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Date:   Sun, 26 Feb 2017 23:12:54 +0100
From:   Stefan Schmidt <>
To:     Alexander Aring <>,
        Fengguang Wu <>
Cc:     Marcel Holtmann <>,
        Rob Herring <>,
        Greg Kroah-Hartman <>,, LKP <>
Subject: Re: [ieee802154_unregister_hw] bea5b158ff BUG: scheduling while
 atomic: swapper/1/0x00000002


On 02/26/2017 12:07 PM, Alexander Aring wrote:
> Hi,
> On 02/26/2017 10:43 AM, Fengguang Wu wrote:
>> Greetings,
>> FYI, this debug patch discloses an old-but-still-active bug in
>> ieee802154/fakelb. The attached reproduce-* script may help debug it.
> fixed by: bdca1fd9a6df ("fakelb: fix schedule while atomic").

Some more context. Looking at your config and script file names they 
suggest this is tested with 4.8.0-rc4. Fengguang, is that correct?

The fix from above is in 4.8.0-rc7
git describe bdca1fd9a6df

> It should be send to stable. Stefan can you do that please?

The latest stable kernel is 4.10.1 and the latest longterm stable is 
4.9.13. Both of them should have this fix already.

If there is a desire I could try sending it for the older longterm 
stable tree 4.4.x. Not sure if this is really worth the effort. Comments?

Stefan Schmidt

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