2023-04-18

Generic error from google-chrome-based things (chromium, iridium, ms-edge) on the RHEL9 laptop with 32GB RAM on which they'd worked fine just recently. 
 
$ chromium-browser
  "Trace/breakpoint trap (core dumped)"

Turned out to be a foolishly set limit for virtual memory ('as': address space) in /etc/security/limits.conf 
Useful to run in strace, since the browser itself gives no indication of the error cause. 

$ strace  chromium-browser 
.....
.....
mmap(0x1233fffff000, 17179873280, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = -1 ENOMEM (Cannot allocate memory)
--- SIGTRAP {si_signo=SIGTRAP, si_code=SI_KERNEL} ---
+++ killed by SIGTRAP (core dumped) +++
Trace/breakpoint trap (core dumped)

Without the limits.conf setting, all is well. 
With 
$ ulimit -v 25000000
it's back to being bad.
With 60ish GB it's still having problems opening a tab...