This bug is fixed in Raring. It should be fixed in Quantal too but I
didn't use Quantal that much so I'm not certain that it's fixed there
too.
** Changed in: linux (Ubuntu)
Status: Triaged = Fix Released
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Correction from my previous post, the PPA does NOT fixed the issue. It comes
and goes randomly.
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https://bugs.launchpad.net/bugs/919773
Title:
The new (2.6.39+) samsung_laptop kernel
I noticed that too but the upstream kernel works well.
** Description changed:
This bug is fixed in upstream's Linux 3.4.0-030400-generic-pae
dmesg | grep samsung
[ 19.490347] samsung_laptop: detected SABI interface: SwSmi@
[ 19.490358] samsung_laptop: Backlight controlled by ACPI
Btw, I haven't tested but the Ubuntu part of this bug should be fixed in
Quantal unless an other commit has broken it.
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Title:
The new (2.6.39+)
** Tags removed: kernel-bug-exists-upstream
** Tags added: kernel-fixed-upstream kernel-fixed-upstream-3.4.0-030400
** Description changed:
- This is a continuation from bug 810093 but I'm using Samsung NC10. The
- backlight of the laptop often starts flickering (switching very fast
- between
** Changed in: linux
Status: Confirmed = Fix Released
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Title:
The new (2.6.39+) samsung_laptop kernel module causes serious
backlight
This bug also affect Samsung Ultrabooks (Ultrabook Samsung 530U3BAD1).
I'm using Lucid Lynx up-to-date.
The PPA suggested above appears to have fixed the issue.
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** This bug is no longer a duplicate of bug 1028151
Samsung Series 900 Laptop brightness control issue (heavy flickering)
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Title:
The new
*** This bug is a duplicate of bug 1028151 ***
https://bugs.launchpad.net/bugs/1028151
As of AUGUST 2012 and after 6 months, this is still a bug and has not
been patched.
This means that Ubuntu 12.04 FAILS on the Samsung NC10, an extremely
popular netbook which has millions of users.
If
*** This bug is a duplicate of bug 1028151 ***
https://bugs.launchpad.net/bugs/1028151
** This bug has been marked a duplicate of bug 1028151
Samsung Series 900 Laptop brightness control issue
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still problem with 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:41:14
UTC 2012 i686 i686 i386 GNU/Linux
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Title:
The new (2.6.39+) samsung_laptop
Removed bitesize tag since it has not been demonstrated that this is
bitesize in nature.
** Tags removed: bitesize
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Title:
The new (2.6.39+)
This bug is now reported to upstream.
** Bug watch added: Linux Kernel Bug Tracker #43031
http://bugzilla.kernel.org/show_bug.cgi?id=43031
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=43031
Importance: Unknown
Status: Unknown
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** Changed in: linux
Status: Unknown = Confirmed
** Changed in: linux
Importance: Unknown = Medium
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Title:
The new (2.6.39+)
I just added a new bug report about the backlight issue on my Samsung
NC10 to get some attention. After all this time this issue should
finally be fixed.
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@papukaija:
no, the 'samsung-laptop' package available on my PPA has no specific fixes for
NC10.
It's built from the latest sources taken from iksaif's git repository:
https://github.com/iksaif/samsung-laptop-dkms
Since iksaif is now the maintainer of the samsung-laptop module, his
changes will
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.3 kernel[1] (Not a kernel in the daily directory). Once you've
tested the upstream kernel, please remove the 'needs-upstream-testing'
tag(Only that
The flickering started few mins after desktop load and the available
brightness modes were 0%,10% and 100%.
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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This issue appears to be an upstream bug, since you tested the latest
upstream kernel. Would it be possible for you to open an upstream bug
report at bugzilla.kernel.org [1]? That will allow the upstream
Developers to examine the issue, and may provide a quicker resolution to
the bug.
If you
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
The new (2.6.39+) samsung_laptop kernel module causes serious
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
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Title:
The new (2.6.39+) samsung_laptop kernel module causes serious
backlight
@Fortunato: Do your patches have any NC10 specific fixes?
** Description changed:
This is a continuation from bug 810093 but I'm using Samsung NC10. The
backlight of the laptop often starts flickering (switching very fast
- between 2 brightness levels) when gnome tries to reduce the screen
+
Still an issue with 3.2.0-18-generic #28-Ubuntu SMP Fri Mar 2 20:05:41
UTC 2012 i686 i686 i386 GNU/Linux.
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Thank you for taking the time to file a bug report on this issue.
However, given the number of bugs that the Kernel Team receives during
any development cycle it is impossible for us to review them all.
Therefore, we occasionally resort to using automated bots to request
further testing. This is
** Tags added: precise
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Title:
The new (2.6.39+) samsung_laptop kernel module causes serious
backlight flickering - makes the desktop unusable
Thank you for taking the time to file a bug report on this issue.
However, given the number of bugs that the Kernel Team receives during
any development cycle it is impossible for us to review them all.
Therefore, we occasionally resort to using automated bots to request
further testing. This is
** Description changed:
This is a continuation from bug 810093 but I'm using Samsung NC10. The
backlight of the laptop often starts flickering (switching very fast
between 2 brightness levels) when gnome tries to reduce the screen
brightness (automatically after some time) to save power.
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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Title:
The new (2.6.39+) samsung_laptop kernel module causes serious
backlight
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