Randr reports refresh rate = 0 for Radeon

[Alexej Davidov]

Hello,

randr reports refresh rates of all 0 for my Radeon card:

$ xrandr --verbose
Screen 0: minimum 1280 x 1024, current 1400 x 1050, maximum 1400 x 1050
default connected (normal)
        Identifier: 0x54
        Timestamp:  1525888997
        Subpixel:   horizontal rgb
        Clones:     
        CRTC:       0
        CRTCs:      0
  1400x1050 (0x55)    0.0MHz
        h: width  1400 start    0 end    0 total 1400 skew    0 clock    0.0KHz 
        v: height 1050 start    0 end    0 total 1050           clock    0.0Hz 
  1280x1024 (0x56)    0.0MHz
        h: width  1280 start    0 end    0 total 1280 skew    0 clock    0.0KHz 
        v: height 1024 start    0 end    0 total 1024           clock    0.0Hz

The main problem I've got at the moment is beryl, which divides by the refresh rate
and thus triggers a SIGFPE.

Is this a known issue with radeon and randr? Is there any work-around?


I use xorg 7.2 with ati driver 6.6.191 on Debian sid. The card is a
FireGL Mobility T2.

Regards,
A.