[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #15 from sfievet --- I just applied the fixed against 3.15.0, and it does work as reported. The 5s delay at X startup is a bit annoying but acceptable... In my case it actually happens twice : - at X startup - at session start (presu

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 Alex Deucher changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #14 from Alex Deucher --- Fix is upstream: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f2bc561610962693be61425cf913778586d8f9c1 and will make it's way back to stable kernels as well. -- You are receivin

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #13 from sfievet --- Forgot to say : this is a muxed laptop. -- You are receiving this mail because: You are the assignee for the bug. -- next part -- An HTML attachment was scrubbed... URL:

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #12 from sfievet --- I am affected by this bug too. I have a Acer 3820TG laptop featuring Intel IGP (Ironlake) / AMD DGP (Radeon 6550M). It kept me stucked with kernel 3.12 series until I googled for "backlight issue" rather than "Int

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #11 from nl at gnuffy.net --- (In reply to comment #10) > Created attachment 99427 [details] [review] > possible fix v2 > Does this patch work any better? No, pretty much the same behaviour as the first version here. The backlight sw

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #10 from Alex Deucher --- Created attachment 99427 --> https://bugs.freedesktop.org/attachment.cgi?id=99427&action=edit possible fix v2 (In reply to comment #9) > The patch works fine, however the display backlight switches off for

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #9 from nl at gnuffy.net --- (In reply to comment #7) > Does the attached patch help? The patch works fine, however the display backlight switches off for several seconds during X init now (it didn't with kernel 2.12) but this is not

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #8 from nl at gnuffy.net --- Created attachment 99424 --> https://bugs.freedesktop.org/attachment.cgi?id=99424&action=edit dmesg output before patching (and with runpm) -- You are receiving this mail because: You are the assignee f

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #7 from Alex Deucher --- Created attachment 99349 --> https://bugs.freedesktop.org/attachment.cgi?id=99349&action=edit possible fix Does the attached patch help? -- You are receiving this mail because: You are the assignee for th

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #6 from Alex Deucher --- Please attach your dmesg output. Is this a muxed or muxless laptop? -- You are receiving this mail because: You are the assignee for the bug. -- next part -- An HTML attachment was s

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #5 from nl at gnuffy.net --- thank you -- You are receiving this mail because: You are the assignee for the bug. -- next part -- An HTML attachment was scrubbed... URL:

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #4 from nl at gnuffy.net --- (In reply to comment #3) > Does disabling runpm help? Boot with radeon.runpm=0 on the kernel command > line in grub. yes it does :) -- You are receiving this mail because: You are the assignee for the b

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 --- Comment #3 from Alex Deucher --- Does disabling runpm help? Boot with radeon.runpm=0 on the kernel command line in grub. -- You are receiving this mail because: You are the assignee for the bug. -- next part -- An H

[Bug 75917] backlight switches off when starting X - since kernel-3.13

https://bugs.freedesktop.org/show_bug.cgi?id=75917 nl at gnuffy.net changed: What|Removed |Added Summary|backlight switches of when |backlight switches off when