I am only seeing this with chromium. Perhaps becuase, in general, I am only using a small set of applications. Chromium was started by $chromium |& > chromiumFailure AT some point after the chromium window is initially seen, X is getting killed, core is dumped. The machine is a desktop. linux is 5.12.14-arch1-1 xorg server is 1.20.11-1 libva is 2.12.0-1 chromium is 91.0.4472.114-1 $ cat chromiumFailure libva error: /usr/lib/dri/iHD_drv_video.so init failed [1258:1258:0707/174743.038477:ERROR:sandbox_linux.cc(374)] InitializeSandbox() called with multiple threads in process gpu-process. [1231:1317:0707/174748.760088:ERROR:object_proxy.cc(622)] Failed to call method: org.freedesktop.DBus.Properties.Get: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files [1231:1317:0707/174748.760254:ERROR:object_proxy.cc(622)] Failed to call method: org.freedesktop.UPower.GetDisplayDevice: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files [1231:1317:0707/174748.760386:ERROR:object_proxy.cc(622)] Failed to call method: org.freedesktop.UPower.EnumerateDevices: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files [1258:1258:0707/174750.638751:ERROR:shared_context_state.cc(73)] Skia shader compilation error ------------------------ Errors: [1258:1289:0707/174752.204699:ERROR:connection.cc(66)] X connection error received. [1258:1258:0707/174752.204698:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 1 times! Related lines in xorg log are: [ 517.923] (EE) [ 517.923] (EE) Backtrace: [ 517.941] (EE) 0: /usr/lib/Xorg (xorg_backtrace+0x53) [0x5608f4bbefd3] [ 517.941] (EE) 1: /usr/lib/Xorg (0x5608f4a78000+0x151df5) [0x5608f4bc9df5] [ 517.941] (EE) 2: /usr/lib/libc.so.6 (0x7f4b16874000+0x3cda0) [0x7f4b168b0da0] [ 517.942] (EE) 3: /usr/lib/Xorg (0x5608f4a78000+0xc1fde) [0x5608f4b39fde] [ 517.942] (EE) 4: /usr/lib/Xorg (0x5608f4a78000+0x1b9611) [0x5608f4c31611] [ 517.942] (EE) 5: /usr/lib/Xorg (0x5608f4a78000+0xd2a72) [0x5608f4b4aa72] [ 517.942] (EE) 6: /usr/lib/Xorg (0x5608f4a78000+0xd9241) [0x5608f4b51241] [ 517.942] (EE) 7: /usr/lib/Xorg (0x5608f4a78000+0xdabac) [0x5608f4b52bac] [ 517.942] (EE) 8: /usr/lib/Xorg (0x5608f4a78000+0xd72ec) [0x5608f4b4f2ec] [ 517.942] (EE) 9: /usr/lib/Xorg (0x5608f4a78000+0x3a195) [0x5608f4ab2195] [ 517.942] (EE) 10: /usr/lib/libc.so.6 (__libc_start_main+0xd5) [0x7f4b1689bb25] [ 517.942] (EE) 11: /usr/lib/Xorg (_start+0x2e) [0x5608f4ab25de] [ 517.942] (EE) [ 517.942] (EE) Segmentation fault at address 0x20 [ 517.942] (EE) Fatal server error: [ 517.942] (EE) Caught signal 11 (Segmentation fault). Server aborting [ 517.942] (EE) [ 517.942] (EE) Please consult the The X.Org Foundation support at http://wiki.x.org for help. [ 517.942] (EE) Please also check the log file at "/home/u34/.local/share/xorg/Xorg.0.log" for additional information. [ 517.942] (EE) [ 517.942] (II) AIGLX: Suspending AIGLX clients for VT switch [ 517.987] (EE) Server terminated with error (1). Closing log file. -- u34