Re: 2.6.32-rc5-git1 -- BUG kmalloc-8192: Poison overwritten (ath9k implicated)

From: Luis R. Rodriguez
Date: Mon Nov 23 2009 - 16:47:59 EST


On Thu, Nov 19, 2009 at 3:19 PM, Luis R. Rodriguez <mcgrof@xxxxxxxxx> wrote:
> On Mon, Nov 16, 2009 at 5:08 PM, Luis R. Rodriguez <mcgrof@xxxxxxxxx> wrote:
>> On Mon, Nov 16, 2009 at 4:41 PM, Miles Lane <miles.lane@xxxxxxxxx> wrote:
>>> On Mon, Nov 16, 2009 at 6:15 PM, Luis R. Rodriguez <mcgrof@xxxxxxxxx> wrote:
>>>> On Tue, Oct 20, 2009 at 1:45 PM, Miles Lane <miles.lane@xxxxxxxxx> wrote:
>>>>> Let me know if you want my .config file. ÂI think this was triggered by
>>>>> suspending my laptop.
>>>>>
>>>>> BUG kmalloc-8192: Poison overwritten
>>>>
>>>> Thanks for your report Miles.
>>>>
>>>> Are you using Linus' tree? Felix wrote some patches that got rid of
>>>> the rate control private area which we kmalloc/kfree and at least one
>>>> user reported that these patches fixed a memory leak. I'm curious if
>>>> the same patches would resolve this issue.
>>>>
>>>> Only thing is these patches apply against wireless-testing and not
>>>> 2.6.32. To test them you'd have to pull wireless-testing master to
>>>> your tree and then apply the patches both before and after.
>>>>
>>>> Would you be up to try that?
>>>
>>> Yes, definitely. ÂThanks. ÂI will try to accomplish this and let you
>>> know if I get stuck.
>>
>> OK, not sure if a merge of wireless-testing will be clean so you may
>> want to just clone fresh.. Anyway after you get wireless-testing bits
>> you'll want to apply these:
>>
>> http://patchwork.kernel.org/patch/60127/
>> http://patchwork.kernel.org/patch/60128/
>> http://patchwork.kernel.org/patch/60126/
>>
>> If you want to merge wireless-testing you can try:
>>
>> git merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
>> master
>>
>> If that'd doesn't gos smooth just clone it and I think you should be
>> able to safely --reference your current tree for objects for Linus'
>> tree.
>
> Miles I see no reply from you yet so I backported the patches in
> question for you. Can you please try 2.6.32-rc7 and apply these
> patches on top:
>
> http://bombadil.infradead.org/~mcgrof/patches/ath9k/2009/11-19/70-mac80211-total-ampdu-tx-info.patch
> http://bombadil.infradead.org/~mcgrof/patches/ath9k/2009/11-19/71-ath9k-remove-tx_info_priv.patch

Miles, any luck testing this?

Luis
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