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Message #86083
[Bug 1382909] Re: Dell XPS 15Z Requires Kernel Parameters to Boot Correctly
md_5, if you would like a backport to a current release, then the
specific commit would need to be identified and tested on your hardware.
Once testing verifies it fixes the issue, then it would be considered
for a backport. Otherwise, you would wait until whichever release
contains a fix for your issue.
--
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https://bugs.launchpad.net/bugs/1382909
Title:
Dell XPS 15Z Requires Kernel Parameters to Boot Correctly
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
This bug is still present on both the Ubuntu 14.04 kernel (3.13) as
well as the latest mainline kernel (3.17). In addition the mainline
kernel causes additional issues with regards to brightness control.
WORKAROUND: I have used the boot param noapic to run Ubuntu on this
laptop since 12.04, however acpi=off, acpi=noirq or
acpi_backlight=vendor dell_laptop.backlight=0 all also fix the issue.
Using the last option however causes poor brightness control as the
dell backlight driver is not properly optimized.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-37-generic 3.13.0-37.64
ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
Uname: Linux 3.13.0-37-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: michael 2066 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Oct 19 15:50:18 2014
HibernationDevice: RESUME=UUID=79996bc0-bea3-4008-9182-e2afa0585224
InstallationDate: Installed on 2014-01-31 (260 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: Dell Inc. Dell System XPS 15Z
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic root=UUID=4c859e77-4949-474c-9531-c6da9ef27187 ro noapic quiet splash
RelatedPackageVersions:
linux-restricted-modules-3.13.0-37-generic N/A
linux-backports-modules-3.13.0-37-generic N/A
linux-firmware 1.127.7
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-04-16 (185 days ago)
dmi.bios.date: 09/07/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A12
dmi.board.name: 060G42
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnDellInc.:bvrA12:bd09/07/2012:svnDellInc.:pnDellSystemXPS15Z:pvr:rvnDellInc.:rn060G42:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Dell System XPS 15Z
dmi.sys.vendor: Dell Inc.
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References