Re: LAN ure interface problem

From: Hans Petter Selasky <hps_at_selasky.org>
Date: Fri, 22 Oct 2021 21:06:18 UTC
On 10/22/21 16:00, Ludovit Koren wrote:
> 
> Hi,
> 
> I have installed FreeBSD 14.0-CURRENT #1 main-n250134-225639e7db6-dirty
> on my notebook HP EliteBook 830 G7 and I am using RealTek usb LAN
> interface:
> 
> ure0 on uhub0
> ure0: <Realtek USB 10/100/1000 LAN, class 0/0, rev 3.00/30.00, addr 1> on usbus1
> miibus0: <MII bus> on ure0
> rgephy0: <RTL8251/8153 1000BASE-T media interface> PHY 0 on miibus0
> rgephy0: OUI 0x00e04c, model 0x0000, rev. 0
> rgephy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT-FDX, 1000baseT-FDX-master, auto
> ue0: <USB Ethernet> on ure0
> ue0: bpf attached
> ue0: Ethernet address: 00:e0:4c:68:04:20
> 
> 
> When there is bigger load on the interface, for example rsync of the big
> directory, the carrier is lost. The only solution I found is to remove
> and insert the usb interface; ifconfig ue0 down, ifconfig ue0 up did not
> help. The output of the ifconfig:
> 
> ue0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>          options=68009b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
>          ether 00:e0:4c:68:04:20
>          inet 192.168.1.18 netmask 0xffffff00 broadcast 192.168.1.255
>          media: Ethernet autoselect (100baseTX <full-duplex>)
>          status: active
>          nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> 
> I do not know and did not find anything relevant, if the driver is buggy
> or the hardware has some problems. Please, advice.
> 
> Regards,
> 

Not the same device, but similar issue:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258057

--HPS