[Bug 271759] if_ure(4) panic: unaligned access

From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 05 Aug 2023 22:42:30 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271759

--- Comment #35 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Mark Millard from comment #34)

Hmm. Getting the problem on the built-in Ethernet did not
involve if_ure from what I can tell, looking at the dmsg -a
output:

. . .
awg0: <Allwinner Gigabit Ethernet> mem 0x1c30000-0x1c3ffff irq 27 on simplebus0
miibus0: <MII bus> on awg0
rgephy0: <RTL8169S/8110S/8211 1000BASE-T media interface> PHY 0 on miibus0
rgephy0:  none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX,
100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT, 1000baseT-master, 1000baseT-FDX,
1000baseT-FDX-master, 1000baseT-FDX-flow, 1000baseT-FDX-flow-master, auto,
auto-flow
rgephy1: <RTL8169S/8110S/8211 1000BASE-T media interface> PHY 1 on miibus0
rgephy1:  none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX,
100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT, 1000baseT-master, 1000baseT-FDX,
1000baseT-FDX-master, 1000baseT-FDX-flow, 1000baseT-FDX-flow-master, auto,
auto-flow
. . .
Autoloading module: if_ure
ure0 on uhub6
ure0: <Realtek USB 10/100/1000 LAN, class 0/0, rev 2.10/30.00, addr 2> on
usbus7
miibus1: <MII bus> on ure0
rgephy2: <RTL8251/8153 1000BASE-T media interface> PHY 0 on miibus1
rgephy2:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT-FDX,
1000baseT-FDX-master, auto
ue0: <USB Ethernet> on ure0

if_ure would only be involved with the dongle (ure0), for which no
Ethernet cable was attached.

So I'm unsure if what I've reported for the OrangePi+2Ed context overall
is:

A) An independent problem.
vs.
B) Evidence that the original problem involves more than just potential
  if_ure issues.

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