Comment 4 for bug 1468788

2015-06-25 18:22 GMT+02:00 Joseph Salisbury <email address hidden>
:

> Did this issue start happening after an update/upgrade? Was there a
> prior kernel version where you were not having this particular problem?
>
> No, I don't think so. The laptop is rather new, didn't really work with
the LTS it came with, so I installed kubuntu 15.04 and the problem appeared
right from the beginning.
It didn't happen with 14.04LTS though, but that is unusable for other
reasons.

> Would it be possible for you to test the latest upstream kernel? Refer
> to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
> v4.1 kernel[0].
>

Of course.

>
> If this bug is fixed in the mainline kernel, please add the following
> tag 'kernel-fixed-upstream'.
>
> If the mainline kernel does not fix this bug, please add the tag:
> 'kernel-bug-exists-upstream'.
>
> Once testing of the upstream kernel is complete, please mark this bug as
> "Confirmed".
>
> OK, though this will take a few days as the bug occurs rather
sporadically. (I'm a developer myself, I know the pain...)

>
> Thanks in advance.
>

Thanks for your response.

>
> [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-unstable/
>
> ** Changed in: linux (Ubuntu)
> Status: Confirmed => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1468788
>
> Title:
> Kernel panic on suspend/shutdown
>
> Status in linux package in Ubuntu:
> Incomplete
>
> Bug description:
> On (so far) spontaneous suspends (to RAM) or shutdowns, a kernel panic
> (blinking caps lock) will happen in roughly a third of the cases
> (felt, not measured). So far this has not happened when suspending
> manually through plasma.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 15.04
> Package: linux-image-3.19.0-21-generic 3.19.0-21.21
> ProcVersionSignature: Ubuntu 3.19.0-21.21-generic 3.19.8
> Uname: Linux 3.19.0-21-generic x86_64
> NonfreeKernelModules: wl
> ApportVersion: 2.17.2-0ubuntu1.1
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC1: alex 1604 F.... pulseaudio
> /dev/snd/controlC0: alex 1604 F.... pulseaudio
> CurrentDesktop: KDE
> Date: Thu Jun 25 16:50:43 2015
> HibernationDevice: RESUME=UUID=4487b3ba-9f46-4a25-9afd-0763b18028d3
> InstallationDate: Installed on 2015-06-01 (24 days ago)
> InstallationMedia: Kubuntu 15.04 "Vivid Vervet" - Release amd64
> (20150422)
> MachineType: Dell Inc. XPS 13 9343
> ProcFB: 0 inteldrmfb
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-21-generic.efi.signed
> root=UUID=73890e89-f87d-4854-923c-bcf888dd69a4 ro quiet splash vt.handoff=7
> RelatedPackageVersions:
> linux-restricted-modules-3.19.0-21-generic N/A
> linux-backports-modules-3.19.0-21-generic N/A
> linux-firmware 1.143.1
> SourcePackage: linux
> UdevLog: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden:
> '/var/log/udev'
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 05/15/2015
> dmi.bios.vendor: Dell Inc.
> dmi.bios.version: A04
> dmi.board.name: 0310JH
> dmi.board.vendor: Dell Inc.
> dmi.board.version: A00
> dmi.chassis.type: 9
> dmi.chassis.vendor: Dell Inc.
> dmi.modalias:
> dmi:bvnDellInc.:bvrA04:bd05/15/2015:svnDellInc.:pnXPS139343:pvr01:rvnDellInc.:rn0310JH:rvrA00:cvnDellInc.:ct9:cvr:
> dmi.product.name: XPS 13 9343
> dmi.product.version: 01
> dmi.sys.vendor: Dell Inc.
>
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>