[Bug 166724] if_re(4): watchdog timeout

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=166724

Petre Rodan <petre.rodan@subdimension.ro> changed:

           What    |Removed                     |Added
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                 CC|                            |petre.rodan@subdimension.ro

--- Comment #124 from Petre Rodan <petre.rodan@subdimension.ro> ---

I had the same 're0: watchdog timeout' bug on my Gigabyte B450 AORUS M
motherboard (bios F67c). I simply could not log into FreeBSD (14.1 and 14.2)
since the network service kept being restarted due to re0 getting stuck with
the above mentioned error.

this was 100% reproducible on my triple boot system:

start windows 10
powerdown
powerup, start FreeBSD
reo: watchdog timeout

in order to get rid of the error I had to either completely unplug the power
cord from the system before starting FreeBSD or booting into Linux first.

Today I found that a better solution is to install net/realtek-re-kmod and
disabling the rx/tx offloading via

ifconfig_re0="DHCP -rxcsum -txcsum -rxcsum6 -txcsum6"

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