[Bug 1226330] New: [r600]Garbage on screen after switching VTs from/to Plasma Wayland session
https://bugzilla.suse.com/show_bug.cgi?id=1226330 Bug ID: 1226330 Summary: [r600]Garbage on screen after switching VTs from/to Plasma Wayland session Classification: openSUSE Product: openSUSE Distribution Version: Leap 15.6 Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: KDE Workspace (Plasma) Assignee: opensuse-kde-bugs@opensuse.org Reporter: srid@rkmail.ru QA Contact: qa-bugs@suse.de Target Milestone: --- Found By: --- Blocker: --- When you run a Plasma Wayland session with on an old computer, putting your computer to hibernation, sleep or doing simple VT switch, causes severe picture distortion on computer screen, making it useless. The only solution to it is to kill kwin_wayland and restart session. I don't know if it's compositor's fault or drivers, but X11 session works fine. openSUSE Leap 15.6, Plasma 5.27.11. Hardware is Mobility Radeon HD2600 aka M76/RV630. There is no suspicions messages in kernel or kwin log, pointing to a problem. -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1226330 https://bugzilla.suse.com/show_bug.cgi?id=1226330#c3 Iakov Karpov <srid@rkmail.ru> changed: What |Removed |Added ---------------------------------------------------------------------------- Flags|needinfo?(srid@rkmail.ru) | --- Comment #3 from Iakov Karpov <srid@rkmail.ru> --- (In reply to Takashi Iwai from comment #2)
Could you try the kernel in OBS Kernel:SLE15-SP6 repo? http://download.opensuse.org/repositories/Kernel:/SLE15-SP6/pool/
I tried this kernel, no change in behavior. -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1226330 https://bugzilla.suse.com/show_bug.cgi?id=1226330#c5 --- Comment #5 from Iakov Karpov <srid@rkmail.ru> --- (In reply to Takashi Iwai from comment #4)
OK, then could you try the recent upstream kernel in OBS Kernel:stable:Backport, too?
http://download.opensuse.org/repositories/Kernel:/stable:/Backport/standard/
I tried this and slowroll:Backport kernels, no change, vt switch still breaks wayland session -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1226330 Iakov Karpov <srid@rkmail.ru> changed: What |Removed |Added ---------------------------------------------------------------------------- Flags|needinfo?(srid@rkmail.ru) | -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1226330 https://bugzilla.suse.com/show_bug.cgi?id=1226330#c7 Iakov Karpov <srid@rkmail.ru> changed: What |Removed |Added ---------------------------------------------------------------------------- Flags|needinfo?(srid@rkmail.ru) | --- Comment #7 from Iakov Karpov <srid@rkmail.ru> --- Created attachment 875921 --> https://bugzilla.suse.com/attachment.cgi?id=875921&action=edit dmesg dmesg for linux 6.10.0-rc6 -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1226330 https://bugzilla.suse.com/show_bug.cgi?id=1226330#c8 --- Comment #8 from Iakov Karpov <srid@rkmail.ru> --- Created attachment 875922 --> https://bugzilla.suse.com/attachment.cgi?id=875922&action=edit hwinfo hwinfo for linux 6.10.0-rc6 -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1226330 https://bugzilla.suse.com/show_bug.cgi?id=1226330#c9 --- Comment #9 from Iakov Karpov <srid@rkmail.ru> --- I did a test run with a kernel from Kernel:HEAD repo, no change. I've also tried booting with different options for radeon module, you can see some of them in kernel command line. It seems that they make no difference at all: no additional glitches observed, nor performance or power consumption change. -- You are receiving this mail because: You are on the CC list for the bug.
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