[Bug 72921] New: DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

[Bug 72921] New: DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

          Priority: medium
            Bug ID: 72921
          Assignee: dri-devel@lists.freedesktop.org
           Summary: DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33
          Severity: blocker
    Classification: Unclassified
                OS: Linux (All)
          Reporter: mmstickman@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/DRI/R600
           Product: Mesa

As Linux kernel 3.13 has DPM now enabled by default, it is unbootable due to an
issue with DPM and this set of hardware. Soon after the display is initiated,
such as when it gets to the login screen, the system will simply power off and
reboot if DPM is enabled.

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> ---
Please attach your xorg log and dmesg output with radeon.dpm=1 on the kernel
command line in grub.  While dpm is enabled by default, forcing dpm=1 will
enable extra debugging output.

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 91047
  --> https://bugs.freedesktop.org/attachment.cgi?id=91047&action=edit
testing patch

Does the attached patch help?  If so can you narrow down which options are
causing the problem?

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

Andreas Boll <andreas.boll.dev@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|Mesa                        |DRI
            Version|git                         |unspecified
          Component|Drivers/DRI/R600            |DRM/Radeon

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--- Comment #3 from Arno Schuring <aelschuring@hotmail.com> ---
Created attachment 100359
  --> https://bugs.freedesktop.org/attachment.cgi?id=100359&action=edit
dmesg

Looks like I'm seeing this same issue with an A8-6500 and linux 3.14: the
system reboots within a few seconds after the radeon module gets loaded. The
motherboard is an MSI A78M-E45. I'm attaching my (netconsole-captured) dmesg,
but no obvious errors are logged. Maybe the probed power states are off, I
can't tell. It does look like netconsole mangled some of the output, hope it's
still useful.

If I boot with radeon.dpm=0, everything seems fine (though I haven't run
anything 3D yet, glxinfo output appears correct). Blacklisting the radeon
module also prevents the system from rebooting, but X won't start.

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--- Comment #4 from Alex Deucher <agd5f@yahoo.com> ---
Does attachment 91047 help?

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #5 from Arno Schuring <aelschuring@hotmail.com> ---
Hi Alex, just rebooted to test that patch. It applied to 3.15-rc8 with offset
6. Sadly, no change in behaviour. I've compared the power states in the dmesg
logs, but they appear similar as well

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--- Comment #6 from Kertesz Laszlo <laszlo.kertesz@infobenefic.ro> ---
Cannot reproduce on A8-6500 with a Gigabyte F2A88X-D3H. I had a F2A85X-D3H
before with a A8-5500, and i used kernels below and above 3.13 on that too, but
never had this issue.

I compile the kernel and mesa regularly from git (base system is Debian Testing
64 bit), right now i have 3.15.0-rc7-00118-ga4bf79e installed and works without
issues.

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--- Comment #7 from Collin <nothingmuchheretosay@gmail.com> ---
I think this may apply to MSI hardware in general, because I have an
FM2-A75IA-E53 Motherboard with an AMD A10-6700T and I can't boot without
radeon.dpm=0 disabled.

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--- Comment #8 from Alex Deucher <agd5f@yahoo.com> ---
You might try a bios update if one is available for your board.

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--- Comment #9 from Collin <nothingmuchheretosay@gmail.com> ---
(In reply to comment #8)
> You might try a bios update if one is available for your board.

Just updated to the latest, no change, this bug NEEDS to get fixed sometime
soon, hopefully? Maybe? How long does it normally take for bugs this bad to get
fixed?

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--- Comment #10 from Kertesz Laszlo <laszlo.kertesz@infobenefic.ro> ---
Since this bug seems to be restricted to specific boards, without your help
will be hard to solve it.

You could try adjusting BIOS settings. Maybe you have some proprietary MSI
specific "performance booster" settings or OC activated?
Did you try resetting the BIOS to defaults?
Do you have some special brand of memory?

Also, looking at that dmesg output i see some lines beginning with "#" such as

Jun  3 15:24:01 172.22.15.56 [   51.381984] #011ui class: 
Jun  3 15:24:01 none 
etc.

I dont have any of those in my dmesg and never had (A8-5500 and A8-6500 APUs on
Gigabyte boards).

