[Bug 106291] New: amdgpu fails GPU reset when resuming from suspend

[Bug 106291] New: amdgpu fails GPU reset when resuming from suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=106291

            Bug ID: 106291
           Summary: amdgpu fails GPU reset when resuming from suspend
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.2.3
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: universaledge97@gmail.com
        Regression: No

Created attachment 190561
  --> https://bugzilla.kernel.org/attachment.cgi?id=190561&action=edit
output of "dmesg | grep amdgpu"

Rarely, when resuming from suspend, amdgpu will fail to reset the GPU, causing
X.org to crash. This does have any particular cause I can identify. Any variety
of programs could be open when this error occurs. Attached is a log of the
output of "dmesg | grep amdgpu", although I have the full ouput from dmesg if
needed.

Running XFX R9 285 Tonga

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[Bug 106291] amdgpu fails GPU reset when resuming from suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=106291

--- Comment #1 from Michel Dänzer <michel@daenzer.net> ---
Please attach the full dmesg output.

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[Bug 106291] amdgpu fails GPU reset when resuming from suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=106291

universaledge97@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #190561|0                           |1
        is obsolete|                            |

--- Comment #2 from universaledge97@gmail.com ---
Created attachment 190631
  --> https://bugzilla.kernel.org/attachment.cgi?id=190631&action=edit
output of dmesg

here is the full dmesg log

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[Bug 106291] amdgpu fails GPU reset when resuming from suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=106291

--- Comment #3 from Michel Dänzer <michel@daenzer.net> ---
Does this still happen with a 4.3(-rc) kernel?

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[Bug 106291] amdgpu fails GPU reset when resuming from suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=106291

--- Comment #4 from universaledge97@gmail.com ---
Created attachment 191041
  --> https://bugzilla.kernel.org/attachment.cgi?id=191041&action=edit
dmesg from failed 4.3rc6 resume

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[Bug 106291] amdgpu fails GPU reset when resuming from suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=106291

--- Comment #5 from universaledge97@gmail.com ---
Created attachment 191051
  --> https://bugzilla.kernel.org/attachment.cgi?id=191051&action=edit
dmesg from successful 4.2.3 resume

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[Bug 106291] amdgpu fails GPU reset when resuming from suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=106291

--- Comment #6 from universaledge97@gmail.com ---
Sorry for the delay; not much time to debug when in college.

I am having an issue with suspend on 4.3rc6, but instead of amdgpu failing to
reset, I simply experience an uninteractive black screen on resume everytime.
Not sure if the two issues are in any way related. Accessing the machine
through SSH, I was able to grab dmesg output when it happened.

For comparison, I also grabbed dmesg from a successful 4.2.3 suspend-resume.

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[Bug 106291] amdgpu fails GPU reset when resuming from suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=106291

--- Comment #7 from Michel Dänzer <michel@daenzer.net> ---
The log from 4.3-rc6 doesn't show any trace of the amdgpu driver. Did you
accidentally disable it when compiling that kernel?

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[Bug 106291] amdgpu fails GPU reset when resuming from suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=106291

--- Comment #8 from universaledge97@gmail.com ---
It turned out that the amdgpu kernel module was not included in compilation. I
normally use the linux-mainline package from the AUR (I run Arch Linux) to
install rc kernels, where, for some reason, the amdgpu module was not enabled
to compile by default. I now have amdgpu built into 4.3rc7, and will report
back if the issue is still present.

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[Bug 106291] amdgpu fails GPU reset when resuming from suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=106291

--- Comment #9 from universaledge97@gmail.com ---
Created attachment 192801
  --> https://bugzilla.kernel.org/attachment.cgi?id=192801&action=edit
dmesg 4.3.0 - Xorg hang

I ended up having to reinstall Arch Linux after my gpg directory was corrupted
when the system auto-suspended in the middle of a package upgrade.

Running Linux 4.3.0 from Arch Linux testing repo: I'm not getting the GPU reset
bug anymore; rather Xorg just randomly hangs indefinitely after waking from
suspend, resulting in an uninteractive black screen. Curiously, there's no Xorg
crash log. The dmesg log provides a call trace from before the hang.

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[Bug 106291] amdgpu fails GPU reset when resuming from suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=106291

universaledge97@gmail.com changed:

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

--- Comment #10 from universaledge97@gmail.com ---
Running 4.5.1 stable, no trace of the former problem. I guess it was resolved
at some point.

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