[Powerdevil] [Bug 496850] Display gives black screen (no signal) after monitor powered off then on again

2024-12-10 Thread Rock Bollinger
https://bugs.kde.org/show_bug.cgi?id=496850

--- Comment #3 from Rock Bollinger  ---
This issue seems to be fixed in Fedora 41, with nVidia driver 565.57.01.
Sleep/Resume now functions correctly, and it's fast!

Operating System: Fedora Linux 41
KDE Plasma Version: 6.2.4
KDE Frameworks Version: 6.8.0
Qt Version: 6.8.0
Kernel Version: 6.11.10-300.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 20 × Intel® Core™ i5-14600KF
Memory: 31.2 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 4070 Ti SUPER/PCIe/SSE2
Manufacturer: Gigabyte Technology Co., Ltd.
Product Name: Z790 D DDR4
nVidia Driver: 565.57.01

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[Powerdevil] [Bug 496850] Display gives black screen (no signal) after monitor powered off then on again

2024-12-07 Thread Rock Bollinger
https://bugs.kde.org/show_bug.cgi?id=496850

--- Comment #2 from Rock Bollinger  ---
Thanks John.

I've confirmed it's an nVidia driver issue. Switching to the nouveau driver
fixes the problem - sleeping and resuming from sleep function correctly, the
display comes back on as expected.

Hopefully nVidia fix this soon. The nouveau driver is limited to 60Hz, doesn't
have HDR and generally just doesn't look as clear.

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[Powerdevil] [Bug 496850] Display gives black screen (no signal) after monitor powered off then on again

2024-12-05 Thread John Kizer
https://bugs.kde.org/show_bug.cgi?id=496850

John Kizer  changed:

   What|Removed |Added

 Status|REPORTED|RESOLVED
 CC||john.ki...@proton.me
 Resolution|--- |DUPLICATE

--- Comment #1 from John Kizer  ---
Hi - thanks for your bug report! Unfortunately this appears to be an upstream
Nvidia driver issue. Please see bullet point 4 of the "Known Issues And
Workarounds" section linked here:
https://download.nvidia.com/XFree86/Linux-x86_64/565.77/README/dynamicpowermanagement.html#KnownIssuesAndW6426e

(This particular link is to the most recent version, but the same content has
appeared since at least version 545)

The individual who identified the documentation from Nvidia about this issue
also mentioned that on their system, it couldn't be reproduced on Wayland, so
that may be a workaround option for you as well:
https://bugs.kde.org/show_bug.cgi?id=466705#c2

The Nvidia forum might possibly provide some more assistance - a link to a
recent post on this topic is here:
https://forums.developer.nvidia.com/t/black-screen-after-pc-wakes-up-from-suspend/304023

Thanks,

*** This bug has been marked as a duplicate of bug 466705 ***

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