Kernel lock up on reboot/shutdown since upgrade

[Chris Clarke]

When trying to shut down or reboot the system, the system freezes and is not responsive. A kernel error is shown on the screen (I will attach after posting this) This is with the radeon module.

When reverting back to 3.19.0-28 this works as expected.

I'm using XUbuntu 15.04 - fully updated.

This is my first bug report, so please be gentle. I'll endeavor to attach and do whatever is needed to provide the right information but I'm currently a little lost in this whole process.

Chris.
---
ApportVersion: 2.17.2-0ubuntu1.5
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: cclarke 1469 F.... pulseaudio
 /dev/snd/controlC1: cclarke 1469 F.... pulseaudio
CurrentDesktop: XFCE
DistroRelease: Ubuntu 15.04
HibernationDevice: RESUME=UUID=b3f4c068-1eb6-4038-9604-82237679d7a2
InstallationDate: Installed on 2015-09-18 (13 days ago)
InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
MachineType: Dell Inc. Inspiron 7548
Package: linux (not installed)
ProcFB:
 0 inteldrmfb
 1 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-30-generic.efi.signed root=/dev/mapper/xubuntu--vg-root ro quiet
ProcVersionSignature: Ubuntu 3.19.0-30.33-generic 3.19.8-ckt6
RelatedPackageVersions:
 linux-restricted-modules-3.19.0-30-generic N/A
 linux-backports-modules-3.19.0-30-generic N/A
 linux-firmware 1.143.3
Tags: vivid
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
Uname: Linux 3.19.0-30-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 07/13/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04
dmi.board.name: 0AM6R0
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias: dmi:bvnDellInc.:bvrA04:bd07/13/2015:svnDellInc.:pnInspiron7548:pvrA04:rvnDellInc.:rn0AM6R0:rvrA00:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: Inspiron 7548
dmi.product.version: A04
dmi.sys.vendor: Dell Inc.

[Chris Clarke (z-chri3-n)]

Add image of problem

[Chris Clarke (z-chri3-n)]

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[Chris Clarke (z-chri3-n)]

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[Brad Figg (brad-figg)]

This change was made by a bot.

[Chris Clarke (z-chri3-n)]

Using the below mainline kernel

Linux pc-cclar-02 3.19.8-031908ckt7-generic #201509251130 SMP Fri Sep 25 15:32:30 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

The issue does not occur

[penalvch (penalvch)]

Chris Clarke, as per http://people.canonical.com/~kernel/info/kernel-version-map.html testing mainline 3.19.8 is similar to testing Ubuntu-3.19.0-20.20. As you noted this is a regression in Ubuntu kernel version going from 3.19.0-28 to 3.19.0-30, will the bug not being reproduced with that kernel was expected, the criteria for kernel-fixed-upstream has not been met as outlined in https://wiki.ubuntu.com/Bugs/Tags .

Despite this, could you please test the latest upstream kernel available from the very top line at the top of the page from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D (the release names are irrelevant for testing, and please do not test the daily folder)? Install instructions are available at https://wiki.ubuntu.com/Kernel/MainlineBuilds . This will allow additional upstream developers to examine the issue.

If the latest kernel did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this issue is fixed in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the report description:
kernel-fixed-upstream
kernel-fixed-upstream-X.Y-rcZ

Where X, Y, and Z are numbers corresponding to the kernel version.

If the mainline kernel does not fix the issue, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-X.Y-rcZ

Please note, an error to install the kernel does not fit the criteria of kernel-bug-exists-upstream.

Once testing of the latest upstream kernel is complete, please mark this report's Status as Confirmed. Please let us know your results.

Thank you for your understanding.

[Launchpad Janitor (janitor)]

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