https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254171
Bug ID: 254171
Summary: 13.0-RC1: pf: vnet: jail leaves a unnecessary swi1
thread in intr process
Product: Base System
Version: 13.0-STABLE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: ras...@superbox.pl
To reproduce the issue you must load pf module and create the jail with vnet
option.
# cat /etc/jail.conf
path = "/usr/jail/${name}";
exec.clean;
exec.prestart = "ifconfig epair${epairid} create";
exec.prestart += "ifconfig epair${epairid}a inet6 ifdisabled up";
exec.prestart += "ifconfig bridge0 addm epair${epairid}a";
exec.created = "cpuset -l 1 -j ${name}";
exec.start = "ifconfig epair${epairid}b ether 02:ef:a4:c1:60:0${epairid}";
exec.start += "ifconfig epair${epairid}b inet ${ipaddress} netmask
${netmask}";
exec.start += "route add default ${gateway}";
exec.start += "sh /etc/rc";
exec.stop = "sh /etc/rc.shutdown jail";
exec.poststop = "ifconfig epair${epairid}a destroy";
host.hostname = "${name}";
mount.devfs;
vnet;
vnet.interface = "epair${epairid}b";
test1 {
$epairid = 1;
$ipaddress = 192.168.0.101;
$netmask = 255.255.255.0;
$gateway = 192.168.0.1;
}
test2 {
$epairid = 2;
$ipaddress = 192.168.0.102;
$netmask = 255.255.255.0;
$gateway = 192.168.0.1;
}
# ifconfig bridge0 create
# kldload pf
# service jail onestart
Starting jails: test1 test2.
# procstat -t 12 | egrep 'PID|swi1'
PID TID COMM TDNAME CPU PRI STATE WCHAN
12 100031 intr swi1: netisr 0 -1 28 wait -
12 100134 intr swi1: pf send -1 28 wait -
12 100138 intr swi1: pf send -1 28 wait -
12 100147 intr swi1: pf send -1 28 wait -
# service jail onerestart
Stopping jails: test1 test2.
Starting jails: test1 test2.
# service jail onerestart
Stopping jails: test1 test2.
Starting jails: test1 test2.
# service jail onestop
Stopping jails: test1 test2.
# procstat -t 12 | egrep 'PID|swi1'
PID TID COMM TDNAME CPU PRI STATE WCHAN
12 100031 intr swi1: netisr 0 -1 28 wait -
12 100134 intr swi1: pf send -1 28 wait -
12 100138 intr swi1: -1 47 wait -
12 100147 intr swi1: -1 47 wait -
12 100157 intr swi1: -1 47 wait -
12 100158 intr swi1: -1 47 wait -
12 100159 intr swi1: -1 47 wait -
12 100160 intr swi1: -1 47 wait -
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