[Bug 291616] bhyve: crashes with slirp open networking
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Date: Sat, 13 Dec 2025 15:41:54 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291616
Roman Bogorodskiy <novel@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|16.0-CURRENT |CURRENT
--- Comment #1 from Roman Bogorodskiy <novel@FreeBSD.org> ---
Additional node: commenting out this assert appears to "fix" the issue. At
least the wget loop runs for a few hours without issues.
With iperf run I get the following result:
client$ iperf -c <server> -u -i 1 -P 8 -t 600 -b 100M
server:
[ ID] Interval Transfer Bandwidth Jitter Lost/Total
Datagrams
[ 46] 0.00-600.02 sec 7.32 GBytes 105 Mbits/sec 0.048 ms 2727/5347621
(0.051%)
[ 46] 0.00-600.02 sec 7 datagrams received out-of-order
[ 47] 0.00-600.02 sec 7.32 GBytes 105 Mbits/sec 0.047 ms 2867/5347593
(0.054%)
[ 42] 0.00-600.02 sec 7.32 GBytes 105 Mbits/sec 0.048 ms 3005/5349831
(0.056%)
[ 42] 0.00-600.02 sec 4 datagrams received out-of-order
[ 44] 0.00-600.02 sec 7.32 GBytes 105 Mbits/sec 0.047 ms 2673/5349876
(0.05%)
[ 44] 0.00-600.02 sec 12 datagrams received out-of-order
[ 45] 0.00-600.02 sec 7.32 GBytes 105 Mbits/sec 0.048 ms 2777/5349872
(0.052%)
[ 45] 0.00-600.02 sec 16 datagrams received out-of-order
[ 49] 0.00-600.02 sec 7.32 GBytes 105 Mbits/sec 0.048 ms 3017/5347630
(0.056%)
[ 48] 0.00-600.02 sec 7.32 GBytes 105 Mbits/sec 0.048 ms 2795/5347580
(0.052%)
[ 48] 0.00-600.02 sec 2 datagrams received out-of-order
[ 43] 0.00-600.02 sec 7.32 GBytes 105 Mbits/sec 0.048 ms 2775/5349856
(0.052%)
[ 43] 0.00-600.02 sec 4 datagrams received out-of-order
[ ID] Interval Transfer Bandwidth
[SUM] 0.00-600.02 sec 58.6 GBytes 838 Mbits/sec 22636/42789859 (0.053%)
[SUM] 0.00-600.02 sec 45 datagrams received out-of-order
On server I also see warnings like: WARN: recvmsg MSG_CTRUNC occured.
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