[Bug 1140777] New: Plasma shell freezes and/or stops rendering elements

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9 Jul 2019 9 Jul '19

00:00

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 Bug ID: 1140777 Summary: Plasma shell freezes and/or stops rendering elements Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: x86-64 OS: openSUSE Factory Status: NEW Severity: Major Priority: P5 - None Component: KDE Workspace (Plasma) Assignee: opensuse-kde-bugs@opensuse.org Reporter: sb56637@gmail.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- Hi, I started experiencing this major bug in one of the recent Plasma/KDE/KF5 updates for openSUSE Tumbleweed within the past week. Very frequently (within an hour or less) I notice that the Plama panel clock stops updating, and the App Menu and Calendar popups stop rendering (just the outline), and notification popups show black with a copy of the panel underneath. When I restart `plasmashell` it fixes it for a while, but later starts glitching again. This is on a Thinkpad T530 laptop with integrated Intel graphics, running the X modesetting drivers. I also tried switching to the Xorg Intel driver, but it still behaves the same. I tried switching the KWin compositor from X11 rendering to openGL, but it made no difference. -- You are receiving this mail because: You are on the CC list for the bug.

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bugzilla_noreply＠novell.com

9 Jul 9 Jul

00:00

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c1 --- Comment #1 from S. B. --- Created attachment 809739 --> http://bugzilla.opensuse.org/attachment.cgi?id=809739&action=edit Opening the popup calendar widget -- You are receiving this mail because: You are on the CC list for the bug.

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00:01

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c2 --- Comment #2 from S. B. --- Created attachment 809740 --> http://bugzilla.opensuse.org/attachment.cgi?id=809740&action=edit A popup notification (Firefox browser in background) -- You are receiving this mail because: You are on the CC list for the bug.

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06:03

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c3 Wolfgang Bauer changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |wbauer@tmo.at --- Comment #3 from Wolfgang Bauer --- (In reply to S. B. from comment #0)

...

Hi, I started experiencing this major bug in one of the recent Plasma/KDE/KF5 updates for openSUSE Tumbleweed within the past week. Hm, can you narrow that down a bit maybe?

There haven't been any relevant Plasma/KDE/KF5 updates last week. Plasma 5.12.2 was published on Fri, Jun 28th already. Qt has been upgraded to 5.13 on Sun 30th (which of course *might* be the reason). But, there was a kernel update as well. Have you tried to boot the previous kernel? It might be a problem/regression in the intel kernel driver. And there was a Mesa update too (to 19.1.0 and 19.1.1). Btw, kwin's compositing settings are (likely) irrelevant here. The desktop and notifications are rendered using QML/QtQuick, which always uses OpenGL. You can switch to software rendering in "kcmshell5 qtquicksettings", maybe that would help as a workaround at least. Also, it's not really clear from your description, but does the desktop freeze completely, or is it "just" a rendering problem? Do applications continue to work? -- You are receiving this mail because: You are on the CC list for the bug.

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06:07

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c4 --- Comment #4 from Wolfgang Bauer --- PS, in case it is indeed related to the Plasma update, a guess would be that it's caused by this: https://cgit.kde.org/kwin.git/commit/?id=0124b1ef191fcafe0d0f89287be66b36833... (the previous NVidia patch already caused problems on intel/hybrid systems so we reverted it, this is supposed to fix it but needs a change to Qt as well) I'll prepare a package without it for you to test. -- You are receiving this mail because: You are on the CC list for the bug.

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06:38

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c5 --- Comment #5 from Wolfgang Bauer --- (In reply to Wolfgang Bauer from comment #4)

...

I'll prepare a package without it for you to test. Please try kwin5 from here: https://download.opensuse.org/repositories/home:/wolfi323:/test/openSUSE_Tum...

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bugzilla_noreply＠novell.com

13:41

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c6 --- Comment #6 from S. B. --- Hi Wolfgang, thanks a lot for the reply. (In reply to Wolfgang Bauer from comment #3)

...

Hm, can you narrow that down a bit maybe?

There haven't been any relevant Plasma/KDE/KF5 updates last week. Plasma 5.12.2 was published on Fri, Jun 28th already.

Qt has been upgraded to 5.13 on Sun 30th (which of course *might* be the reason).

