Re: Performance of PPPOE in FreeBSD

2021-09-20 Thread Julien Cigar
00% CPU, I strongly suggest to switch to mpd5 (which use < 1% CPU on the same hardware) > I have also found some mentions of net/mpd5, is this a better > implementation? > yes! mpd5 is almost mandatory nowadays for PPPOE > > > Thanks > > Dries > -- Julien Cig

Re: CARP with epair

2020-11-10 Thread Julien Cigar
On Mon, Nov 09, 2020 at 05:55:05PM -0800, John-Mark Gurney wrote: > Julien Cigar wrote this message on Mon, Nov 09, 2020 at 15:33 +0100: > > Hello, > > > > I've setup a VNET jail (with epair and bridge) with a floating ip (vhid) > > on the "b" side of t

CARP with epair

2020-11-09 Thread Julien Cigar
with epair? Thanks, Julien -- Julien Cigar Belgian Biodiversity Platform (http://www.biodiversity.be) PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23C0 No trees were killed in the creation of this message. However, many electrons were ter

Re: CARP over VLAN over LAGG

2020-09-08 Thread Julien Cigar
On Tue, Sep 01, 2020 at 10:13:23AM +0200, Julien Cigar wrote: > On Mon, Aug 31, 2020 at 01:55:52PM +0200, Michael Gmelin wrote: > > > > > > > On 31. Aug 2020, at 10:37, Julien Cigar wrote: > > > > > > On Fri, Aug 28, 2020 at 04:52:01PM +0200, Julien C

Re: CARP over VLAN over LAGG

2020-09-01 Thread Julien Cigar
On Mon, Aug 31, 2020 at 01:55:52PM +0200, Michael Gmelin wrote: > > > > On 31. Aug 2020, at 10:37, Julien Cigar wrote: > > > > On Fri, Aug 28, 2020 at 04:52:01PM +0200, Julien Cigar wrote: > >> Hello, > >> > >> I have a "highly availabl

Re: CARP over VLAN over LAGG

2020-08-31 Thread Julien Cigar
On Fri, Aug 28, 2020 at 04:52:01PM +0200, Julien Cigar wrote: > Hello, > > I have a "highly available" router/firewall with the following > configuration (1). Those are plugged in two 2930F (with VSF) using LACP. > It works well, except that I have some weird issues

CARP over VLAN over LAGG

2020-08-28 Thread Julien Cigar
g a slower master) I guess this is because it takes some time for lagg/lacp to converge and thus carp thinks that there is a problematic condition as it experiences problems with sending announcements.. What it the best way to handle this? Thanks, Julien (1) https://gis

Re: CARP and NAT question

2019-10-10 Thread Julien Cigar
On Wed, Oct 09, 2019 at 12:50:49PM -0700, Julian Elischer wrote: > On 10/9/19 2:34 AM, Julien Cigar wrote: > > On Tue, Oct 08, 2019 at 01:05:37PM -0700, Julian Elischer wrote: > >> On 10/8/19 8:58 AM, Julien Cigar wrote: > >>> On Tue, Oct 08, 2019 at 10:20:34

Re: CARP and NAT question

2019-10-10 Thread Julien Cigar
On Wed, Oct 09, 2019 at 01:41:40PM -0500, Matthew Grooms wrote: > On 10/9/2019 4:10 AM, Julien Cigar wrote: > > On Tue, Oct 08, 2019 at 11:22:51AM -0500, Matthew Grooms wrote: > >> On 10/8/2019 10:58 AM, Julien Cigar wrote: > >>> On Tue, Oct 08, 2019 at 10:20:34

Re: CARP and NAT question

2019-10-09 Thread Julien Cigar
On Tue, Oct 08, 2019 at 01:05:37PM -0700, Julian Elischer wrote: > On 10/8/19 8:58 AM, Julien Cigar wrote: > > On Tue, Oct 08, 2019 at 10:20:34AM -0500, Matthew Grooms wrote: > >> Hi Julien, > > Hi Matthew, > > > >> It's not clear why you are trying to

Re: CARP and NAT question

2019-10-09 Thread Julien Cigar
On Tue, Oct 08, 2019 at 11:22:51AM -0500, Matthew Grooms wrote: > On 10/8/2019 10:58 AM, Julien Cigar wrote: > > On Tue, Oct 08, 2019 at 10:20:34AM -0500, Matthew Grooms wrote: > >> Hi Julien, > > Hi Matthew, > > > >> It's not clear why you are trying to

