For your information. The bugs for the Acer Aspire V5-573g are fixed.
Brightness works correct, shutdown works and even suspend to ram is
functional now. Tested with mainline Ubuntu 3.13.(trusty) kernel through
Kubuntu 13.10. (https://wiki.ubuntu.com/Kernel/MainlineBuilds).
I guess this bug could
Information from freedesktop.org mailing list is, that this seems to be
a firmware bug.
Bug filed as https://bugs.freedesktop.org/show_bug.cgi?id=71596
Mailinglist thread is http://lists.freedesktop.org/archives/intel-
gfx/2013-November/035949.html
** Bug watch added: freedesktop.org Bugzilla
This initial brightness zero bug is an ACPI problem and a work around
fix patch is headed for kernel 3.13. Chances are good that it gets
backported to kernel 3.12. Details at:
https://bugs.freedesktop.org/show_bug.cgi?id=71596
I think Bug
Bisect done. For explanation:
good means: The laptop starts with display brightness on full power, but
low(er) resolution and the Fn+ keys are not working
bad means: The laptop starts with black display (0 brightness), Fn+ keys
are working and you can level up the brightness trough the Fn+
Thank you for your information. I've tried the kernels up to 3.7.0-7.15
which I guess is the latest kernel before 3.8.0-0.1 as of this list -
https://launchpad.net/ubuntu/raring/+source/linux
The problem is, that the lates 3.7 is not showing the problem. The
resolution isn't correct and the fn+
Oh, yes, yes, but the Ubuntu-3.7.0-7.15 commit istn't in the Raring git
and the Ubuntu-3.8.0-0.1 commit is not in the Quantal git. Thats my
problem or maybe I don't understand something. To bisect commits, I need
those commits inside one git, right?
The benefit of git bisect is to simplify the
Ah, I'am sorry, I've greped for Ubuntu-xyz - my fault, but that was my missing
link :) (and I only used --oneline)
Now I know how to search the diff log and how to find the commit I need. I'am
going to try bisect.Thanks!
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@Christopher M. Penalver: Thanks for closing duplicate bug. I already
did the BIOS Update
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1224415
After additional tests (bisecting main versions), I have more information now.
I tested all the kernels I build with Kubuntu 13.10.
Current
I've tested it by booting the live images (desktop edtion) .
13.10 - not working (just to test, if I can reproduce the failure with live
boot)
11.04 - working
I'am currently downloading 10.10 (Maverick Meerkat).
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Sorry, I meant 11.10 (Oneiric Ocelot) :)
11.10 - not working, no graphic display is shown up in general. (under
LiveUSB) I'am not shure if this is the same issue.
Therefore, bp0 can you please verify that 11.10 is not working on your
hardware too?
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Did a bit LKML research and found an interesting thread
http://marc.info/?t=13783778615r=1w=2
The post by Benjamin Tissoires describes the problem, but I cannot find
a true follow up on this...? - http://marc.info/?l=linux-
kernelm=137880100812023w=2
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Checked with v.3.12, same behaviour as before.
Linux Fenrir 3.12.0-031200rc7-generic #201310271935 SMP Sun Oct 27 23:37:06 UTC
2013 x86_64 x86_64 x86_64 GNU/Linux
Changeg tag as suggested. Any further ideas or things to try out?
** Tags added: kernel-bug-exists-upstream
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