https://bugs.freedesktop.org/show_bug.cgi?id=59069
--- Comment #24 from ceentur...@gmail.com --- Hello, I have a similar problem. Everything seems ok until I launch Xbmc (full screen). I then have lots of "ttm_validate" messges on syslog, and then display becomes crazy. May 6 19:39:16 mercure dbus[725]: [system] Successfully activated service 'org.freedesktop.UDisks' May 6 19:39:24 mercure kernel: [ 9001.240755] nouveau E[ DRM] fail ttm_validate May 6 19:39:24 mercure kernel: [ 9001.240765] nouveau E[ DRM] validate vram_list May 6 19:39:24 mercure kernel: [ 9001.240781] nouveau E[ DRM] validate: -12 May 6 19:39:26 mercure kernel: [ 9004.097548] nouveau E[ DRM] fail ttm_validate May 6 19:39:26 mercure kernel: [ 9004.097558] nouveau E[ DRM] validate vram_list May 6 19:39:26 mercure kernel: [ 9004.097577] nouveau E[ DRM] validate: -12 May 6 19:39:30 mercure kernel: [ 9007.536331] nouveau E[ DRM] fail ttm_validate May 6 19:39:30 mercure kernel: [ 9007.536340] nouveau E[ DRM] validate vram_list May 6 19:39:30 mercure kernel: [ 9007.536359] nouveau E[ DRM] validate: -12 May 6 19:39:33 mercure kernel: [ 9010.661699] nouveau E[ DRM] fail ttm_validate May 6 19:39:33 mercure kernel: [ 9010.661710] nouveau E[ DRM] validate vram_list May 6 19:39:33 mercure kernel: [ 9010.661729] nouveau E[ DRM] validate: -12 ... May 6 19:42:15 mercure kernel: [ 9173.135847] BUG: Bad page map in process xbmc.bin pte:800000002bc20067 pmd:21da7067 May 6 19:42:15 mercure kernel: [ 9173.135862] page:ffffea0000af0800 count:-1 mapcount:-1 mapping: (null) index:0x0 May 6 19:42:15 mercure kernel: [ 9173.135866] page flags: 0x14(referenced|dirty) May 6 19:42:15 mercure kernel: [ 9173.135878] addr:00007f30f007f000 vm_flags:002000fb anon_vma: (null) mapping:ffff880036790e48 index:80 May 6 19:42:15 mercure kernel: [ 9173.135890] vma->vm_ops->fault: shmem_fault+0x0/0xa0 May 6 19:42:15 mercure kernel: [ 9173.135896] vma->vm_file->f_op->mmap: shmem_mmap+0x0/0x30 May 6 19:42:15 mercure kernel: [ 9173.135903] Pid: 4223, comm: xbmc.bin Tainted: GF 3.8.0-19-generic #29-Ubuntu May 6 19:42:15 mercure kernel: [ 9173.135907] Call Trace: May 6 19:42:15 mercure kernel: [ 9173.135922] [<ffffffff8115477d>] print_bad_pte+0x1dd/0x250 May 6 19:42:15 mercure kernel: [ 9173.135930] [<ffffffff81156f62>] unmap_page_range+0x692/0x750 May 6 19:42:15 mercure kernel: [ 9173.135939] [<ffffffff8105fb8a>] ? current_fs_time+0x1a/0x60 May 6 19:42:15 mercure kernel: [ 9173.135947] [<ffffffff81155e73>] ? do_wp_page+0x393/0x7f0 May 6 19:42:15 mercure kernel: [ 9173.135955] [<ffffffff811570aa>] unmap_single_vma+0x8a/0x100 May 6 19:42:15 mercure kernel: [ 9173.135962] [<ffffffff81157909>] unmap_vmas+0x49/0x90 May 6 19:42:15 mercure kernel: [ 9173.135970] [<ffffffff8115c894>] unmap_region+0xa4/0x120 May 6 19:42:15 mercure kernel: [ 9173.135979] [<ffffffff8115ebca>] do_munmap+0x2ba/0x410 May 6 19:42:15 mercure kernel: [ 9173.135987] [<ffffffff8115ed6e>] vm_munmap+0x4e/0x70 May 6 19:42:15 mercure kernel: [ 9173.135994] [<ffffffff8115fc4b>] sys_munmap+0x2b/0x40 May 6 19:42:15 mercure kernel: [ 9173.136005] [<ffffffff816d379d>] system_call_fastpath+0x1a/0x1f I am using: Xubuntu 13.04 x86_64 Kernel 3.8.0-19-generic xserver-xorg 1:7.7+1ubuntu4 00:05.0 VGA compatible controller: NVIDIA Corporation C51PV [GeForce 6150] (rev a2) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. A8N-VM CSM Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 16 Memory at fb000000 (32-bit, non-prefetchable) [size=16M] Memory at e0000000 (64-bit, prefetchable) [size=256M] Memory at fc000000 (64-bit, non-prefetchable) [size=16M] [virtual] Expansion ROM at 40000000 [disabled] [size=128K] Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+ Kernel driver in use: nouveau Regards -- You are receiving this mail because: You are the assignee for the bug.
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