Fix REG_WAIT timeout for Yellow Carp

Bug #1971417 reported by koba
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
HWE Next
Fix Released
Undecided
Unassigned
linux (Ubuntu)
Invalid
Undecided
Unassigned
Focal
Won't Fix
Medium
Unassigned
Jammy
Fix Released
Medium
koba
linux-oem-5.14 (Ubuntu)
Invalid
Undecided
Unassigned
Focal
Fix Released
Undecided
koba
Jammy
Invalid
Undecided
Unassigned

Bug Description

[Impact]
During hotplug built-in hdmi, the error message show up.
#REG_WAIT timeout for yellow Carp

[Fix]
This tends to take miliseconds in certain scenarios and we'd rather not
wait that long. Due to how this interacts with det size update and
locking waiting should not be necessary as compbuf updates before
unlock.

Add a watch for config error instead as that is something we actually do
care about.

[Test Case]
1. Plug and unplug hdmi
2. cant get the error message in dmesg.

[Where problems could occur]
Low

CVE References

Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1971417

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
koba (kobako)
tags: added: amd oem-priority originate-from-1970872
koba (kobako)
Changed in linux (Ubuntu Jammy):
assignee: nobody → koba (kobako)
Changed in linux (Ubuntu Kinetic):
assignee: nobody → koba (kobako)
Changed in linux-oem-5.14 (Ubuntu Focal):
assignee: nobody → koba (kobako)
status: New → In Progress
Changed in linux (Ubuntu Jammy):
status: New → In Progress
Changed in linux (Ubuntu Kinetic):
status: Incomplete → In Progress
summary: - Fix REG_WAIT timeout for Yellow Carb
+ Fix REG_WAIT timeout for Yellow Carp
description: updated
koba (kobako)
no longer affects: linux (Ubuntu Kinetic)
Stefan Bader (smb)
Changed in linux (Ubuntu Focal):
importance: Undecided → Medium
status: New → In Progress
Changed in linux (Ubuntu Jammy):
importance: Undecided → Medium
Changed in linux-oem-5.14 (Ubuntu Jammy):
status: New → Invalid
Changed in linux-oem-5.14 (Ubuntu Kinetic):
status: New → Invalid
koba (kobako)
Changed in linux (Ubuntu):
status: In Progress → Invalid
assignee: koba (kobako) → nobody
no longer affects: linux-oem-5.14 (Ubuntu Kinetic)
Stefan Bader (smb)
Changed in linux (Ubuntu Focal):
status: In Progress → Won't Fix
Timo Aaltonen (tjaalton)
Changed in linux-oem-5.14 (Ubuntu Focal):
status: In Progress → Fix Committed
Changed in linux (Ubuntu Jammy):
status: In Progress → Fix Committed
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the linux-oem-5.14/5.14.0-1040.44 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: verification-needed-focal
Revision history for this message
Andy Chi (andch) wrote :

Install 5.14.0-1040.44 kernel on 202203-30071 and plug HDMI into DUT, kernel does not pop out error message.

tags: added: verification-done-focal
removed: verification-needed-focal
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the linux/5.15.0-36.37 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy' to 'verification-done-jammy'. If the problem still exists, change the tag 'verification-needed-jammy' to 'verification-failed-jammy'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: verification-needed-jammy
koba (kobako)
tags: added: verification-done-jammy
removed: verification-needed-jammy
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux-oem-5.14 - 5.14.0-1042.47

---------------
linux-oem-5.14 (5.14.0-1042.47) focal; urgency=medium

  * CVE-2022-1972
    - netfilter: nf_tables: sanitize nft_set_desc_concat_parse()

  * CVE-2022-1966
    - netfilter: nf_tables: disallow non-stateful expression in sets earlier

 -- Thadeu Lima de Souza Cascardo <email address hidden> Fri, 03 Jun 2022 15:00:01 -0300

Changed in linux-oem-5.14 (Ubuntu Focal):
status: Fix Committed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :
Download full text (5.0 KiB)

