Public bug reported:
(Error ID: OOPS-4a1e5a58b2883959e474d747c022fd66)
Xubuntu 25.10 on Intel Core i7 12700 => do-release-upgrade => 26.04
Xorg does not start, /var/log/Xorg.?.log ends with:
[ 41.958] (EE) intel(0): intel_uxa_set_pixmap_bo: size of buffer object does
not match constraints: size=10485760, must be greater than 9216000, but less
than 4194304
[ 41.958] (EE)
Fatal server error:
[ 41.958] (EE) failed to create screen resources(EE)
[ 41.958] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 41.958] (EE) Please also check the log file at "/var/log/Xorg.2.log" for
additional information.
[ 41.958] (EE)
[ 41.963] (EE) Server terminated with error (1). Closing log file.
Workaround is the "nomodeset" kernel boot parameter
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: xorg 1:7.7+26ubuntu1
ProcVersionSignature: Ubuntu 6.19.0-6.6-generic 6.19.2
Uname: Linux 6.19.0-6-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: unknown
CompositorRunning: None
CurrentDesktop: XFCE
Date: Sun Mar 1 16:58:35 2026
DistUpgraded: 2026-03-01 16:37:53,065 INFO ubuntu-insights not available,
skipping collection
DistroCodename: resolute
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Alder Lake-S GT1 [UHD Graphics 770] [8086:4680] (rev 0c)
(prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd Device [1458:d000]
MachineType: Gigabyte Technology Co., Ltd. H610M S2H V2
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz root=/dev/nvme0n1p13 ro pci=noaer
nomodeset
SourcePackage: xorg
UpgradeStatus: Upgraded to resolute on 2026-03-01 (0 days ago)
dmi.bios.date: 09/27/2024
dmi.bios.release: 5.27
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: F4
dmi.board.asset.tag: Default string
dmi.board.name: H610M S2H V2
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInternational,LLC.:bvrF4:bd09/27/2024:br5.27:svnGigabyteTechnologyCo.,Ltd.:pnH610MS2HV2:pvr-CF:rvnGigabyteTechnologyCo.,Ltd.:rnH610MS2HV2:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring:
dmi.product.family: H610 MB
dmi.product.name: H610M S2H V2
dmi.product.sku: Default string
dmi.product.version: -CF
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.131-1
version.libgl1-mesa-dri: libgl1-mesa-dri 26.0.1-2ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.21-1ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build2
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20210115-1build2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.18-1build1
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug has-workaround reproducible resolute
third-party-packages ubuntu
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https://bugs.launchpad.net/bugs/2142993
Title:
intel_uxa_set_pixmap_bo does not match constraints
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