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<H1>[Mageia-dev] No wifi after last kernel upgrade</H1>
<B>Thomas Backlund</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20No%20wifi%20after%20last%20kernel%20upgrade&In-Reply-To=%3C4F7B13A0.30006%40mageia.org%3E"
TITLE="[Mageia-dev] No wifi after last kernel upgrade">tmb at mageia.org
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<I>Tue Apr 3 17:13:36 CEST 2012</I>
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<PRE>03.04.2012 16:59, Thomas Backlund skrev:
><i> 03.04.2012 16:35, Oliver Burger skrev:
</I>>><i> Hi there,
</I>>><i>
</I>>><i> after last kernel upgrade (3.3.1-1.mga2) I have no more wifi.
</I>>><i> Booting into the previous kernel (3.3.0-2.mga2) gets it working again.
</I>>><i> Wobo reported that same problem in the forum.
</I>>><i> See also <A HREF="https://forums.mageia.org/en/viewtopic.php?f=15&t=2172">https://forums.mageia.org/en/viewtopic.php?f=15&t=2172</A>
</I>>><i>
</I>>><i> Can anybody confirm?
</I>>><i> According to wobo's report it depends on the wifi chip, mine is an
</I>>><i> AR9285, Wobo has the same one. But he reports no problems on another
</I>>><i> device using a bcm4312 chip.
</I>>><i>
</I>>><i> Oliver
</I>>><i>
</I>><i>
</I>><i> Yep. It's known...
</I>><i>
</I>><i> This patch (in upstream 3.3.1) broke it:
</I>>><i>From c1afdaff90538ef085b756454f12b29575411214 Mon Sep 17 00:00:00 2001
</I>><i> From: Felix Fietkau <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">nbd at openwrt.org</A>>
</I>><i> Date: Sat, 10 Mar 2012 13:57:04 +0100
</I>><i> Subject: ath9k: fix going to full-sleep on PS idle
</I>><i>
</I>><i> From: Felix Fietkau <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">nbd at openwrt.org</A>>
</I>><i>
</I>><i> commit c1afdaff90538ef085b756454f12b29575411214 upstream.
</I>><i>
</I>><i>
</I>><i> Atheros guys are checking it out..
</I>><i>
</I>
and here is a kernel-3.3.1-1.1.mga2 to test with the above patch reverted
<A HREF="http://tmb.mine.nu/Mageia/Cauldron/bugs/3.3.1-ath9k-revert/">http://tmb.mine.nu/Mageia/Cauldron/bugs/3.3.1-ath9k-revert/</A>
<A HREF="http://tmb2.mine.nu/Mageia/Cauldron/bugs/3.3.1-ath9k-revert/">http://tmb2.mine.nu/Mageia/Cauldron/bugs/3.3.1-ath9k-revert/</A>
--
Thomas
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