** Description changed:
+ [ Impact ]
+
+ This is fixing a regression introduced by LP: #2111684.
+
+ After the upgrade, the system fails to boot into the graphical user
+ interface.
+
+ This was reported here, and LP: #2115605 and LP: #2115598, and also in
+ forums like https://forums.linuxmint.com/viewtopic.php?t=448655.
+
+ One report says that the login prompt (gdm) is there, and it's just the
+ monitor that is off. Blindly typing the credentials seems to work and
+ get into the GUI, provided the credentials are correct.
+
+ In all the reported cases, reverting to the previous version of this
+ package fixed the problem.
+
+
+ [ Test Plan ]
+
+ Update to the proposed package.
+ Reboot, and confirm that the GUI login prompt shows up as normal, and allows
login to the system.
+
+
+ [ Where problems could occur ]
+ This update is an exact revert of LP: #2111684. It's not expected for the
revert to introduce new problems, since it doesn't involve any postinst actions
or something else that would not be idempotent. One obvious regression, though,
is that bug LP: #2111684 will be reintroduced to those systems that were
affected by it.
+
+
+ [ Original Description ]
+
1) The release of Ubuntu you are using:
Kubuntu 25.04 "Plucky Puffin"
2) The version of the package you are using:
The issue is caused by upgrading libpciaccess0.
- Working version: 0.17-3build1
- Problematic version: 0.17-3ubuntu0.25.04.1
+ Working version: 0.17-3build1
+ Problematic version: 0.17-3ubuntu0.25.04.1
3) What you expected to happen:
After a standard system upgrade via sudo apt upgrade and a reboot, I expected
the system to boot normally into the Kubuntu Plasma desktop environment, just
as it did before the upgrade.
4. What happened instead:
After the upgrade, the system fails to boot into the graphical user
interface. The boot process shows the Kubuntu logo, but immediately after, the
screen turns black. My primary monitor shows a black screen, and my secondary
monitor loses its signal entirely.
Troubleshooting and Workaround:
- Booting into Recovery Mode works.
- Restoring a system snapshot (via Timeshift) to the state before the apt
upgrade resolves the issue, and the system boots normally again.
- By isolating the packages, I have confirmed that the problem is
specifically caused by the upgrade of the libpciaccess0 package.
- The issue is consistently reproducible by upgrading only this package.
- The current workaround is to prevent the package from being upgraded by
using the command: sudo apt-mark hold libpciaccess0. With this package held
back, all other system updates can be installed without causing the boot issue.
+ Booting into Recovery Mode works.
+ Restoring a system snapshot (via Timeshift) to the state before the apt
upgrade resolves the issue, and the system boots normally again.
+ By isolating the packages, I have confirmed that the problem is
specifically caused by the upgrade of the libpciaccess0 package.
+ The issue is consistently reproducible by upgrading only this package.
+ The current workaround is to prevent the package from being upgraded by
using the command: sudo apt-mark hold libpciaccess0. With this package held
back, all other system updates can be installed without causing the boot issue.
This issue seems to be related to how the new version of libpciaccess0
interacts with the AMD Radeon graphics driver during the system's
startup sequence. My hardware includes an AMD Radeon GPU. My GPU is an
AMD Radeon RX 7700 XT.
ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: libpciaccess0 0.17-3build1
ProcVersionSignature: Ubuntu 6.14.0-22.22-generic 6.14.5
Uname: Linux 6.14.0-22-generic x86_64
ApportVersion: 2.32.0-0ubuntu5.2
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: unknown
CompositorRunning: None
CurrentDesktop: KDE
Date: Sun Jun 29 05:18:20 2025
DistUpgraded: Fresh install
DistroCodename: plucky
DistroVariant: ubuntu
DkmsStatus:
- virtualbox/7.0.20, 6.14.0-15-generic, x86_64: installed
- virtualbox/7.0.20, 6.14.0-22-generic, x86_64: installed
+ virtualbox/7.0.20, 6.14.0-15-generic, x86_64: installed
+ virtualbox/7.0.20, 6.14.0-22-generic, x86_64: installed
GraphicsCard:
- Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7d98]
- Advanced Micro Devices, Inc. [AMD/ATI] Navi 32 [Radeon RX 7700 XT / 7800 XT]
[1002:747e] (rev ff) (prog-if 00 [VGA controller])
- Subsystem: ASUSTeK Computer Inc. Device [1043:0516]
+ Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7d98]
+ Advanced Micro Devices, Inc. [AMD/ATI] Navi 32 [Radeon RX 7700 XT / 7800 XT]
[1002:747e] (rev ff) (prog-if 00 [VGA controller])
+ Subsystem: ASUSTeK Computer Inc. Device [1043:0516]
InstallationDate: Installed on 2025-05-08 (51 days ago)
InstallationMedia: Kubuntu 25.04 "Plucky Puffin" - Release amd64 (20250417)
MachineType: Micro-Star International Co., Ltd. MS-7D98
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-6.14.0-22-generic
root=UUID=8ebad1b8-eda6-47da-acf8-78af15e5f55b ro rootflags=subvol=@ quiet
splash vt.handoff=7
SourcePackage: libpciaccess
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/30/2024
dmi.bios.release: 5.27
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: H.A0
dmi.board.asset.tag: Default string
dmi.board.name: B760 GAMING PLUS WIFI (MS-7D98)
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: 3.0
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Micro-Star International Co., Ltd.
dmi.chassis.version: 3.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInternational,LLC.:bvrH.A0:bd09/30/2024:br5.27:svnMicro-StarInternationalCo.,Ltd.:pnMS-7D98:pvr3.0:rvnMicro-StarInternationalCo.,Ltd.:rnB760GAMINGPLUSWIFI(MS-7D98):rvr3.0:cvnMicro-StarInternationalCo.,Ltd.:ct3:cvr3.0:skuDefaultstring:
dmi.product.family: Default string
dmi.product.name: MS-7D98
dmi.product.sku: Default string
dmi.product.version: 3.0
dmi.sys.vendor: Micro-Star International Co., Ltd.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.124-2
version.libgl1-mesa-dri: libgl1-mesa-dri 25.0.3-1ubuntu2
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.16-1ubuntu1.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20210115-1build1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.18-1
** Changed in: libpciaccess (Ubuntu)
Status: Triaged => Invalid
** Also affects: libpciaccess (Ubuntu Questing)
Importance: Critical
Status: Invalid
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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/2115574
Title:
Upgrade of libpciaccess0 to 0.17-3ubuntu0.25.04.1 causes black screen
on boot with AMD Radeon GPU
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https://bugs.launchpad.net/ubuntu/+source/libpciaccess/+bug/2115574/+subscriptions
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