[Mageia-dev] No wifi after last kernel upgrade

Tue Apr 3 17:13:36 CEST 2012

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