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Re: [2.6.32-rc3] iwlagn lost connection after s2ram (with warnings)

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Hi Reinette,

On Thu  8.Oct'09 at 10:44:43 -0700, reinette chatre wrote:
> Hi Carlos,
> 
> On Wed, 2009-10-07 at 07:20 -0700, Carlos R. Mafra wrote:
> > I just got these warnings after resuming from a suspend to RAM, and
> > the wireless connection was not resumed (now I am connected via eth0).
> > This is the first time I had a failed wireless resume since 2.6.32-rc1.
> > 
> > The full dmesg is here: http://www.aei.mpg.de/~crmafra/dmesg-2.6.32-rc3-wifi.txt
> > 
> > [ 3427.570113] Restarting tasks ... 
> > [ 3427.585827] wlan0: deauthenticated from 00:0b:86:26:36:f1 (Reason: 6)
> > [ 3427.589451] done.
> > [ 3428.503203] input: PS/2 Mouse as /devices/platform/i8042/serio4/input/input15
> > [ 3428.521064] input: AlpsPS/2 ALPS GlidePoint as /devices/platform/i8042/serio4/input/input16
> > [ 3434.504175] wlan0: direct probe to AP 00:0b:86:26:36:f1 (try 1)
> > [ 3434.507058] wlan0: direct probe responded
> > [ 3434.507062] wlan0: authenticate with AP 00:0b:86:26:36:f1 (try 1)
> > [ 3434.509000] wlan0: authenticated
> > [ 3434.509022] wlan0: associate with AP 00:0b:86:26:36:f1 (try 1)
> > [ 3434.512778] wlan0: RX ReassocResp from 00:0b:86:26:36:f1 (capab=0x431 status=0 aid=2)
> > [ 3434.512782] wlan0: associated
> > [ 3434.563942] wlan0: deauthenticating from 00:0b:86:26:36:f1 by local choice (reason=3)
> 
> You mention you are trying to connect again after a resume. The message
> above indicates that userspace (maybe wpa_supplicant ?) requested that
> the connection be closed. Do you maybe know how this could have been
> triggered?

I have two processes that are always running,

/usr/sbin/wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant.conf -D wext
/sbin/ifplugd -I -b -i wlan0

and I guess they are the "userspace" that do automatic things to reconnect.

But I have no idea about what happened, or how it happened. I simply resumed from
s2ram like I always do and got those warnings and no connection.

Today I did the same (with the same kernel), and the connection was resumed just 
fine and I got no warnings in dmesg. So it is not easily reproduced :-(

I will keep you informed if it happens again.
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