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--- Comment #11 from mmstickman@gmail.com ---
If I recall correctly, I used AMD Radeon RAM when I built the system. I can't
say whether or not the bug still occurs on the machine I posted this bug with
because I built it as an office PC for someone else. Being a production
machine, I didn't have any kind of boosters or overclocking features enabled. I
think it's more than likely something to do with MSI's implementation of FM2/+

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--- Comment #12 from Arno Schuring <aelschuring@hotmail.com> ---
I have upgraded my bios from 25.1 to 25.3, issue remains. I will browse the
BIOS for overclocking settings, but I didn't change any; so if they do effect
this, then it's the factory-defaults causing this.

This is a wild guess, but the symptoms to me look like a spurious watchdog
kicking in, given that the system appears fully functional right up until the
reboot, no errors are logged and there is a delay between the modprobe and the
reboot.

@Kertesz: according to Alex in comment #1, "forcing dpm=1 will enable extra
debugging output". Possibly that's why you're not seeing those lines.

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--- Comment #13 from Kertesz Laszlo <laszlo.kertesz@infobenefic.ro> ---
I DO have set radeon.dpm=1 in the kernel command line.
Its there since this option was introduced (didnt remove it when it became
default).

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--- Comment #14 from Collin <nothingmuchheretosay@gmail.com> ---
So what should I do with this? How long do I wait for a fix for this? I would
really not want to replace my motherboard just to use my APU.

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--- Comment #15 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #14)
> So what should I do with this? How long do I wait for a fix for this? I
> would really not want to replace my motherboard just to use my APU.

You can either disable dpm (I can add a quirk in the meantime to disable it by
default for your board), or wait for the fix.  I'm not sure how long it will
take to track down exactly what is going wrong.

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--- Comment #16 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 101179
  --> https://bugs.freedesktop.org/attachment.cgi?id=101179&action=edit
possible fix

Maybe there is some problem with the clocks or voltage in the highest power
level.  Does the attached patch help?

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--- Comment #17 from Collin <nothingmuchheretosay@gmail.com> ---
(In reply to comment #16)
> Created attachment 101179 [details] [review]
> possible fix
> 
> Maybe there is some problem with the clocks or voltage in the highest power
> level.  Does the attached patch help?

Where and how do I apply this patch to... wherever it's supposed to go? And
will it work on a Richland APU?

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--- Comment #18 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #17)
> (In reply to comment #16)
> > Created attachment 101179 [details] [review] [review]
> > possible fix
> > 
> > Maybe there is some problem with the clocks or voltage in the highest power
> > level.  Does the attached patch help?
> 
> Where and how do I apply this patch to... wherever it's supposed to go? And
> will it work on a Richland APU?

It applies to the kernel.  You need to apply the patch and build and install
the kernel.

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--- Comment #19 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 101191
  --> https://bugs.freedesktop.org/attachment.cgi?id=101191&action=edit
testing patch

Here's another kernel patch to try.  Please try this independent of any other
patches on this bug.

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--- Comment #20 from Collin <nothingmuchheretosay@gmail.com> ---
(In reply to comment #19)
> Created attachment 101191 [details] [review]
> testing patch
> 
> Here's another kernel patch to try.  Please try this independent of any
> other patches on this bug.

First patch failed, gonna try out the second as soon as I start compiling a new
kernel.

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--- Comment #21 from Collin <nothingmuchheretosay@gmail.com> ---
Second patch from Alex Deucher worked like a charm! 60FPS on TF2 and currently
testing out L4D2 :D

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--- Comment #22 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #21)
> Second patch from Alex Deucher worked like a charm! 60FPS on TF2 and
> currently testing out L4D2 :D

Please attach your dmesg output.

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--- Comment #23 from Collin <nothingmuchheretosay@gmail.com> ---
Created attachment 101268
  --> https://bugs.freedesktop.org/attachment.cgi?id=101268&action=edit
dmesg output

101191: testing patch fixes the DPM loop

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--- Comment #24 from Arno Schuring <aelschuring@hotmail.com> ---
Created attachment 101420
  --> https://bugs.freedesktop.org/attachment.cgi?id=101420&action=edit
dmesg with working bapm patch

I can confirm that the latter patch (attachment 101191) solves the issue for
me, I haven't tried the earlier patch because it didn't work for Collin. I can
re-test that if that's still useful.

Attaching dmesg; I compared the probed power states and they appear similar.
What's bapm?

