Re: Radeon driver with FC20 latest kernel update

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On Tuesday 20 January 2015 14:31:32 poma wrote:
> On 20.01.2015 12:52, Andrew R Paterson wrote:
> > Hi,
> > I am running fedora 20 X86_64
> > 
> > I have an Intel Processor:
> > Intel(R) Core(TM)2 Quad CPU Q6700 @ 2.66GHz.
> > 
> > I have an AMD radeon based GPU card :
> > Advanced Micro Devices, Inc. [AMD/ATI] RV535 [Radeon X1650 PRO]
> > (Secondary)
> > (rev 9e)
> > 
> > I have two monitors :
> > ACER Technolgies – on DVI-0 (1920x1080)
> > Viewsonic Corporation on DVI-1 (1920x1200)
> > 
> > They are (were!) driven by the radeon module :
> > 
> > lsmod :-
> > .....
> > radeon 1496040 2
> > .....
> > i2c_algo_bit 13257 1 radeon
> > .....
> > drm_kms_helper 	89555 1 radeon
> > ttm 				80807 1 radeon
> > .....
> > drm 				296901 5 ttm,drm_kms_helper,radeon
> > 
> > 
> > /var/log/messages shows:
> > 
> > radeon 0000:01:00.0: VRAM: 512M 0x0000000000000000 - 0x000000001FFFFFFF
> > (512M used)
> > radeon 0000:01:00.0: GTT: 512M 0x0000000020000000 - 0x000000003FFFFFFF
> > [drm] Detected VRAM RAM=512M, BAR=256M
> > [drm] RAM width 128bits DDR
> > 
> > X server log shows:
> > 
> > [ 88.037] (II) Loader magic: 0x80dd00
> > [ 88.037] (II) Module ABI versions:
> > [ 88.037] X.Org ANSI C Emulation: 0.4
> > [ 88.037] X.Org Video Driver: 14.1
> > [ 88.037] X.Org XInput driver : 19.2
> > [ 88.037] X.Org Server Extension : 7.0
> > [ 88.037] (II) xfree86: Adding drm device (/dev/dri/card0)
> > [ 88.040] (--) PCI:*(0:1:0:0) 1002:71c1:174b:0840 rev 158, Mem @
> > 0xd0000000/268435456, 0xfdaf0000/65536, I/O @ 0x0000ae00/256, BIOS @
> > 0x????????/131072
> > [ 88.040] (--) PCI: (0:1:0:1) 1002:71e1:174b:0841 rev 158, Mem @
> > 0xfdae0000/65536, BIOS @ 0x????????/65536
> > ....
> > ....
> > [ 88.058] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
> > [ 88.058] (II) FBDEV: driver for framebuffer: fbdev
> > [ 88.058] (II) VESA: driver for VESA chipsets: vesa
> > [ 88.058] (++) using VT number 1
> > .....
> > .....
> > [ 88.059] (II) [KMS] Kernel modesetting enabled.
> > [ 88.059] (WW) Falling back to old probe method for modesetting
> > [ 88.059] (WW) Falling back to old probe method for fbdev
> > [ 88.059] (II) Loading sub module "fbdevhw"
> > [ 88.059] (II) LoadModule: "fbdevhw"
> > [ 88.059] (II) Loading /usr/lib64/xorg/modules/libfbdevhw.so
> > [ 88.060] (II) Module fbdevhw: vendor="X.Org Foundation"
> > [ 88.060] compiled for 1.14.4, module version = 0.0.2
> > [ 88.060] ABI class: X.Org Video Driver, version 14.1
> > [ 88.060] (WW) Falling back to old probe method for vesa
> > [ 88.060] (II) RADEON(0): Creating default Display subsection in Screen
> > section
> > "Default Screen Section" for depth/fbbpp 24/32
> > [ 88.060] (==) RADEON(0): Depth 24, (--) framebuffer bpp 32
> > [ 88.060] (II) RADEON(0): Pixel depth = 24 bits stored in 4 bytes (32 bpp
> > pixmaps)
> > [ 88.060] (==) RADEON(0): Default visual is TrueColor
> > [ 88.060] (==) RADEON(0): RGB weight 888
> > [ 88.060] (II) RADEON(0): Using 8 bits per RGB (8 bit DAC)
> > [ 88.060] (--) RADEON(0): Chipset: "ATI Radeon X1650" (ChipID = 0x71c1)
> > .....
> > ________________________________________________
> > All worked well up to kernel 3.17.7-200.fc20.x86_64.
> > ________________________________________________
> > 
> > The recent update to kernel 3.17.8-200.fc20.x86_64
> > results in radeon.ko failing to load.
> > 
> > /var/log/messages shows:
> > 
> > [drm:radeon_init] *ERROR* No UMS support in radeon module!
> > 
> > %modrpobe radeon gives same message.
> > 
> > My monitors are then in low res mirorred mode (ugh!)
> > 
> > X server log shows:
> > ....
> > [ 13345.844] (II) Loader magic: 0x80dd00
> > [ 13345.844] (II) Module ABI versions:
> > [ 13345.844] X.Org ANSI C Emulation: 0.4
> > [ 13345.844] X.Org Video Driver: 14.1
> > [ 13345.844] X.Org XInput driver : 19.2
> > [ 13345.844] X.Org Server Extension : 7.0
> > [ 13345.844] (II) xfree86: Adding drm device (/dev/dri/card0)
> > [ 13345.844] setversion 1.4 failed
> > [ 13345.848] (--) PCI:*(0:1:0:0) 1002:71c1:174b:0840 rev 158, Mem @
> > 0xd0000000/268435456, 0xfdaf0000/65536, I/O @ 0x0000ae00/256, BIOS @
> > 0x????????/131072
> > [ 13345.848] (--) PCI: (0:1:0:1) 1002:71e1:174b:0841 rev 158, Mem @
> > 0xfdae0000/65536, BIOS @ 0x????????/65536
> > .......
> > 
> > I understand UMS is User ModeSetting – which according to a quick browse
> > of
> > the source for the radeon module means CONFIG_DRM_RADEON_UMS is not set.
> > Then I came across comments to the effect that this has been deprecated (a
> > mysterious word akin to legal-speak!) presumably replaced by KMS.
> > 
> > Has anybody got any clues how I can get the radeon driver loading and
> > working again?
> > Or even if its a bug whether it will soon be fixed?
> > 
> > Many Thanks
> > 
> > Andy
> 
> $ grep modeset /etc/modprobe.d/* /proc/cmdline

Hi poma,

grep modeset /etc/modprobe.d/* =
/etc/modprobe.d/radeon-kms.conf:options radeon modeset=0

grep modeset /proc/cmdline =
nothing!

Thanks








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