I can confirm this on 302.17. I've switched over to RandR for multi monitor support but the randr mode in redshift does not work. Using vidmode works but only affects my main monitor. Trying vidmode:screen=1 fails
bash-4.1$ redshift -m vidmode:screen=1 -v -o -t 6300:4000
Location: 42.000000, -83.000000
Gamma: 1.000, 1.000, 1.000
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 129 (XFree86-VidModeExtension)
Minor opcode of failed request: 19 (XF86VidModeGetGammaRampSize)
Value in failed request: 0x17
Serial number of failed request: 12
I can confirm this on 302.17. I've switched over to RandR for multi monitor support but the randr mode in redshift does not work. Using vidmode works but only affects my main monitor. Trying vidmode:screen=1 fails
bash-4.1$ redshift -m vidmode:screen=1 -v -o -t 6300:4000 VidModeExtensio n) GammaRampSize)
Location: 42.000000, -83.000000
Gamma: 1.000, 1.000, 1.000
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 129 (XFree86-
Minor opcode of failed request: 19 (XF86VidModeGet
Value in failed request: 0x17
Serial number of failed request: 12