Ah, yes, I should have mentioned that I sometimes let a few weeks go by without updating. I see in my YaST Packages history that there were a ton of libKF5* updates to 5.59.0 on 27 June. But I'm pretty sure that's NOT the issue, because I just started hitting this bug yesterday or maybe the day before at the earliest. I got the Qt 5.13 upgrade on 3 July, and on Friday 6 July I had trouble when I used VirtualBox for the first time after the upgrade due to a major confirmed Qt 5.13 bug. I also see 2019-07-03 11:13:48|install|kwin5|5.16.2-1.2 Then on 4 July I see some Mesa updates and also a lot of plasma5-* at 5.16.2-1.1 and also plasma-framework 5.59.0. So I'm not sure why I started hitting this issue yesterday. I somehow suspect it has something to do with system load, especially RAM situations, since yesterday was the first day after the major updates that I was running my Windows VM in VirtualBox. I use zRAM and sometimes hit the memory pretty hard. It seemed to be after high RAM usage situations, even after freeing up plenty of RAM, that this glitch started happening. But I'm not 100% certain.

...

But, there was a kernel update as well. Have you tried to boot the previous kernel?

Ah, you're right. I'll give that a try later. Thanks.

...

It might be a problem/regression in the intel kernel driver.

But remember that I usually use X modesetting. I did try installing the Intel driver after running into this bug yesterday, which made no difference.

...

Btw, kwin's compositing settings are (likely) irrelevant here. The desktop and notifications are rendered using QML/QtQuick, which always uses OpenGL. You can switch to software rendering in "kcmshell5 qtquicksettings", maybe that would help as a workaround at least.

Wow, first time for me seeing that one! :-)

...

Also, it's not really clear from your description, but does the desktop freeze completely, or is it "just" a rendering problem? Do applications continue to work?

It's not a complete system freeze. It mainly seems to be the panel and notifications. Applications continue to work, as does Alt+Tab switching. But clicking on running applications in the panel does nothing. Also files on my ~/Desktop do not update after adding or removing them when this bug appears. Also Krunner does continue to work, which lets me kill and restart plasmashell.

...

Please try kwin5 from here: https://download.opensuse.org/repositories/home:/wolfi323:/test/openSUSE_Tum...

Great, that's what I'll test throughout my workday today, no other changes. Still kernel 5.1.15-1-default and X modesetting driver. Oh, and do you need a `hwinfo` dump from me? Thanks for the help! -- You are receiving this mail because: You are on the CC list for the bug.

bugzilla_noreply＠novell.com

19:41

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c7 --- Comment #7 from S. B. --- OK, with the updated kwin5-5.16.2-4.1.x86_64.rpm, X modesetting driver, and kernel 5.1.15-1-default, I just got hit with this bug again. This time I checked dmesg, and I found this: --------------------------------- [Tue Jul 9 14:03:12 2019] i915 0000:00:02.0: GPU HANG: ecode 7:1:0xfffffffe, in kwin_x11 [1478], hang on rcs0 [Tue Jul 9 14:03:12 2019] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [Tue Jul 9 14:03:12 2019] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [Tue Jul 9 14:03:12 2019] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [Tue Jul 9 14:03:12 2019] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [Tue Jul 9 14:03:12 2019] [drm] GPU crash dump saved to /sys/class/drm/card0/error [Tue Jul 9 14:03:12 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:05:26 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:07:00 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:16:54 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:24:56 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:26:44 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:28:00 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:28:08 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:29:10 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:32:40 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:32:48 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:32:56 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:34:44 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:36:06 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 [Tue Jul 9 14:36:24 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0 -- You are receiving this mail because: You are on the CC list for the bug.

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19:42

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c8 --- Comment #8 from S. B. --- Created attachment 809897 --> http://bugzilla.opensuse.org/attachment.cgi?id=809897&action=edit `/sys/class/drm/card0/error`, definitely something going wrong in kwin_x11 -- You are receiving this mail because: You are on the CC list for the bug.

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20:04

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c9 --- Comment #9 from Wolfgang Bauer --- (In reply to S. B. from comment #7)

...

[Tue Jul 9 14:03:12 2019] i915 0000:00:02.0: GPU HANG: ecode 7:1:0xfffffffe, in kwin_x11 [1478], hang on rcs0 [Tue Jul 9 14:03:12 2019] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [Tue Jul 9 14:03:12 2019] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [Tue Jul 9 14:03:12 2019] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [Tue Jul 9 14:03:12 2019] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [Tue Jul 9 14:03:12 2019] [drm] GPU crash dump saved to /sys/class/drm/card0/error [Tue Jul 9 14:03:12 2019] i915 0000:00:02.0: Resetting chip for hang on rcs0

This comes from the kernel module (which is the same whether you use modesetting or intel), re-assigning. The message suggests to file a bug report upstream though, as you can see. As I suggested already, I'd try to boot the previous kernel to see if it helps. -- You are receiving this mail because: You are on the CC list for the bug.

