[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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Matthew, the next step is to fully commit bisect from kernel 3.13 to 4.4
in order to identify the last good kernel commit, followed immediately
by the first bad one. This will allow for a more expedited analysis of
the root cause of your issue. Could you please do this following
4.8.0-040800rc4-generic
No change I'm afraid. actual_brightness is changed with the function
keys but has no effect. Backlight off when brightness is set to 0;
otherwise on.
Shouldn't I be reporting this upstream?
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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You
Matthew, to keep this relevant to upstream, one would want to test the
latest mainline kernel (now 4.8-rc4) as it is released.
Could you please advise?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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ASUS X202E - same problem
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https://bugs.launchpad.net/bugs/1608745
Title:
Backlight uncontrollable on Samsung NP740UE3 since upgrade to Xenial
To manage notifications about this bug
Thanks for the advice. I installed 4.7.0-040700.201608021801 and it
doesn't make any difference.
I did discover, though, that with either kernel, if you give
intel_backlight a brightness of 0, the backlight switches off
completely.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.7 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
In the description I of course meant acpi_video0 and acpi_video1.
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Title:
Backlight uncontrollable on Samsung NP740UE3 since upgrade to Xenial
