Bruno de Paula Larini <bruno.larini@xxxxxxxxxxxxxx> wrote: > Hi, > While testing my iptables ruleset on a Fedora 36, I've encountered an > unexpected behaviour regarding FTP connection forwarding. > I've reduced the ruleset to look like below. > I've tried to "modprobe nf_conntrack_ftp" alone, but external clients still > won't get data connections. > Then I "modprobe nf_nat_ftp". It loads normally but after the first attempt > to establish an FTP connection, the system freezes and sometimes prints the > following message: > > Message from syslogd@fw1-test at Sep 20 09:33:28 ... > kernel:watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [swapper/1:0] Thats all? No backtrace?
