From: Felix Fietkau <nbd-p3rKhJxN3npAfugRpC6u6w@public•gmane.org>
To: Jaswinder Singh <jaswinderlinux-Re5JQEeQqe8AvxtiuMwx3w@public•gmane.org>
Cc: Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public•gmane.org>,
linux-wireless
<linux-wireless-u79uwXL29TY76Z2rM5mHXA@public•gmane.org>,
netdev <netdev-u79uwXL29TY76Z2rM5mHXA@public•gmane.org>,
ath9k-devel-xDcbHBWguxHbcTqmT+pZeQ@public•gmane.org,
Linus Torvalds
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public•gmane.org>,
shafi.wireless-Re5JQEeQqe8AvxtiuMwx3w@public•gmane.org,
"John W. Linville"
<linville-2XuSBdqkA4R54TAoqtyWWQ@public•gmane.org>
Subject: Re: ath9k crashing the kernel
Date: Tue, 26 Oct 2010 14:28:56 +0200 [thread overview]
Message-ID: <4CC6C988.4070706@openwrt.org> (raw)
In-Reply-To: <AANLkTikHTgoJyxm80MuXM9oTvCPTFAPM12zVih1RsTfy-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.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: <none>/-1,
>> .owner_cpu: 0
>> [ 21.277015] Pid: 1056, comm: NetworkManager Not tainted 2.6.36-netbook+ #20
>> [ 21.277015] Call Trace:
>> [ 21.277015] [<c14767a7>] ? printk+0xf/0x11
>> [ 21.277015] [<c117b823>] spin_bug+0x7c/0x87
>> [ 21.301365] [<c117b8bd>] do_raw_spin_lock+0x1e/0x125
>> [ 21.301365] [<c1478d0a>] ? _raw_spin_unlock_bh+0x1a/0x1c
>> [ 21.301365] [<c1478dc3>] _raw_spin_lock_irqsave+0x17/0x1c
>> [ 21.318857] [<c1288a74>] ath9k_config+0x255/0x38b
>> [ 21.318857] [<c1447bdb>] 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 <nbd-p3rKhJxN3npAfugRpC6u6w@public•gmane.org>
> 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 <greearb-my8/4N5VtI7c+919tysfdA@public•gmane.org>
Date: Fri Oct 15 15:04:09 2010 -0700
ath9k: Properly initialize ath_common->cc_lock.
- Felix
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prev parent reply other threads:[~2010-10-26 12:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-26 5:06 ath9k crashing the kernel Jaswinder Singh
2010-10-26 7:09 ` Jaswinder Singh
[not found] ` <AANLkTikHTgoJyxm80MuXM9oTvCPTFAPM12zVih1RsTfy-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-10-26 12:28 ` Felix Fietkau [this message]
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