Public bug reported:
[Impact]
i915 error can sometimes be found in kernel message when booting the machine w/
power unplugged
kernel: i915 0000:00:02.0: [drm] *ERROR* GT1: GuC initialization failed -EIO
kernel: i915 0000:00:02.0: [drm] *ERROR* GT1: Enabling uc failed (-5)
kernel: i915 0000:00:02.0: [drm] *ERROR* GT1: Failed to initialize GPU,
declaring it wedged!
The GPU won't work with this failure
[Fix]
Backport the upatream fix for allowing slow HuC loading.
[Test]
1. Unplug the power of the laptop and make sure it's charged by battery
2. Cold boot or Warm boot the machine and check the GuC init fail message.
3. Go to settings - > about --> graphics to make sure the GPU information is
correct every boot.
[Where problems could occur]
Simply increase the loading time of HuC still get a working system. Should be
low risk of regression.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-6.5 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Affects: linux-oem (Ubuntu Jammy)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-6.5 (Ubuntu Jammy)
Importance: Undecided
Status: In Progress
** Affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Affects: linux-oem (Ubuntu Noble)
Importance: Undecided
Status: New
** Affects: linux-oem-6.5 (Ubuntu Noble)
Importance: Undecided
Status: New
** Tags: oem-priority originate-from-2051627 stella
** Also affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux-oem (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-oem (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux-oem (Ubuntu Jammy)
Status: New => In Progress
** Also affects: linux-oem-6.5 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-oem (Ubuntu Jammy)
Status: In Progress => Invalid
** Changed in: linux-oem-6.5 (Ubuntu Jammy)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/2061049
Title:
Fix random HuC/GuC initialization failure of Intel i915 driver
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