From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ming Lei <tom.leiming@gmail.com>,
Djalal Harouni <tixxdz@opendz.org>,
Borislav Petkov <borislav.petkov@amd.com>,
Tony Luck <tony.luck@intel.com>,
Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>,
Ingo Molnar <mingo@elte.hu>, Andi Kleen <ak@linux.intel.com>,
linux-kernel@vger.kernel.org, Greg Kroah-Hartman <gregkh@suse.de>,
Kay Sievers <kay.sievers@vrfy.org>,
gouders@et.bocholt.fh-gelsenkirchen.de,
Marcos Souza <marcos.mage@gmail.com>,
Linux PM mailing list <linux-pm@vger.kernel.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
"tglx@linutronix.de" <tglx@linutronix.de>,
prasad@linux.vnet.ibm.com, justinmattock@gmail.com,
Jeff Chua <jeff.chua.linux@gmail.com>,
Suresh B Siddha <suresh.b.siddha@intel.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Mel Gorman <mgorman@suse.de>,
Gilad Ben-Yossef <gilad@benyossef.com>
Subject: Re: x86/mce: machine check warning during poweroff
Date: Sat, 14 Jan 2012 08:48:07 +0530 [thread overview]
Message-ID: <4F10F3EF.8000908@linux.vnet.ibm.com> (raw)
In-Reply-To: <CA+55aFwWU8ieuV_EsA6nHwjV9iOgy04DEScngDKQ92wNGfPZ-Q@mail.gmail.com>
On 01/14/2012 08:40 AM, Linus Torvalds wrote:
> On Fri, Jan 13, 2012 at 7:05 PM, Srivatsa S. Bhat
> <srivatsa.bhat@linux.vnet.ibm.com> wrote:
>>> On Fri, Jan 13, 2012 at 6:41 PM, Srivatsa S. Bhat
>>> <srivatsa.bhat@linux.vnet.ibm.com> wrote:
>>>
>>>> The patch below works perfectly for me - I tested multiple CPU hotplug
>>>> operations as well as multiple pm_test runs at core level. Please let me
>>>> know if this solves the suspend issue as well..
>>>
>>> Ok, I'll try, and I bet it does.
>
> Yup, I can suspend and resume multiple times now.
Wow! Feels good to hear that, at last! :-)
By the way, in my excitement, while sending the patch I forgot to give
credits to the problem reporters with a "Reported-by". Hope that gets
resolved.
>
>> I totally agree with you. Even I had set out to find out *exactly* what
>> was going wrong. After spending significant amount of time digging through
>> the code (unsuccessfully), this idea of zeroing out everything struck me
>> and it worked, as expected. Yes, it is definitely important to know the
>> exact issue so that we can fix the driver core and avoid other mishaps,
>> but I guess finding that out is not all that simple.. as of now I am
>> rather exhausted following those zillions of pointers continuously
>> for the past few hours.. ;-/
>
> Fair enough. The many layers of clever indirection are really really
> nasty to follow, I agree.
>
:-)
Regards,
Srivatsa S. Bhat
IBM Linux Technology Center
next prev parent reply other threads:[~2012-01-14 3:18 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-11 0:00 x86/mce: machine check warning during poweroff Djalal Harouni
2012-01-12 14:22 ` Ming Lei
2012-01-13 20:22 ` Srivatsa S. Bhat
2012-01-13 20:34 ` Justin P. Mattock
2012-01-13 20:37 ` Linus Torvalds
2012-01-13 20:53 ` Srivatsa S. Bhat
2012-01-13 21:08 ` Linus Torvalds
2012-01-13 21:24 ` Andi Kleen
2012-01-13 21:38 ` Justin P. Mattock
2012-01-13 22:06 ` Srivatsa S. Bhat
2012-01-13 22:17 ` Alan Stern
2012-01-13 22:18 ` Srivatsa S. Bhat
2012-01-13 23:13 ` Andi Kleen
2012-01-14 0:44 ` Dirk Gouders
2012-01-13 23:02 ` Linus Torvalds
2012-01-13 23:27 ` Srivatsa S. Bhat
2012-01-14 0:05 ` Linus Torvalds
2012-01-14 2:41 ` Srivatsa S. Bhat
2012-01-14 2:53 ` Linus Torvalds
2012-01-14 3:05 ` Srivatsa S. Bhat
2012-01-14 3:10 ` Linus Torvalds
2012-01-14 3:18 ` Srivatsa S. Bhat [this message]
2012-01-14 3:41 ` Linus Torvalds
2012-01-14 5:15 ` Tony Luck
2012-01-14 14:49 ` Greg KH
2012-01-14 16:30 ` Alan Stern
2012-01-14 20:45 ` Jeff Chua
2012-01-15 2:05 ` Tony Luck
2012-01-15 2:34 ` Greg KH
2012-01-15 3:36 ` Alan Stern
2012-01-16 18:15 ` Greg KH
2012-01-16 18:11 ` Greg KH
2012-01-16 18:27 ` Luck, Tony
2012-01-16 18:34 ` Greg KH
2012-01-16 18:42 ` Kay Sievers
2012-01-17 2:21 ` Suresh Siddha
2012-01-17 9:52 ` Srivatsa S. Bhat
2012-01-17 16:15 ` Jeff Chua
2012-01-17 16:36 ` Srivatsa S. Bhat
2012-01-18 3:17 ` Suresh Siddha
2012-01-18 10:19 ` Srivatsa S. Bhat
2012-01-18 13:15 ` Srivatsa S. Bhat
2012-01-18 13:32 ` Sergey Senozhatsky
2012-01-18 22:08 ` Suresh Siddha
2012-01-19 7:50 ` Sergey Senozhatsky
2012-01-19 12:02 ` Srivatsa S. Bhat
2012-01-20 2:28 ` Suresh Siddha
2012-01-23 8:43 ` Peter Zijlstra
2012-01-26 20:27 ` [tip:sched/urgent] sched/nohz: Fix nohz cpu idle load balancing state with cpu hotplug tip-bot for Suresh Siddha
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