** This bug is no longer a duplicate of bug 1082244
[Dell XPS 15z] Needs kernel parameter 'acpi_backlight=vendor
dell_laptop.backlight=0' or 'acpi=noirq' to boot
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*** This bug is a duplicate of bug 1082244 ***
https://bugs.launchpad.net/bugs/1082244
** This bug has been marked a duplicate of bug 1082244
[Dell XPS 15z] Needs kernel parameter 'acpi_backlight=vendor
dell_laptop.backlight=0' or 'acpi=noirq' to boot
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acpi_backlight=dell_laptop.backlight=0 seems working too
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https://bugs.launchpad.net/bugs/1072891
Title:
[Dell
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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Adding 'acpi_backlight=vendor dell_laptop.backlight=0' to kernel command
line (no 'acpi=noirq' or 'acpi=off') results in succesfull boot.
** Description changed:
With Quantal amd64, the machine fails to boot without additional kernel
parameters. This is reproducible in 3.5.0-18-generic
** Description changed:
With Quantal amd64, the machine fails to boot without additional kernel
parameters. This is reproducible in 3.5.0-18-generic 3.5.0-18.29 and
3.6.3 mainline. This is not reproducible with Quantal i386.
A Ubuntu release bisect revealed the regression is going from
Hi Kirill Bogdanenko,
I have the same system/problems as you. However, I don't have the
technical skills to do the tests Christopher is asking for. If you get a
spare moment and can do those tests to help track this regression down,
that would be greatly appriciated :)
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Adam Bruce, if you have a bug in Ubuntu, could you please file a new report by
executing the following in a terminal:
ubuntu-bug linux
For more on this, please see the Ubuntu Kernel team article:
https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports
the Ubuntu Bug
Christopher, I have exctly the same issue/system as the bug reporter. I
was simply asking him to continue tracking down the regression as it
will resolve my problem too.
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Adam Bruce, thank you for your comments. Regarding them :
Christopher, I have exctly the same issue/system as the bug reporter. I was
simply asking him to continue tracking down the regression as it will resolve
my problem too.
This is not terribly helpful. If you want to help, please perform
Issue is relevant to kernel 3.7-rc4
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Title:
[Dell XPS 15z] Need kernel parameter acpi=noirq or acpi=off to boot
To manage notifications about
** Tags removed: kernel-bug-exists-upstream-v3.6.3-quantal
needs-upstream-testing
** Tags added: kernel-bug-exists-upstream-3.7-rc4
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Title:
Kirill Bogdanenko, thank you for testing the newest mainline kernel. In
order to further narrow down this regression, could you please test
Maverick AMD64 via http://old-
releases.ubuntu.com/releases/maverick/ubuntu-10.10-desktop-amd64.iso ?
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I've already tested amd64 10.10 it does boot. I can say that:
* Ubuntu 10.04.4 amd64 boots without any kernel acpi parameters
* 10.10+ amd64 requires acpi=noirq or acpi=off to boot
I've tested all (amd64) of: 10.04.4, 10.10, 11.04, 11.10, 12.04.1, 12.10
using live images. Should I install 10.10 ?
I've already tested amd64 10.10 it does boot.
it does NOT boot.
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Title:
[Dell XPS 15z] Need kernel parameter acpi=noirq or acpi=off to boot
** Description changed:
With Quantal amd64, the machine fails to boot without additional kernel
parameters. This is reproducible in 3.5.0-18-generic 3.5.0-18.29 and
3.6.3 mainline. This is not reproducible with Quantal i386.
- A Ubuntu release bisect revealed the regression is going from
Kirill Bogdanenko, thank you for testing the Maverick live environment.
The next step is to perform a Ubuntu kernel version bisect going from
2.6.32-21.32 (Lucid release version) and linux 2.6.35-22.33 (Maverick
release version). However, we want to know first which sub version of
2.6.x the
Kirill Bogdanenko, could you please test http://kernel.ubuntu.com
/~kernel-ppa/mainline/v3.7-rc4-raring/ ?
** Description changed:
With Quantal amd64, the machine fails to boot without additional kernel
parameters. This is reproducible in 3.5.0-18-generic 3.5.0-18.29 and
- 3.6.3 mainline.
The latest amd64 buntu release that boots without any acpi flags is
10.04.4 Lucid.
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Title:
[Dell XPS 15z] Need kernel parameter acpi=noirq or
** Description changed:
With Quantal amd64, the machine fails to boot without additional kernel
parameters. This is reproducible in 3.5.0-18-generic 3.5.0-18.29 and
- 3.6.3 mainline. This is not reproducible with Quantal i386.
+ 3.6.3 mainline. This is not reproducible with Quantal i386 or
Can confirm that amd64 Lucid boots without additional kernel acpi
parameters.
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Title:
[Dell XPS 15z] Need kernel parameter acpi=noirq or
** Tags added: regression-release
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Title:
[Dell XPS 15z] Need kernel parameter acpi=noirq or acpi=off to boot
To manage notifications about
Kirill Bogdanenko, thank you for testing the Lucid amd64 live
environment. The next step is to find the last working amd64 Ubuntu
release, followed immediately by the first non-working one. Could you
please do this following https://wiki.ubuntu.com/Kernel/KernelBisection
?
Thank you for your
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