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Message #180325
[Bug 1537209] Re: Kernel doesn't load after kubuntu upgrade (from 15.04 to 15.10)
Renato S. Yamane, the next step is to fully reverse commit bisect from
kernel 4.4 to 4.6 in order to identify the last bad commit, followed
immediately by the first good one. Once this good commit has been
identified, it may be reviewed for backporting. Could you please do this
following
https://wiki.ubuntu.com/Kernel/KernelBisection#How_do_I_reverse_bisect_the_upstream_kernel.3F
?
Please note, finding adjacent kernel versions is not fully commit
bisecting.
After the fix commit (not kernel version) has been identified, then
please mark this report Status Confirmed.
Thank you for your understanding.
Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs
** Tags added: kernel-fixed-upstream kernel-fixed-upstream-4.6 needs-
reverse-bisect
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1537209
Title:
Kernel doesn't load after kubuntu upgrade (from 15.04 to 15.10)
Status in linux package in Ubuntu:
Incomplete
Bug description:
After updrade my laptop Lenovo T430u from Kubuntu Vivid to Wily), I
can not load the kernel 4.2.0-23 or 4.2.0-25 (not tested other
versions).
The only kernel I can use is 3.19.0-43 (from Kubuntu Vivid).
If I choose 4.2.0-xx kernel, I just can see a black screen.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-25-generic 4.2.0-25.30
ProcVersionSignature: Ubuntu 3.19.0-43.49-generic 3.19.8-ckt10
Uname: Linux 3.19.0-43-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: yamane 1879 F.... pulseaudio
CurrentDesktop: KDE
Date: Fri Jan 22 19:13:09 2016
HibernationDevice: RESUME=UUID=f11f0511-b75c-4a11-a486-9119d10ee8d7
InstallationDate: Installed on 2014-03-08 (685 days ago)
InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140308)
MachineType: LENOVO 33525SP
ProcEnviron:
LANGUAGE=pt_BR:pt:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=pt_BR.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-43-generic root=UUID=0575faf0-2a03-4d14-8eff-4e45024318f0 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.19.0-43-generic N/A
linux-backports-modules-3.19.0-43-generic N/A
linux-firmware 1.149.3
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to wily on 2016-01-15 (6 days ago)
dmi.bios.date: 01/11/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: H6ET90WW (2.08 )
dmi.board.asset.tag: Not Available
dmi.board.name: 33525SP
dmi.board.vendor: LENOVO
dmi.board.version: Win8 STD EM DPK TPG
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrH6ET90WW(2.08):bd01/11/2013:svnLENOVO:pn33525SP:pvrThinkPadT430u:rvnLENOVO:rn33525SP:rvrWin8STDEMDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 33525SP
dmi.product.version: ThinkPad T430u
dmi.sys.vendor: LENOVO
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