From: "H. Peter Anvin" <hpa@zytor.com>
To: Robert Richter <rric@kernel.org>
Cc: "Zhang, Jun" <jun.zhang@intel.com>,
Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
"x86@kernel.org" <x86@kernel.org>,
"oprofile-list@lists.sf.net" <oprofile-list@lists.sf.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Sometimes, there is OOPS happened when we use oprofile.
Date: Wed, 31 Oct 2012 14:27:46 -0700 [thread overview]
Message-ID: <509197D2.6000503@zytor.com> (raw)
In-Reply-To: <20121031210522.GB4386@ivy.homofaber>
On 10/31/2012 02:05 PM, Robert Richter wrote:
> Jun,
>
> On 29.10.12 02:33:54, Zhang, Jun wrote:
>> Sometimes, there is OOPS happened when we use oprofile. next
>> is the call stack. From call stack, we find in
>> call_on_stack if there is a nmi interrupt between "xchgl
>> %%ebx,%%esp" and "call *%%edi", system will OOPS.
>
> this should be related and fixed with:
>
> https://lkml.org/lkml/2012/9/12/269
>
> Ingo, HPA,
>
> please apply the fix of kernel_stack_pointer().
>
Thanks for the reminder. Ingo bounced this one to me for review while I
was away and it fell between the cracks.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2012-10-31 21:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-29 2:33 [PATCH] Sometimes, there is OOPS happened when we use oprofile Zhang, Jun
2012-10-31 21:05 ` Robert Richter
2012-10-31 21:27 ` H. Peter Anvin [this message]
2012-10-31 21:33 ` H. Peter Anvin
2012-10-31 22:45 ` Robert Richter
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