Messages in this thread | | | Date | Sat, 23 May 2009 17:01:36 +0200 | From | Michael Riepe <> | Subject | Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts |
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Hi!
Michael Buesch wrote: > On Saturday 23 May 2009 16:35:28 Michael Riepe wrote: > >>Hi! >> >>Michael Buesch wrote: >> >> >>>Thanks a lot, Dave! This fixes the issue on my chip. >> >>Yep, it's stable here as well. And even a little faster than pci=nomsi. >>The only strangeness I observed is that the throughput (measured with >>iperf and a single TCP connection) varies: >> >>[ ID] Interval Transfer Bandwidth >>[ 3] 0.0-10.0 sec 667 MBytes 559 Mbits/sec >>[ 3] 10.0-20.0 sec 803 MBytes 673 Mbits/sec >>[ 3] 20.0-30.0 sec 802 MBytes 673 Mbits/sec >>[ 3] 30.0-40.0 sec 714 MBytes 599 Mbits/sec >>[ 3] 40.0-50.0 sec 669 MBytes 561 Mbits/sec >>[ 3] 50.0-60.0 sec 791 MBytes 663 Mbits/sec >>[ 3] 0.0-60.0 sec 4.34 GBytes 622 Mbits/sec > > > Are you running the iperf server or client on the r8169?
The client, since I wanted to measure write throughput. The server is a Lenovo Thinkpad T60 (e1000e driver).
> I'm running the iperf server on the r8169 and get the following results: > > mb@homer:~$ iperf -c 192.168.2.50 -t120 -i10
In that case, the r8169 is receiving data (which never was a problem, at least for me - it only lost interrupts in TX mode).
-- Michael "Tired" Riepe <michael.riepe@googlemail.com> X-Tired: Each morning I get up I die a little
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