Latest interface: beta10
Latest system: 11.0-002
amun
User

8 posts

Posted on 16 January 2013 @ 03:28
Running ZFSguru:
Running official system image 9.1-004 featuring FreeBSD 9.1-RC3 with ZFS v28.

re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F PCIe Gigabit Ethernet> port 0xe000-0xe0ff mem 0xd0004000-0xd0004fff,0xd0000000-0xd0003fff irq 17 at device 0.0 on pci3
re0: Using 1 MSI-X message
re0: Chip rev. 0x48000000
re0: MAC rev. 0x00000000
miibus0: <MII bus> on re0
rgephy0: <RTL8169S/8110S/8211 1000BASE-T media interface> PHY 1 on miibus0
rgephy0: none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX, 100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT-FDX, 1000baseT-FDX-master, 1000baseT-FDX-flow, 1000baseT-FDX-flow-master, auto, auto-flow
re0: Ethernet address: 30:85:a9:40:f6:58

With network speeds above 80MB/s the network fails!

re0: watchdog timeout
re0: link state changed to DOWN
re0: link state changed to UP

After some time the network fails totally. Only option is reboot.
There are more reports of it on the internet but no solution to fix the problem.
aaront
User

64 posts

Posted on 23 January 2013 @ 12:03
shot in the dark: turning off autospeed has helped my realteks be much more reliable. here is what I add to my rc.conf
ifconfig_re0=" inet 10.10.100.3 netmask 255.255.255.0 media 1000baseT mediaopt full-duplex mtu 1500"
pdonovan
User

76 posts

Posted on 24 January 2013 @ 22:28
Hmm, when I first read this I thought 'I've never seen this'.

But having tuned my ZFS on system image 9.1-004 using the tuning page (despite the page saying it's not needed on FreeBSD 9, it certainly is because I get vastly better Appleshare performance, similar to my earlier zfsguru installation...), I've seen a few instances where my NAS has dropped off the network. It's headless so I haven't been able to see what's up, but it shuts down nicely when I flick the reset button so I assume it hasn't paniced.

I wonder if this is what I have too? I will try aaront's suggestion.
amun
User

8 posts

Posted on 25 January 2013 @ 03:39edited 3 February 2013 @ 05:13
aaront wrote: shot in the dark: turning off autospeed has helped my realteks be much more reliable. here is what I add to my rc.conf
ifconfig_re0=" inet 10.10.100.3 netmask 255.255.255.0 media 1000baseT mediaopt full-duplex mtu 1500"

Lets give it a try :)

2013-02-03
Till now no problems anymore! Seems Problem Fixed ;)
pdonovan
User

76 posts

Posted on 8 February 2013 @ 20:41
I still my NAS drop off the network after forcing the connection speed, but looking at the logs on the next reboot I can't see any evidence of a timeout so I think I'm encountering a different issue.

On another Realtek note - try turning on polling - 'ifconfig re0 polling'. I can get about 980Mb/s between my Atom D525 NAS and a recent iMac. I was getting about 800 before. I also use an MTU of 9000 - it literally doubles my transfer rate!
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