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[Bug 472506] Re: [g45] No DRM, high cpu usage by X on rendering and frequent X crashes on Intel(R) G45/G43 Integrated Graphics Chipset

 

** Description changed:

  Binary package hint: xserver-xorg-video-intel
  
  On Ubuntu 9.10 upgraded from 9.04 with Intel Corporation 4 Series
  Chipset Integrated Graphics Controller (rev 03) (recognized by X as (II)
  intel(0): Integrated Graphics Chipset: Intel(R) G45/G43 )  X fail to
  start when kernel mode setting is enabled. The related errors reported
  in logs seem to be:
  
  (EE) intel(0): [drm] Failed to detect GEM.  Kernel 2.6.28 required.
  (EE) intel(0): Failed to become DRM master.
  [...]
  (EE) intel(0): failed to get resources: Bad file descriptor
  (EE) intel(0): Kernel modesetting setup failed
  (II) UnloadModule: "intel"
  (EE) Screen(s) found, but none have a usable configuration.
  
  The kernel is the 9.10 default aka 2.6.31-14-generic and I have
  commented out my whole xorg.conf.
  
  When I disable modesetting with nomodeset kernel boot option, X succeed
  to start, I login to the machine, but I get OpenGL renderer string:
  Software Rasterizer from glxinfo, and I observe high cpu usage by X when
  rendering (e.g. loading a page at firefox). This makes the machine
  feeling rather sluggish. In the log I can see some (mayby) related
  warnigns and errors:
  
  (WW) intel(0): libpciaccess reported 0 rom size, guessing 64kB
  [...]
  (WW) intel(0): DRI2: failed to open drm device
  [...]
  (EE) intel(0): Failed to initialize kernel memory manager
  [...]
  (WW) intel(0): drmSetMaster failed: Bad file descriptor
  [...]
  (WW) intel(0): ESR is 0x00000011, page table error
  (WW) intel(0): PGTBL_ER is 0x00100000, CS instruction GTT PTE
  (WW) intel(0): PRB0_CTL (0x0001f001) indicates ring buffer enabled
  (WW) intel(0): Existing errors found in hardware state.
  
  I attach the outputs of lspci, lshw, Xorg.0.log-when-modeseting for the
  kernelmodesetting on case and  Xorg.0.log-when-no-modeseting for the
  case kernelmodesetting is switched off. The Xorg.conf is empty (contains
  only comments) in either case.
  
  ProblemType: Bug
  Architecture: amd64
  CheckboxCommand: gst_pipeline_test -t 2 'videotestsrc ! ffmpegcolorspace ! gconfvideosink'
  CheckboxData: X crashes and gdm is restarted at login screen. Also slow performance is experienced. No h/w DRI and high cpu usage by X.
  CheckboxDescription:
   Κάντε κλικ στο κουμπί Έλεγχος για να εμφανιστεί ένα δοκιμαστικό βίντεο.
   
   Είδατε μπάρες με χρώματα και στατικό θόρυβο;
  CheckboxTest: video
  Date: Tue Nov  3 12:47:37 2009
  DistroRelease: Ubuntu 9.10
  Package: python-gst0.10 0.10.17-1
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, user)
   LANG=el_GR.UTF-8
   LANGUAGE=el_GR.UTF-8
  ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
  SourcePackage: gst0.10-python
  Tags: checkbox-bug
  Uname: Linux 2.6.31-14-generic x86_64
  XsessionErrors:
   (gnome-settings-daemon:7731): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
   (gnome-settings-daemon:7731): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
   (nautilus:7758): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
   (polkit-gnome-authentication-agent-1:7776): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
+ 
+ [lspci]
+           bus info: pci@0000:00:00.0
+              description: VGA compatible controller

-- 
[g45] No DRM, high cpu usage by X on rendering and frequent X crashes on Intel(R) G45/G43 Integrated Graphics Chipset
https://bugs.launchpad.net/bugs/472506
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