Public bug reported:
Few days ago, I activated the permissions restrictions beta in the security
center. All was working fine, but one day, I tried to save a gcode file, and I
got a weird screen when I hit the save button. The screen was green with a
little bit of blue in the middle, and every colors were short strips on all the
screen (picture sent in the bug report). The caps lock button's led was also
blinking very fast, and all i could do is force shutdown my pc with the
physical button.
Few days after, I tried to save some images with GIMP, and the same thing
happened, so I understood it was from permissions restrictions option.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-28-generic 7.0.0-28.28
ProcVersionSignature: Ubuntu 7.0.0-28.28-generic 7.0.12
Uname: Linux 7.0.0-28-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: netherr591 4910 F.... pipewire
netherr591 4928 F.... wireplumber
/dev/snd/seq: netherr591 4910 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Aug 3 12:11:37 2026
InstallationDate: Installed on 2024-06-29 (765 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
MachineType: LENOVO 20VE
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-28-generic
root=UUID=0a9e7e6b-ae14-403f-ab71-2aae3e79ce32 ro quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
SourcePackage: linux
UpgradeStatus: Upgraded to resolute on 2026-04-23 (101 days ago)
dmi.bios.date: 03/17/2023
dmi.bios.release: 2.54
dmi.bios.vendor: LENOVO
dmi.bios.version: F8CN54WW(V2.17)
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40700 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: ThinkBook 15 G2 ITL
dmi.ec.firmware.release: 2.54
dmi.modalias:
dmi:bvnLENOVO:bvrF8CN54WW(V2.17):bd03/17/2023:br2.54:efr2.54:svnLENOVO:pn20VE:pvrThinkBook15G2ITL:rvnLENOVO:rnLNVNB161216:rvrSDK0J40700WIN:cvnLENOVO:ct10:cvrThinkBook15G2ITL:skuLENOVO_MT_20VE_BU_idea_FM_ThinkBook15G2ITL:pfaThinkBook15G2ITL:
dmi.product.family: ThinkBook 15 G2 ITL
dmi.product.name: 20VE
dmi.product.sku: LENOVO_MT_20VE_BU_idea_FM_ThinkBook 15 G2 ITL
dmi.product.version: ThinkBook 15 G2 ITL
dmi.sys.vendor: LENOVO
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
** Attachment added: "What the screen looked like"
https://bugs.launchpad.net/bugs/2162723/+attachment/5988983/+files/Capture%20d%E2%80%99%C3%A9cran%20du%202026-08-03%2012-24-59.png
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https://bugs.launchpad.net/bugs/2162723
Title:
Major issue in permissions restrictions
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