This bug was fixed in the package linux-oem-6.1 - 6.1.0-1017.17
---------------
linux-oem-6.1 (6.1.0-1017.17) jammy; urgency=medium
* jammy/linux-oem-6.1: 6.1.0-1017.17 -proposed tracker (LP: #2026459)
* Packaging resync (LP: #1786013)
- [Packaging] resync update-dkms-versions helper
* CVE-2023-3269
- exec: Remove FOLL_FORCE for stack setup
- mm: introduce new 'lock_mm_and_find_vma()' page fault helper
- mm: make the page fault mmap locking killable
- arm64/mm: Convert to using lock_mm_and_find_vma()
- powerpc/mm: Convert to using lock_mm_and_find_vma()
- mips/mm: Convert to using lock_mm_and_find_vma()
- riscv/mm: Convert to using lock_mm_and_find_vma()
- arm/mm: Convert to using lock_mm_and_find_vma()
- mm/fault: convert remaining simple cases to lock_mm_and_find_vma()
- powerpc/mm: convert coprocessor fault to lock_mm_and_find_vma()
- mm: make find_extend_vma() fail if write lock not held
- execve: expand new process stack manually ahead of time
- mm: always expand the stack with the mmap write lock held
- [CONFIG]: Set CONFIG_LOCK_MM_AND_FIND_VMA
* CVE-2023-3389
- io_uring/poll: serialize poll linked timer start with poll removal
* amd_pmf: AMD 7840HS cpufreq locked at 400-544MHz after power unplugged
(LP: #2025670)
- platform/x86/amd/pmf: Register notify handler only if SPS is enabled
* Mute/mic LEDs no function on some HP Platforms (LP: #2025444)
- ALSA: hda/realtek: Enable mute/micmute LEDs and limit mic boost on
EliteBook
* Various backlight issues with the 6.0/6.1 kernel (LP: #2023638)
- ACPI: video: Stop trying to use vendor backlight control on laptops from
after ~2012
* HDMI output with More than one child device for port B in VBT error
(LP: #2025195)
- SAUCE: drm/i915/quirks: Add multiple VBT quirk for HP ZBook Power G10
-- You-Sheng Yang <vicamo.y...@canonical.com> Wed, 12 Jul 2023
11:26:03 +0800
** Changed in: linux-oem-6.1 (Ubuntu Jammy)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-3269
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-3389
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https://bugs.launchpad.net/bugs/2025195
Title:
HDMI output with More than one child device for port B in VBT error
Status in HWE Next:
New
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-6.1 package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Won't Fix
Status in linux-oem-6.1 source package in Jammy:
Fix Released
Status in linux source package in Mantic:
In Progress
Status in linux-oem-6.1 source package in Mantic:
Invalid
Bug description:
[Impact]
The HDMI monitor doesn't work, no events while plug/unplug then cable.
[Fix]
From the bug report[1], skip the return workaround the issue, so I created
the DMI quirk to list affected platforms.
Intel is submitting patches[2][3] to fix the issue, but it requires to
backport huge drm structure changes, too. As there is no regression
found with this workaround, it's safer to use the DMI quirk to handle
this issue.
1. https://gitlab.freedesktop.org/drm/intel/-/issues/7709
2. https://patchwork.freedesktop.org/series/117641/
3. https://patchwork.freedesktop.org/series/114200/
[Test]
Verified by me, FE, and ODM.
[Where problems could occur]
I have no idea what might happen, so only make the workaround avaiable on the
listed platforms. So far, no regressions have been observed with plug/unplug,
switch modes, reboot, and suspend tests.
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