The failing tests happen to be ARC-related, but it looks like the cause is a Chrome crash loop on the login screen. The minidump stack traces are unfortunately not symbolized, and previous runs with the same Chrome version succeeded.

Reassigning to sheriff.

[2742:2764:0913/010755.467337:VERBOSE1:drm_util.cc(467)] Failed to get EDID blob for connector 31
[2742:2764:0913/010755.469558:VERBOSE1:drm_display.cc(104)] DRM configuring: device=/sys/devices/pci0000:00/0000:00:02.0/virtio0/drm/card1 crtc=30 connector=31 origin=0,0 size=1024x768
[2681:2681:0913/010756.382600:VERBOSE1:gaia_screen_handler.cc(1171)] LoadAuthExtension, force: 1, offline: 0
[2681:2681:0913/010756.676738:INFO:signin_screen_handler.cc(1483)] Login WebUI >> active: 1, source: gaia-signin
[2681:2681:0913/010756.681039:VERBOSE1:gaia_screen_handler.cc(621)] Auth extension finished loading
[2681:2681:0913/010756.681317:VERBOSE1:signin_screen_handler.cc(1437)] Login WebUI >> loginVisible, src: gaia-loading, webui_visible_: 0
[2681:2681:0913/010756.681514:VERBOSE1:login_display_host_webui.cc(720)] Login WebUI >> WEBUI_VISIBLE
[2681:2681:0913/010756.681544:VERBOSE1:webui_login_view.cc(603)] Login WebUI >> not emitting signal, hidden: 0
[2681:2681:0913/010757.007595:VERBOSE1:signin_screen_handler.cc(1437)] Login WebUI >> loginVisible, src: oobe, webui_visible_: 1
[2681:2681:0913/010800.219335:FATAL:login_display_host_webui.cc(774)] Renderer crash on login window

This looks to be blocking CQ runs, bumping to P0

This has not been reproing for the last few days, if this starts happening again we can reopen.