Hi, A quick follow-up on this: It's a general problem with ACPI triggers, I think. Suspend on lid close is also no longer working. Can't believe I didn't think to check this before emailing out - sorry.
Daniel On Wed, May 7, 2014 at 11:30 AM, Daniel Moerner <dmoer...@gmail.com> wrote: > Hi all, > > This morning I encountered serious problems with using my backlight in > X in Testing. There are two related problems: > > 1. The fn keys on my Thinkpad X200s no longer control the backlight > when X is running. > 2. The brightness continually stays at minimum. I can manually change > the backlight by echoing appropriate values into > /sys/class/backlight/intel_backlight/backlight. However, within > seconds the backlight returns to the minimum brightness. Also, with > triggers I can't determine yet, the backlight sometimes flickers from > minimum to maximum before settling on minimum. > > However: > > Backlight control with fn keys works as normal while in BIOS, while in > Grub, while in initramfs (waiting for me to type my crypto password), > and during boot even after the framebuffer has loaded. Once X has > started, however, they no longer work, and my brightness, no matter > what it was beforehand, drops to minimum, and I can no longer change > it with the fn keys in X or a virtual terminal. > > I've attached what I believe to be the only relevant portion of my > log, the last five days of updates, although I only noticed the > problem this morning (and it's very noticeable). I've also attached a > list of packages. > > I would file a bug report but I have no idea what package is causing > this problem. laptop-mode-tools is installed but claims to be > deactivated (due to being plugged in). > > Any help would be appreciated. Even if the fn-keys stop working for > some reason, if there's some way to figure out how to keep it from > staying on minimum brightness, that would be fabulous. > > Daniel -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/CAPSgt5mPGoLDd=sNbUVLMKWn3jEPPVkh9=h+tbxncstr5xo...@mail.gmail.com
