Unable to run apport-collect 1956396.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1956396
Title:
kernel 5.13.0-23 extremely slow boot on AMD proc/graphics
Status in linux package in Ubuntu:
Confirmed
Bug description:
5.13.0-23 HWE kernel on Linux Mint 20.2 Xfce (Ubuntu 20.04.3)
Had been using the 5.13 HWE kernel for months with no problems.
Today the kernel and linux-firmware updated.
5.13.0-23 kernel now takes about 2 minutes to boot to the login screen.
Normal boot time is 8 seconds.
During that time the pc is frozen with only a _ underline cursor that doesn't
flash.
Can't change terminals with Ctrl+Alt+F1, etc.
Problem does not occur when booting 5.11.0-44 or 5.4.0-92 so I'm pretty sure
the problem is in the kernel and not linux-firmware.
System information (while using 5.11 kernel)
CPU: Topology: Quad Core model: AMD Ryzen 5 3400G with Radeon Vega
Graphics bits: 64 type: MT MCP
arch: Zen+ rev: 1 L2 cache: 2048 KiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3
svm bogomips: 59089
Speed: 1259 MHz min/max: 1400/3700 MHz boost: enabled Core speeds
(MHz): 1: 1258 2: 1258
3: 1258 4: 1258 5: 1257 6: 1260 7: 1267 8: 1330
Graphics: Device-1: AMD Picasso vendor: Hewlett-Packard driver: amdgpu v:
kernel bus ID: 0c:00.0
chip ID: 1002:15d8
Display: x11 server: X.Org 1.20.13 driver: amdgpu resolution:
1920x1080~60Hz
OpenGL:
renderer: AMD Radeon Vega 11 Graphics (RAVEN DRM 3.40.0
5.11.0-44-generic LLVM 12.0.0)
v: 4.6 Mesa 21.0.3 direct render: Yes
Forums threads about it:
https://ubuntuforums.org/showthread.php?t=2470574
https://forums.linuxmint.com/viewtopic.php?f=46&t=364729
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