On Mon, 2007-05-28 at 22:55 +0200, Maximilian Engelhardt wrote: > > > I additionally built my 2.6.22-rc2-mm1 kernel without High Resolution > > > Timer, but the high ping problem is still there. > > > > Hmm, that's mysterious. Wild guess is that highres exposes the hidden > > "feature" in a different way than rc2-mm1 does. > > I think the bug in 2.6.21/22-rc3 is a different one that the one in > 2.6.22-rc2-mm1, but that's also only a wild guess :) > > I'll explain this a bit: > In 2.6.21/22-rc3 is the same b44 driver that has been in the stock kernels for > some time. With this driver and High Resolution Timer turned on I get > problems using iperf. The problems are that the systems becomes really slow > and unresponsive. Michael Buesch thought this could be an IRQ storm which > sounds logical to me. This bug did never happen to me before I startet the > iperf test. Can you please apply http://www.tglx.de/projects/hrtimers/2.6.22-rc3/patch-2.6.22-rc3-hrt1.patch on top of rc3 and check, whether it has any effect on your problem. > The other issue happens only with 2.6.22-rc2-mm1 which includes the b44 ssb > spilt. It's independed wether High Resolution Timer is turned on or off I > always get very varying and high ping times. The iperf-test doesn't show the > problems from 2.6.21/22-rc3. Neither with nor without highres ? tglx - To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