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20:04

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

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20:24

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c10 Takashi Iwai changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |sb56637@gmail.com, | |tiwai@suse.com Flags| |needinfo?(sb56637@gmail.com | |) --- Comment #10 from Takashi Iwai --- The kernel already moved to 5.2, so please check whether the problem still appears with 5.2 kernel. You can find the latest one in OBS Kernel:stable repo. -- You are receiving this mail because: You are on the CC list for the bug.

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20:30

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c11 --- Comment #11 from S. B. --- Thanks @Wolfgang Bauer for the guidance, and also thanks to @Takashi for the fast reply. For now I'm running kernel 5.1.7-1-default (with /opensuse/history/20190628/tumbleweed/repo/oss/x86_64/virtualbox-host-kmp-default-6.0.8_k5.1.7_1-2.1.x86_64.rpm) because I need VirtualBox for my work. I'll report back here if this old kernel or the next TW stable kernel makes any difference. -- You are receiving this mail because: You are on the CC list for the bug.

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10 Jul 10 Jul

13:42

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c12 --- Comment #12 from S. B. --- Well, no more problems since downgrading to kernel 5.1.7, although I didn't flog it as hard. I can't tell from the dmesg suggestion to file a freedesktop.org bug report on the GPU hang-- do they want a report from every user that experiences it, or are we supposed to search for preexisting reports first? Because this appears to be my issue (although I'm not sure why I'm only running into it now with 5.1.15): https://bugs.freedesktop.org/show_bug.cgi?id=111014 -- You are receiving this mail because: You are on the CC list for the bug.

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14:11

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c14 --- Comment #14 from S. B. --- (In reply to Takashi Iwai from comment #13)

...

In doubt, better to report even if you are not sure whether there have been already the same one. Often it's a different issue in subtle manner, and the upstream devs would resolve as duplicate if it's really so.

Got it: https://bugs.freedesktop.org/show_bug.cgi?id=111100 (Nice binary bug id number!) -- You are receiving this mail because: You are on the CC list for the bug.

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12 Jul 12 Jul

15:31

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c15 --- Comment #15 from S. B. --- I just ran into this bug again, but unfortunately it's even more confusing now. I'm currently booted into the 5.1.7-1 kernel, and there is absolutely nothing from today in `dmesg`. Rather, it mentioned several times: "i915 0000:00:02.0: Resetting chip for hang on rcs0" from *yesterday*, but I definitely didn't have any trouble with Plasma/Kwin yesterday. I'm beginning to suspect that this is a zRAM swap bug, like it's corrupting data somewhere in the memory compression/decompression/swap process. This bug definitely seems to appear only when I get into the zRAM swap. Sorry I can't test any unreleased kernels for TW, since I need VirtualBox for my work and at any rate this bug only appears to happen when I hit the RAM really hard with VirtualBox + other X11 apps. -- You are receiving this mail because: You are on the CC list for the bug.

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15 Jul 15 Jul

22:43

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c16 --- Comment #16 from S. B. --- I tried disabling zRAM and just using a regular swap file. It didn't make any difference, and it kept glitching on me really bad throughout the workday. So I just found a repository with VirtualBox KMP packages that apparently syncs with the latest Kernel Stable repository: - https://download.opensuse.org/repositories/Kernel:/stable:/KMP/standard - https://download.opensuse.org/repositories/Kernel:/stable/standard/ So I'm now booted into that, and we'll see how it behaves throughout the workday tomorrow. -- You are receiving this mail because: You are on the CC list for the bug.

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16 Jul 16 Jul

23:07

New subject: [Bug 1140777] Plasma shell freezes and/or stops rendering elements

http://bugzilla.opensuse.org/show_bug.cgi?id=1140777 http://bugzilla.opensuse.org/show_bug.cgi?id=1140777#c17 S. B. changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |UPSTREAM Flags|needinfo?(sb56637@gmail.com | |) | --- Comment #17 from S. B. --- OK, after a day of hard work with kernel 5.2.1-2 I haven't had a single problem with Plasma. So I think I can say with confidence that this problem is fixed. Thanks to everyone for their help. -- You are receiving this mail because: You are on the CC list for the bug.

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[Bug 1140777] New: Plasma shell freezes and/or stops rendering elements

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