Return-path: <linux-wireless-owner@vger.kernel.org>
Received: from mail-wy0-f174.google.com ([74.125.82.174]:60074 "EHLO
	mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1750791Ab1IEHtl convert rfc822-to-8bit (ORCPT
	<rfc822;linux-wireless@vger.kernel.org>);
	Mon, 5 Sep 2011 03:49:41 -0400
Received: by wyh22 with SMTP id 22so3402030wyh.19
        for <linux-wireless@vger.kernel.org>; Mon, 05 Sep 2011 00:49:40 -0700 (PDT)
MIME-Version: 1.0
In-Reply-To: <1314956005.12761.10.camel@christian-kapeller>
References: <1314956005.12761.10.camel@christian-kapeller>
Date: Mon, 5 Sep 2011 13:19:39 +0530
Message-ID: <CAD2nsn1KBtDrxLNMr_gJZTJ0hr0aZKg5JM+TSE2EfXe8YOxpKg@mail.gmail.com> (sfid-20110905_094945_822432_7D65FA35)
Subject: Re: Oops while loading firmware of ath9k_htc device.
From: Mohammed Shafi <shafi.wireless@gmail.com>
To: Christian Kapeller <christian.kapeller@cmotion.eu>
Cc: linux-wireless@vger.kernel.org
Content-Type: text/plain; charset=ISO-8859-1
Sender: linux-wireless-owner@vger.kernel.org
List-ID: <linux-wireless.vger.kernel.org>

On Fri, Sep 2, 2011 at 3:03 PM, Christian Kapeller
<christian.kapeller@cmotion.eu> wrote:
> Hi,
>
> I already posted this message on ath9k-devel, but retrospectively
> it was wrong there. I just tried another another some other module
> (ID 148f:3572 Ralink Technology, Corp. RT3572 Wireless Adapter)
> The issue stays basically the same, and appears, when the module is
> trying to load it's firmware. I'll provide this oops if it is wanted.
> I'm sorry for the hassle.
>
>
>
>
> when loading the ath9k_htc module for my TL-WN722N device, I get an
> oops.
>
> I use the openwrt backfire distribution on an arm device, with kernel
> 2.6.31.12 and compat-wireless-2011-06-22. The firmware file is at
> /lib/firmware/ar9271.fw

this is not the correct firmware as i had mentioned earlier, i got
this when i purposefully loaded the wrong firmware in x86 platform.
unfortunately i am not able to get the panic with the same
compat-wireless-2011-06-22

[  501.400179] usb 1-1: ath9k_htc: Firmware - htc_9271.fw not found
[  501.400208] ath9k_htc: probe of 1-1:1.0 failed with error -22

