* [Bug 105833] RX Vega 56 hangs immediately after start gdm
@ 2018-03-31 13:36 bugzilla-daemon
2019-11-19 8:34 ` bugzilla-daemon
0 siblings, 1 reply; 2+ messages in thread
From: bugzilla-daemon @ 2018-03-31 13:36 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=105833
Bug ID: 105833
Summary: RX Vega 56 hangs immediately after start gdm
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: mikhail.v.gavrilov@gmail.com
Created attachment 138461
--> https://bugs.freedesktop.org/attachment.cgi?id=138461&action=edit
dmesg
RX Vega 56 hangs immediately after start gdm
kernel: 4.16.0-rc7-git7b225300c716
mesa: 18.1.0-0.11.git6179a87
llvm: 7.0.0-0.1.r326462
Demonstration: https://youtu.be/uvsg36d9tZk
[ 23.005522] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout,
last signaled seq=1, last emitted seq=5
[ 23.005645] [drm] GPU recovery disabled.
[ 82.427656] sysrq: SysRq : Show Blocked State
[ 82.427950] task PC stack pid father
[ 121.856551] sysrq: SysRq : Show Blocked State
[ 121.856576] task PC stack pid father
[ 257.886375] sysrq: SysRq : Show Blocked State
[ 257.886399] task PC stack pid father
This is very similar to previous bugs:
[1] https://bugs.freedesktop.org/show_bug.cgi?id=105317
[2] https://bugs.freedesktop.org/show_bug.cgi?id=104001
but not needed make any action for hung occurs. It happens immediately after
start graphic mode in Linux.
1. install Fedora 27.
https://download.fedoraproject.org/pub/fedora/linux/releases/27/Workstation/x86_64/iso/Fedora-Workstation-Live-x86_64-27-1.6.iso
2. install latest MESA and LLVM
https://copr.fedorainfracloud.org/coprs/che/mesa/
3. build and install staging kernel with latest amdgpu driver
$ git clone git://people.freedesktop.org/~agd5f/linux --branch
drm-next-4.17-wip
$ cd linux
$ make clean && make bzImage && make modules
# make modules_install && make install
Reproducing issue:
1. Try to boot computer with the newly builded kernel.
Symptoms:
1. The system stop to respod.
2. All the LEDs on the video card showing the load start to glow.
3. The turbine on the video card starts to make a lot of noise.
In dmesg appears follow lines:
[drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, last signaled
seq=1, last emitted seq=5
[drm] GPU recovery disabled.
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