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From: Ingo Molnar <mingo@elte.hu>
To: Jason Wessel <jason.wessel@windriver.com>
Cc: Don Zickus <dzickus@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Robert Richter <robert.richter@amd.com>,
	ying.huang@intel.com, Andi Kleen <andi@firstfloor.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: [V2 PATCH 0/6] x86, NMI: give NMI handler a face-lift
Date: Thu, 18 Nov 2010 09:05:16 +0100	[thread overview]
Message-ID: <20101118080516.GJ32621@elte.hu> (raw)
In-Reply-To: <4CE2E3C3.6060800@windriver.com>


* Jason Wessel <jason.wessel@windriver.com> wrote:

> On 11/16/2010 12:43 PM, Don Zickus wrote:
> > On Fri, Nov 12, 2010 at 12:27:55PM -0500, Don Zickus wrote:
> >
> > Hi Jason,
> >
> >   
> >>> I tested 2.6.35 and it does not hard hang, but suffered from a different
> >>> problem with a perf API change.   The kgdb tests appear to loop and loop
> >>> emitting endless streams of output in 2.6.35 and I already have that
> >>> problem patched.
> >>>       
> >
> > I keep getting the following stack trace which is different than your
> > hang.  Is this looping I am seeing something with the NMI or kgdb?
> >
> >   
> 
> That was also a regression due to changes in the perf API for which I
> have a patch pending.
> 
> I can send you the patch which Frederic has already tested OR you can
> turn off CONFIG_DEBUG_RODATA in the kernel config, which is the source
> of that particular problem.  

Would be nice to know that Don's series does not introduce a regression for kgdb 
before i can apply the patches.

Thanks,

	Ingo

  reply	other threads:[~2010-11-18  8:05 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-12 14:43 Don Zickus
2010-11-12 14:43 ` [PATCH 1/6] x86, NMI: Add NMI symbol constants and rename memory parity to PCI SERR Don Zickus
2010-11-12 14:43 ` [PATCH 2/6] x86, NMI: Add touch_nmi_watchdog to io_check_error delay Don Zickus
2010-11-12 14:43 ` [PATCH 3/6] x86, NMI: Rewrite NMI handler Don Zickus
2010-11-12 14:43 ` [PATCH 4/6] x86, NMI: Remove DIE_NMI_IPI and add priorties to handlers Don Zickus
2010-11-12 14:43 ` [PATCH 5/6] x86, NMI: Allow NMI reason io port (0x61) to be processed on any CPU Don Zickus
2010-11-12 14:43 ` [PATCH 6/6] x86, NMI: Remove do_nmi_callback logic Don Zickus
2010-11-12 15:05 ` [V2 PATCH 0/6] x86, NMI: give NMI handler a face-lift Jason Wessel
2010-11-12 15:42   ` Don Zickus
2010-11-12 15:55     ` Jason Wessel
2010-11-12 16:11       ` Don Zickus
2010-11-12 16:34         ` Jason Wessel
2010-11-12 17:27           ` Don Zickus
2010-11-16 18:43             ` Don Zickus
2010-11-16 20:04               ` Jason Wessel
2010-11-18  8:05                 ` Ingo Molnar [this message]
2010-11-18 12:47                   ` Jason Wessel
2010-11-18 13:17                     ` Peter Zijlstra
2010-11-18 14:32                       ` Don Zickus
2010-11-18 15:18                         ` Jason Wessel
2010-11-18 15:38                       ` Peter Zijlstra
2010-11-18 19:32                       ` Don Zickus
2010-11-18 19:51                         ` Jason Wessel
2010-11-18 20:04                           ` Peter Zijlstra
2010-11-18 20:08                           ` Don Zickus
2010-11-18 20:11                             ` Cyrill Gorcunov
2010-11-18 20:52                               ` Don Zickus
2010-11-18 21:01                                 ` Cyrill Gorcunov
2010-11-18 21:16                                   ` Don Zickus
2010-11-18 21:26                                     ` Cyrill Gorcunov
2010-11-18 20:28                             ` Cyrill Gorcunov
2010-11-18 20:39                               ` Cyrill Gorcunov
2010-11-18 21:02                                 ` Don Zickus
2010-11-18 21:19                                   ` Cyrill Gorcunov
2010-11-18 20:30                             ` Peter Zijlstra
2010-11-19 16:59                               ` Don Zickus
2010-11-19 18:25                                 ` Peter Zijlstra
2010-11-19 22:59                                   ` Don Zickus
2010-11-19 23:09                                     ` Peter Zijlstra
2010-11-19 23:30                                       ` Jason Wessel
2010-11-22 14:22                                         ` Don Zickus
2010-11-22 14:22                                       ` Don Zickus
2010-11-22 14:29                                         ` Peter Zijlstra
2010-11-18 20:04                         ` Cyrill Gorcunov
2010-11-18 21:56                         ` Cyrill Gorcunov
2010-11-18 21:58                           ` Cyrill Gorcunov
2010-11-18 22:15                           ` Cyrill Gorcunov
2010-11-18 22:24                             ` Jason Wessel
2010-11-18 22:27                               ` Cyrill Gorcunov

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