From: Stephane Eranian <eranian@google.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Borislav Petkov <bp@alien8.de>,
lkml <linux-kernel@vger.kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Mackerras <paulus@samba.org>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
x86 <x86@kernel.org>, Daniel Vetter <daniel.vetter@ffwll.ch>,
Jani Nikula <jani.nikula@linux.intel.com>,
David Airlie <airlied@linux.ie>,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
Jiri Kosina <jkosina@suse.cz>
Subject: Re: Info: mapping multiple BARs. Your kernel is fine.
Date: Tue, 25 Feb 2014 17:14:01 +0100 [thread overview]
Message-ID: <CABPqkBR4bR9U1bhTtA02gDVR0aZ7iXBfg87jPLHfhrZVeFF8_g@mail.gmail.com> (raw)
In-Reply-To: <530CBB3D.3080604@zytor.com>
Hi,
I am trying to understand your test case.
Were you actually measure uncore_imc events at the time you suspended?
I tried on my IvyBridge Lenovo and it works fine with 3.14-rc4+ (tip.git).
I used: echo -n disk >/sys/power/state
On Tue, Feb 25, 2014 at 4:48 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 02/24/2014 12:19 PM, Borislav Petkov wrote:
>> Btw,
>>
>> I don't know whether the following observation is related or not, but it
>> so happens that after resume from suspend-to-disk, I see the booting up
>> of the resume kernel on the console but when it is time for the original
>> kernel to take over and switch to graphics, the screen remains black but
>> the machine is responsive over the network.
>>
>> And this doesn't happen on every resume but only sporadically.
>>
>> And yep, -rc3 was fine.
>>
>> On Mon, Feb 24, 2014 at 05:24:00PM +0100, Borislav Petkov wrote:
>>> This started happening this morning after booting -rc4+tip, let's
>>> add *everybody* to CC :-)
>>>
>>> We have intel_uncore_init, snb_uncore_imc_init_box, uncore_pci_probe and
>>> other goodies on the stack.
>>>
>
> snb_uncore_imc_init_box() is introduced new in tip:perf/core, and is a
> relatively recent commit (b9e1ab6d4c0582cad97699285a6b3cf992251b00), so
> I suspect that that wasn't in whatever -rc3 mix you were testing.
>
> I am wondering if backing/disabling out that support (perhaps by
> removing the relevant PCI ID) fixes the problem?
>
> -hpa
>
next prev parent reply other threads:[~2014-02-25 16:14 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-24 16:24 Info: mapping multiple BARs. Your kernel is fine Borislav Petkov
2014-02-24 20:19 ` Borislav Petkov
2014-02-25 15:48 ` H. Peter Anvin
2014-02-25 16:14 ` Stephane Eranian [this message]
2014-02-25 16:30 ` Borislav Petkov
2014-02-25 16:33 ` Stephane Eranian
2014-02-25 17:39 ` Borislav Petkov
2014-02-25 18:54 ` Stephane Eranian
2014-02-25 22:10 ` Borislav Petkov
2014-02-26 6:56 ` Stephane Eranian
2014-02-26 9:29 ` Borislav Petkov
2014-02-26 9:47 ` Stephane Eranian
2014-02-26 9:59 ` Borislav Petkov
2014-02-27 10:12 ` Stephane Eranian
2014-02-27 10:27 ` Borislav Petkov
2014-02-27 22:12 ` Rafael J. Wysocki
2014-02-27 22:21 ` Borislav Petkov
2014-03-05 21:03 ` Stephane Eranian
2014-02-27 10:30 ` Peter Zijlstra
2014-02-27 10:32 ` Stephane Eranian
2014-02-27 11:08 ` Peter Zijlstra
2014-02-27 12:20 ` Stephane Eranian
2014-02-26 13:57 ` Rafael J. Wysocki
2014-02-26 13:50 ` Peter Zijlstra
2014-02-26 13:52 ` Borislav Petkov
2014-03-15 14:15 ` Rafael J. Wysocki
2014-03-16 11:55 ` Borislav Petkov
2014-03-16 13:08 ` Stephane Eranian
2014-03-17 0:09 ` Rafael J. Wysocki
2014-03-17 0:23 ` Rafael J. Wysocki
2014-03-20 2:24 ` Aaron Lu
2014-03-20 2:29 ` Stephane Eranian
2014-03-20 3:03 ` Zhang, Rui
2014-03-20 3:34 ` Stephane Eranian
2014-03-20 7:53 ` Zhang, Rui
2014-03-20 8:16 ` Yan, Zheng
2014-03-20 13:43 ` Zhang Rui
2014-03-20 16:03 ` Stephane Eranian
2014-03-20 13:35 ` Zhang Rui
2014-03-20 12:29 ` Rafael J. Wysocki
2014-03-20 16:45 ` Bjorn Helgaas
2014-03-20 20:55 ` Rafael J. Wysocki
2014-03-20 20:48 ` Bjorn Helgaas
2014-04-16 19:04 ` Borislav Petkov
2014-04-16 20:24 ` Zhang, Rui
2014-04-16 20:31 ` Bjorn Helgaas
2014-04-16 22:31 ` Dave Jones
2014-04-16 22:56 ` Bjorn Helgaas
2014-04-17 0:18 ` Dave Jones
2014-04-17 10:45 ` Borislav Petkov
2014-04-17 18:26 ` Bjorn Helgaas
2014-04-17 19:48 ` Borislav Petkov
2014-04-17 20:10 ` Bjorn Helgaas
2014-04-17 19:52 ` Dave Jones
2014-04-17 20:01 ` Borislav Petkov
2014-04-17 20:03 ` Dave Jones
2014-04-17 20:53 ` Dave Jones
2014-04-17 21:01 ` Borislav Petkov
[not found] ` <20140417213027.GA22412@redhat.com>
2014-04-18 10:38 ` Borislav Petkov
2014-04-16 23:08 ` Stephane Eranian
2014-04-16 23:11 ` Bjorn Helgaas
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