From: Larry Finger <Larry.Finger@lwfinger.net>
To: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Cc: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>,
linux-wireless@vger.kernel.org,
'George0505' <george0505@realtek.com>
Subject: Re: rtl8192cu gets confused when scan is aborted by bringing interface down (Re: rtl8192cu goes silent/dead after some time...)
Date: Mon, 11 Mar 2013 15:25:49 -0500 [thread overview]
Message-ID: <513E3DCD.5040507@lwfinger.net> (raw)
In-Reply-To: <20130311211709.17775i5d1zo9c8co@www.dalek.fi>
On 03/11/2013 02:17 PM, Jussi Kivilinna wrote:
> Quoting Jussi Kivilinna <jussi.kivilinna@iki.fi>:
>
>> Hello,
>>
>> I've made some more testing, and noticed that device does not go completely
>> silent...
>
> I can now reproduce this hang without large transfers with 'ifconfig wlan0 up;
> iw dev wlan0 scan & sleep 0.02; ifconfig wlan0 down'.
>
> The large tranfers caused connection to fail sometimes, leading wpa_supplicant
> to issue scan that is aborted. Manually aborting scan causes device/driver go
> into this partial silence state too (with beacons/probe requests received).
>
> So maybe driver does not do all the required clean-ups for aborted scans?
Have you tested 'ifconfig wlan0 up & sleep 0.02; ifconfig wlan0 down'? Is the
scan part absolutely necessary?
Larry
next prev parent reply other threads:[~2013-03-11 20:25 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-25 16:51 rtl8192cu goes silent/dead after some time Jussi Kivilinna
2013-02-27 19:05 ` Larry Finger
2013-03-10 12:29 ` Jussi Kivilinna
2013-03-11 19:17 ` rtl8192cu gets confused when scan is aborted by bringing interface down (Re: rtl8192cu goes silent/dead after some time...) Jussi Kivilinna
2013-03-11 20:25 ` Larry Finger [this message]
2013-03-11 21:06 ` Jussi Kivilinna
2013-03-11 21:10 ` Larry Finger
2013-03-11 21:31 ` Larry Finger
2013-03-12 9:10 ` Jussi Kivilinna
2013-03-12 16:51 ` Larry Finger
2013-03-12 19:49 ` Jussi Kivilinna
-- strict thread matches above, loose matches on Subject: below --
2013-03-13 15:11 Alessandro Lannocca
2013-03-13 15:25 ` Larry Finger
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