Re: em driver, 82574L chip, and possibly ASPM

2011-07-06 Thread Hooman Fazaeli
Can you pls. share the patch for freebsd 7? On 2/7/2011 3:23 AM, Mike Tancsa wrote: So far so good. I would often get a hang on the level zero dumps to my backup server Sunday AM, and it made it through! So a good sign, but not a definitive sign. I have a PCIe em card that has this chipset as

Re: em driver, 82574L chip, and possibly ASPM

2011-07-06 Thread Mike Tancsa
On 7/6/2011 4:29 AM, Hooman Fazaeli wrote: > Can you pls. share the patch for freebsd 7? Its in the tree. http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/e1000/ ---Mike -- --- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, m...@sentex.net Providing Internet

Re: amd + NFS reconnect = ICMP storm + unkillable process.

2011-07-06 Thread Martin Birgmeier
Hi Artem, I have exactly the same problem as you are describing below, also with quite a number of amd mounts. In addition to the scenario you describe, another way this happens here is when downloading a file via firefox to a directory currently open in dolphin (KDE file manager). This will alm

Re: ixgbe> vlan addition and removal brings the interfaces down and up

2011-07-06 Thread Igor Anishchuk
Hi Jack, many thanks for your work. I'm still interested in hearing back from you. Is there anything I can do to help? Also I would not mind losing hardware VLAN assistance should it be the only way. BTW, what about MAC addresses? Is the card reset when a MAC address changed? Thanks! Igor On

Fwd: kern/156978: [lagg][patch] Take lagg rlock before checking flags

2011-07-06 Thread Andrew Boyer
Can someone please review this and check in the patch? (And MFC it to stable/8?) Thank you, Andrew Begin forwarded message: > From: lini...@freebsd.org > Date: May 12, 2011 10:36:26 AM EDT > To: lini...@freebsd.org, freebsd-b...@freebsd.org, freebsd-net@FreeBSD.org > Subject: Re: kern/156978

ipfw + 2 LANs

2011-07-06 Thread Marek Salwerowicz
Hi all, I have two separate LANs (one 10.0.1.0/24 and the other 10.0.2.0/24). Both are connected to FreeBSD 8.2 router (ifaces em1 and em2). To em0 I have my ISP (10.0.0.0/24) connected. The idea is to share the Internet connection to both networks, and block any traffic between them. I was tr

Re: ipfw + 2 LANs

2011-07-06 Thread Chuck Swiger
On Jul 6, 2011, at 11:01 AM, Marek Salwerowicz wrote: > The idea is to share the Internet connection to both networks, and block any > traffic between them. > > I was trying to set up the firewall like this: > > #!/bin/sh > > cmd="ipfw -q" > > $cmd flush > > $cmd add 50 check-state > > $cmd

how to get "max # of mbufs in a packet" from xn to the tcp stack?

2011-07-06 Thread Colin Percival
Hi all, I've attached a patch which fixes the "nfrags > 18, netback won't be able to handle it" problem with xen netfront when TSO is enabled. It's not finished, though: + int max_mbuf_chain_len = 16;/* XXX Set this based on interface? */ I'm not sure what the right way is to feed a va

Re: kern/158686: [patch] [tap] Add VIMAGE support to if_tap

2011-07-06 Thread linimon
Old Synopsis: [PATCH] [if_tap] Add VIMAGE support to if_tap New Synopsis: [patch] [tap] Add VIMAGE support to if_tap Responsible-Changed-From-To: freebsd-bugs->freebsd-net Responsible-Changed-By: linimon Responsible-Changed-When: Wed Jul 6 19:19:24 UTC 2011 Responsible-Changed-Why: Over to mainta

Re: bce packet loss

2011-07-06 Thread Kevin Oberman
On Jul 5, 2011 4:49 PM, "Chuck Swiger" wrote: > > On Jul 4, 2011, at 6:32 PM, Charles Sprickman wrote: > > We're running a few 8.1-R servers with Broadcom bce interfaces (Dell R510) and I'm seeing occasional packet loss on them (enough that it trips nagios now and then). Cabling seems fine as nei

