Re: [ath9k-devel] ath9k causes lockups since kernel 2.6.35

[Mohammed Shafi <shafi.ath9k@gmail.com>]

On Fri, Feb 25, 2011 at 1:21 PM, Mohammed Shafi <shafi.ath9k@gmail.com> wrote:
> On Fri, Feb 25, 2011 at 1:32 AM, Jonathan Nieder <jrnieder@gmail.com> wrote:
>> (just cc-ing some people listed in MAINTAINERS)
>> Hi,
>>
>> Tony Houghton wrote:
>>
>>> With 2.6.37 I can not use suspend on my Compaq/HP 311c (Intel Atom
>>> N270/NVidia Ion LE). Originally the machine just kept locking up without
>>> even blanking the display when I tried to suspend (using the GNOME menu
>>> or by shutting the lid). I upgraded upower and gnome-power-manager etc
>>> to experimental and after that the machine suspended OK but could not
>>> resume. The backlight came on but the screen stayed blank and I could
>>> not get to a console or anything with Alt+Fn.
>> [...]
>>> I tried replacing network-manager with wicd but that crashed the system
>>> when it connected instead of when disconnected.
>> [...]
>>> While testing different kernels I found it would crash at different
>>> times, usually before the screen turned off for suspending, but
>>> sometimes it would crash on resuming and occasionally it locked up while
>>> booting, but it's always a complete lock-up ie the keyboard is
>>> completely responsive, including caps lock, the mouse won't move if the
>>> display is still on, and the only way out is to hold down the power
>>> button.
>> [...]
>>> I haven't tried looking in logs because the crashes are so severe I
>>> don't think they'd be able to record anything useful. But using git
>>> bisect I think I have tracked down the change that started causing this
>>> problem:
>>>
>>> 53bc7aa08b48e5cd745f986731cc7dc24eef2a9f is the first bad commit
>>> commit 53bc7aa08b48e5cd745f986731cc7dc24eef2a9f
>>> Author: Vivek Natarajan <vnatarajan@atheros.com>
>>> Date:   Mon Apr 5 14:48:04 2010 +0530
>>>
>>>     ath9k: Add support for newer AR9285 chipsets.
>>>
>>>     This patch adds support for a modified newer version of AR9285
>>>     chipsets.
>>>
>>>     Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
>>>     Signed-off-by: John W. Linville <linville@tuxdriver.com>
>>
>> The adaptor is an AR9285[1].
>>
>> That commit is based against v2.6.33 and was merged in v2.6.35-rc1
>>
>> $ git describe 53bc7aa08b48e5cd745f986731cc7dc24eef2a9f
>> v2.6.33-3523-g53bc7aa
>> $ git name-rev --tags 53bc7aa08b48e5cd745f986731cc7dc24eef2a9f
>> 53bc7aa08b48e5cd745f986731cc7dc24eef2a9f tags/v2.6.35-rc1~473^2~167^2~346
>>
>> Any ideas for tracking this down?
>
> is this issue still reproducible ?
> Apart from this reporting I have not seen any other  issues for AR9285.

sorry just now saw's Tonys message in linux wireless mailing list
>
>>
>> Thanks,
>> Jonathan
>>
>> [1]
>>> 84: udi = '/org/freedesktop/Hal/devices/pci_168c_2b'
>>>   pci.device_protocol = 0  (0x0)  (int)
>>>   pci.vendor = 'Atheros Communications Inc.'  (string)
>>>   info.vendor = 'Atheros Communications Inc.'  (string)
>>>   pci.product = 'AR9285 Wireless Network Adapter
>>> (PCI-Express)'  (string) linux.sysfs_path =
>>> '/sys/devices/pci0000:00/0000:00:15.0/0000:03:00.0'  (strin g)
>>>   info.parent = '/org/freedesktop/Hal/devices/pci_10de_ac6'  (string)
>>>   info.linux.driver = 'ath9k'  (string)
>>>   pci.subsys_vendor = 'Hewlett-Packard Company'  (string)
>>>   linux.hotplug_type = 2  (0x2)  (int)
>>>   linux.subsystem = 'pci'  (string)
>>>   info.subsystem = 'pci'  (string)
>>>   info.product = 'AR9285 Wireless Network Adapter
>>> (PCI-Express)'  (string) info.udi =
>>> '/org/freedesktop/Hal/devices/pci_168c_2b'  (string)
>>> pci.linux.sysfs_path =
>>> '/sys/devices/pci0000:00/0000:00:15.0/0000:03:00.0'  (string)
>>> pci.product_id = 43  (0x2b)  (int) pci.vendor_id = 5772  (0x168c)
>>> (int) pci.subsys_product_id = 12352  (0x3040)  (int)
>>> pci.subsys_vendor_id = 4156  (0x103c)  (int) pci.device_class = 2
>>> (0x2)  (int) pci.device_subclass = 128  (0x80)  (int)
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>>
>