[Bug 91707] Hibernation doesn't work with AMD Radeon R7 265

[Bug 91707] Hibernation doesn't work with AMD Radeon R7 265

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=91707

            Bug ID: 91707
           Summary: Hibernation doesn't work with AMD Radeon R7 265
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: rogutes+freedesktop@gmail.com

Created attachment 117828
  --> https://bugs.freedesktop.org/attachment.cgi?id=117828&action=edit
dmesg output

Hibernation works perfectly when using the integrated Intel GPU, but
it only works once when using the discrete AMD Radeon R7 265.

I am testing different GPUs by changing the primary GPU in BIOS.

When trying to hibernate for the second time, I see one of 2 outcomes:
1. Display powers off, but the system stays on and stops responding to
   ICMP pings and sysrq; after reset the system boots afresh and fsck
   is run.
2. System powers off, but doesn't resume on next boot: boots afresh and
   fsck is run.

More observations:
* Suspend to RAM works every time.
* Hibernation works every time as long as X has not been started.
* I am running Arch Linux, swap is on an SSD and not encrypted. I usually start
hibernation with `systemctl hibernate`, but writing to /sys/power/state has the
same effect.

I have no idea how to debug this issue, but would be happy to do it with your
help.

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[Bug 91707] Hibernation doesn't work with AMD Radeon R7 265

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=91707

Martin Peres <martin.peres@free.fr> changed:

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

--- Comment #1 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/637.

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