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #25 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #24)
> Created attachment 101420 [details]
> dmesg with working bapm patch
> 
> I can confirm that the latter patch (attachment 101191 [details] [review])
> solves the issue for me, I haven't tried the earlier patch because it didn't
> work for Collin. I can re-test that if that's still useful.
> 

Probably not necessary.

> Attaching dmesg; I compared the probed power states and they appear similar.
> What's bapm?

It allows the CPU and GPU to share TDP headroom.  E.g., if the CPU isn't busy,
the the GPU can user higher performance states longer and vice versa.

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Re: [Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

[Laszlo Kertesz]

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On 6/20/2014 4:30 PM, bugzilla-daemon@freedesktop.org wrote:
>
> *Comment # 25 <https://bugs.freedesktop.org/show_bug.cgi?id=72921#c25> 
> on bug 72921 <https://bugs.freedesktop.org/show_bug.cgi?id=72921> from 
> Alex Deucher <mailto:agd5f@yahoo.com> *
> (In reply tocomment #24  <show_bug.cgi?id=72921#c24>)
> > Createdattachment 101420  <attachment.cgi?id=101420>  [details]  <attachment.cgi?id=101420&action=edit>
> > dmesg with working bapm patch
> >
> > I can confirm that the latter patch (attachment 101191  <attachment.cgi?id=101191>  [details]  <attachment.cgi?id=101191&action=edit>  [review]  <page.cgi?id=splinter.html&bug=72921&attachment=101191>  [review])
> > solves the issue for me, I haven't tried the earlier patch because it didn't
> > work for Collin. I can re-test that if that's still useful.
> >
>
> Probably not necessary.
>
> > Attaching dmesg; I compared the probed power states and they appear similar.
> > What's bapm?
>
> It allows the CPU and GPU to share TDP headroom.  E.g., if the CPU isn't busy,
> the the GPU can user higher performance states longer and vice versa.
And what happens if its disabled?
Because as it stands now, the CPU and GPU are still throttled if heated 
up. The CPU's turbo core is disabled, is it the same for the GPU?


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Re: [Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

[Alex Deucher]

On Fri, Jun 20, 2014 at 10:11 AM, Laszlo Kertesz
<laszlo.kertesz@gmail.com> wrote:
>
> On 6/20/2014 4:30 PM, bugzilla-daemon@freedesktop.org wrote:
>
> Comment # 25 on bug 72921 from Alex Deucher
>
> (In reply to comment #24)
>> Created attachment 101420 [details]
>> dmesg with working bapm patch
>>
>> I can confirm that the latter patch (attachment 101191 [details] [review]
>> [review])
>> solves the issue for me, I haven't tried the earlier patch because it
>> didn't
>> work for Collin. I can re-test that if that's still useful.
>>
>
> Probably not necessary.
>
>> Attaching dmesg; I compared the probed power states and they appear
>> similar.
>> What's bapm?
>
> It allows the CPU and GPU to share TDP headroom.  E.g., if the CPU isn't
> busy,
> the the GPU can user higher performance states longer and vice versa.
>
> And what happens if its disabled?
> Because as it stands now, the CPU and GPU are still throttled if heated up.
> The CPU's turbo core is disabled, is it the same for the GPU?
>

Right.  They don't share the headroom if it is disabled.

Alex

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

Collin <nothingmuchheretosay@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #26 from Collin <nothingmuchheretosay@gmail.com> ---
Should this be marked as fixed or is there any other types of testing needed?

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #27 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #26)
> Should this be marked as fixed or is there any other types of testing needed?

I need to push the patches upstream, but I'll be ding that this week.

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #28 from Collin <nothingmuchheretosay@gmail.com> ---
(In reply to comment #27)
> (In reply to comment #26)
> > Should this be marked as fixed or is there any other types of testing needed?
> 
> I need to push the patches upstream, but I'll be ding that this week.

Was the patch pushed upstream yet? If so how would I know, because I'd like to
upgrade to kernel 3.14 or 3.15 for better performance with my APU.

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #29 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #28)
> Was the patch pushed upstream yet? If so how would I know, because I'd like
> to upgrade to kernel 3.14 or 3.15 for better performance with my APU.

Not yet.  It'll be in my -fixes pull request this week.

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #30 from Kertesz Laszlo <laszlo.kertesz@gmail.com> ---
I activated bapm on my A8-6500 (on a GA-F2A88X-D3H mobo).
It is working as advertised - the CPU reached its 4GHz turbo core speed and was
working between 3.5GHz(nominal top speed) and 4GHz for quite long time periods.
Actually, from a performance point of view, this is the best so far (Catalyst
had some nasty CPU slowdowns, not seen in /proc/cpu).

