[ ~]$ LIBGL_DEBUG=verbose glxinfo > /dev/null
libGL: AtiGetClientDriverName: 15.20.2 fglrx (screen 0)
libGL: OpenDriver: trying /usr/lib/xorg/modules/dri//fglrx_dri.so
ukiDynamicMajor: found major device number 250
ukiDynamicMajor: found major device number 250
ukiDynamicMajor: found major device number 250
ukiOpenDevice: node name is /dev/ati/card0
ukiOpenDevice: open result is 4, (OK)
ukiGetBusid returned 'PCI:0:1:0'
ukiOpenDevice: node name is /dev/ati/card1
ukiOpenDevice: open result is 4, (OK)
ukiGetBusid returned 'PCI:1:0:0'
ukiOpenDevice: node name is /dev/ati/card2
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card3
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card4
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card5
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card6
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card7
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card8
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card9
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card10
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card11
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card12
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card13
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card14
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card15
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiDynamicMajor: found major device number 250
ukiOpenByBusid: Searching for BusID PCI:0:1:0
ukiOpenDevice: node name is /dev/ati/card0
ukiOpenDevice: open result is 4, (OK)
ukiOpenByBusid: ukiOpenMinor returns 4
ukiOpenByBusid: ukiGetBusid reports PCI:0:1:0
ukiDynamicMajor: found major device number 250
ukiDynamicMajor: found major device number 250
ukiOpenByBusid: Searching for BusID PCI:1:0:0
ukiOpenDevice: node name is /dev/ati/card0
ukiOpenDevice: open result is 5, (OK)
ukiOpenByBusid: ukiOpenMinor returns 5
ukiOpenByBusid: ukiGetBusid reports PCI:0:1:0
ukiOpenDevice: node name is /dev/ati/card1
ukiOpenDevice: open result is 5, (OK)
ukiOpenByBusid: ukiOpenMinor returns 5
ukiOpenByBusid: ukiGetBusid reports PCI:1:0:0
ukiDynamicMajor: found major device number 250
ukiDynamicMajor: found major device number 250
ukiDynamicMajor: found major device number 250
ukiOpenDevice: node name is /dev/ati/card0
ukiOpenDevice: open result is 13, (OK)
ukiGetBusid returned 'PCI:0:1:0'
ukiOpenDevice: node name is /dev/ati/card1
ukiOpenDevice: open result is 13, (OK)
ukiGetBusid returned 'PCI:1:0:0'
ukiOpenDevice: node name is /dev/ati/card2
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card3
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card4
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card5
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card6
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card7
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card8
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card9
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card10
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card11
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card12
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card13
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card14
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiOpenDevice: node name is /dev/ati/card15
ukiOpenDevice: UKI_ERR_NOT_ROOT
ukiDynamicMajor: found major device number 250
ukiOpenByBusid: Searching for BusID PCI:0:1:0
ukiOpenDevice: node name is /dev/ati/card0
ukiOpenDevice: open result is 13, (OK)
ukiOpenByBusid: ukiOpenMinor returns 13
ukiOpenByBusid: ukiGetBusid reports PCI:0:1:0