From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Borislav Petkov <bp@alien8.de>
Subject: Re: [GIT pull] smp/hotplug: Removal of notifiers
Date: Mon, 26 Dec 2016 15:53:08 -0500 [thread overview]
Message-ID: <1c76c271-8e04-ddb5-ab4f-c8a0fe99c23f@oracle.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1612261918360.3605@nanos>
On 12/26/2016 01:21 PM, Thomas Gleixner wrote:
> On Mon, 26 Dec 2016, Boris Ostrovsky wrote:
>> On 12/26/2016 10:45 AM, Markus Trippelsdorf wrote:
>>> The comment in arch/x86/kernel/cpu/mcheck/mce_amd.c says:
>>>
>>> 1384 * mcheck_init_device should be inited before threshold_init_device to
>>> 1385 * initialize mce_device, otherwise a NULL ptr dereference will cause panic.
>
> That's not changed by this commit.
>
>> My nightly test hit this as well. AMD only, Intel passed. I haven't
>> verified whether commit that Markus implicated is the one that caused
>> this but it's the same BUG signature (but possibly slightly different stack)
>>
>> [ 1.554351] smpboot: CPU0: AMD Engineering Sample (family: 0x10,
>> model: 0x4, stepping: 0x1)
>> ...
>
> Is there anything interesting error message before the BUG hits? I'll try
> to reproduce on a AMD box tomorrow.
Nothing that caught my eye. I can post it tomorrow if you are still
interested.
-boris
next prev parent reply other threads:[~2016-12-26 20:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-25 13:39 Thomas Gleixner
2016-12-26 7:45 ` Markus Trippelsdorf
2016-12-26 11:06 ` Markus Trippelsdorf
2016-12-26 15:45 ` Markus Trippelsdorf
2016-12-26 17:31 ` Boris Ostrovsky
2016-12-26 18:21 ` Thomas Gleixner
2016-12-26 20:53 ` Boris Ostrovsky [this message]
2016-12-26 21:00 ` Borislav Petkov
2016-12-26 21:16 ` Thomas Gleixner
2016-12-26 21:42 ` Thomas Gleixner
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