I upgraded to ubuntu24.04,
and it worked with 6.8.0-31 but not with 6.8.0.35.
The ppap (https://kernel.ubuntu.com/mainline/) kernel
works with both 6.8 and 6.8.12.
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Public bug reported:
The pt3_drv driver, which worked fine with kernel 6.8.0-40, stopped
working after updating to kernel 6.8.0-45.
The same driver works fine with proxmox-kernel-6.8.12-1-pve-signed on
Proxmox (debian).
The driver is the one on github below.
https://github.com/m-tsudo/pt3.git
T
** Description changed:
- After updating the kernel from 5.14.0-1005 to 5.14.0-1007 on ubuntu20.04, if
you unload the driver with the following command, the command will be forcibly
terminated and the driver cannot be unloaded.
- Can be unloaded with 5.14.0-1005 without any problem
+
ubuntu20.0
As far as the patches in other files are concerned, it should have been
as follows.
--
--- /usr/local/src/5.14.0.git/focal/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
2021-11-29 22:43:48.637432730 +
+++ uvd_v6_0.c 2021-11-30 06:54:01.57
Confirmed that unloading works fine with PPA mainline kernel 5.14.21 and
5.15.5.
Confirmed that unloading works without any problem when driver / gpu /
drm / amd of 5.14.0-1006 is imported to 1007.
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The AMGPU patch captured in 5.14.0-1007 was added to uvd_v6_0_hw_fini.
but in 5.16-rc3 it is the code added to uvd_v6_0_suspend, so the backport
location may be wrong.
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If you replace driver / gpu / drm / amd / with the source of
5.14.0-1005, it can be unloaded normally.
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https://bugs.launchpad.net/bugs/1952568
Title:
AMD GPU kern
kernel 5.14.0-1007
# lsmod|grep amdgpu
-
amdgpu 7049216 4
iommu_v2 24576 1 amdgpu
gpu_sched 36864 1 amdgpu
drm_ttm_helper 16384 1 amdgpu
ttm73728 2 amdgpu,drm_ttm_helper
drm_kms_helper258048 1 amdgpu
drm
kenrl 5.14.0-1005
# lsmod|grep amdgpu
-
amdgpu 7049216 4
iommu_v2 24576 1 amdgpu
gpu_sched 36864 1 amdgpu
drm_ttm_helper 16384 1 amdgpu
ttm73728 2 amdgpu,drm_ttm_helper
drm_kms_helper258048 1 amdgpu
drm
# systemctl stop display-manager.service
# killall lxqt-panel
# echo 0 > /sys/class/vtconsole/vtcon1/bind
# modprobe -s -r amdgpu
Killed
syslog
-
tail -f /var/log/syslog
Nov 29 14:06:16 yoshi-kvm01 systemd[4521]: Listening on D-Bus User Message Bus
Socket.
Nov 29 14:06:16 yoshi-kvm01 systemd
Public bug reported:
After updating the kernel from 5.14.0-1005 to 5.14.0-1007 on ubuntu20.04, if
you unload the driver with the following command, the command will be forcibly
terminated and the driver cannot be unloaded.
Can be unloaded with 5.14.0-1005 without any problem
sudo modprob -s -r
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