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Date:      Thu, 30 Mar 2023 19:08:28 +0200
From:      Goran =?utf-8?B?TWVracSH?= <meka@tilda.center>
To:        freebsd-current@freebsd.org
Subject:   Kernel panic on jail start
Message-ID:  <20230330170828.442jpwilq3q47lis@tilda.center>

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Hello,

I get the kernel panic when starting jail. With git bisect I found out
the offending commit is 0b56641cfcda30d06243223f37781ccc18455bef. After
reverting it, everything is back to normal. For completeness, this is my
jail.conf:

network {
  $id = 1;
  $base = /var/jails;
  persist;
  vnet;
  path = "${base}/${name}";
  mount.devfs;
  host.domainname = "example.com";
  host.hostname = "${name}.${host.domainname}";
  vnet.interface = "epair${id}b";
  devfs_ruleset = 8;
  allow.raw_sockets;

  mount += "/var/run/reggae ${path}/var/run/reggae nullfs ro 0 0";

  exec.prepare  = "[ ! -e ${path}/var/run/reggae ] && mkdir ${path}/var/run/reggae || true";
  exec.prepare += "ifconfig epair${id}a && ifconfig epair${id}a destroy || true";
  exec.prestart  = "ifconfig epair${id} create up group $(echo ${name} | cut -b 1-15) || (ifconfig epair${id}a destroy && false)";
  exec.prestart += "ifconfig jails addm epair${id}a";
  exec.start  = "echo ifconfig_${vnet.interface}_name=\\"eth0\\" >/etc/rc.conf.d/network";
  exec.start += "/bin/sh /etc/rc";
  exec.stop = "/bin/sh /etc/rc.shutdown";
  exec.poststop = "ifconfig epair${id}a destroy";
  exec.clean;
  exec.consolelog = "/var/log/jails/${host.hostname}";
}

The jail root is created with bsdinstall disinstall/distfetch and
14-CURRENT.

Regards,
meka

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