[arch-general] chromium, or libva, or something, makes xorg dump core

[u34 at net9.ga]

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