From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felix Fietkau Subject: Re: ath9k crashing the kernel Date: Tue, 26 Oct 2010 14:28:56 +0200 Message-ID: <4CC6C988.4070706@openwrt.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Linux Kernel Mailing List , linux-wireless , netdev , ath9k-devel-xDcbHBWguxHbcTqmT+pZeQ@public.gmane.org, Linus Torvalds , shafi.wireless-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, "John W. Linville" To: Jaswinder Singh Return-path: In-Reply-To: Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org On 2010-10-26 9:09 AM, Jaswinder Singh wrote: >> ath9k is crashing the kernel : >> >> [ 21.276554] BUG: spinlock bad magic on CPU#1, NetworkManager/1056 >> [ 21.277015] lock: f5be80a8, .magic: 00000000, .owner: /-1, >> .owner_cpu: 0 >> [ 21.277015] Pid: 1056, comm: NetworkManager Not tainted 2.6.36-netbook+ #20 >> [ 21.277015] Call Trace: >> [ 21.277015] [] ? printk+0xf/0x11 >> [ 21.277015] [] spin_bug+0x7c/0x87 >> [ 21.301365] [] do_raw_spin_lock+0x1e/0x125 >> [ 21.301365] [] ? _raw_spin_unlock_bh+0x1a/0x1c >> [ 21.301365] [] _raw_spin_lock_irqsave+0x17/0x1c >> [ 21.318857] [] ath9k_config+0x255/0x38b >> [ 21.318857] [] ieee80211_hw_config+0x10a/0x114 >> [...] >> >> Linux 2.6.36 f6f94e2ab1 is good >> and >> 229aebb873e2972 is bad >> > > After further investigation bad commit is : > > 3430098ae463e31ab16926ac3eb295368a3ca5d9 is the first bad commit > commit 3430098ae463e31ab16926ac3eb295368a3ca5d9 > Author: Felix Fietkau > Date: Sun Oct 10 18:21:52 2010 +0200 > > ath9k: implement channel utilization stats for survey > This should already be fixed in wireless-testing by the following commit commit 20b25744d1366762c6878d3254f93973cafe1f8e Author: Ben Greear Date: Fri Oct 15 15:04:09 2010 -0700 ath9k: Properly initialize ath_common->cc_lock. - Felix -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html