>
> The device identifies as:
>
> ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11n
>
>
> The backtrace looks as follows:
>
>
> Unable to handle kernel NULL pointer dereference at virtual address
> 00000048
> pgd = c0004000
> [00000048] *pgd=00000000
> Internal error: Oops: 17 [#1] PREEMPT
> Modules linked in: xt_owner ipt_REDIRECT ipt_NETMAP ipt_MASQUERADE
> iptable_nat nf_nat xt_CONNMARK xt_recent xt_helper xt_conntrack
> xt_connmark xt_connbytes xt_NOTRACK iptable_raw xt_state
> nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ehci_hcd sd_mod ipt_REJECT
> xt_TCPMSS ipt_LOG xt_comment xt_multiport xt_mac xt_limit iptable_mangle
> iptable_filter ext3 jbd vfat fat ntfs ath9k_htc ath9k_common ath9k_hw
> ath nls_utf8 nls_iso8859_15 nls_iso8859_1 nls_cp437 mac80211 usbcore
> scsi_mod mbcache cfg80211 compat lib80211_crypt_tkip lib80211_crypt_ccmp
> lib80211_crypt_wep lib80211 arc4 aes_generic deflate ecb
> CPU: 0 ? ?Not tainted ?(2.6.31.12 #1)
> PC is at get_device_parent+0x78/0x14c
> LR is at get_device_parent+0x70/0x14c
> pc : [<c01afc88>] ? ?lr : [<c01afc80>] ? ?psr: 80000013
> sp : c6447b88 ?ip : c6447b88 ?fp : c6447ba4
> r10: 00000001 ?r9 : c65ffd0c ?r8 : c661cc60
> r7 : c6172af0 ?r6 : c65992b8 ?r5 : c65992c0 ?r4 : c6172af0
> r3 : 00000000 ?r2 : 00000000 ?r1 : 00000000 ?r0 : 00000001
> Flags: Nzcv ?IRQs on ?FIQs on ?Mode SVC_32 ?ISA ARM ?Segment kernel
> Control: 10c5387d ?Table: 9640c019 ?DAC: 00000017
> Process khubd (pid: 728, stack limit = 0xc64462e8)
> Stack: (0xc6447b88 to 0xc6448000)
> 7b80: ? ? ? ? ? ? ? ? ? c65992b8 c65992c0 00000000 c6599280 c6447bec
> c6447ba8
> 7ba0: c01b0cb4 c01afc1c c6172ae8 c6172ae8 00000000 c6599280 c6447be0
> c6447bc8
> 7bc0: c01b0128 c6172ae8 c65992b8 00000000 c6599280 c661cc60 c65ffd0c
> 00000001
> 7be0: c6447c1c c6447bf0 bf03b92c c01b0c18 00000001 c6172a80 c65ffd00
> c6599140
> 7c00: bf17b4a8 c65ed388 bf17b41c 00000000 c6447c34 c6447c20 bf03bbcc
> bf03b7c8
> 7c20: 00000000 bf17b41c c6447c64 c6447c38 bf16948c bf03bbb8 c6599160
> c6599140
> 7c40: c6599160 c6599140 00000000 c6172a80 bf17b44c bf17b4a8 c6447c94
> c6447c68
> 7c60: bf09ad4c bf1692c4 bf09ac58 c6599160 bf17b44c c01b3528 00000000
> 00000000
> 7c80: c65eed80 bf0ab8d4 c6447cbc c6447c98 c01b33c4 bf09ac64 c661ca20
> c6447ca8
> 7ca0: bf17b44c c6599160 c01b3528 00000000 c6447cd4 c6447cc0 c01b356c
> c01b32e8
> 7cc0: c6599160 c6447cd8 c6447cfc c6447cd8 c01b2860 c01b3534 c63f4588
> c63fbf34
> 7ce0: c6599194 c6599160 00000000 c6599140 c6447d14 c6447d00 c01b35f4
> c01b2818
> 7d00: c6599160 c6599168 c6447d24 c6447d18 c01b268c c01b35a8 c6447d6c
> c6447d28
> 7d20: c01b0f60 c01b266c c661c9c0 c6172ae8 c6447d6c c6447d40 c00a24fc
> c00a090c
> 7d40: 00000009 c6172a80 00000000 c65eed80 c6599140 00000000 c65eed80
> 00000001
> 7d60: c6447ddc c6447d70 bf099698 c01b0c18 00000001 00000000 00000000
> 00000000
> 7d80: 00001388 c6447d90 c0287f44 c6599140 00000000 c6172a84 c65eed80
> 00000000
> 7da0: c6172ae8 c65eed84 c661c9c0 00000001 c64882a0 c6172a80 bf0abf3c
> 00000001
> 7dc0: 00000000 00000000 c618d8c0 bf0ab750 c6447e04 c6447de0 bf0a148c
> bf099174
> 7de0: c00ec428 c00ec27c c6447e14 c6172ae8 bf0abf3c c01b3528 c6447e14
> c6447e08
> 7e00: bf099958 bf0a1444 c6447e3c c6447e18 c01b33c4 bf099934 c64882a0
> 00000000
> 7e20: bf0abf3c c6172ae8 c01b3528 00000000 c6447e54 c6447e40 c01b356c
> c01b32e8
> 7e40: c6172ae8 c6447e58 c6447e7c c6447e58 c01b2860 c01b3534 c63f4588
> c63fbdf4
> 7e60: c6172b1c c6172ae8 00000000 c600a300 c6447e94 c6447e80 c01b35f4
> c01b2818
> 7e80: c6172ae8 c6172af0 c6447ea4 c6447e98 c01b268c c01b35a8 c6447eec
> c6447ea8
> 7ea0: c01b0f60 c01b266c c6447ed4 c6173be8 3a393831 c00a0031 00000000
> c6172a80
> 7ec0: 00000000 c6172a80 00000000 c6172ae8 c6173b80 00000001 c618d8c0
> 00000002
> 7ee0: c6447f0c c6447ef0 bf093098 c01b0c18 c6256280 c6172a80 00000000
> c6173b80
> 7f00: c6447fc4 c6447f10 bf094358 bf093040 c6447f44 c6447f20 c0063728
> c003beb0
> 7f20: c035df0c ffffffff c6032000 c618d8d4 c6447f84 c62562b8 c62562c0
