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DateFri, 28 Mar 2008 18:12:22 +0100 (CET)
FromJiri Kosina <>
SubjectRe: tg3 bad performance, lots of hardware interrupts
On Fri, 28 Mar 2008, Michael Chan wrote:

> > Phew, I thought that running ethtool -t was like doing stop-A-sync on 
> > a Sun. It took almost half an hour to run that ethtool -t command;
> Something is very wrong.  ethtool -t should only take a few seconds to
> complete.  You can try ethtool -t eth0 online to reduce the number of
> tests to see if it makes a difference.
> How many of these NICs do you have?  If you have more than one, do they
> all behave the same way?  Have they ever worked well before?

Harald, is the IRQ of eth0 shared with any other device? (cat 
/proc/interrupts will show).

-- 
Jiri Kosina
SUSE Labs

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