could there be multiple buggy comits ? and if so could you try reverting all
the commits marked as bad
then working bakwards ?
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0acaab5367a2c4140bd965a0ad3ea265af4d43ed BUG PRESENT
0ad4991cae47c0d3ae93e1531ba5572d223d700c BUG NOT PRESENT
Test results
0fa8794e65348a08722aa3eed9df0034bca8d4cb BUG NOT PRESENT
5c574f501d46be79a4a1344b63747844be3674f5 BUG NOT PRESENT
5d434fcb255dec99189f1c58a06e4f56e12bf77d BUG NOT
other than 94a409319561ec1847fd9bf996a2d5843ad00932 which is not yet up and so
not tested
evrything is the same
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Title:
Backlight
94a409319561ec1847fd9bf996a2d5843ad00932 BUG PRESENT
so the results are the exactly the same as the last bisect
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Title:
Backlight
could you recheck the kernels are in the right folders as
there are no test kernels in a50188dae3089dcd15a6ae793528c157680891f1
when there should be one (according to the bisect log)
and there are two sets in 94a409319561ec1847fd9bf996a2d5843ad00932
so I am unsure if the folders the kernels
can you upload a tar.xz of all the kernels you built previously?
I can test them again to confirm which are affected.
thanks
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bug present in latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight. Lenovo B570
confirmed bug exists in latest maineline kernel
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Title:
Backlight control does not work, but there are entries in
bug still present
not sure why though
if you have previous kernel builds i can retest just in case
thanks
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Title:
Backlight
in this case i definately have though it is possible i failed to install
the linux extra package somewhere along the way
apolagies for this
as i stated previously i would be happy to retest all your previous
kernel builds if you still have them
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bug not present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
bug not present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
bug is present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
bug is present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
bug is not present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
bug is presentin your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
bug is present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
bug not present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
bug not present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
bug is present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
the bug is present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
bug not present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
bug exists in your latest build
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight. Lenovo
sorry tested wrong kernel ignore last comment
bug is not present in latest build
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Title:
Backlight control does not work, but
bug is not present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
the bug is not present in your latest kernel
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Title:
Backlight control does not work, but there are entries in
could you do a batch of test kernels if possible
thanks
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Title:
Backlight control does not work, but there are entries in
bug is not present in latest kernel
http://kernel.ubuntu.com/~jsalisbury/lp1354710
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Title:
Backlight control does not work, but
cannot test latest kernel as my machine requires i386 and only amd64 kernel is
avalible
thanks
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Title:
Backlight control does not
tested listed kernels
non listed kernels are ones that where unbootable
3.7.0-030700-generic backlight not yet working
3.7.0-030700rc6-generic backlight not yet working
3.8.9-030809-generic backlight working
3.8.10-030810-generic backlight working
3.8.11-030811-generic backlight working
i can confirm that the bug appears in your kernel
thanks
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Title:
Backlight control does not work, but there are entries in
Tested Linux v3.17-rc3 http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.17-rc3-utopic/ confirmed bug exists in 3.17-rc3
** Tags removed: kernel-unable-to-test-upstream
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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I am unable to test Linux v3.17-rc2located at
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.17-rc2-utopic/
as it fails to boot.
Will reattempt on next version and report results
** Summary changed:
- Backlight control does not work, but there are entries in
/sys/class/backlight.
+
** Tags added: kernel-unable-to-test-upstream
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Title:
Backlight control does not work, but there are entries in
last works in the 3.9.x kernels
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
Status
Public bug reported:
Laptop model: Lenovo B570
package version: Ubuntu 3.13.0-32.57-generic 3.13.11.4
I expected the keys for changeing the backlight brightness to work
they had no effect on the backlight
further details in attatched Tar
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package:
ignore comment about the tar
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Title:
Backlight control does not work, but there are entries in
/sys/class/backlight.
Status in
Workaround information
Reboot with only the kernel parameter acpi_backlight=vendor :
no change
output of ls /sys/class/backlight
ideapad
intel_backlight
thinkpad_screen
output of ls -la /sys/class/backlight/intel_backlight/ lslabacklight
as root
total 0
drwxr-xr-x 3 root root0 Aug 8
using mainline kernel builds verified that bug appears first in linux
3.10.0-031000rc1
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.10-rc1-saucy/linux-
image-3.10.0-031000rc1-generic_3.10.0-031000rc1.201305130510_i386.deb
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