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Date: Sun, 15 Feb 2009 18:02:15 +0100 From: Frederic Weisbecker <fweisbec@...il.com> To: Sitsofe Wheeler <sitsofe@...oo.com> Cc: linux-kernel@...r.kernel.org Subject: Re: Poking ieee80211_default_rc_algo causes kernel lockups On Sun, Feb 15, 2009 at 04:09:57PM +0000, Sitsofe Wheeler wrote: > Hi, > > As mentioned on > http://groups.google.com/group/fa.linux.kernel/browse_frm/thread/d4a6ce26360613fa/b362792a2debced6?#b362792a2debced6 > , poking /sys/module/mac80211/parameters/ieee80211_default_rc_algo and > then trying to read values back is currently causing the kernel to go > funny. E.g. > echo blah > /sys/module/mac80211/parameters/ieee80211_default_rc_algo > cat /sys/module/mac80211/parameters/ieee80211_default_rc_algo > > Causes 2.6.29rc5 on my EeePC 900 to lock up. > > -- > Sitsofe Hi, I'm currently building a 2.6.29-rc5 with CONFIG_MAC80211 enabled to test it. Could you please enable the CONFIG_DETECT_SOFTLOCKUP option in your kernel? It's on Kernel Hacking > Detect Soft Lockups. With some chances you will have a relevant stacktrace of the lockup, in case I couldn't reproduce it. > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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