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    SubjectRe: b44: regression in 2.6.22 (resend)
    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

    Neither with nor without Gleixner ?

    Neither with nor without Buesch ?

    Neither with nor without Miller ?

    Neither with nor without Kyle ?

    Neither with nor without ........ ?

    Neither with nor without would-like-to-spare time hackers ?

    Neither with nor without profile neurotic would-like-to-copyright owners ?

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