Re: Radeon driver with FC20 latest kernel update

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On Tuesday 20 January 2015 16:20:26 poma wrote:
> On 20.01.2015 15:46, Andrew R Paterson wrote:
> > On Tuesday 20 January 2015 14:31:09 Andrew R Paterson wrote:
> >> On Tuesday 20 January 2015 15:10:15 poma wrote:
> >>> On 20.01.2015 14:44, Andrew R Paterson wrote:
> >>>> 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
> >>> 
> >>> # sed -i s/0/1/ /etc/modprobe.d/radeon-kms.conf
> >> 
> >> Hi poma
> >> 
> >> that did it thanks
> >> 
> >> /etc/modprobe.d/radeon-kms.conf:options radeon modeset=1
> >> 
> >> I mind you I still get the initial:
> >>  [drm:radeon_init] *ERROR* No UMS support in radeon module!
> >> 
> >> And the plymouth splash screen goes from one mode to another and ain't
> >> what
> >> it used to be!) - but that doesn't matter. On loading, the kernel sorts
> >> things out.
> >> 
> >> A assume if I now reboot into the previous kernel, that wont work - I'll
> >> just do it out of curiosity - but no probs - I'll now stick with
> >> 3.17.8-200.fc20.x86_64.
> 
> See whether this can smooth plymouth
> # dracut -f --kver 3.17.8-300.fc21.x86_64
> # reboot
> 
> >> Thanks
> >> Andy
> > 
> > rebooted into previous kernel - no probs!
> > I assume thats because previous kernel supported both ums and kms????
> > Regards
> > Andy
> 
> What is supported with certain version you can ask Alex Deucher at
> X.org ATI driver maintainers
> http://lists.x.org/mailman/listinfo/xorg-driver-ati
> 
> Don't see any Fedora announcement related to it at
> https://admin.fedoraproject.org/updates/FEDORA-2015-0515/kernel-3.17.8-200.f
> c20
Thanks poma - that fixed it!
mind you - you tested me there - I know you actually meant ....
# dracut --kver 3.17.8-200.fc20.x86_64
and that it was just a hint that i should upgrade to FC21!
:)
Many Thanks - have a virtual beer!

Andy

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