> 00000000
> 7f40: c6173c1c c6256288 c6256310 00000101 c6446000 c6256640 c62562bc
> c6256280
> 7f60: c6173b80 c6173d5c c6173b80 c6256660 c6256660 00000000 00000000
> c643a700
> 7f80: c005eb5c c6447f84 c6447f84 00000101 01010001 00000000 c6447fc4
> c645deb8
> 7fa0: c6447fcc bf093a30 00000000 00000000 00000000 00000000 c6447ff4
> c6447fc8
> 7fc0: c005e8f8 bf093a3c 00000000 00000000 c6447fd0 c6447fd0 00000000
> 00000000
> 7fe0: 00000000 00000000 00000000 c6447ff8 c004c50c c005e880 e59f40c8
> e5912004
> Backtrace:
> [<c01afc10>] (get_device_parent+0x0/0x14c) from [<c01b0cb4>] (device_add
> +0xa8/0x4e0)
> ?r7:c6599280 r6:00000000 r5:c65992c0 r4:c65992b8
> [<c01b0c0c>] (device_add+0x0/0x4e0) from [<bf03b92c>]
> (firmware_data_write+0x34c/0x548 [compat])
> [<bf03b7bc>] (firmware_data_write+0x1dc/0x548 [compat]) from
> [<bf03bbcc>] (compat_request_firmware+0x20/0xa0 [compat])
> [<bf03bbac>] (compat_request_firmware+0x0/0xa0 [compat]) from
> [<bf16948c>] (ath9k_hif_usb_probe+0x1d4/0x370 [ath9k_htc])
> [<bf1692b8>] (ath9k_hif_usb_probe+0x0/0x370 [ath9k_htc]) from
> [<bf09ad4c>] (usb_probe_interface+0xf4/0x144 [usbcore])
> [<bf09ac58>] (usb_probe_interface+0x0/0x144 [usbcore]) from [<c01b33c4>]
> (driver_probe_device+0xe8/0x1c0)
> [<c01b32dc>] (driver_probe_device+0x0/0x1c0) from [<c01b356c>]
> (__device_attach+0x44/0x48)
> ?r7:00000000 r6:c01b3528 r5:c6599160 r4:bf17b44c
> [<c01b3528>] (__device_attach+0x0/0x48) from [<c01b2860>]
> (bus_for_each_drv+0x54/0x94)
> ?r5:c6447cd8 r4:c6599160
> [<c01b280c>] (bus_for_each_drv+0x0/0x94) from [<c01b35f4>]
> (device_attach+0x58/0x70)
> ?r7:c6599140 r6:00000000 r5:c6599160 r4:c6599194
> [<c01b359c>] (device_attach+0x0/0x70) from [<c01b268c>]
> (bus_probe_device+0x2c/0x48)
> ?r5:c6599168 r4:c6599160
> [<c01b2660>] (bus_probe_device+0x0/0x48) from [<c01b0f60>] (device_add
> +0x354/0x4e0)
> [<c01b0c0c>] (device_add+0x0/0x4e0) from [<bf099698>]
> (usb_set_configuration+0x530/0x5c0 [usbcore])
> [<bf099168>] (usb_set_configuration+0x0/0x5c0 [usbcore]) from
> [<bf0a148c>] (generic_probe+0x54/0x98 [usbcore])
> [<bf0a1438>] (generic_probe+0x0/0x98 [usbcore]) from [<bf099958>]
> (usb_probe_device+0x30/0x34 [usbcore])
> ?r6:c01b3528 r5:bf0abf3c r4:c6172ae8
> [<bf099928>] (usb_probe_device+0x0/0x34 [usbcore]) from [<c01b33c4>]
> (driver_probe_device+0xe8/0x1c0)
> [<c01b32dc>] (driver_probe_device+0x0/0x1c0) from [<c01b356c>]
> (__device_attach+0x44/0x48)
> ?r7:00000000 r6:c01b3528 r5:c6172ae8 r4:bf0abf3c
> [<c01b3528>] (__device_attach+0x0/0x48) from [<c01b2860>]
> (bus_for_each_drv+0x54/0x94)
> ?r5:c6447e58 r4:c6172ae8
> [<c01b280c>] (bus_for_each_drv+0x0/0x94) from [<c01b35f4>]
> (device_attach+0x58/0x70)
> ?r7:c600a300 r6:00000000 r5:c6172ae8 r4:c6172b1c
> [<c01b359c>] (device_attach+0x0/0x70) from [<c01b268c>]
> (bus_probe_device+0x2c/0x48)
> ?r5:c6172af0 r4:c6172ae8
> [<c01b2660>] (bus_probe_device+0x0/0x48) from [<c01b0f60>] (device_add
> +0x354/0x4e0)
> [<c01b0c0c>] (device_add+0x0/0x4e0) from [<bf093098>] (usb_new_device
> +0x64/0xc0 [usbcore])
> [<bf093034>] (usb_new_device+0x0/0xc0 [usbcore]) from [<bf094358>]
> (hub_thread+0x928/0xe40 [usbcore])
> ?r7:c6173b80 r6:00000000 r5:c6172a80 r4:c6256280
> [<bf093a30>] (hub_thread+0x0/0xe40 [usbcore]) from [<c005e8f8>] (kthread
> +0x84/0x8c)
> [<c005e874>] (kthread+0x0/0x8c) from [<c004c50c>] (do_exit+0x0/0x600)
> ?r7:00000000 r6:00000000 r5:00000000 r4:00000000
> Code: e3a00001 ebfa490e e596309c e5933030 (e5b30048)
> ---[ end trace 18e995399c79b314 ]---
> note: khubd[728] exited with preempt_count 1
>
>
> Something goes wrong, starting in compat_firmware_class.c. I wasn't able
> to nail it down yet.

please try to use the updated firmware
http://wireless.kernel.org/download/htc_fw/1.3/
unlikely the oops disappears

>
> Is this problem known?
>
> best regards,
> christian
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at ?http://vger.kernel.org/majordomo-info.html
>



-- 
shafi