Chrome version:

Google Chrome	70.0.3538.76 (Official Build) (64-bit)
Revision	22757df8a5ddfacf2eaf57b85f4ea54c14b8f87a-refs/branch-heads/3538@{#1031}
Platform	11021.56.0 (Official Build) stable-channel eve
Firmware Version	Google_Eve.9584.160.0

cros-termina - Version: 11021.10.0

OS: Chrome

(also filed feedback (Alt+Shift+I) with #crostini)
 
Observed steps (does not repro regularly):
1. Running emacs
2. Switch to different multi-profile, then switch back to the one that has emacs open

Expected: Emacs doesn't crash.
Actual: Emacs died with following error in terminal window:

Key repeat discarded, Wayland compositor doesn't seem to be processing events fast enough!
write error to target fd: Bad file descriptor
write error to target fd: Bad file descriptor
sommelier.elf: ../../../../../../../../../mnt/host/source/src/platform2/vm_tools/sommelier/sommelier-seat.c:247: void sl_keyboard_keymap(void *, struct wl_keyboard *, uint32_t, int32_t, uint32_t): Assertion `data != MAP_FAILED' failed.
Aborted