[Bug 67107] New: Xorg starts and crashes with DPM enable

[Bug 67107] New: Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

          Priority: medium
            Bug ID: 67107
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Xorg starts and crashes with DPM enable
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: c.chmielewski@outlook.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

I have an a10-4600m processor that has a 7660G on die and I also have a 7670m
discrete card, the latest linux-next kernel still causes my xorg to start then
pause and go black when radeon.dpm=1 is passed. The computer then become
totally unresponsive, the kernel works fine when the argument is not passed
though.

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> ---
Does it work if you disable the dGPU before loading the radeon module?  Might
be a duplicate of bug 66932.  Please make sure your kernel has the patches
mentioned in that bug.

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #2 from Christopher Chmielewski <c.chmielewski@outlook.com> ---
I'm not quite sure how to disable my discrete gpu before the radeon module is
loaded but I did disable it before I ran startx and that didn't help. I also
tried radeon.aspm=0 and that didn't help either. About the patches I am unsure
how to test that I have them but I am running linux-next from the 19th so I'm
pretty certain I do.

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #3 from Christopher Chmielewski <c.chmielewski@outlook.com> ---
I just tried with rc3 and it still happens.

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #4 from Christopher Chmielewski <c.chmielewski@outlook.com> ---
I'm on rc7 and while X doesn't just crash on start after a few minutes my
entire computer locks up.

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #5 from Alex Deucher <agd5f@yahoo.com> ---
you might try one of these trees:
http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.12-wip-gcc-fixes
or
http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.12-wip

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #6 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #4)
> I'm on rc7 and while X doesn't just crash on start after a few minutes my
> entire computer locks up.

Can you attach your dmesg output and xorg log?

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #7 from Christopher Chmielewski <c.chmielewski@outlook.com> ---
Created attachment 84753
  --> https://bugs.freedesktop.org/attachment.cgi?id=84753&action=edit
dmesg

Like I said it freezes up my computer so I had to restart in single user mode
so there might be some extra stuff at the bottom.

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #8 from Christopher Chmielewski <c.chmielewski@outlook.com> ---
Created attachment 84754
  --> https://bugs.freedesktop.org/attachment.cgi?id=84754&action=edit
xorg log

Both the dmesg and xorg log are from rc7

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #9 from Christopher Chmielewski <c.chmielewski@outlook.com> ---
This still happens with 3.12-rc1, X still starts and runs for about a minute
and then the whole computer freezes and there is no way to recover.

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #10 from Alex Deucher <agd5f@yahoo.com> ---
Make sure your kernel has this patch:
http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-fixes-3.12&id=ef4e03658420bbf91365647615460668c2510e79

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

Christopher Chmielewski <c.chmielewski@outlook.com> changed:

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

--- Comment #11 from Christopher Chmielewski <c.chmielewski@outlook.com> ---
Thanks that patch did the trick!

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #12 from Adam Honse <calcprogrammer1@gmail.com> ---
I'm using the Ubuntu kernel PPA's 3.12-rc2 kernel which according to the
changelog has this patch but am still having the problem.  My laptop is
A10-4600M with 7730M discrete GPU.  If I disable gdm and X, I can boot up, log
in to a text mode terminal and do text mode things just fine and dmesg shows
that dpm is enabled for both GPU's, but trying to start X crashes the entire
machine instantly.  This happens when my laptop is plugged in and fully
charged, haven't tested it unplugged and on battery.

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #13 from Adam Honse <calcprogrammer1@gmail.com> ---
To follow up with my previous comment, I tried disabling the discrete GPU.  In
my case I disable it AFTER the radeon module is loaded (because doing it the
other way around causes errors that lag the machine to an unusable state).  The
machine has no means of disabling it in the BIOS so I use the acpi_call kernel
module with the turn_off_gpu script from here:
https://github.com/mkottman/acpi_call/

What I did was start the laptop with dpm=1 and gdm set to not start
automatically so I'd boot to a text console.  Radeon module loads at boot and
KMS sets the console to the appropriate resolution.  Then I insmod the
acpi_call.ko and run the turn-off-gpu script which turns off the discrete GPU. 
Then I started gdm, logged in, and ran glxgears to confirm that the integrated
GPU was working (ran fine) and looked at Xorg.0.log to confirm radeon.dpm=1 (it
did).  This was on battery power, haven't tested plugged in.  I'm downloading
Open Arena now to see if gaming performance is improved.  Using xrandr
--listproviders confirms that only one GPU is active and available which is the
integrated one.

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

Adam Honse <calcprogrammer1@gmail.com> changed:

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

--- Comment #14 from Adam Honse <calcprogrammer1@gmail.com> ---
I'm marking this as reopened.  Still having the problem with kernel 3.12-rc4
which has that patch.  Starting the machine with radeon.dpm=1 works fine until
I start Xorg (sudo start gdm on Ubuntu), then it blank screens and hangs
completely within seconds.  I cannot reliably shut off the dGPU before loading
the Radeon module and trying to shut the dGPU off after loading Radeon but
before starting Xorg results in the turn_off_gpu script hanging at the ACPI
call that is supposed to work for my card when radeon.dpm=1.

One thing I've noticed from reading the bugs related to this is everyone seems
to be using VLIW + VLIW systems.  Mine is VLIW + GCN (r600 + radeonsi) as the
7730M (AMD VERDE) is GCN while the integrated 7660G (AMD ARUBA) is VLIW.  I'm
not sure if this has any effect on the bug or not, but I figured it's worth
mentioning.

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #15 from Alex Deucher <agd5f@yahoo.com> ---
Does this branch work any better?
http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.13-wip
please also try cherry-picking this commit as well:
http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-fixes-3.12&id=4076a65544e2de310cbf4eaadb13ee15bbfaaf4f

Also, does vgaswitcheroo not work for you?  Why are you manually messing around
with acpi methods?

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #16 from Adam Honse <calcprogrammer1@gmail.com> ---
VGA switcheroo doesn't show up for me.  I've been using kernels from Ubuntu's
kernel ppa (daily and -rc builds) but I'll try building my own from your tree
and see if that fixes it.

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

--- Comment #17 from Adam Honse <calcprogrammer1@gmail.com> ---
That kernel worked for getting Xorg to not crash, and GNOME 3.10 is working
smoothly.  Now my problem is that with radeon.dpm=1 set, GNOME running, if I
try to play Team Fortress 2 it crashes right as it should transition into the
3D game mode (after the loading screen when connecting to a server).  The menus
and animated character models in the backpack screen work fine.  It is a full
crash to desktop and also crashes Xorg at the same time to the point I can't
switch VT's.  ONLY happens with DPM enabled though, with DPM disabled using
that kernel build TF2 plays fine (albeit at 17fps).  I'll test some other games
like OpenArena.

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[Bug 67107] Xorg starts and crashes with DPM enable

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https://bugs.freedesktop.org/show_bug.cgi?id=67107

Adam Honse <calcprogrammer1@gmail.com> changed:

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

--- Comment #18 from Adam Honse <calcprogrammer1@gmail.com> ---
Ok, that was a problem with my xserver-xorg-video-radeon installation. 
Everything seems to be working fine with that kernel and patch now!  Marking as
resolved - fixed.

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