[Bug 270859] dmesg message: mce0: a looped back NS message is detected during DAD

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 23 May 2023 13:38:24 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270859

--- Comment #10 from Dmitry Wagin <dmitry.wagin@ya.ru> ---
How to reproduce:


Add to rc.conf:
iovctl_files="/etc/iov/mlx5_core0.conf"


/etc/iov/mlx5_core0.conf:
PF {
     device: "mlx5_core0";
     num_vfs: 8;
}

DEFAULT {
     passthrough: true;
}


network configuration:
kldload carp
ifconfig mce0 inet 192.168.1.4/24 up
ifconfig mce0 inet 192.168.1.70/32 alias vhid 70 advskew 100 pass qweasdzxc


cat /var/log/messages:
<6>1 2023-05-23T13:26:04.687203+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:04.687235+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:04.687252+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:08.011085+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:08.011138+00:00 alpha04 kernel - - - carp: demoted by 0
to 240 (send ok on mce1)
<6>1 2023-05-23T13:26:08.011155+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:08.011170+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:11.472389+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:11.472413+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:11.472429+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:14.882832+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:14.882851+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:14.882867+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:18.218221+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:18.218277+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:18.218297+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:21.854674+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:21.854703+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:21.854719+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:25.090216+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:25.090243+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:25.090260+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:28.653214+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:28.653268+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:28.653285+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:32.000848+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:32.000877+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:32.000892+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:35.547204+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:35.547264+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:35.547282+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:39.083242+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:39.083267+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:39.083282+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:42.719677+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:42.719724+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:42.719741+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:45.955221+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:45.955249+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:45.955267+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:49.616084+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)
<6>1 2023-05-23T13:26:49.616112+00:00 alpha04 kernel - - - carp: 70@mce1:
MASTER -> BACKUP (more frequent advertisement received)
<6>1 2023-05-23T13:26:49.616128+00:00 alpha04 kernel - - - in_scrubprefix:
err=65, prefix delete failed
<6>1 2023-05-23T13:26:52.989472+00:00 alpha04 kernel - - - carp: 70@mce1:
BACKUP -> MASTER (master timed out)

-- 
You are receiving this mail because:
You are the assignee for the bug.