You rock Poloh. Thanks, that does indeed work. And I'm glad to see that the hardware wiki page has also been updated.
Grateful, Quin _______________________________________________ find me at http://uk.linkedin.com/pub/quin-wills/42/116/600 _______________________________________________ On 11 December 2012 10:36, Poloh <1082...@bugs.launchpad.net> wrote: > With kernel <= 3.2.0-32, uses acpi=noirq > > With kernel >= 3.2.0-33, uses acpi_backlight=vendor > dell_laptop.backlight=0 > > You have just to modify the /etc/default/grub file with that parameters, > then update-grub, reboot and enjoy... > > It's working :) > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1082833 > > Title: > Failed XPS 15z boot, producing: "[Firmware Bug] ACPI(PEPG) defines > _DOD but not _DOS" > > Status in “linux” package in Ubuntu: > Confirmed > > Bug description: > Hello > > This issue seems (from a Google search) to have many manifestations > among DELL XPS users. > > My installation: 64bit Precise Pangolin on 64 bit XPS 15z Intel® Core™ > i7-2640M. I am aware of the acpi=noirq situation, and follow the setup > here > https://wiki.ubuntu.com/HardwareSupport/Machines/Laptops/Dell/XPS/15z > > What happened: After an update this week, booting ended in a frozen > black screen (exactly as has been reported before) > What I did: Out of frustration, a complete new installation (12.04). > This worked just fine. > What happened next: update manager asked to do a kernel update. I > obliged. My reward was the same black screen on reboot. > What is currently working: GRUB booting with 3.2.0-29-generic (not > 3.2.0-33-generic) > My BIOS: is a little over a year old (A06). Until there is a method to > update my BIOS within Ubuntu where I am fairly sure it isn't going to cause > me untold grief (and there is clear Canonical supporting documentation), I > prefer not to update my BIOS. > > This seems like a big one guys. I am aware of the challenges with > NVIDIA etc. and feel it may be useful to at the very least clearly > document this messy ACPI situation. I'm not sure I would have spent > the money I did on this laptop knowing this (I'm not sure I would > classify XPS 15z as 'working' with Ubuntu). Apologies if I've missed > something very obvious. > > Thanks, > Quin > --- > AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. > ApportVersion: 2.0.1-0ubuntu15 > Architecture: amd64 > ArecordDevices: > **** List of CAPTURE Hardware Devices **** > card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: qilin 1835 F.... pulseaudio > Card0.Amixer.info: > Card hw:0 'PCH'/'HDA Intel PCH at 0xf1c00000 irq 27' > Mixer name : 'Intel CougarPoint HDMI' > Components : 'HDA:10ec0269,10280446,00100100 > HDA:80862805,80860101,00100000' > Controls : 25 > Simple ctrls : 12 > DistroRelease: Ubuntu 12.04 > HibernationDevice: RESUME=UUID=acf3443f-1c25-485a-ad13-30e9b6f570fb > InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 > (20120823.1) > MachineType: Dell Inc. Dell System XPS 15Z > MarkForUpload: True > Package: linux (not installed) > ProcEnviron: > TERM=xterm > PATH=(custom, no user) > LANG=en_US.UTF-8 > SHELL=/bin/bash > ProcFB: 0 inteldrmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic > root=UUID=9ea6e1cc-036a-4be5-9b2a-6c4982c9d71c ro acpi=noirq quiet splash > vt.handoff=7 > ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24 > RelatedPackageVersions: > linux-restricted-modules-3.2.0-29-generic N/A > linux-backports-modules-3.2.0-29-generic N/A > linux-firmware 1.79.1 > StagingDrivers: mei > Tags: precise running-unity staging > Uname: Linux 3.2.0-29-generic x86_64 > UpgradeStatus: No upgrade log present (probably fresh install) > UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo > dmi.bios.date: 09/17/2011 > dmi.bios.vendor: Dell Inc. > dmi.bios.version: A06 > dmi.board.name: 00WW5M > 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.:bvrA06:bd09/17/2011:svnDellInc.:pnDellSystemXPS15Z:pvr:rvnDellInc.:rn00WW5M:rvrA00:cvnDellInc.:ct8:cvr0.1: > dmi.product.name: Dell System XPS 15Z > dmi.sys.vendor: Dell Inc. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1082833/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1082833 Title: Failed XPS 15z boot, producing: "[Firmware Bug] ACPI(PEPG) defines _DOD but not _DOS" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1082833/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