This bug was fixed in the package linux - 5.15.0-40.43

---------------
linux (5.15.0-40.43) jammy; urgency=medium

  * jammy/linux: 5.15.0-40.43 -proposed tracker (LP: #1978610)

  * Packaging resync (LP: #1786013)
    - debian/dkms-versions -- update from kernel-versions (main/2022.05.30)

  * [SRU][OEM-5.14/OEM-5.17/J][PATCH 0/2] Fix system hangs after s2idle on AMD
    A+A GPU (LP: #1975804)
    - Revert "drm/amd/pm: keep the BACO feature enabled for suspend"
    - drm/amd: Don't reset dGPUs if the system is going to s2idle

  * [SRU][OEM-5.14/OEM-5.17/J][PATCH 0/1] Read the discovery registers for
    AMD_SFH (LP: #1975798)
    - HID: amd_sfh: Add support for sensor discovery

  * [UBUNTU 20.04] CPU-MF: add extended counter set definitions for new IBM z16
    (LP: #1974433)
    - s390/cpumf: add new extended counter set for IBM z16

  * [UBUNTU 20.04] KVM nesting support leaks too much memory, might result in
    stalls during cleanup (LP: #1974017)
    - KVM: s390: vsie/gmap: reduce gmap_rmap overhead

  * [UBUNTU 20.04] Null Pointer issue in nfs code running Ubuntu on IBM Z
    (LP: #1968096)
    - NFS: Fix up nfs_ctx_key_to_expire()

  * Fix REG_WAIT timeout for Yellow Carp (LP: #1971417)
    - drm/amd/display: Clear encoder assignments when state cleared.
    - drm/amd/display: fix stale info in link encoder assignment
    - drm/amd/display: Query all entries in assignment table during updates.
    - drm/amd/display: Initialise encoder assignment when initialising dc_state

  * Enable hotspot feature for Realtek 8821CE (LP: #1969326)
    - rtw88: Add update beacon flow for AP mode
    - rtw88: 8821c: Enable TX report for management frames
    - rtw88: do PHY calibration while starting AP
    - rtw88: 8821c: fix debugfs rssi value
    - rtw88: add ieee80211:sta_rc_update ops

  * prevent kernel panic with overlayfs + shiftfs (LP: #1973620)
    - SAUCE: overlayfs: prevent dereferencing struct file in ovl_vm_prfile_set()

  * disable Intel DMA remapping by default (LP: #1971699)
    - Revert "UBUNTU: [Config] enable Intel DMA remapping options by default"

  * Mute/mic LEDs no function on Elitebook 630 (LP: #1974111)
    - ALSA: hda/realtek: fix right sounds and mute/micmute LEDs for HP machine

  * [Regression] Real-time Kernel Build Failure (LP: #1972899)
    - x86/mm: Include spinlock_t definition in pgtable.

  * build backport-iwlwifi-dkms as linux-modules-iwlwifi-ABI (LP: #1969434)
    - [Packaging] support standalone dkms module builds
    - [Packaging] drop do_<mod> arch specific configs

  * IPU6 camera has no function on Andrews MLK (LP: #1964983)
    - SAUCE: IPU6: 2022-03-11 alpha release for Andrews MLK
    - [Config] IPU6: enable OV02C10 sensor
    - SAUCE: IPU6: 2022-04-01 Andrews MLK PV release
    - SAUCE: spi: ljca: return when a sub-transaction first failed
    - SACUE: ljca: disable parallelly stub write
    - SAUCE: ljca: fix race condition issue in runtime PM
    - SAUCE: i2c-ljca: fix a null pointer access issue on tgl
    - SAUCE: ljca: fix a typo issue
    - SAUCE: ljca: assume stub enum failed as a warning
    - SAUCE: mei: cleanup header file including
    - SAUCE: intel_ulpss: Replaced by LJCA and remove
    ...

Read more...

Changed in linux (Ubuntu Jammy):
status: Fix Committed → Fix Released
Timo Aaltonen (tjaalton)
Changed in hwe-next:
status: New → Fix Released
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