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[Bug 1407505] Re: No UMS support in radeon module

 

Same problem for me upgrading from 15.10 to 16.04:
$ dmesg | egrep 'drm|radeon'
[    1.293303] [drm] Initialized drm 1.1.0 20060810
[    1.328085] [drm] VGACON disable radeon kernel modesetting.
[    1.328109] [drm:radeon_init [radeon]] *ERROR* No UMS support in radeon module!
[   12.801460] [drm] VGACON disable radeon kernel modesetting.
[   12.801484] [drm:radeon_init [radeon]] *ERROR* No UMS support in radeon module!
$ lspci -nn | grep VGA
00:01.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Sumo [Radeon HD 6410D] [1002:9644]
baobab:~/sw/amd$ uname -r 
4.4.0-21-lowlatency
$ apport-collect 1407505
/usr/share/apport/apport-gtk:16: PyGIWarning: Wnck was imported without specifying a version first. Use gi.require_version('Wnck', '3.0') before import to ensure that the right version gets loaded.
  from gi.repository import GLib, Wnck, GdkX11, Gdk
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
$

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https://bugs.launchpad.net/bugs/1407505

Title:
  No UMS support in radeon module

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Utopic:
  Won't Fix
Status in linux source package in Vivid:
  Confirmed

Bug description:
  System: Kubuntu (adm64) 14.10.
  Last update: 4-Jan-2015
  No proprietary drivers.
  No 3rd party software.

  The last kernel I was able to run on my Utopic system is
  3.16.0-17-generic. Every update thereafter failed. The last one I
  tried is -28.

  From syslog for -28 kernel:

  Jan  4 14:22:41 aldebaran kernel: [    1.712424] [drm] Initialized drm 1.1.0 20060810                                                                                                                                                                                                                                       
  Jan  4 14:22:41 aldebaran kernel: [    1.736322] [drm] VGACON disable radeon kernel modesetting.                                                                                                                                                                                                                            
  Jan  4 14:22:41 aldebaran kernel: [    1.736375] [drm:radeon_init] *ERROR* No UMS support in radeon module!                                                                                                                                                                                                                 
  Jan  4 14:22:41 aldebaran kernel: [   10.340446] [drm] VGACON disable radeon kernel modesetting.                                                                                                                                                                                                                            
  Jan  4 14:22:41 aldebaran kernel: [   10.340448] [drm:radeon_init] *ERROR* No UMS support in radeon module!                                                                                                                                                                                                                 
  Jan  4 14:22:41 aldebaran kernel: [  101.573768] [drm] VGACON disable radeon kernel modesetting.                                                                                                                                                                                                                            
  Jan  4 14:22:41 aldebaran kernel: [  101.573771] [drm:radeon_init] *ERROR* No UMS support in radeon module! 

  From syslog for -17 kernel:

  Jan  4 14:27:56 aldebaran kernel: [    1.676277] [drm] Initialized drm 1.1.0 20060810                                                                                                                                                                                                                                       
  Jan  4 14:27:56 aldebaran kernel: [    1.698850] [drm] radeon kernel modesetting enabled.                                                                                                                                                                                                                                   
  Jan  4 14:27:56 aldebaran kernel: [    1.698924] fb: switching to radeondrmfb from VESA VGA                                                                                                                                                                                                                                 
  Jan  4 14:27:56 aldebaran kernel: [    1.699341] [drm] initializing kernel modesetting (TURKS 0x1002:0x6758 0x1043:0x03EA).                                                                                                                                                                                                 
  Jan  4 14:27:56 aldebaran kernel: [    1.699351] [drm] register mmio base: 0xFDDC0000                                                                                                                                                                                                                                       
  Jan  4 14:27:56 aldebaran kernel: [    1.699352] [drm] register mmio size: 131072                                                                                                                                                                                                                                           
  Jan  4 14:27:56 aldebaran kernel: [    1.699877] [drm] Detected VRAM RAM=1024M, BAR=256M                                                                                                                                                                                                                                    
  Jan  4 14:27:56 aldebaran kernel: [    1.699878] [drm] RAM width 128bits DDR                                                                                                                                                                                                                                                
  Jan  4 14:27:56 aldebaran kernel: [    1.700079] [drm] radeon: 1024M of VRAM memory ready                                                                                                                                                                                                                                   
  Jan  4 14:27:56 aldebaran kernel: [    1.700081] [drm] radeon: 1024M of GTT memory ready.                                                                                                                                                                                                                                   
  Jan  4 14:27:56 aldebaran kernel: [    1.700092] [drm] Loading TURKS Microcode                                                                                                                                                                                                                                              
  Jan  4 14:27:56 aldebaran kernel: [    1.700180] [drm] Internal thermal controller with fan control                                                                                                                                                                                                                         
  Jan  4 14:27:56 aldebaran kernel: [    1.700714] [drm] radeon: power management initialized                                                                                                                                                                                                                                 
  Jan  4 14:27:56 aldebaran kernel: [    1.700815] [drm] GART: num cpu pages 262144, num gpu pages 262144                                                                                                                                                                                                                     
  Jan  4 14:27:56 aldebaran kernel: [    1.701896] [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0                                                                                                                                                                                                     
  Jan  4 14:27:56 aldebaran kernel: [    1.711628] [drm] PCIE GART of 1024M enabled (table at 0x0000000000273000).                                                                                                                                                                                                            
  Jan  4 14:27:56 aldebaran kernel: [    1.713260] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).                                                                                                                                                                                                                
  Jan  4 14:27:56 aldebaran kernel: [    1.713262] [drm] Driver supports precise vblank timestamp query.                                                                                                                                                                                                                      
  Jan  4 14:27:56 aldebaran kernel: [    1.713314] [drm] radeon: irq initialized.                                                                                                                                                                                                                                             
  Jan  4 14:27:56 aldebaran kernel: [    1.729572] [drm] ring test on 0 succeeded in 1 usecs                                                                                                                                                                                                                                  
  Jan  4 14:27:56 aldebaran kernel: [    1.729629] [drm] ring test on 3 succeeded in 1 usecs                                                                                                                                                                                                                                  
  Jan  4 14:27:56 aldebaran kernel: [    1.934934] [drm] ring test on 5 succeeded in 1 usecs                                                                                                                                                                                                                                  
  Jan  4 14:27:56 aldebaran kernel: [    1.934938] [drm] UVD initialized successfully.                                                                                                                                                                                                                                        
  Jan  4 14:27:56 aldebaran kernel: [    1.935061] [drm] ib test on ring 0 succeeded in 0 usecs
  Jan  4 14:27:56 aldebaran kernel: [    1.935081] [drm] ib test on ring 3 succeeded in 0 usecs
  Jan  4 14:27:56 aldebaran kernel: [    2.105144] [drm] ib test on ring 5 succeeded
  Jan  4 14:27:56 aldebaran kernel: [    2.105738] [drm] Radeon Display Connectors
  Jan  4 14:27:56 aldebaran kernel: [    2.105740] [drm] Connector 0:
  Jan  4 14:27:56 aldebaran kernel: [    2.105741] [drm]   DP-1
  Jan  4 14:27:56 aldebaran kernel: [    2.105742] [drm]   HPD4
  Jan  4 14:27:56 aldebaran kernel: [    2.105743] [drm]   DDC: 0x6480 0x6480 0x6484 0x6484 0x6488 0x6488 0x648c 0x648c
  Jan  4 14:27:56 aldebaran kernel: [    2.105744] [drm]   Encoders:
  Jan  4 14:27:56 aldebaran kernel: [    2.105745] [drm]     DFP1: INTERNAL_UNIPHY2
  Jan  4 14:27:56 aldebaran kernel: [    2.105745] [drm] Connector 1:
  Jan  4 14:27:56 aldebaran kernel: [    2.105746] [drm]   HDMI-A-1
  Jan  4 14:27:56 aldebaran kernel: [    2.105747] [drm]   HPD2
  Jan  4 14:27:56 aldebaran kernel: [    2.105748] [drm]   DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c
  Jan  4 14:27:56 aldebaran kernel: [    2.105748] [drm]   Encoders:
  Jan  4 14:27:56 aldebaran kernel: [    2.105749] [drm]     DFP2: INTERNAL_UNIPHY2
  Jan  4 14:27:56 aldebaran kernel: [    2.105750] [drm] Connector 2:
  Jan  4 14:27:56 aldebaran kernel: [    2.105751] [drm]   DVI-I-1
  Jan  4 14:27:56 aldebaran kernel: [    2.105751] [drm]   HPD1
  Jan  4 14:27:56 aldebaran kernel: [    2.105752] [drm]   DDC: 0x6460 0x6460 0x6464 0x6464 0x6468 0x6468 0x646c 0x646c
  Jan  4 14:27:56 aldebaran kernel: [    2.105753] [drm]   Encoders:
  Jan  4 14:27:56 aldebaran kernel: [    2.105754] [drm]     DFP3: INTERNAL_UNIPHY
  Jan  4 14:27:56 aldebaran kernel: [    2.105754] [drm]     CRT1: INTERNAL_KLDSCP_DAC1
  Jan  4 14:27:56 aldebaran kernel: [    2.154011] [drm] fb mappable at 0xD0474000
  Jan  4 14:27:56 aldebaran kernel: [    2.154013] [drm] vram apper at 0xD0000000
  Jan  4 14:27:56 aldebaran kernel: [    2.154014] [drm] size 9216000
  Jan  4 14:27:56 aldebaran kernel: [    2.154014] [drm] fb depth is 24
  Jan  4 14:27:56 aldebaran kernel: [    2.154015] [drm]    pitch is 7680
  Jan  4 14:27:56 aldebaran kernel: [    2.154154] fbcon: radeondrmfb (fb0) is primary device
  Jan  4 14:27:56 aldebaran kernel: [    2.154213] radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device
  Jan  4 14:27:56 aldebaran kernel: [    2.160162] [drm] Initialized radeon 2.39.0 20080528 for 0000:01:00.0 on minor 0

  - I've tried regenerating /boot/grub/grub.cfg but there are no differences with previous file.
  - The kernel command line is the same for both kernels.

  Regards
  Philippe

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