easily reproducable complete hangs
of network communication (ssh, ping - no reaction). Every time a

em0: Missing Tx completion interrupt!

is logged.

fxp interface, otherwise same setup: no hang after FTPing for
hours. General network/bandwidth issues cannot be the cause,
because both interfaces were connected to a strictly 100 Mbit/s
infrastructure.

For the moment I'm not using em interfaces in these systems.
I could hook up one to "the net" for someone to log in remotely,
if that helps.

Thanks,
Patrick
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