From mboxrd@z Thu Jan  1 00:00:00 1970
Return-path: <ath10k-bounces+kvalo=adurom.com@lists.infradead.org>
Received: from smtp.codeaurora.org ([198.145.29.96])
 by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux))
 id 1cEbYI-0007uT-SM
 for ath10k@lists.infradead.org; Wed, 07 Dec 2016 12:42:27 +0000
Date: Wed, 7 Dec 2016 18:11:49 +0530
From: Mohammed Shafi Shajakhan <mohammed@codeaurora.org>
Subject: Re: boot kernel panic with QCA6174 and kernel 4.8
Message-ID: <20161207124149.GA4410@atheros-ThinkPad-T61>
References: <c932ec30-7538-3229-e965-cfea18742e9c@maloteaux.net>
MIME-Version: 1.0
Content-Disposition: inline
In-Reply-To: <c932ec30-7538-3229-e965-cfea18742e9c@maloteaux.net>
List-Id: <ath10k.lists.infradead.org>
List-Unsubscribe: <http://lists.infradead.org/mailman/options/ath10k>,
 <mailto:ath10k-request@lists.infradead.org?subject=unsubscribe>
List-Archive: <http://lists.infradead.org/pipermail/ath10k/>
List-Post: <mailto:ath10k@lists.infradead.org>
List-Help: <mailto:ath10k-request@lists.infradead.org?subject=help>
List-Subscribe: <http://lists.infradead.org/mailman/listinfo/ath10k>,
 <mailto:ath10k-request@lists.infradead.org?subject=subscribe>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: "ath10k" <ath10k-bounces@lists.infradead.org>
Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org
To: Alexandre Maloteaux <alexandre@maloteaux.net>
Cc: ath10k@lists.infradead.org

Hi,

On Wed, Dec 07, 2016 at 09:40:29AM +0100, Alexandre Maloteaux wrote:
> Hi
> Since recent kernel upgrade on Arch linux ;  im facing  boot kernel
> panics with the ath10k_pci and QCA6174 802.11ac Wireless Network Adapter
> on an Eurocom P5 Pro laptop.
> 
> This is the main call stack dump :
> 
> ath10k_print_driver_info(ath10k_core)
> ath10k_pcl_fw_crashed_dump (ath10k_pci)
> ath10k_pcl.tasklet

[shafi] If you have the source of the same and with the help of gdb we
can get the exact line

> 
> So far i can circumvent the kernel panic by appending
> modprobe.blacklist=ath10k_pci  to the kernel command line.
> Once the Os is booted i can load the module with modprobe without
> triggering the kernel panic.
> 
> I also unpacked the initrd and the firmware file are not located in
> lib/firmware.

[shafi] interesting your log (image file) seems to show the firmware is crashed
? if the firmware is missing you can give a try with this
https://patchwork.kernel.org/patch/9412085/ but the call trace looks completely
different, if the f/w is not there

long time back we fixed a race https://patchwork.kernel.org/patch/9167045/ but
it should be available in 4.8.11

> 
> I could not setup kdump so early in the boot process so i have attached
> a screenshot of the on screen dump.
> 
> lspci :
> 06:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless
> Network Adapter (rev 20)
> 
> uname -r
> 4.8.11-1-ARCH
> 
> Best Regards


> _______________________________________________
> ath10k mailing list
> ath10k@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/ath10k


_______________________________________________
ath10k mailing list
ath10k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath10k