broken re(4)

[Pyun YongHyeon]

On Tue, Jun 10, 2008 at 09:26:44PM +0200, Daniele Bastianini wrote:
 > 
 > Il giorno 27/mag/08, alle ore 16:52, Gerrit K?hn ha scritto:
 > 
 > >Hi folks,
 > >
 > >I have four identical ITX boards from Jetway here, each having two  
 > >re(4)
 > >onboard nics:
 > >
 > >re0 at pci0:0:9:0: class=0x020000 card=0x10ec16f3 chip=0x816710ec  
 > >rev=0x10
 > >hdr=0x00 vendor     = 'Realtek Semiconductor'
 > >    device     = 'RTL8169/8110 Family Gigabit Ethernet NIC'
 > >    class      = network
 > >    subclass   = ethernet
 > >re1 at pci0:0:11:0:        class=0x020000 card=0x10ec16f3 chip=0x816710ec
 > >rev=0x10 hdr=0x00 vendor     = 'Realtek Semiconductor'
 > >    device     = 'RTL8169/8110 Family Gigabit Ethernet NIC'
 > >    class      = network
 > >    subclass   = ethernet
 > >atapci0 at pci0:0:15:0:    class=0x01018f card=0x31491106 chip=0x31491106
 > >rev=0x80
 > >
 > >
 > >I run FreeBSD 7-stable from early March 08 on three of these
 > >machines and noticed no problems with networking with that so far.
 > >Some days ago I installed a fourth machine with 7-stable from early  
 > >May
 > >(and some days later -because of the problems described below- to May
 > >17th). With this new machine I see several networking problems. The  
 > >most
 > >prominent are these two:
 > >
 > >- heavy networking traffic (in this case backup via tar & NFS)  
 > >causes hangs
 > >for about 10s-30s and sometimes also leads to watchdog timeouts:
 > >May 27 09:04:07 protoserve kernel: re0: watchdog timeout
 > >May 27 09:04:07 protoserve kernel: re0: link state changed to DOWN
 > >May 27 09:04:10 protoserve kernel: re0: link state changed to UP
 > >
 > >- copying large files (more than some 100MB) via ssh/scp drops the
 > >connection due to "corrupted MAC on input":
 > >Disconnecting: Corrupted MAC on input.
 > >lost connection
 > 
 > I had the same problem.
 > I fixed it (for now) making a buildworld with
 > *default date=2008.03.01.00.00.00 in my src csup configuration.
 > 
 > I'm not so skilled to investigate in the sources but the problem is  
 > after this date.
 > 

I guess you're using RELENG_7. Would you try a WIP in the following
URL?

http://people.freebsd.org/~yongari/re/re.HEAD.20080610
Please also make sure to post dmesg output related with re(4).

-- 
Regards,
Pyun YongHyeon