Public bug reported:
linux-image-5.4.0-33-generic Works OK
linux-image-5.4.0-37-generic Freezes when leaving idle for some time.
Ubuntu 20.04LTS 64 bits. Fully updated.
Hardware:
AMD Ryzen 7 1800X
32GB RAM (two sticks: Part number KHX2666C16/16G)
Asus PRIME A320M-K - latest BIOS installed
AMD Radeon R9 390X 8GB
NVMe SSD 512GB (I don't recall the brand)
Tried AMDGPU and RADEON drivers for the video card. The issue persists.
I was not able to find any logs nor kernel panics on the usual log
files. Booting the older kernel makes the machine work perfectly stable
as before.
Most of the time I come back to a black screen. Other times is partially
dimmed, like when entering into power save mode, when the screensaver
kicks in to shut down the monitor.
Disabling power management did not fix the issue. I will try disabling
the ability to shut down the monitor.
** Affects: linux-signed (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd hangs power
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https://bugs.launchpad.net/bugs/1883472
Title:
linux-image-5.4.0-37-generic freezes on idle. linux-
image-5.4.0-33-generic works fine.
Status in linux-signed package in Ubuntu:
New
Bug description:
linux-image-5.4.0-33-generic Works OK
linux-image-5.4.0-37-generic Freezes when leaving idle for some time.
Ubuntu 20.04LTS 64 bits. Fully updated.
Hardware:
AMD Ryzen 7 1800X
32GB RAM (two sticks: Part number KHX2666C16/16G)
Asus PRIME A320M-K - latest BIOS installed
AMD Radeon R9 390X 8GB
NVMe SSD 512GB (I don't recall the brand)
Tried AMDGPU and RADEON drivers for the video card. The issue
persists.
I was not able to find any logs nor kernel panics on the usual log
files. Booting the older kernel makes the machine work perfectly
stable as before.
Most of the time I come back to a black screen. Other times is
partially dimmed, like when entering into power save mode, when the
screensaver kicks in to shut down the monitor.
Disabling power management did not fix the issue. I will try disabling
the ability to shut down the monitor.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1883472/+subscriptions
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