This bug is awaiting verification that the linux-xilinx-
zynqmp/5.15.0-1029.33 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-linux-xilinx-zynqmp'
to
This bug is awaiting verification that the linux-nvidia-tegra-
igx/5.15.0-1010.10 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-linux-nvidia-tegra-
igx' to
This bug is awaiting verification that the linux-nvidia-
tegra-5.15/5.15.0-1023.23~20.04.1 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-linux-
nvidia-tegra-5.15' to
This bug is awaiting verification that the linux-nvidia-
tegra/5.15.0-1023.23 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-linux-nvidia-tegra' to
This bug is awaiting verification that the linux-
nvidia-6.5/6.5.0-1014.14 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-linux-nvidia-6.5' to
This bug is awaiting verification that the linux-gcp-
fips/5.15.0-1055.63+fips2 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-linux-gcp-fips' to
This bug is awaiting verification that the linux-aws-
fips/5.15.0-1056.61+fips1 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-linux-aws-fips' to
This bug is awaiting verification that the linux-aws/5.15.0-1056.61
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-linux-aws' to 'verification-done-jammy-
linux-aws'. If the
This bug is awaiting verification that the linux-raspi/5.15.0-1048.51
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-linux-raspi' to 'verification-done-jammy-
linux-raspi'. If
This bug is awaiting verification that the linux-kvm/5.15.0-1052.57
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-linux-kvm' to 'verification-done-jammy-
linux-kvm'. If the
This bug is awaiting verification that the linux-intel-
iotg/5.15.0-1050.56 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-linux-intel-iotg' to
This bug is awaiting verification that the linux-oracle/5.15.0-1053.59
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-linux-oracle' to 'verification-done-
jammy-linux-oracle'.
This bug was fixed in the package linux - 5.15.0-100.110
---
linux (5.15.0-100.110) jammy; urgency=medium
* jammy/linux: 5.15.0-100.110 -proposed tracker (LP: #2052616)
* i915 regression introduced with 5.5 kernel (LP: #2044131)
- drm/i915: Skip some timing checks on BXT/GLK
This bug was fixed in the package linux-hwe-5.15 -
5.15.0-100.110~20.04.1
---
linux-hwe-5.15 (5.15.0-100.110~20.04.1) focal; urgency=medium
* focal/linux-hwe-5.15: 5.15.0-100.110~20.04.1 -proposed tracker
(LP: #2052087)
[ Ubuntu: 5.15.0-100.110 ]
* jammy/linux:
This bug is awaiting verification that the linux-azure/6.5.0-1016.16
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-mantic-linux-azure' to 'verification-done-
mantic-linux-azure'. If
This bug is awaiting verification that the linux-
hwe-6.5/6.5.0-25.25~22.04.1 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-linux-
hwe-6.5' to
This bug is awaiting verification that the linux-aws/6.5.0-1015.15
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-mantic-linux-aws' to 'verification-done-mantic-
linux-aws'. If the
I am gonna mark this as verified. If you find an issue later, please
submit another bug.
** Tags removed: verification-needed-jammy-linux
verification-needed-jammy-linux-ibm-gt-fips verification-needed-mantic-linux
** Tags added: verification-done-jammy-linux
This bug is awaiting verification that the linux-ibm-gt-
fips/5.15.0-1055.58+fips1 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-linux-ibm-gt-fips' to
This bug is awaiting verification that the linux/6.5.0-25.25 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-mantic-linux' to 'verification-done-mantic-linux'.
If the problem still
This bug is awaiting verification that the linux/5.15.0-100.110 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-linux' to 'verification-done-jammy-linux'. If
the problem still
MAntic is fixed with
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2051584
** Changed in: linux (Ubuntu Jammy)
Status: In Progress => Fix Committed
** Changed in: linux (Ubuntu Mantic)
Status: Triaged => Fix Committed
--
You received this bug notification because you are a
Fix was upstream v6.7-rc5.
** Changed in: linux (Ubuntu Mantic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Mantic)
Status: New => Triaged
** Changed in: linux (Ubuntu Noble)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Noble)
Status: New =>
Nominating for focal means the 5.4 GA kernel version. Which is not
affected.
** Changed in: linux (Ubuntu Focal)
Status: New => Invalid
** Also affects: linux-hwe-5.15 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-hwe-5.15 (Ubuntu Jammy)
Status: New =>
The fix has been merged into upstream Linux tree as
20c2dbff342aec13bf93c2f6c951da198916a455.
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https://bugs.launchpad.net/bugs/2044131
Title:
i915 regression introduced
** Tags added: patch
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https://bugs.launchpad.net/bugs/2044131
Title:
i915 regression introduced with 5.5 kernel
Status in Linux:
Fix Released
Status in linux package in
** Changed in: linux
Status: Unknown => Fix Released
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2044131
Title:
i915 regression introduced with 5.5 kernel
Status in Linux:
** Description changed:
+ [ Impact ]
+ Commit 8f4b1068e7fc3df1a77ac8151767e56b208cc87f introduced some timing checks
which have been proven invalid for at least some hardware setups. A user trying
to run Focal with HWE 5.15 kernel is not able to get any video output.
+ After going through
Fields in the "Modeline" output are:
(m)->name, drm_mode_vrefresh(m), (m)->clock, \
(m)->hdisplay, (m)->hsync_start, (m)->hsync_end, (m)->htotal, \
(m)->vdisplay, (m)->vsync_start, (m)->vsync_end, (m)->vtotal, \
(m)->type, (m)->flags
--
You received this bug
Looks like this is hardware-specific and read from BIOS:
[drm:intel_bios_init [i915]] Found panel mode in BIOS VBT legacy lfp table:
[drm:drm_mode_debug_printmodeline [drm]] Modeline "800x1280": 50 54000 800 810
820 830 1280 1290 1300 1310 0x8 0xa
--
You received this bug notification because
The commit in question (8f4b1068e7fc3df1a77ac8151767e56b208cc87f)
introduces the following logic in intel_mode_valid function
(drivers/gpu/drm/i915/display/intel_display.c):
+ if (DISPLAY_VER(dev_priv) >= 5) {
+ if (mode->hdisplay < 64 ||
+ mode->htotal - mode->hdisplay < 32)
+ return
** Attachment added: "lspci"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2044131/+attachment/5721686/+files/lspci
** Tags added: se sts
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** Attachment added: "lshw"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2044131/+attachment/5721685/+files/lshw
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https://bugs.launchpad.net/bugs/2044131
Title:
** Attachment added: "stacktrace"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2044131/+attachment/5721684/+files/stacktrace
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