Public bug reported:
The 20.04 LTS linux-firmware package list was cut before the
amdgpu/navi12* firmware files were upstreamed to the Linux kernel
repository, which is unfortunate because this hardware is older than
some other included firmware (navi14*), and the firmware is required for
using th
This is working well! Amazon EC2 instances with AMD graphics are able to
initialize properly now, after installing the latest "linux-firmware"
and "linux-modules-extra-aws" packages from proposed.
ubuntu@ip-172-31-38-36:~$ sudo dmesg | grep "Initialized amdgpu"
[4.908132] [drm] Initialized am
My apologies for not including the specific version in my comment - I
tested linux-firmware package 1.187.27 from the focal proposed
repository.
ubuntu@ip-172-31-38-36:~$ apt list | grep linux-firmware/
linux-firmware/focal-proposed,now 1.187.27 all [installed]
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Sorry I am late to the party on confirming the fix, was traveling.
Confirming that everything is working properly with the latest jammy-
proposed kernel.
tested package: linux-image-5.15.0-1021-aws 5.15.0-1021.25
ubuntu@ip-172-31-31-116:~$ sudo dmesg | grep 5.15.60
[0.00] Linux version 5
Public bug reported:
The kernel 5.15 amdgpu module crashes on load with a “BUG: kernel NULL
pointer dereference” on Amazon EC2 G4ad hardware (custom AMD Radeon V520
Pro datacenter GPU) on focal (HWE) and jammy with kernel 5.15.0-1011 and
possibly earlier, up through latest (revision 1015.19). This
This crash occurs after also firing several warnings with backtraces -
[ 318.108644] WARNING: CPU: 6 PID: 13667 at
drivers/gpu/drm/drm_crtc_helper.c:221
drm_helper_disable_unused_functions+0x32/0x50 [drm_kms_helper]
[ 318.109727] WARNING: CPU: 6 PID: 13667 at
drivers/gpu/drm/drm_crtc_helper.c:101
Suspect that
https://github.com/torvalds/linux/commit/6a6c2ab687c8eabaec4a55a4f13eb5ee68181403
might fix this.
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https://bugs.launchpad.net/bugs/1981883
Title:
** Package changed: linux-meta-aws-5.15 (Ubuntu) => linux-aws-5.15
(Ubuntu)
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Title:
amdgpu module crash after 5.15 kernel u
Alexander Deucher at AMD came up with a quick fix for the 5.15 branch,
which I was able to test and verify - amdgpu_fb.c, line 344:
-if (!amdgpu_device_has_dc_support(adev) && !amdgpu_virtual_display)
+if (!amdgpu_device_has_dc_support(adev) && !amdgpu_virtual_display &&
!amdgpu_s
Patch now posted upstream for linux stable kernel 5.15
https://lore.kernel.org/stable/20220719185659.2068735-1-alexander.deuc...@amd.com/T/#u
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