#Ubuntu 10.04 was just a piece of cake. I almost forgot these gradient buttons. Today they look a bit clumsy but back then I was pretty neat. I really missed them in 11+. But most importantly it doesn't mess up my backlight. I wonder what happened between 10 and 12. The suspects are systemd with it's backlight daemon and unspecified kernel options. I guess there is only one way to understand: I need a system without systemd
14.04.0 doesn't work. At least I don't have to check every version up to 16.04. Anyway, I always have FreeBSD as an alternative
I think I've found the exact bugfix that broke my backlight. And if I'm right 12.04.1 won't work. But first, testing 12.10. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/961880
I was wrong. 12.04.1 works fine. Moreover 12.04.2 is fine too. And it uses the same kernel version as 13.04 (3.5.0-17 vs 3.5.0-23). Diff shows not so many changes:
* usb otg unset
* amd_iommu_v2 added as module (virtualization)
* drm_i915_hsw added as module (intel graphics driver)
It's time to build the kernel, I guess
I give up. I'm reading the kernel's change logs starting with 3.6 and sloooowly downloading #ghostbsd. I hope the fixed an installer (they said it works already)
Patient: Acer Aspire 5742G
CPU: Intel Core i3 380M
Video: AMD 6370M/radeon (replaced)
Symptoms: backlight brightness level is being dropped to the lowest after every reboot starting with linux kernel between 3.6 and 3.8.
Diagnosis: backlight or video driver malfunction.
Which one is broken? This is the question
@replikvlt Yep. Is is not the only option I tried. The problem is that backlight is being dropped down not on load but on shutdown. I mean the display is dim even at the bios screen
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