Re: CARP and NAT question

2019-10-08 Thread Julien Cigar
On Tue, Oct 08, 2019 at 10:20:34AM -0500, Matthew Grooms wrote: > Hi Julien, Hi Matthew, > > It's not clear why you are trying to assign multiple carp IP address to > two different interfaces from within the same IP subnet. Are you trying > to fail over a 2nd carp address

CARP and NAT question

2019-10-08 Thread Julien Cigar
h the following: (1) which works well, but all traffic goes through the same interface. So I'd like to switch to something like (2), which will not work (lines 5 and 13 are not valid) and I'm wondering if I could use something like (3) ..? Thank you! Julien (1) https://gist.gith

Re: mlx4en, timer irq @100%... (11.0 stuck on high network load ???)

2017-09-07 Thread Julien Charbon
Hi Ben, On 8/31/17 12:04 PM, Ben RUBSON wrote: >> On 28 Aug 2017, at 11:27, Julien Charbon wrote: >> >> On 8/28/17 10:25 AM, Ben RUBSON wrote: >>>> On 16 Aug 2017, at 11:02, Ben RUBSON wrote: >>>> >>>>> On 15 Aug 2017, at 23:33, Ju

Re: mlx4en, timer irq @100%... (11.0 stuck on high network load ???)

2017-08-28 Thread Julien Charbon
Hi Ben, On 8/28/17 10:25 AM, Ben RUBSON wrote: >> On 16 Aug 2017, at 11:02, Ben RUBSON wrote: >> >>> On 15 Aug 2017, at 23:33, Julien Charbon wrote: >>> >>> On 8/11/17 11:32 AM, Ben RUBSON wrote: >>>>> On 08 Aug 2017, at 13:33, Julie

Re: mlx4en, timer irq @100%... (11.0 stuck on high network load ???)

2017-08-15 Thread Julien Charbon
Hi Ben, On 8/11/17 11:32 AM, Ben RUBSON wrote: >> On 08 Aug 2017, at 13:33, Julien Charbon wrote: >> >> On 8/8/17 10:31 AM, Hans Petter Selasky wrote: >>> >>> Suggested fix attached. >> >> I agree we your conclusion. Just for the record, more

Re: mlx4en, timer irq @100%... (11.0 stuck on high network load ???)

2017-08-08 Thread Julien Charbon
or 1) still helding extra reference on it. The thread tries to do smth with a disconnected pcb and crashes. Submitted by: emeric.pou...@stormshield.eu Reviewed by:gleb@ MFC after: 1 week Sponsored by: Stormshield Tested by: Cassiano Peixoto, Stormshield Notes:

Re: mbuf_jumbo_9k & iSCSI failing

2017-06-26 Thread Julien Cigar
M, running 10.3. Problem usually happens within 30 days with 9k jumbo clusters allocation failure. > > -- > WBR, Andrey V. Elsukov > -- Julien Cigar Belgian Biodiversity Platform (http://www.biodiversity.be) PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23

Re: VLAN + CARP ?

2017-02-28 Thread Julien Cigar
On Mon, Feb 27, 2017 at 03:37:14PM -0800, Freddie Cash wrote: > On Mon, Feb 27, 2017 at 3:16 PM, Julien Cigar wrote: > > > > I wondered if it is possible to use CARP with VLAN interfaces? > > > > ​Yes, CARP-over-vLAN works well. Used just such a setup at work for a

VLAN + CARP ?

2017-02-27 Thread Julien Cigar
8.1.253/24" ifconfig_em0_netb="inet 10.209.1.253/24" ifconfig_em0_neta_alias0="inet vhid 3 advskew 10 pass xx alias 192.168.2.254/32" ifconfig_em0_netb_alias0="inet vhid 4 advskew 10 pass xx alias 10.209.1.254/32" === Thanks! Julien -- Julie

Re: listening sockets as non sockets

2017-02-21 Thread Julien Charbon
s/FreeBSD/commit/3a52df429889ea9c6e61013f6913aad95939f159 > > The current 'solisten' branch at https://github.com/glebius/FreeBSD has > been running successfully for 48 hours at Netflix. But as mentioned before, > our connection rate is pretty low. > > So, testi

Re: carp and subnets

2017-02-14 Thread Julien Cigar
On Tue, Feb 14, 2017 at 09:03:00AM -0800, Freddie Cash wrote: > On Tue, Feb 14, 2017 at 7:41 AM, Julien Cigar wrote: > > > Hello, > > > > I have a redundant router/firewall with CARP and PF/PFSync with the > > following configuration (simplified for ex

carp and subnets

2017-02-14 Thread Julien Cigar
): ifconfig_em3="inet 192.168.88.2 netmask 255.255.255.0 -tso" ifconfig_em3_alias0="vhid 53 advskew 100 pass xx alias 1.2.208.90/32" (assuming that the switch is configured properly) - as the state table is synced between FW1 and FW2, is it possible to do some load-balancing on the

