linux-kernel - Re: [FMC] BUG: scheduling while atomic: swapper/1/0x10000002

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Message-ID: <20140409050843.GA18949@mail.gnudd.com>
Date:	Wed, 9 Apr 2014 07:08:43 +0200
From:	Alessandro Rubini <rubini@...dd.com>
To:	jet.chen@...el.com
Cc:	gregkh@...uxfoundation.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, fengguang.wu@...el.com
Subject: Re: [FMC] BUG: scheduling while atomic: swapper/1/0x10000002

Hello.
Thank you for the report.

I'm at a conference and I fear I won't be able to test myself in the
next days, but I think this is already fixed (it is part of
the "misc_register" call path, so it's the same problem).

The fix is commit v3.11-rc2-11-g783c2fb

   783c2fb FMC: fix locking in sample chardev driver

This commit, however, is not part of v3.11 and I think this is why you
are finding the problem in the v3.10..v3.11 interval.

thank you again
/alessandro
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