Lrwxrwxrwx 1 root root 0 Feb 13 16:46 input2::capslock ->. Lrwxrwxrwx 1 root root 0 Feb 13 16:46 ath9k-phy0 ->. Here is the listing just as an added leds]# ll The capslock, numlock, and scrolllock leds works just fine. Hi Zed, as stated in the description, the problem is with the keyboard BACKLIGHT LEDS, which are NOT being DETECTED BY KERNEL. > more tricky script automated ) enjoy //linux never fail// Additional comment from Fernando Farias on 14:58:12 EST. More tricky script automated ) enjoy //linux never fail// Additional comment from Zed on 14:47:35 EST -įoo=$(find /sys/class/leds "$(cd. Additional comment from Zed on 10:52:48 EST. Additional comment from Zed on 10:47:01 EST -Įcho 1 > /sys/class/leds/input14::scrolllock/brightness I will get a working usb stick and full install RHEL 7.4 so I can test the /sys/class things, and then report back my findings. (the hotkey is fn+numlk and never saw it working on Fedora) RHEL 7.4: keyboard backlight works fine. The stick was broken and left me half way into the installation. Then tried to shrink Fedora27 and install RHEL 7.4 in a new partition. I downloaded RHEL 7.4 and put it in a USB stick. > if sonay-laptop does work in RHEL-7, we should probably figure out what changed. Only happens when blacklisting sony-laptop. > Does this chaotic numpad thing only happen when blacklisting sony-laptop, or is this an independent problem? Additional comment from Fernando Farias on 19:27:13 EST. If this happens because of the blacklisting of sony-laptop then the best fix is probably to modify the sony-laptop driver to not touch the keyboard-backlight stuff on your model, although if sonay-laptop does work in RHEL-7, we should probably figure out what changed. > the KDE, even the scroll-lock led goes on and off at random.ĭoes this chaotic numpad thing only happen when blacklisting sony-laptop, or is this an independent problem? > The numpad is chaotic, every numpad number key causes undefined behaviors on > Aside from that everything looks like it is working fine, except for the That include getting a /sys/class/backlight entry for the keyboard? (note I would expect a /sys/class/leds entry as that the standard kbd backlight userspace ABI) Ok, re-reading your original post, you said things do work in RHEL-7, does > However, there is no linux device to control the keyboard backlight: > after the last keypress and goes off, then back on at the first keypress.> > Thanks Hans, indeed it works, the keyboard backlight stays on for 20 secs (In reply to Fernando Farias from comment #3) Additional comment from Hans de Goede on 03:42:11 EST. Not sure if this is an improvement, for now I will keep the sony-laptop module available, just in case.īut at least we have more information. The numpad is chaotic, every numpad number key causes undefined behaviors on the KDE, even the scroll-lock led goes on and off at random. However, there is no linux device to control the keyboard backlight:Īside from that everything looks like it is working fine, except for the keyboard. Thanks Hans, indeed it works, the keyboard backlight stays on for 20 secs after the last keypress and goes off, then back on at the first keypress. Additional comment from Fernando Farias on 20:22:57 EST. Additional comment from Hans de Goede on 02:38:14 EST -Īnd see if that at least keeps the backlight on ? I have tried out the sony-laptop kernel module params "compat" "kbd_backlight" "kbd_backlight_timeout" with several different values and still not working. I upgraded to Fedora kernel 4.13.13-300 using dnf, still not working. However once booting out of grub, the light goes out 20 sec and never light up. I am using UEFI boot and THE KEYBOARD LIGHTS WORK FINE ON GRUB !!! Additional comment from Fernando Farias on 19:13:34 EST. **I will gladly provide any information needed** 1 root root 4096 Sep 25 21:07 thermal_profiles 1 root root 4096 Sep 25 21:07 thermal_control 1 root root 4096 Sep 25 21:07 driver_override 1 root root 4096 Sep 25 21:07 battery_care_limiter 1 root root 4096 Sep 25 21:07 battery_care_health I was using RHEL 7 a month ago and the keyboard lights worked perfectly. Keyboard lights light up on key press and turn off 20 secs after the last key press. No kbd_backlight device parameter at kernel sys directory tree. Install Fedora 26 or run live from usb pen drive.ģ. Version-Release number of selected component (if applicable):ġ. Sony Vaio SVE17137CXB keyboard LED backlight not working. +++ This bug was initially created as a clone of Bug #1498161 +++
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