Public bug reported:
[Impact]
On AMD Krackan platform, it sometimes can't boot up successfully with blank
screen.
From the log captured by pstore, the amdgpu failed to probe and timed out after
around 68 seconds.
<3>[ 41.375166] amdgpu 0000:65:00.0: amdgpu: failed to write reg 1a874 wait
reg 1a886
<3>[ 53.351332] amdgpu 0000:65:00.0: amdgpu: failed to write reg 2920 wait
reg 2932
<3>[ 65.351028] amdgpu 0000:65:00.0: amdgpu: failed to write reg 1a874 wait
reg 1a886
<3>[ 77.355752] amdgpu 0000:65:00.0: amdgpu: failed to write reg 2920 wait
reg 2932
<3>[ 89.361497] amdgpu 0000:65:00.0: amdgpu: failed to write reg 1a874 wait
reg 1a886
<3>[ 101.367445] amdgpu 0000:65:00.0: amdgpu: failed to write reg 2920 wait
reg 2932
<3>[ 113.373440] amdgpu 0000:65:00.0: amdgpu: failed to write reg 1a874 wait
reg 1a886
<3>[ 125.379438] amdgpu 0000:65:00.0: amdgpu: failed to write reg 2920 wait
reg 2932
<3>[ 137.385433] amdgpu 0000:65:00.0: amdgpu: failed to write reg 1a874 wait
reg 1a886
<3>[ 149.391434] amdgpu 0000:65:00.0: amdgpu: failed to write reg 2920 wait
reg 2932
<3>[ 161.397438] amdgpu 0000:65:00.0: amdgpu: failed to write reg 1a874 wait
reg 1a886
<3>[ 173.403436] amdgpu 0000:65:00.0: amdgpu: failed to write reg 2920 wait
reg 2932
<3>[ 185.409421] amdgpu 0000:65:00.0: amdgpu: failed to write reg 1a874 wait
reg 1a886
<3>[ 197.415437] amdgpu 0000:65:00.0: amdgpu: failed to write reg 2920 wait
reg 2932
<3>[ 209.421437] amdgpu 0000:65:00.0: amdgpu: failed to write reg 1a874 wait
reg 1a886
<7>[ 689.674671] probe of 0000:65:00.0 returned 110 after 683466368 usecs
[Fix]
update the gc 11.5.2 firmware fixes the issue
674f8b1d amdgpu: update GC 11.5.2 firmware
0fde9638 amdgpu: update gc 11.5.2 firmware
1e6f0edc amdgpu: update gc 11.5.2 firmware
5eac1029 amdgpu: update gc 11.5.2 firmware
929c0891 amdgpu: update gc 11.5.2 firmware
cc7d01ee amdgpu: update gc 11.5.2 firmware
f532df3c amdgpu: update GC 11.5.2 firmware
[Test]
Run cold boot test on AMD Krackan point platform for around 30 times, it should
always boot into desktop without any issues.
[Where problems could occur]
gc 11.5.2 firmware is for Krackan point, so it might affect all Krackan point
systems.
** Affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-firmware (Ubuntu Noble)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Affects: linux-firmware (Ubuntu Plucky)
Importance: Undecided
Status: New
** Affects: linux-firmware (Ubuntu Questing)
Importance: Undecided
Status: New
** Also affects: linux-firmware (Ubuntu Plucky)
Importance: Undecided
Status: New
** Also affects: linux-firmware (Ubuntu Questing)
Importance: Undecided
Status: New
** Also affects: linux-firmware (Ubuntu Noble)
Importance: Undecided
Status: New
** Changed in: linux-firmware (Ubuntu Noble)
Status: New => In Progress
** Changed in: linux-firmware (Ubuntu Noble)
Assignee: (unassigned) => AceLan Kao (acelankao)
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https://bugs.launchpad.net/bugs/2121207
Title:
AMD Krackan point system hang at black screen while booting up
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