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* [Bug 205069] New: Black screen when starting graphical environment
@ 2019-10-01 20:53 bugzilla-daemon
  2019-10-01 20:54 ` [Bug 205069] " bugzilla-daemon
                   ` (6 more replies)
  0 siblings, 7 replies; 8+ messages in thread
From: bugzilla-daemon @ 2019-10-01 20:53 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=205069

            Bug ID: 205069
           Summary: Black screen when starting graphical environment
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.3.1, 5.4.0-rc1, latest
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: freddyreimer@comcast.net
        Regression: No

Created attachment 285285
  --> https://bugzilla.kernel.org/attachment.cgi?id=285285&action=edit
kernel .config 5.4.0-rc1

Hello there

On kernels 5.3.1 and 5.4.0-rc1, I get a black screen with a white underscore
cursor in the upper left. The display gets stuck in this state, with no way to
switch to a different TTY or leave this aside from hitting the reset button.
I can secure-shell into the box and get a login at this time, but killing the
process does not fix the display. Sway WM also does this, with it just getting
stuck at the prompt entry.

I have an AMD RX 5700 graphics card, using the amdgpu driver. When I do some
manual configuration by blacklisting amdgpu and writing a stanza in xorg conf
for vesa, I am able to get X running using vesa.

uname -a output: Linux gentoo 5.4.0-rc1 #1 SMP Tue Oct 1 14:24:57 EDT 2019
x86_64 AMD Ryzen 5 3600 6-Core Processor AuthenticAMD GNU/Linux

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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 205069] Black screen when starting graphical environment
  2019-10-01 20:53 [Bug 205069] New: Black screen when starting graphical environment bugzilla-daemon
@ 2019-10-01 20:54 ` bugzilla-daemon
  2019-10-01 20:54 ` bugzilla-daemon
                   ` (5 subsequent siblings)
  6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2019-10-01 20:54 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=205069

--- Comment #1 from freddyreimer@comcast.net ---
Created attachment 285287
  --> https://bugzilla.kernel.org/attachment.cgi?id=285287&action=edit
dmesg

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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 205069] Black screen when starting graphical environment
  2019-10-01 20:53 [Bug 205069] New: Black screen when starting graphical environment bugzilla-daemon
  2019-10-01 20:54 ` [Bug 205069] " bugzilla-daemon
@ 2019-10-01 20:54 ` bugzilla-daemon
  2019-10-01 20:54 ` bugzilla-daemon
                   ` (4 subsequent siblings)
  6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2019-10-01 20:54 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=205069

--- Comment #2 from freddyreimer@comcast.net ---
Created attachment 285289
  --> https://bugzilla.kernel.org/attachment.cgi?id=285289&action=edit
lsmod

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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 205069] Black screen when starting graphical environment
  2019-10-01 20:53 [Bug 205069] New: Black screen when starting graphical environment bugzilla-daemon
  2019-10-01 20:54 ` [Bug 205069] " bugzilla-daemon
  2019-10-01 20:54 ` bugzilla-daemon
@ 2019-10-01 20:54 ` bugzilla-daemon
  2019-10-01 20:55 ` bugzilla-daemon
                   ` (3 subsequent siblings)
  6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2019-10-01 20:54 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=205069

--- Comment #3 from freddyreimer@comcast.net ---
Created attachment 285291
  --> https://bugzilla.kernel.org/attachment.cgi?id=285291&action=edit
lspci -vv

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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 205069] Black screen when starting graphical environment
  2019-10-01 20:53 [Bug 205069] New: Black screen when starting graphical environment bugzilla-daemon
                   ` (2 preceding siblings ...)
  2019-10-01 20:54 ` bugzilla-daemon
@ 2019-10-01 20:55 ` bugzilla-daemon
  2019-10-01 21:03 ` bugzilla-daemon
                   ` (2 subsequent siblings)
  6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2019-10-01 20:55 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=205069

--- Comment #4 from freddyreimer@comcast.net ---
Created attachment 285293
  --> https://bugzilla.kernel.org/attachment.cgi?id=285293&action=edit
Xorg log from amdgpu freeze startx

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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 205069] Black screen when starting graphical environment
  2019-10-01 20:53 [Bug 205069] New: Black screen when starting graphical environment bugzilla-daemon
                   ` (3 preceding siblings ...)
  2019-10-01 20:55 ` bugzilla-daemon
@ 2019-10-01 21:03 ` bugzilla-daemon
  2019-10-02  8:54 ` bugzilla-daemon
  2019-10-02 23:10 ` bugzilla-daemon
  6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2019-10-01 21:03 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=205069

--- Comment #5 from freddyreimer@comcast.net ---
I've seen another report on a similar issue, where the suggestion (solution?)
was to be using a newer mesa and llvm. I am on llvm 9 and mesa 19.2.0


*  media-libs/mesa
      Latest version available: 19.2.0
      Latest version installed: 19.2.0_rc4

*  sys-devel/llvm
      Latest version available: 9.0.0
      Latest version installed: 9.0.0

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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 205069] Black screen when starting graphical environment
  2019-10-01 20:53 [Bug 205069] New: Black screen when starting graphical environment bugzilla-daemon
                   ` (4 preceding siblings ...)
  2019-10-01 21:03 ` bugzilla-daemon
@ 2019-10-02  8:54 ` bugzilla-daemon
  2019-10-02 23:10 ` bugzilla-daemon
  6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2019-10-02  8:54 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=205069

--- Comment #6 from Michel Dänzer (michel@daenzer.net) ---
Was Mesa built against LLVM 9, not an older version?

It looks like the problem occurs when the Xorg driver tries loading glamor, so
a Mesa/LLVM issue is most likely.

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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 205069] Black screen when starting graphical environment
  2019-10-01 20:53 [Bug 205069] New: Black screen when starting graphical environment bugzilla-daemon
                   ` (5 preceding siblings ...)
  2019-10-02  8:54 ` bugzilla-daemon
@ 2019-10-02 23:10 ` bugzilla-daemon
  6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2019-10-02 23:10 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=205069

freddyreimer@comcast.net changed:

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

--- Comment #7 from freddyreimer@comcast.net ---
Gotcha. I did not know until very recently that the graphics output for this
kernel navi driver required a specific set of userland libraries to exist. I
recompiled mesa and also got onto a new version of llvm-common for good
measure.

This worked! Thank you for your help! I am able to launch Xorg on AMDGPU
driver, without resorting to vesa, and can also run Sway wm. No display
freezing or anything like that. I'll set this as resolved.

Reminder for future reference if someone comes across this with the same issue.
You need at minimum LLVM 9 and Mesa 19.2.0. The LLVM has to be installed first.

Thank you again.

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