https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219355

--- Comment #4 from Joseph Mulloy <freebsd-b...@joe.mulloy.me> ---
I just tried again with the ARC limited to 12 GB (out of 32 GB) and it still
crashes. This time I got a ton of "swap_pager: indefinite wait buffer" messages
on the console. From the output of top, which I have pasted below I can see
that the ARC was on 5 GB but the wired memory is up to 30GB. The guest has the
-S flag (wire guest memory) on the bhyve command since that is the default in
chyves. I have tried without it before since I suspected a memory problem. I
will try again without it.

471 processes: 1 running, 447 sleeping, 23 waiting
CPU: 43.8% user,  0.0% nice, 29.5% system,  1.4% interrupt, 25.4% idle
Mem: 1106M Active, 317M Inact, 30G Wired, 55M Cache, 18M Free
ARC: 5135M Total, 2282K MFU, 40M MRU, 2680M Anon, 1510M Header, 903M Other
Swap: 16G Total, 1221M Used, 15G Free, 7% Inuse, 12K In, 141M Out

  PID USERNAME    THR PRI NICE   SIZE    RES STATE   C   TIME    WCPU COMMAND
 3091     88       25  20    0   460M 21832K select  0   0:19  85.90% mysqld
 3593     88      143  20    0   604M   195M select  3   2:39  83.29% mysqld
39084 root         21  20    0  2127M  1969M kqread  2   3:12   4.43% bhyve
 4256 zabbix        1  20    0   105M  4584K pfault  3   0:16   0.45%
zabbix_server
 4264 zabbix        1  20    0   105M  3272K sbwait  2   0:16   0.44%
zabbix_server
 4278 zabbix        1  20    0   105M  8292K nanslp  0   0:16   0.38%
zabbix_server
 4294 zabbix        1  20    0   105M  4732K nanslp  0   0:16   0.38%
zabbix_server
 4295 zabbix        1  20    0   105M  8396K sbwait  2   0:15   0.35%
zabbix_server
 4233 zabbix        1  20    0   102M  6948K nanslp  0   0:03   0.34%
zabbix_server
 1191 root          1  20    0 26264K  3716K CPU3    3   0:43   0.11% top
 1158 jdmulloy2     1  20    0 51156K  5224K select  3   0:09   0.09%
mosh-server
 1170 root          1  20    0 22420K  3340K select  0   0:22   0.08% tmux
 4266 zabbix        1  20    0   105M  4608K sbwait  2   0:15   0.03%
zabbix_server
 4240 zabbix        1  20    0   105M  2256K pfault  2   0:16   0.02%
zabbix_server
 2090 root         14  52    0 45048K  9464K uwait   1   0:06   0.02% filebeat
 4544 root         11  52    0 43672K  9840K uwait   1   0:06   0.02% filebeat
 3786 root         13  52    0 44984K 10312K uwait   3   0:07   0.02% filebeat
 4257 zabbix        1  20    0   105M  8360K sbwait  1   0:16   0.01%
zabbix_server
 1889 root         14  52    0 44056K 10308K uwait   1   0:06   0.01% filebeat
 1487 root         10  52    0 44600K  9372K uwait   3   0:06   0.01% filebeat
 4247 zabbix        1  20    0   105M  4868K sbwait  3   0:16   0.01%
zabbix_server
 2367 root         12  20    0 42676K  8788K tx->tx  2   0:06   0.01% filebeat
 4329 zabbix        1  20    0   105M  1952K nanslp  2   0:16   0.01%
zabbix_server
  772 zabbix        1  20    0 31004K  2300K nanslp  0   0:02   0.01%
zabbix_agentd
 1662 zabbix        1  20    0 31004K  1972K nanslp  2   0:02   0.01%
zabbix_agentd
 3373 zabbix        1  20    0 31004K  2412K nanslp  0   0:02   0.01%
zabbix_agentd
 2609 zabbix        1  20    0 31004K  2612K tx->tx  1   0:01   0.01%
zabbix_agentd
 3405 root         15  52    0 46232K 10464K uwait   1   0:06   0.01% filebeat
  808 root          1  20    0 10436K  1260K select  0   0:03   0.01% powerd
 2605 zabbix        1  20    0 31004K  2520K nanslp  3   0:02   0.01%
zabbix_agentd
 1461 zabbix        1  20    0 31004K  1984K nanslp  0   0:02   0.01%
zabbix_agentd
 2635 root         15  52    0 45240K 10552K uwait   1   0:07   0.01% filebeat
 3984 root         12  20    0 42808K 10000K uwait   0   0:06   0.01% filebeat

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