[Bug 109539] System freezing

[Bug 109539] System freezing

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=109539

            Bug ID: 109539
           Summary: System freezing
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: jon780@gmail.com

Created attachment 143282
  --> https://bugs.freedesktop.org/attachment.cgi?id=143282&action=edit
journalctl

Fedora 29
kernel 4.20.5 (compiled to try something newer than in the fedora repos)
Ryzen 1700X
MSI B350 Tomawhawk (Arctic)
Three Dell U2415 monitors (one dvi, one hdmi, one displayport).

Freezing when waking from sleep, usually withing just a few seconds.  Example
journactl attached.  When it freezes, the mouse can still move, but no other
input.  Cannot click, cannot switch to virtual terminals, cannot send REISUB,
cannot toggle off numlock (light frozen).  Only thing that fixes it is a reboot
of the computer.

Setting amdgpu.dc=0 appears to resolve the issue!  Went from freezing when
waking from sleep several times a day to >24 hours of uptime so far.

Also, when DC is enabled, displayport monitor will not wake from sleep.  The
only want I can get it to wake is xrandr --off and then --auto on the
DisplayPort.  I also want to mention that the displayport name changes every
time it sleeps and wakes (DisplayPort-1, DisplayPort-2, DisplayPort-3) even
though nothing is really being moved to a different port.

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[Bug 109539] System freezing

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https://bugs.freedesktop.org/show_bug.cgi?id=109539

Michel Dänzer <michel@daenzer.net> changed:

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[Bug 109539] System freezing

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https://bugs.freedesktop.org/show_bug.cgi?id=109539

--- Comment #1 from Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> ---
The freezing doesn't seem to be necessarily caused by by something in amdgpu
from a glance at your log.

There are some DC warnings/errors that describe what you're seeing with your
monitor not waking from sleep however.

Please post a full dmesg log from system boot and an xorg log if you're using
X. It may also help to know what window manager you're using when you see this
issue occur.

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[Bug 109539] System freezing

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https://bugs.freedesktop.org/show_bug.cgi?id=109539

--- Comment #2 from Alex Deucher <alexdeucher@gmail.com> ---
Does adding idle=nomwait to the kernel command line in grub help?

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[Bug 109539] System freezing

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https://bugs.freedesktop.org/show_bug.cgi?id=109539

--- Comment #3 from jon <jon780@gmail.com> ---
>The freezing doesn't seem to be necessarily caused by by something in amdgpu >from a glance at your log.

I thought the same thing, but after disabling direct code I went from the
system freezing up to 5 or 6 times a day, depending on use, every day to having
an uptime over 2 days and 4 hours now.  So there's no question that disabling
direct code solved the problem.  It is night and day after that change.

>There are some DC warnings/errors that describe what you're seeing with your monitor not waking from sleep however.
>
>Please post a full dmesg log from system boot and an xorg log if you're using X. >It may also help to know what window manager you're using when you see this >issue occur.

I am using X and my window manager is dwm.  I will attach an Xorg log as well
as dmesg.  Keep in mind these will be the most recent logs with direct code
disabled, which may not matter, just wanted to be clear.  

>Does adding idle=nomwait to the kernel command line in grub help?

No, according to my notes I added idle=nomwait on 1/31/19 and experienced many
freezes per day since then.  I also used the following kernel boot parameters,
which had no affect:

rcu_nocbs=0-15
processor.max_cstate=5

All three of these, along with disabling direct code, are still in my kernel
boot parameters.  None of those had any affect, frequent crashes still.  After
disabling direct code and restarting I have not had one freeze yet.  Stability
went from a couple of hours (usually long enough for me to be away from it long
enough to sleep) to an uptime of >2 days.

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[Bug 109539] System freezing

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https://bugs.freedesktop.org/show_bug.cgi?id=109539

--- Comment #4 from jon <jon780@gmail.com> ---
Created attachment 143290
  --> https://bugs.freedesktop.org/attachment.cgi?id=143290&action=edit
dmesg output

dmesg output (direct code disabled)

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[Bug 109539] System freezing

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https://bugs.freedesktop.org/show_bug.cgi?id=109539

--- Comment #5 from jon <jon780@gmail.com> ---
Created attachment 143291
  --> https://bugs.freedesktop.org/attachment.cgi?id=143291&action=edit
Xorg.0.log

xorg log from ~/.local/

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[Bug 109539] System freezing

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https://bugs.freedesktop.org/show_bug.cgi?id=109539

--- Comment #6 from Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> ---
Do you still see the issue occur when amdgpu.dc=1 if you disable DP1.2 support
in your monitor's OSD?

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[Bug 109539] System freezing

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https://bugs.freedesktop.org/show_bug.cgi?id=109539

--- Comment #7 from jon <jon780@gmail.com> ---
>Do you still see the issue occur when amdgpu.dc=1 if you disable DP1.2 
>support in your monitor's OSD?

I will let you know.  After 7+ days of uptime without a single crash with
amdgpu.dc=0 I updated from kernel 4.20.5 to 4.20.7, set amdgpu.dc=1 and
disabled displayport 1.2 on the monitor using displayport.  I will report back.

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[Bug 109539] System freezing

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https://bugs.freedesktop.org/show_bug.cgi?id=109539

--- Comment #8 from jon <jon780@gmail.com> ---
I think disabling displayport and leaving direct code enabled is stable as
well.  Up to 1 day and 11 hours of uptime.

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[Bug 109539] System freezing

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https://bugs.freedesktop.org/show_bug.cgi?id=109539

--- Comment #9 from jon <jon780@gmail.com> ---
Sorry, to clarify, I disabled displayport 1.2.

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[Bug 109539] System freezing

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https://bugs.freedesktop.org/show_bug.cgi?id=109539

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

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

--- Comment #10 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/690.

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