From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Borislav Petkov <bp@alien8.de>
Cc: x86-ml <x86@kernel.org>, lkml <linux-kernel@vger.kernel.org>
Subject: Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null)
Date: Mon, 12 Dec 2016 12:10:25 -0600 [thread overview]
Message-ID: <20161212181025.uz3gk3jasuskqfmf@treble> (raw)
In-Reply-To: <20161212175023.455mlwhmnqfew2nu@pd.tnic>
On Mon, Dec 12, 2016 at 06:50:23PM +0100, Borislav Petkov wrote:
> [ 0.000000] ffffffffbce03f40: 0000000000000000 ...
> [ 0.000000] ffffffffbce03f48: ffffffffbc0001b5 (start_cpu+0x5/0x14)
> [ 0.000000] ffffffffbce03f50: ffffffffbc0001b5 (start_cpu+0x5/0x14)
> [ 0.000000] ffffffffbce03f58: 0000000000000000 ...
> [ 0.000000] Linux version 4.9.0-rc8+ (root@gondor) (gcc version 6.2.0 20161109 (Debian 6.2.0-13) ) #2 SMP PREEMPT Mon Dec 12 18:36:48 CET 2016
Something funky is going on in the head code. It looks like start_cpu
is getting executed twice somehow. Need to do some more head
scratching...
--
Josh
next prev parent reply other threads:[~2016-12-12 18:10 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-10 16:17 WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Borislav Petkov
2016-12-10 17:04 ` Josh Poimboeuf
2016-12-10 17:28 ` Borislav Petkov
2016-12-12 15:45 ` Josh Poimboeuf
2016-12-12 17:50 ` Borislav Petkov
2016-12-12 18:10 ` Josh Poimboeuf [this message]
2016-12-12 21:16 ` Josh Poimboeuf
2016-12-12 21:34 ` Borislav Petkov
2016-12-12 22:11 ` Josh Poimboeuf
2016-12-12 22:33 ` Borislav Petkov
2016-12-12 23:05 ` Josh Poimboeuf
2016-12-13 14:34 ` Josh Poimboeuf
2016-12-13 16:55 ` Andy Lutomirski
2016-12-13 17:26 ` Josh Poimboeuf
2016-12-13 17:51 ` Borislav Petkov
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