Re: bce packet loss

2011-07-06 Thread Chuck Swiger
On Jul 6, 2011, at 12:27 PM, Kevin Oberman wrote: > 1 in 10**6? That is totally excessive. It's high for a switched LAN, but I'd imagine you remember collision rates on hubs, which might well exceed 1% of the packets when the network is under load. > The Ethernet spec requires no worse than 10**

Re: bce packet loss

2011-07-06 Thread YongHyeon PYUN
On Mon, Jul 04, 2011 at 09:32:11PM -0400, Charles Sprickman wrote: > Hello, > > We're running a few 8.1-R servers with Broadcom bce interfaces (Dell R510) > and I'm seeing occasional packet loss on them (enough that it trips nagios > now and then). Cabling seems fine as neither the switch nor t

Re: bce packet loss

2011-07-06 Thread YongHyeon PYUN
On Wed, Jul 06, 2011 at 02:28:19PM -0700, David Christensen wrote: > > You had 282 RX buffer shortages and these frames were dropped. This > > may explain why you see occasional packet loss. 'netstat -m' will > > show which size of cluster allocation were failed. > > However it seems you have 0 com

RE: bce packet loss

2011-07-06 Thread David Christensen
> You had 282 RX buffer shortages and these frames were dropped. This > may explain why you see occasional packet loss. 'netstat -m' will > show which size of cluster allocation were failed. > However it seems you have 0 com_no_buffers which indicates > controller was able to receive all packets de

RE: bce packet loss

2011-07-06 Thread David Christensen
> > > Data sheet says IfHCInBadOctets indicates number of octets received > > > on the interface, including framing characters for packets that > > > were dropped in the MAC for any reason. > > > > The IfHcInBadOctets counter says the controller received X bytes > > that were bad on the wire (colli

Re: kern/158635: [em] TSO breaks BPF packet captures with em driver

2011-07-06 Thread linimon
Old Synopsis: TSO breaks BPF packet captures with em driver New Synopsis: [em] TSO breaks BPF packet captures with em driver Responsible-Changed-From-To: freebsd-bugs->freebsd-net Responsible-Changed-By: linimon Responsible-Changed-When: Wed Jul 6 21:53:02 UTC 2011 Responsible-Changed-Why: Over t

Re: bce packet loss

2011-07-06 Thread YongHyeon PYUN
On Wed, Jul 06, 2011 at 02:47:24PM -0700, David Christensen wrote: > > > > Data sheet says IfHCInBadOctets indicates number of octets received > > > > on the interface, including framing characters for packets that > > > > were dropped in the MAC for any reason. > > > > > > The IfHcInBadOctets coun

Any experiences with lagg and ixgbe

2011-07-06 Thread Jack Vogel
Have a customer reporting problems with ixgbe, but investigation has suggested that lagg is the real issue, or the two combined. If anyone out there is using the ixgbe driver with lagg I'd like to hear from you. Thanks all, Jack ___ freebsd-net@freebsd.

Re: bce packet loss

2011-07-06 Thread Kevin Oberman
On Wed, Jul 6, 2011 at 1:04 PM, Chuck Swiger wrote: > On Jul 6, 2011, at 12:27 PM, Kevin Oberman wrote: >> 1 in 10**6? That is totally excessive. > > It's high for a switched LAN, but I'd imagine you remember collision rates on > hubs, which might well exceed 1% of the packets when the network is

Re: kern/158694: [ix] [lagg] ix0 is not working within lagg(4)

2011-07-06 Thread linimon
Old Synopsis: ix0 is not working within lagg(4) New Synopsis: [ix] [lagg] ix0 is not working within lagg(4) Responsible-Changed-From-To: freebsd-amd64->freebsd-net Responsible-Changed-By: linimon Responsible-Changed-When: Thu Jul 7 02:29:04 UTC 2011 Responsible-Changed-Why: reclassify. http://ww

Re: bce packet loss

2011-07-06 Thread Charles Sprickman
More inline, including a bigger picture of what I'm seeing on some other hosts, but I wanted to thank everyone for all the fascinating ethernet BER info and the final explanation of what the "IfHCInBadOctets" counter represents. Interesting stuff. On Wed, 6 Jul 2011, YongHyeon PYUN wrote: O