Public bug reported:
Thinkpad t510. Create live CD and then boot. Shortly after desktop
launched the session hangs due to the intel_iommu being set to on. If I
change boot line to intel_iommu=off the live session works correctly.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-5.15.0-25-generic 5.15.0-25.25
ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30
Uname: Linux 5.15.0-25-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu80
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: rob 20717 F.... pulseaudio
CasperMD5CheckResult: unknown
CurrentDesktop: Budgie:GNOME
Date: Sun Apr 10 08:28:37 2022
MachineType: LENOVO 4384AJ9
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-25-generic
root=UUID=fee8c01f-ad0a-4c46-a956-7d692183fffc ro quiet splash intel_iommu=off
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.15.0-25-generic N/A
linux-backports-modules-5.15.0-25-generic N/A
linux-firmware 20220329.git681281e4-0ubuntu1
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/26/2012
dmi.bios.release: 1.82
dmi.bios.vendor: LENOVO
dmi.bios.version: 6MET92WW (1.52 )
dmi.board.name: 4384AJ9
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.ec.firmware.release: 1.33
dmi.modalias:
dmi:bvnLENOVO:bvr6MET92WW(1.52):bd09/26/2012:br1.82:efr1.33:svnLENOVO:pn4384AJ9:pvrThinkPadT510:rvnLENOVO:rn4384AJ9:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:sku:
dmi.product.family: ThinkPad T510
dmi.product.name: 4384AJ9
dmi.product.version: ThinkPad T510
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug jammy
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https://bugs.launchpad.net/bugs/1968483
Title:
22.04 beta live cd hangs
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