Re: b44: regression in 2.6.22 (resend)

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To: Thomas Gleixner <tglx@...>
Cc: Michael Buesch <mb@...>, linux-kernel <linux-kernel@...>, linux-wireless <linux-wireless@...>, Stephen Hemminger <shemminger@...>, Arnaldo Carvalho de Melo <acme@...>, Jeff Garzik <jgarzik@...>, Gary Zambrano <zambrano@...>, <netdev@...>, Andrew Morton <akpm@...>
Date: Monday, May 28, 2007 - 4:55 pm

On Monday 28 May 2007, Thomas Gleixner wrote:
g)

I didn't notice anything.


I think the bug in 2.6.21/22-rc3 is a different one that the one in=20
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=20
some time. With this driver and High Resolution Timer turned on I get=20
problems using iperf. The problems are that the systems becomes really slow=
=20
and unresponsive.  Michael Buesch thought this could be an IRQ storm which=
=20
sounds logical to me. This bug did never happen to me before I startet the=
=20
iperf test.

The other issue happens only with 2.6.22-rc2-mm1 which includes the b44 ssb=
=20
spilt. It's independed wether High Resolution Timer is turned on or off I=20
always get very varying and high ping times. The iperf-test doesn't show th=
e=20
problems from 2.6.21/22-rc3.

Maxi
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Messages in current thread:
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Sun May 27, 3:25 pm)
Re: b44: regression in 2.6.22 (resend), Michael Buesch, (Sun May 27, 5:13 pm)
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Sun May 27, 6:15 pm)
Re: b44: regression in 2.6.22 (resend), Michael Buesch, (Sun May 27, 8:24 pm)
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Sun May 27, 8:40 pm)
Re: b44: regression in 2.6.22 (resend), Michael Buesch, (Mon May 28, 6:49 am)
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Mon May 28, 10:12 am)
Re: b44: regression in 2.6.22 (resend), Michael Buesch, (Mon May 28, 10:55 am)
Re: b44: regression in 2.6.22 (resend), Gary Zambrano, (Tue May 29, 10:14 am)
Re: b44: regression in 2.6.22 (resend), Michael Buesch, (Tue May 29, 4:45 pm)
Re: b44: regression in 2.6.22 (resend), Gary Zambrano, (Tue May 29, 5:05 pm)
Re: b44: regression in 2.6.22 (resend), Jeff Garzik, (Tue May 29, 6:39 pm)
Re: b44: regression in 2.6.22 (resend), Gary Zambrano, (Tue May 29, 5:36 pm)
Re: b44: regression in 2.6.22 (resend), Michael Buesch, (Wed May 30, 6:45 am)
Re: b44: regression in 2.6.22 (resend), Stephen Hemminger, (Tue May 29, 5:01 pm)
Re: b44: regression in 2.6.22 (resend), Michael Buesch, (Mon May 28, 6:16 am)
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Mon May 28, 10:09 am)
Re: b44: regression in 2.6.22 (resend), Michael Buesch, (Mon May 28, 11:14 am)
Re: b44: regression in 2.6.22 (resend), Thomas Gleixner, (Mon May 28, 11:32 am)
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Mon May 28, 1:44 pm)
Re: b44: regression in 2.6.22 (resend), Thomas Gleixner, (Mon May 28, 3:23 pm)
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Sun Jun 3, 12:26 pm)
Re: b44: regression in 2.6.22 (resend), Thomas Gleixner, (Mon Jun 4, 2:39 am)
Re: b44: regression in 2.6.22 (resend), Stephen Hemminger, (Mon Jun 4, 12:09 pm)
Re: b44: regression in 2.6.22 (resend), Thomas Gleixner, (Mon Jun 4, 12:35 pm)
iperf: performance regression (was b44 driver problem?), Stephen Hemminger, (Mon Jun 4, 12:59 pm)
Re: iperf: performance regression (was b44 driver problem?), Stephen Hemminger, (Mon Jun 4, 1:51 pm)
Re: iperf: performance regression (was b44 driver problem?), Maximilian Engelhardt, (Mon Jun 4, 3:47 pm)
Re: iperf: performance regression (was b44 driver problem?), Stephen Hemminger, (Mon Jun 4, 4:02 pm)
Re: iperf: performance regression (was b44 driver problem?), Maximilian Engelhardt, (Mon Jun 4, 4:52 pm)
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Mon May 28, 4:55 pm)
Re: b44: regression in 2.6.22 (resend), Gary Zambrano, (Tue May 29, 9:58 am)
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Tue May 29, 1:23 pm)
Re: b44: regression in 2.6.22 (resend), Thomas Gleixner, (Mon May 28, 5:45 pm)
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Tue May 29, 2:28 pm)
Re: b44: regression in 2.6.22 (resend), Michael Buesch, (Mon May 28, 11:43 am)
Re: b44: regression in 2.6.22 (resend), Michael Buesch, (Sun May 27, 5:16 pm)
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Sun May 27, 5:50 pm)
Re: b44: regression in 2.6.22 (resend), Michael Buesch, (Sun May 27, 3:45 pm)
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Sun May 27, 4:36 pm)
Re: b44: regression in 2.6.22 (resend), Michael Buesch, (Sun May 27, 4:46 pm)
Re: b44: regression in 2.6.22 (resend), Maximilian Engelhardt, (Sun May 27, 5:46 pm)