On 2026-03-24, Mark <markbsdmail2023@gmail.com> wrote:
> Hello,
>
> I am operating a dedicated server configured as both a web and mail
> server. Earlier today, the system became completely unresponsive,
> including failure to respond to ICMP (ping) requests.
>
> I contacted the hosting provider and requested a reboot. Following the
> reboot, the server returned to normal operation.
>
> Upon reviewing the system logs, I identified the following entries
> from the previous night:
>
>
> Mar 24 03:17:18 mail /bsd: re0: watchdog timeout
you get this if the nic hangs but there's not enough information to
guess at why that might have happened.
> Mar 24 03:17:22 mail dhcpleased[99738]: bpf_send_packet: writev: No
> buffer space available
this would be expected if it keeps on transmitting while the nic is
wedged.
dmesg & information about what the system was doing at the time
& anything unusual about network configuration might give some clues.
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