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Message #119867
[Bug 1435898] Re: [KDE5 Session] Intel driver oops message: invalid max DP link bw val 0, using 1.62Gps
Thanks Christopher, I already commented on another bug which seems to be
a better match, see bug 1453447 .
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https://bugs.launchpad.net/bugs/1435898
Title:
[KDE5 Session] Intel driver oops message: invalid max DP link bw val
0, using 1.62Gps
Status in linux package in Ubuntu:
Confirmed
Bug description:
Kubuntu 15.04 start without problems to the display manager sddm. If I
enter my password the display is blank for a second and then does
kubuntu load forever the desktop environment.
Dmesg shows several oopses in the intel driver:
invalid max DP link bw val 0, using 1.62Gps
and
compute-config() on unknown output!
I think this problem occurs since the update to 3.19.0-9.
Kernel 4.0-rc5 tested with the same problem.
---
ApportVersion: 2.16.2-0ubuntu4
Architecture: amd64
DistroRelease: Ubuntu 15.04
HibernationDevice: UUID=3383b02e-b89c-462c-903a-cb936e81b2bf
InstallationDate: Installed on 2014-12-21 (93 days ago)
InstallationMedia: Kubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20141218)
MachineType: LENOVO 20354
NonfreeKernelModules: nvidia
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-10-generic root=UUID=b549945a-67ac-4d14-849c-b54e561d47cc ro xforcevesa quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.19.0-10.10-generic 3.19.2
RelatedPackageVersions:
linux-restricted-modules-3.19.0-10-generic N/A
linux-backports-modules-3.19.0-10-generic N/A
linux-firmware 1.143
Tags: vivid vivid
Uname: Linux 3.19.0-10-generic x86_64
UnreportableReason: The report belongs to a package that is not installed.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 10/20/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: 9BCN29WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Lancer 5A5
dmi.board.vendor: LENOVO
dmi.board.version: 31900058WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Z50-70
dmi.modalias: dmi:bvnLENOVO:bvr9BCN29WW:bd10/20/2014:svnLENOVO:pn20354:pvrLenovoZ50-70:rvnLENOVO:rnLancer5A5:rvr31900058WIN:cvnLENOVO:ct10:cvrLenovoZ50-70:
dmi.product.name: 20354
dmi.product.version: Lenovo Z50-70
dmi.sys.vendor: LENOVO
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References