Bug 498345

Summary:	Deleted clipboard contents are still visible in the bottom half of the popup
Product:	[Plasma] plasmashell	Reporter:	Andrea Ippolito <andrea.ippo>
Component:	Clipboard widget & pop-up	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED NOT A BUG
Severity:	normal	CC:	john.kizer, nate, qydwhotmail
Priority:	NOR
Version First Reported In:	6.2.5
Target Milestone:	1.0
Platform:	Other
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	Deleted clipboard contents still visible in popup

Description Andrea Ippolito 2025-01-07 08:04:24 UTC

To use the same configuration I use:

In the clipboard setting, reset to Defaults, then change these two values in the General tab:
- History size: 999 instead of 20
- Non-text selection: Only when explicitly copied instead of Never save in history

Problem:

After I cleared the clipboard today, upon invoking the popup again (Meta+V), I get a UI that's partly showing "Clipboard is empty", and partly showing previous contents (in the bottom half). Refer to screenshot attached. I dunno if it's a graphical caching issue, or some data is actually being retained.

SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20250103
KDE Plasma Version: 6.2.5
KDE Frameworks Version: 6.9.0
Qt Version: 6.8.1
Kernel Version: 6.12.8-5.g4810a19-default (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7840U w/ Radeon 780M Graphics
Memory: 30.7 GiB of RAM
Graphics Processor: AMD Radeon 780M
Manufacturer: Framework
Product Name: Laptop 13 (AMD Ryzen 7040Series)
System Version: A7

Comment 1 Andrea Ippolito 2025-01-07 08:05:30 UTC

Created attachment 177155 [details]
Deleted clipboard contents still visible in popup

Comment 2 John Kizer 2025-01-13 19:37:53 UTC

Hi - for what it's worth, I cannot reproduce this on my device below:

Operating System: Fedora Linux 41
KDE Plasma Version: 6.2.5
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.1
Kernel Version: 6.12.8-200.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7800X3D 8-Core Processor
Memory: 30.4 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 4070 SUPER/PCIe/SSE2

Comment 3 Andrea Ippolito 2025-01-13 19:53:39 UTC

(In reply to John Kizer from comment #2)
> Hi - for what it's worth, I cannot reproduce this on my device below:
> 
> Operating System: Fedora Linux 41
> KDE Plasma Version: 6.2.5
> KDE Frameworks Version: 6.10.0
> Qt Version: 6.8.1
> Kernel Version: 6.12.8-200.fc41.x86_64 (64-bit)
> Graphics Platform: Wayland
> Processors: 16 × AMD Ryzen 7 7800X3D 8-Core Processor
> Memory: 30.4 GiB of RAM
> Graphics Processor: NVIDIA GeForce RTX 4070 SUPER/PCIe/SSE2

I suspect this might be caused by a GPU bug.

Would it be possible for you to test with discrete graphics disabled, since I think we have a similar CPU?

Thanns

Comment 4 John Kizer 2025-01-13 20:27:51 UTC

Hmm, my desktop is NVIDIA-only, but I tried on my AMD+NVIDIA hybrid laptop (using the integrated AMD graphics for the desktop), and couldn't reproduce there either. Do you have any AMD graphics drivers installed on top of the kernel itself, by chance?

Comment 5 Andrea Ippolito 2025-01-14 07:24:32 UTC

(In reply to John Kizer from comment #4)
> Hmm, my desktop is NVIDIA-only, but I tried on my AMD+NVIDIA hybrid laptop
> (using the integrated AMD graphics for the desktop), and couldn't reproduce
> there either. Do you have any AMD graphics drivers installed on top of the
> kernel itself, by chance?

Hi, no extra drivers here, although I'm using a codec repo for opensuse which should add a patched Mesa (so maybe yes, after all? Dunno exactly if that's what Mesa is for).

Anyway, I'm happy to report that I can no longer reproduce this, so I'll close it.

As of today, my system looks like this:

Operating System: openSUSE Tumbleweed 20250112
KDE Plasma Version: 6.2.5
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.1
Kernel Version: 6.12.9-1.g0ae2136-default (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7840U w/ Radeon 780M Graphics
Memory: 30.7 GiB of RAM
Graphics Processor: AMD Radeon 780M
Manufacturer: Framework
Product Name: Laptop 13 (AMD Ryzen 7040Series)
System Version: A7

KDE frameworks went from 6.9.0 to 6.10.0, maybe that might also have played a role.