linux-kernel - Re: BUG: scheduling while atomic: chcpu/6197/0x00000002

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Message-ID: <4FEC22E8.5030707@med.uni-frankfurt.de>
Date:	Thu, 28 Jun 2012 11:24:56 +0200
From:	Thomas Sattler <sattler@....uni-frankfurt.de>
To:	Borislav Petkov <bp@...en8.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: BUG: scheduling while atomic: chcpu/6197/0x00000002

> Any chance you could try a non-rt kernel,

Earlier in this thread I wrote, that 3.4.[23] are
in fact unaffected. Only 3.4.[234]-rt1[0123] show
this BUG in dmesg.

> to rule out an -rt issue?

Steven Rostedt wrote (w/o CC:LKML) that he believes
CPU hotplug is still an issue with -rt. So, are you
still interested to follow the "amd on intel" thing?

> Also, looks like your cpu can do 64-bit. Can you
> try a 64-bit kernel?

Yes, it's a 32-bit userland on 64-bit hardware. So
far I didn't compile 64-bit kernels on 32-bit user-
land but in case you're still interested in the
result, I'll give it a try.

> Also, what is the exact command line you're running
> with chcpu?

# chcpu --disable 1

Thomas
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