Now, the problems - about once a day the computer reboots suddenly. Every time
my wife was playing some flash based Facebook game BTW. Using other stuff, even
playing 3D games or using VDPAU acceleration didnt seem to create problems.

Also, i observed this in the system log:

[  299.812285] mce: [Hardware Error]: Machine check events logged

/var/log/mcelog has these:

mcelog: failed to prefill DIMM database from DMI data
mcelog: Unknown CPU type vendor 2 family 15 model 3
Hardware event. This is not a software error.
MCE 0
CPU 0 BANK 4
ADDR feb0c114
TIME 1404369155 Thu Jul  3 09:32:35 2014
STATUS b600000000070f0f MCGSTATUS 0
MCGCAP 107 APICID 0 SOCKETID 0
CPUID Vendor AMD Family 21 Model 3

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #31 from Kertesz Laszlo <laszlo.kertesz@gmail.com> ---
I had some more reboots, some when the computer was idling. Now i reverted the
patch and rebuilt the kernel, let's see if it will help.

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

Rpnpif <rpnpif@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rpnpif@free.fr

--- Comment #32 from Rpnpif <rpnpif@free.fr> ---
This patch (bapm=true) fixed all bug issue that I had from 3.13 with MSI
A78M-E35 motherboard with AMD APU A4-5300. My test are with 3.14.12 kernel and
radeon.dpm=1.

More ! "vblank_mode=1 glxgears" give two times more fps than with radeon.dpm=0.
Better temperature of the APU : cooler in idle mode and cool faster.

Succeed until now.

Thank you very much for your work.

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #33 from Kertesz Laszlo <laszlo.kertesz@infobenefic.ro> ---
So after more testing, i can confirm that activating bapm on my hardware
(A8-6500 APU, Gigabyte GA-F2A88X-D3H mobo) leads to periodical sudden reboots
(nothing in the logs).

Deactivating bapm makes the system stable again.

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #34 from Collin <nothingmuchheretosay@gmail.com> ---
(In reply to comment #33)
> So after more testing, i can confirm that activating bapm on my hardware
> (A8-6500 APU, Gigabyte GA-F2A88X-D3H mobo) leads to periodical sudden
> reboots (nothing in the logs).
> 
> Deactivating bapm makes the system stable again.

That's another big problem, so there needs to be more testing for APUs with
other hardware that's not MSI. Time to open up a new bug for that.

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #35 from Matt <mdinger.bugzilla@gmail.com> ---
Will this filter back to 3.15 or earlier? If so, how quickly? It'd be awesome
if it filtered back before the ubuntu 14.04.2 release. This is on the Mint
Linux release notes below which points to the ubuntu bug listed.

http://www.linuxmint.com/rel_qiana_xfce.php
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1309578

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--- Comment #36 from Alex Deucher <agd5f@yahoo.com> ---
I just sent a patch to the stable trees.

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

Matt <mdinger.bugzilla@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mdinger.bugzilla@gmail.com

--- Comment #37 from Matt <mdinger.bugzilla@gmail.com> ---
(In reply to comment #36)
> I just sent a patch to the stable trees.

Awesome

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #38 from Matt <mdinger.bugzilla@gmail.com> ---
Where do I look to check if the patch has landed yet? I have been scanning git
repos and mailing lists since you stated that but am apparently looking in all
the wrong places. Or does it just take longer than 2 weeks.

This is the only commit I can find anywhere that seems to be related but it's
in 3.16:
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=730a336c33a3398d65896e8ee3ef9f5679fe30a9

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[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

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https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #39 from Alex Deucher <agd5f@yahoo.com> ---
You can check the stable branches here:
http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/
Note that some stable trees are closed so they will not be getting any more
updates.

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--- Comment #40 from Matt <mdinger.bugzilla@gmail.com> ---
Okay. Thanks.

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--- Comment #41 from FVerrac <f0rhum@free.fr> ---
Just my 2 cents:
I have this bug too, on a MSI A88XM-E35 desktop mobo with latest bios 30.3 and
no OC settings. I posted my bisect at
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1355044/ which drives to
...
I will now have to understand what I read here and see what I can decide to
workaround.
Thank you for the job people here.

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