mail/thunderbird: occasional crashes with 102.12.0_1

From: Graham Perrin <grahamperrin_at_freebsd.org>
Date: Tue, 04 Jul 2023 17:17:23 UTC
Jun 29 17:51:56 mowa219-gjp4-8570p-freebsd kernel: pid 39784 
(thunderbird), jid 0, uid 1002: exited on signal 10 (core dumped)
Jun 30 22:17:46 mowa219-gjp4-8570p-freebsd kernel: pid 84389 
(thunderbird), jid 0, uid 1002: exited on signal 10 (core dumped)
Jul  4 07:32:50 mowa219-gjp4-8570p-freebsd kernel: pid 10308 
(thunderbird), jid 0, uid 1002: exited on signal 10 (core dumped)
Jul  4 17:22:44 mowa219-gjp4-8570p-freebsd kernel: pid 68727 
(thunderbird), jid 0, uid 1002: exited on signal 10 (core dumped)

For the first of today's crashes:

----

% gdb /usr/local/lib/thunderbird/thunderbird -- 
/home/grahamperrin/thunderbird.core
…
Reading symbols from /usr/local/lib/thunderbird/thunderbird...
[New LWP 107924]
…

Core was generated by `/usr/local/bin/thunderbird'.
Program terminated with signal SIGBUS, Bus error.
Object-specific hardware error.
#0  cond_broadcast_common (cond=0x3751f880b020) at 
/usr/src/lib/libthr/thread/thr_cond.c:527
527             if (pshared || cvp->__has_user_waiters == 0)
[Current thread is 1 (LWP 107924)]
(gdb)
(gdb)
(gdb)
(gdb)
(gdb)
(gdb)
(gdb) bt
#0  cond_broadcast_common (cond=0x3751f880b020) at 
/usr/src/lib/libthr/thread/thr_cond.c:527
#1  _thr_cond_broadcast (cond=0x3751f880b020) at 
/usr/src/lib/libthr/thread/thr_cond.c:558
#2  0x00001c39f81dee19 in  () at /usr/local/lib/dri/swrast_dri.so
#3  0x00001c39f88574f5 in  () at /usr/local/lib/dri/swrast_dri.so
#4  0x00001c39f8855a71 in  () at /usr/local/lib/dri/swrast_dri.so
#5  0x00001c39f88573ea in  () at /usr/local/lib/dri/swrast_dri.so
#6  0x00001c39f81df029 in  () at /usr/local/lib/dri/swrast_dri.so
#7  0x00001c39449a7c35 in thread_start (curthread=0x3751dac52700) at 
/usr/src/lib/libthr/thread/thr_create.c:292
#8  0x0000000000000000 in  ()
(gdb) bt all
No symbol "all" in current context.
(gdb) q
%


Is what's above of any use, for diagnosis?

/usr/local/lib/dri/swrast_dri.so provided by mesa-dri-22.3.7_2.