[Bug 103489] [Regression bisected]: vblank time outs and machine hangs on RX560 drm-next-4.15-dc

[Bug 103489] [Regression bisected]: vblank time outs and machine hangs on RX560 drm-next-4.15-dc

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 1244 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=103489

            Bug ID: 103489
           Summary: [Regression bisected]: vblank time outs and machine
                    hangs on RX560 drm-next-4.15-dc
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: oschowa@web.de

Created attachment 135115
  --> https://bugs.freedesktop.org/attachment.cgi?id=135115&action=edit
dmesg

Running the most recent code of agd5f/drm-next-4.15-dc leads to dmesg spam
about vblank time outs (see attachment) and eventual full machine hangs when a
4k screen is connected to my RX560. The maching does not hang if only a 1080p
screen is connected and it was running fine on commit  
d7205d5c0f2b09d900231de9026b97105c37d343.
Bisecting produced d050f8ed14494ea23c6e10b5893010946ef0f78b as the first bad
commit, although on this commit the machine hangs immediatly after boot, so it
might be a different issue.

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 2656 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Bug 103489] [Regression bisected]: vblank time outs and machine hangs on RX560 drm-next-4.15-dc

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 593 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=103489

--- Comment #1 from Michel Dänzer <michel@daenzer.net> ---
(In reply to oschowa from comment #0)
> Bisecting produced d050f8ed14494ea23c6e10b5893010946ef0f78b as the first bad
> commit, although on this commit the machine hangs immediatly after boot, so
> it might be a different issue.

Since you can't test that commit for this problem, you should run

 git bisect skip

for it, not "bad". Does the following commit boot and exhibit the problem?

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 1532 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Bug 103489] [Regression bisected]: vblank time outs and machine hangs on RX560 drm-next-4.15-dc

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 301 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=103489

--- Comment #2 from oschowa@web.de ---
OK, I took another look and the first commit which boots and exhibits the
problem is 8459f633b65a81979b9b233ed0a91a9fdc98b7bd

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 1122 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Bug 103489] [Regression bisected]: vblank time outs and machine hangs on RX560 drm-next-4.15-dc

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 475 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=103489

--- Comment #3 from oschowa@web.de ---
I did a new kernel build with the most recent patches from
agd5f/drm-next-4.15-dc applied and the issue persists. But then I manually
reverted

c196cbe065da drm/amd/display: add dpms state to DC follow up
and
d050f8ed1449 drm/amd/display: add dpms state to DC

and the issue seems to be gone.

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 1296 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[Bug 103489] [Regression bisected]: vblank time outs and machine hangs on RX560 drm-next-4.15-dc

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 505 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=103489

oschowa@web.de changed:

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

--- Comment #4 from oschowa@web.de ---
Fixed by the recent commits in agd5f/drm-fixes-4.15.

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #1.2: Type: text/html, Size: 2047 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel