[Bug 110574] System hang after screen power saving
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed May 1 18:56:49 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=110574
Bug ID: 110574
Summary: System hang after screen power saving
Product: DRI
Version: XOrg git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: dri-devel at lists.freedesktop.org
Reporter: number048 at gmail.com
Created attachment 144122
--> https://bugs.freedesktop.org/attachment.cgi?id=144122&action=edit
dmesg
After updating to Xubuntu 19.04 I started having problems with the screen saver
feature. After a request for the monitor to go into power saving mode I am
unable to recover the system. When the monitor turns on again I get the last
image shown but I cannot move the cursor, nothing on the screen is moving,
everything is frozen and I cannot use ssh to access the machine.
Later I discovered that I could access the computer using ssh before I let the
monitor enter power saving mode and I was then able to save a copy of dmesg.
As soon as the monitor is turned off by the system the crash happens:
[ 2674.166451] general protection fault: 0000 [#1] SMP NOPTI
...
[ 2674.166530] RIP: 0010:dce110_vblank_set+0x4f/0xa0 [amdgpu]
with the last 5 entries of the call trace:
[ 2674.166624] dal_irq_service_set+0x4c/0x90 [amdgpu]
[ 2674.166687] dc_interrupt_set+0x24/0x30 [amdgpu]
[ 2674.166753] dm_enable_vblank+0x2a/0x40 [amdgpu]
[ 2674.166768] drm_vblank_enable+0xe2/0x130 [drm]
[ 2674.166781] drm_vblank_get+0x92/0xb0 [drm]
I was using the Oibaf PPA both before and after I updated to Xubuntu 19.04.
I tried to use the kernel v5.1-rc7 from the Ubuntu mainline:
https://kernel.ubuntu.com/~kernel-ppa/mainline/
My linux command line:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash radeon.cik_support=0
amdgpu.cik_support=1 amdgpu.dc=1"
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