I downloaded the archive and yeah this looks like a total mistake. It's
applying firmware from DCN 3.2 to a DCN 4.0.1 product. Of course it's
not going to work.
20240318.git3b128b60-0ubuntu3.4 (noble):
╰─❯ ls -l lib/firmware/amdgpu/dcn_4_0_1_dmcub.bin.zst
lrwxrwxrwx 1 mlimonci amdadministrator 23 Oct 19 06:08
lib/firmware/amdgpu/dcn_4_0_1_dmcub.bin.zst -> dcn_3_2_0_dmcub.bin.zst
╰─❯ md5sum lib/firmware/amdgpu/dcn_4_0_1_dmcub.bin.zst
a44b3236e04184a52a196e4820449a70 lib/firmware/amdgpu/dcn_4_0_1_dmcub.bin.zst
╰─❯ ~/src/linux-firmware/contrib/get_amdgpu_fw_version.py
lib/firmware/amdgpu/dcn_4_0_1_dmcub.bin.zst
dcn_4_0_1_dmcub.bin.zst: DMCUB FW
ip_major = 3 (0x3)
ip_minor = 2 (0x2)
ucode_version = 117452544 (0x7002f00)
ucode_bytes = 284176 (0x45610)
crc32 = 3593716526 (0xd633c32e)
--------------------------------
Detailed uCode version:
major = 7 (0x7)
minor = 0 (0x0)
revision = 47 (0x2f)
is_test = 0 (0x0)
is_vbios = 0 (0x0)
hotfix = 0 (0x0)
20260319.git217ca6e4-0ubuntu3.1 (resolute)
╰─❯ ls -l usr/lib/firmware/amdgpu/dcn_4_0_1_dmcub.bin.zst
-rw-r--r-- 1 mlimonci amdadministrator 225382 Jun 25 07:48
usr/lib/firmware/amdgpu/dcn_4_0_1_dmcub.bin.zst
╰─❯ md5sum usr/lib/firmware/amdgpu/dcn_4_0_1_dmcub.bin.zst
31af58256582f5d2d10ac4acc9b169a2
usr/lib/firmware/amdgpu/dcn_4_0_1_dmcub.bin.zst
╰─❯ ~/src/linux-firmware/contrib/get_amdgpu_fw_version.py
usr/lib/firmware/amdgpu/dcn_4_0_1_dmcub.bin.zst
dcn_4_0_1_dmcub.bin.zst: DMCUB FW
ip_major = 4 (0x4)
ip_minor = 0 (0x0)
ucode_version = 167774208 (0xa000800)
ucode_bytes = 367648 (0x59c20)
crc32 = 500525086 (0x1dd5681e)
--------------------------------
Detailed uCode version:
major = 10 (0xa)
minor = 0 (0x0)
revision = 8 (0x8)
is_test = 0 (0x0)
is_vbios = 0 (0x0)
hotfix = 0 (0x0)
** Changed in: linux-firmware-amd-graphics (Ubuntu Noble)
Importance: High => Critical
** Changed in: linux-firmware-amd-graphics (Ubuntu Noble)
Assignee: (unassigned) => Juerg Haefliger (juergh)
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https://bugs.launchpad.net/bugs/2173041
Title:
black screen after upgrading linux-firmware-amd-graphics to 0ubuntu3.4
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