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Message #176923
[Bug 1575467] Re: [Dell Inspiron 3451] WARNING: CPU: 1 PID: 1297 at /build/linux-lts-utopic-vy2yyy/linux-lts-utopic-3.16.0/drivers/gpu/drm/i915/intel_display.c:1743 vlv_wait_port_ready+0x126/0x170 [i915]()
In the mainline kernel install instructions i too had noticed that it
mentioned out-of-tree modules could interfere with the kernel
installations, and so i wondered if they could be causing problems in
other ways as well. Specifically Virtualbox. I did not see the specific
error message that the instructions had listed but i had planned to
uninstall virtualbox just in case. It seems i forgot to do that.
I have uninstalled virtualbox and am testing 4.6.0-040600rc5-generic
kernel again. Currently i have watched several youtube videos without
incident, but i will keep testing. Is it possible that virtualbox is
part of the root problem? Strange that it didn't cause issues in 14.04,
but it would later. But not an impossible scenario.
I still have yet to do the kernel bisecting as i'm still a little
confused at the basic process. I think it involves compiling kernels
manually.
--
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https://bugs.launchpad.net/bugs/1575467
Title:
[Dell Inspiron 3451] WARNING: CPU: 1 PID: 1297 at /build/linux-lts-
utopic-vy2yyy/linux-lts-
utopic-3.16.0/drivers/gpu/drm/i915/intel_display.c:1743
vlv_wait_port_ready+0x126/0x170 [i915]()
Status in linux package in Ubuntu:
Incomplete
Bug description:
After upgrading from stock Ubuntu 14.04 to 16.04 my laptop
consistently freezes up and is unresponsive to keyboard or mouse. The
only way is to do a hard shutdown. I'm usually in a browser when this
happens, and often watching a video or two. It seems to happen more
often in Google Chrome than Firefox, but it happens with both. It has
happened at least once with no videos loaded. I haven’t observed it
freeze / hang when I’m not in a browser, but that's mainly what i use
my laptop for, so that's where most of my time is spent.
Call trace:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575467/+attachment/4648682/+files/kern.log.2.gz
---
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: andrew 1949 F.... pulseaudio
DistroRelease: Ubuntu 16.04
HibernationDevice: RESUME=UUID=e8aaee7c-d956-4519-94f0-cf7aad745020
InstallationDate: Installed on 2015-08-08 (263 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: Dell Inc. Inspiron 3451
Package: linux (not installed)
ProcEnviron:
LANGUAGE=en_US
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic.efi.signed root=UUID=d01f07be-c906-4024-8eef-a58ba3935298 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.4.0-21-generic N/A
linux-backports-modules-4.4.0-21-generic N/A
linux-firmware 1.157
Tags: xenial
Uname: Linux 4.4.0-21-generic x86_64
UpgradeStatus: Upgraded to xenial on 2016-04-22 (4 days ago)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 12/05/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A00
dmi.board.name: 0H4MK6
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.:bvrA00:bd12/05/2014:svnDellInc.:pnInspiron3451:pvrA00:rvnDellInc.:rn0H4MK6:rvrA00:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: Inspiron 3451
dmi.product.version: A00
dmi.sys.vendor: Dell Inc.
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