Hey everyone. So I have exact same problem like everybody else here, except I NEVER USED f.lux and I don't have it installed on my macbook and never had. However I have adjusted my color temperature to 8000K, I believe the default color scheme (Color LCD) uses 6500K colour temperature. I'm pretty sure this problem is caused by Intel graphics driver, because if you go to the Chrome settings and disable "hardware acceleration" the issue is gone. Not sure if there is a way to disable hardware acceleration for safari...
Im on El Capitan 10.11.6. Firefox works fine with no problems.

Flux 4.33 beta, windows 7 x64. Can't get tray icon to front. "Control Panel\All Control Panel Items\Notification Area Icons" - show all icons is unchecked. When I set "Show icon and notifications" for flux, every time computer is restarted there is new entry for flux and tray icon is hidden.
I removed /nohide from executable but this brings flux window to front, not tray icon.

here the picture links since embedding didn't work:

https://www.dropbox.com/s/f1mu1azacaohefp/Screenshot 2017-02-21 23.30.39.png?dl=0

https://www.dropbox.com/s/x3cyex5yr50e0ry/Screenshot 2017-02-21 23.32.06.png?dl=0

Also I haven't noticed the problem when playing a video file with VLC or similar -- just from streaming.

My 5cents, disabling the auto brightness adjustment didn't help my issue.
What helped in my case is that I replaced the cable of the monitor.

lightning to D-SUB adapter with a D-SUB cable connected to the monitor -> constant screen refreshing waving/flickering effect (strangely only when flux enabled and color is warm)

HDMI -> DVI cable connected to the monitor - No flickering

I tried with 2 different monitors and I had the same issue / effect / resolution one LG and one Samsung. (Simply changing the D-SUB cable to another D-SUB didn't help, using another Lightning socket or adapter didn't help either)

Had a crash this morning. Machine was up, I could SSH to it, but the screen was dark and flickering. Rebooted and checked the system.log. This may be a GPU failure issue, but I figured I would throw this in for those with similar errors and a LOT of Flux messages, but the more I dug the more it seemed like the issue was my GPU and not Flux.

Oct 25 08:04:05 max kernel[0]: IOVendorGLContext::ReportGPURestart Oct 25 11:49:04 max watchdogd[402]: [watchdog_daemon] @(_wd_daemon_service_thread) - service (com.apple.WindowServer) reported as unresponsive Oct 25 11:49:05 max watchdogd[402]: [watchdog_daemon] @(__wd_service_report_unresponsive_block_invoke) - failed to gather a spindump for (com.apple.WindowServer) Oct 25 11:05:10 max kernel[0]: NVDA(OpenGL): Channel timeout! Oct 25 11:05:35 max kernel[0]: NVDA(OpenGL): Channel timeout! Oct 25 11:06:21 --- last message repeated 1 time --- Oct 25 11:06:21 max kernel[0]: NVDA(OpenGL): Channel timeout! Oct 25 11:06:41 max kernel[0]: NVDA(OpenGL): Channel timeout! [... above repeated several times, then ... ] Oct 25 11:49:05 max Dock[360]: void CGSGetDisplaySystemState(uint64_t, CGSDisplaySystemState **): MIG error 0xfffffecc: (ipc/mig) server died Oct 25 11:49:05 max Upwork[341]: void CGSGetDisplaySystemState(uint64_t, CGSDisplaySystemState **): MIG error 0xfffffecc: (ipc/mig) server died Oct 25 11:49:05 max Flux[951]: void CGSGetDisplaySystemState(uint64_t, CGSDisplaySystemState **): MIG error 0xfffffecc: (ipc/mig) server died Oct 25 11:49:05 max Google Chrome[333]: void CGSGetDisplaySystemState(uint64_t, CGSDisplaySystemState **): MIG error 0xfffffecc: (ipc/mig) server died Oct 25 11:49:05 max Upwork[341]: void CGSGetDisplaySystemState(uint64_t, CGSDisplaySystemState **): MIG error 0x10000003: (ipc/send) invalid destination port Oct 25 11:49:05 max Flux[951]: void CGSGetDisplaySystemState(uint64_t, CGSDisplaySystemState **): MIG error 0x10000003: (ipc/send) invalid destination port Oct 25 11:49:05 max GPGSuite_Updater[1355]: Set a breakpoint at CGSLogError to catch errors as they are logged. Oct 25 11:49:05 max CalNCService[383]: Set a breakpoint at CGSLogError to catch errors as they are logged. Oct 25 11:49:05 max Upwork[341]: void CGSGetDisplaySystemState(uint64_t, CGSDisplaySystemState **): MIG error 0x10000003: (ipc/send) invalid destination port Oct 25 11:49:05 max SystemUIServer[362]: HIToolbox: received notification of WindowServer event port death. [... later, Flux repeating every few seconds ...] Oct 25 11:51:04 max Flux[951]: Empty gamma size Oct 25 11:51:04 max Flux[951]: void CGSGetDisplaySystemState(uint64_t, CGSDisplaySystemState **): MIG error 0x10000003: (ipc/send) invalid destination port

Early 2008 Mac Pro, 18GB RAM
OS X 10.11.6
NVIDIA GeForce 8800 GT 512 MB
F.lux 37.7

I've now updated my NVIDIA card with their drivers, maybe it is a GPU issue and not a Flux issue. Wait and see FTW!

While we wait for a proper implementation, here is a dirty solution.

-Install Argyll and run in command prompt: dispwin -c -d 2
*2 should be the screen where you want to clear the LUT, it might be 1 or 2 depending on display assigned ID

-You should see how the f.lux blue filter LUT restores, that's because f.lux is constantly ticking/checking (btw it should be great to disable this). So instead of closing f.lux (it will restore the LUT), simply kill the process: taskkill /f /im flux.exe

To summarize, create a .BAT with the following code and execute at will:

taskkill /f /im flux.exe
ping localhost -n 2 >nul
dispwin -c -d 2

@Tungsten_smooth said:

@Gentz Now you can open the magnifier and invert the colors (ctrl alt i). I think it's the APU not understanding the color inversion part.

Yeah, something somewhere is definitely not allowing f.lux to work correctly.

Thank you Elhem! I will give that a shot.

@ntc2ntc2 said in "Sorry, we only support 8 and 10-bit displays right now.":

@herf Adding -r 0 also works for me. I have two displays and both of them get redshifted. I would like to add -r 0 to xfluxgui [...]

Hey, I've got it working with xfluxgui by creating a small wrapper script for xflux.

I´m assuming here that you downloaded xflux11 and saved it on /usr/bin (where the original xflux resides in my Linux Mint).

Move your original /usr/bin/xflux to /usr/bin/xflux.original

Save this script as /usr/bin/xflux

#!/bin/bash
/usr/bin/xflux11 -r 0 $*

Now, when you start xfluxgui, it will start the script that, in turn, will start xflux11 and pass all the parameters you have configured in xfluxgui.

Worked like a charm here.

Btw, kudos to the author. I've been using f.lux for more than a year now and I sleep much faster/better after working late on my computer.

@TwoCables said in UWP f.lux:

Also, as you can see from the update page, it says "These pages are popping up too early for Windows App Store users. Sorry, we’re working on a fix!"

Sorry, I totally missed that! It's good information to know! I will probably just stick to Windows App in this case since developers know about the issue

Thank you for the very quick reply!

The issue with flickering when wake up the machine from Stand-by - issue still persists in even in the latest update.

When the flashing happens there is a log:

2015-08-14 1:42:47.991 AM Flux[589]: Display list confused, doing full reset.