Public bug reported:
[Impact]
Got kernel report CPU pipe A FIFO underrun: soft,transcoder
kernel: i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun:
soft,transcoder,
[Fix]
Defeature the underrun feature for intel display gen13+.
[Test Case]
1. change resolution to 3840x2400
2. monitor works well and doesn't black out.
[Where problems could occur]
low
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: koba (kobako)
Status: In Progress
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Assignee: koba (kobako)
Status: In Progress
** Affects: linux (Ubuntu Jammy)
Importance: Undecided
Assignee: koba (kobako)
Status: In Progress
** Affects: linux-oem-5.14 (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Jammy)
Status: New => In Progress
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => koba (kobako)
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Assignee: (unassigned) => koba (kobako)
** Description changed:
[Impact]
Got kernel report CPU pipe A FIFO underrun: soft,transcoder
kernel: i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun:
soft,transcoder,
[Fix]
- Defeatur the underrun feature for intel display gen13+.
+ Defeature the underrun feature for intel display gen13+.
[Test Case]
1. change resolution to 3840x2400
2. monitor works well and doesn't black out.
[Where problems could occur]
low
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https://bugs.launchpad.net/bugs/1954728
Title:
Fix No Screen after login to Desktop on sku with 3840x2400 panel
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-5.14 package in Ubuntu:
New
Status in linux source package in Focal:
New
Status in linux-oem-5.14 source package in Focal:
In Progress
Status in linux source package in Jammy:
In Progress
Status in linux-oem-5.14 source package in Jammy:
New
Bug description:
[Impact]
Got kernel report CPU pipe A FIFO underrun: soft,transcoder
kernel: i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun:
soft,transcoder,
[Fix]
Defeature the underrun feature for intel display gen13+.
[Test Case]
1. change resolution to 3840x2400
2. monitor works well and doesn't black out.
[Where problems could occur]
low
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1954728/+subscriptions
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