After a few unattended hours Xorg was still running, but only a terminal window had survived the night :-( Xorg: git, a few days old, kernel: 3.3. Xorg.0.log: Nothing unusual dmesg: [156859.078080] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [156869.197310] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [156870.008424] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [156871.268130] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [156872.988325] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [156879.187113] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [156880.046793] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [156898.079853] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170448.897871] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170449.982378] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170450.399949] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170451.999312] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170458.007902] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170458.795343] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170756.249755] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170756.572389] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170769.156889] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170769.392065] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170770.703797] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170772.407662] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170779.460247] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170788.713283] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170795.466570] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170796.491909] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170798.477484] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170804.722188] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [170805.534740] [drm:drm_gem_create_mmap_offset] *ERROR* failed to allocate offset for bo 0 [179417.374016] VFS: file-max limit 204863 reached [179418.373995] VFS: file-max limit 204863 reached [179419.373969] VFS: file-max limit 204863 reached [179420.373982] VFS: file-max limit 204863 reached [179422.373995] VFS: file-max limit 204863 reached [179423.374002] VFS: file-max limit 204863 reached [179425.373970] VFS: file-max limit 204863 reached [179427.404335] VFS: file-max limit 204863 reached [179428.373994] VFS: file-max limit 204863 reached [179429.373992] VFS: file-max limit 204863 reached [179430.381375] VFS: file-max limit 204863 reached [179431.374017] VFS: file-max limit 204863 reached [179432.380678] VFS: file-max limit 204863 reached [179433.373972] VFS: file-max limit 204863 reached [179434.385198] VFS: file-max limit 204863 reached [179435.374010] VFS: file-max limit 204863 reached [179437.373992] VFS: file-max limit 204863 reached [179438.373992] VFS: file-max limit 204863 reached [179440.374007] VFS: file-max limit 204863 reached [179442.420661] VFS: file-max limit 204863 reached [179443.373989] VFS: file-max limit 204863 reached [179444.373998] VFS: file-max limit 204863 reached [179445.394205] VFS: file-max limit 204863 reached [179446.373974] VFS: file-max limit 204863 reached [179447.395051] VFS: file-max limit 204863 reached [179448.373964] VFS: file-max limit 204863 reached [179449.402791] VFS: file-max limit 204863 reached [179450.373994] VFS: file-max limit 204863 reached [179452.374004] VFS: file-max limit 204863 reached [179453.374010] VFS: file-max limit 204863 reached [179455.374067] VFS: file-max limit 204863 reached [179455.797582] VFS: file-max limit 204863 reached [179472.450203] VFS: file-max limit 204863 reached [179473.373970] VFS: file-max limit 204863 reached [179474.374087] VFS: file-max limit 204863 reached [179475.424852] VFS: file-max limit 204863 reached [179476.401695] VFS: file-max limit 204863 reached [179477.427067] VFS: file-max limit 204863 reached [179478.398170] VFS: file-max limit 204863 reached [179479.425794] VFS: file-max limit 204863 reached [179480.373985] VFS: file-max limit 204863 reached [179482.374007] VFS: file-max limit 204863 reached [179483.373988] VFS: file-max limit 204863 reached [179485.373987] VFS: file-max limit 204863 reached I built a new X server and tried kernel 3.2.12 - that does not seem to help as both the number of open files and the number of gem objects still grow without obvious reasons. Any idea? cu, Knut