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From: John W. Linville on 24 May 2010 14:20
On Sun, May 23, 2010 at 11:55:43AM +0530, Satish Eerpini wrote:

> I am running a custom compiled 2.6.34 (fedora 12) on a hp nx7400 with
> a Intel Pro Wireless 3945 card, the card works fine and connects to a
> WEP secure wireless connection on my router. But after some time
> network manager starts reporting that the wireless access point is not
> available anymore and tries to reconnect to the network, though the
> network is still available, it fails to detect the network , I have
> not been able to reproduce the situation conclusively, seems to be
> happening randomly ... here is the tail from "dmesg" which looked
> suspicious :
> (btw, I also faced the same problem earlier when I was running RHEL
> beta 6.0 on the same machine)

Are you only experiencing this issue w/ a 2.6.34 kernel? Or also
with Fedora-provided kernels? If the latter, please be sure to open
a bug at bugzilla.redhat.com and Cc: linville(a)redhat.com when you do.


> No probe response from AP 00:1b:da:2a:a1:53 after 500ms, disconnecting.
> iwl3945 0000:10:00.0: Error sending REPLY_RXON: time out after 500ms.
> iwl3945 0000:10:00.0: Error setting new configuration (-110).
> iwl3945 0000:10:00.0: Error sending REPLY_RXON: time out after 500ms.
> iwl3945 0000:10:00.0: Error setting new configuration (-110).

<snip>

This looks like the firmware died. Since this is iwl3945, you might
try a patch like Reinette suggests here:

https://bugzilla.redhat.com/show_bug.cgi?id=589777#c5

Does that enable the device to recover?

John
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From: reinette chatre on 24 May 2010 14:40

On Sat, 2010-05-22 at 23:25 -0700, Satish Eerpini wrote:

> No probe response from AP 00:1b:da:2a:a1:53 after 500ms, disconnecting.
> iwl3945 0000:10:00.0: Error sending REPLY_RXON: time out after 500ms.
> iwl3945 0000:10:00.0: Error setting new configuration (-110).
> iwl3945 0000:10:00.0: Error sending REPLY_RXON: time out after 500ms.
> iwl3945 0000:10:00.0: Error setting new configuration (-110).

This did not use to be an issue with 3945 and unfortunately we do not
know what is triggering it now. Please try the "Enable stuck queue
detection on 3945" patch that is attached to
http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=1834 as a
workaround.

Reinette


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From: reinette chatre on 24 May 2010 18:10
On Mon, 2010-05-24 at 11:33 -0700, reinette chatre wrote:
> On Sat, 2010-05-22 at 23:25 -0700, Satish Eerpini wrote:
>
> > No probe response from AP 00:1b:da:2a:a1:53 after 500ms, disconnecting.
> > iwl3945 0000:10:00.0: Error sending REPLY_RXON: time out after 500ms.
> > iwl3945 0000:10:00.0: Error setting new configuration (-110).
> > iwl3945 0000:10:00.0: Error sending REPLY_RXON: time out after 500ms.
> > iwl3945 0000:10:00.0: Error setting new configuration (-110).
>
> This did not use to be an issue with 3945 and unfortunately we do not
> know what is triggering it now. Please try the "Enable stuck queue
> detection on 3945" patch that is attached to
> http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=1834 as a
> workaround.

Actually, sorry, but that patch will not work on 2.6.34 since the
feature it enables is not present there - it will be in 2.6.35 though.
To enable the feature in 2.6.34 will take some more backporting effort
that I'm looking into now.

Reinette


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From: reinette chatre on 25 May 2010 19:30
Hi Satish,

On Mon, 2010-05-24 at 15:08 -0700, reinette chatre wrote:
> On Mon, 2010-05-24 at 11:33 -0700, reinette chatre wrote:
> > On Sat, 2010-05-22 at 23:25 -0700, Satish Eerpini wrote:
> >
> > > No probe response from AP 00:1b:da:2a:a1:53 after 500ms, disconnecting.
> > > iwl3945 0000:10:00.0: Error sending REPLY_RXON: time out after 500ms.
> > > iwl3945 0000:10:00.0: Error setting new configuration (-110).
> > > iwl3945 0000:10:00.0: Error sending REPLY_RXON: time out after 500ms.
> > > iwl3945 0000:10:00.0: Error setting new configuration (-110).
> >
> > This did not use to be an issue with 3945 and unfortunately we do not
> > know what is triggering it now. Please try the "Enable stuck queue
> > detection on 3945" patch that is attached to
> > http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=1834 as a
> > workaround.
>
> Actually, sorry, but that patch will not work on 2.6.34 since the
> feature it enables is not present there - it will be in 2.6.35 though.
> To enable the feature in 2.6.34 will take some more backporting effort
> that I'm looking into now.

Please try the attached two patches.

Reinette

From: Ivan Bulatovic on 31 May 2010 09:20
On Tue, 2010-05-25 at 16:29 -0700, reinette chatre wrote:
> Hi Satish,
>
> On Mon, 2010-05-24 at 15:08 -0700, reinette chatre wrote:
> > On Mon, 2010-05-24 at 11:33 -0700, reinette chatre wrote:
> > > On Sat, 2010-05-22 at 23:25 -0700, Satish Eerpini wrote:
> > >
> > > > No probe response from AP 00:1b:da:2a:a1:53 after 500ms, disconnecting.
> > > > iwl3945 0000:10:00.0: Error sending REPLY_RXON: time out after 500ms.
> > > > iwl3945 0000:10:00.0: Error setting new configuration (-110).
> > > > iwl3945 0000:10:00.0: Error sending REPLY_RXON: time out after 500ms.
> > > > iwl3945 0000:10:00.0: Error setting new configuration (-110).
> > >
> > > This did not use to be an issue with 3945 and unfortunately we do not
> > > know what is triggering it now. Please try the "Enable stuck queue
> > > detection on 3945" patch that is attached to
> > > http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=1834 as a
> > > workaround.
> >
> > Actually, sorry, but that patch will not work on 2.6.34 since the
> > feature it enables is not present there - it will be in 2.6.35 though.
> > To enable the feature in 2.6.34 will take some more backporting effort
> > that I'm looking into now.
>
> Please try the attached two patches.
>
> Reinette
>
I didn't have a problem with 2.6.34 but with 2.6.35-rc1 while obtaing IP
address with dhcpcd it bails out with reason 3 and gets timed out. I've
tried to increase timeout to 100 but the result is the same. I can't
apply this patches because base is somewhat different, as I can see the
first patch is already applied but the second one isn't. Any
suggestions ? Thanks. In the meantime I will try to get some more debug
information.

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