Re: listening sockets as non sockets

2017-01-27 Thread Julien Charbon
to look at potential race conditions related to ACCEPT_LOCK and SO_ACCEPTFILTER usage (even if I am more used to INP_INFO lock), but I can certainly provide performance numbers and lock contention metrics using our setup. Do you think it is the right time to start performance testing with your change? Or it is a bit premature? -- Julien signature.asc Description: OpenPGP digital signature

Re: FW: iSCSI failing, MLX rx_ring errors ?

2017-01-03 Thread Julien Cigar
goto fail; > > > > -Meny > ___ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" > ___ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" -- Julien Cigar Belgian Biodiversity Platform (http://www.biodiversity.be) PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23C0 No trees were killed in the creation of this message. However, many electrons were terribly inconvenienced. signature.asc Description: PGP signature

Re: TCP stack lock contention with short-lived connections

2016-11-21 Thread Julien Charbon
Hi, On 7/14/16 7:38 PM, Julien Charbon wrote: > On 6/28/16 12:06 PM, Julien Charbon wrote: >> On 12/7/15 4:36 PM, Julien Charbon wrote: >>> On 30/05/14 06:12, k simon wrote: >>>> Does any plan commit and MFC to the 10-stable ? >>> >>> I

Re: panic with tcp timers

2016-07-21 Thread Julien Charbon
Hi, On 7/14/16 11:02 PM, Larry Rosenman wrote: > On 2016-07-14 12:01, Julien Charbon wrote: >> On 6/20/16 11:55 AM, Julien Charbon wrote: >>> On 6/20/16 9:39 AM, Gleb Smirnoff wrote: >>>> On Fri, Jun 17, 2016 at 11:27:39AM +0200, Julien Charbon wrote: >>>

Re: panic with tcp timers

2016-07-14 Thread Julien Charbon
Hi, On 6/20/16 11:55 AM, Julien Charbon wrote: > On 6/20/16 9:39 AM, Gleb Smirnoff wrote: >> On Fri, Jun 17, 2016 at 11:27:39AM +0200, Julien Charbon wrote: >> J> > Comparing stable/10 and head, I see two changes that could >> J> > affect that: >> J

Re: TCP stack lock contention with short-lived connections

2016-07-14 Thread Julien Charbon
Hi, On 6/28/16 12:06 PM, Julien Charbon wrote: > On 12/7/15 4:36 PM, Julien Charbon wrote: >> On 30/05/14 06:12, k simon wrote: >>> Does any plan commit and MFC to the 10-stable ? >> >> I got a bit of interest of having the performance improvements for >&g

Re: TCP stack lock contention with short-lived connections

2016-06-28 Thread Julien Charbon
Hi -net, On 12/7/15 4:36 PM, Julien Charbon wrote: > On 30/05/14 06:12, k simon wrote: >> Does any plan commit and MFC to the 10-stable ? > > I got a bit of interest of having the performance improvements for > short-lived TCP connections in 10-stable. Just to share the c

Re: panic with tcp timers

2016-06-28 Thread Julien Charbon
his solution is also step backward in modernization of TCP timers/callout... https://svnweb.freebsd.org/base/stable/10/sys/netinet/tcp_timer.c?r1=284261&r2=284260&pathrev=284261 Hopefully my description is clear enough... -- Julien signature.asc Description: OpenPGP digital signature

Re: panic with tcp timers

2016-06-20 Thread Julien Charbon
Hi, On 6/20/16 11:58 AM, Gleb Smirnoff wrote: > On Mon, Jun 20, 2016 at 11:55:55AM +0200, Julien Charbon wrote: > J> > On Fri, Jun 17, 2016 at 11:27:39AM +0200, Julien Charbon wrote: > J> > J> > Comparing stable/10 and head, I see two changes that could > J> >

Re: panic with tcp timers

2016-06-20 Thread Julien Charbon
ed list. As soon as RCU (or anything equivalent like lwref) are supported in kernel, we will implement this change. Just history here, as I already did a presentation on this exact topic at BSDCan 2015: https://wiki.freebsd.org/201506DevSummit#line-83 It was recorded but I never saw the footage/presentation actually published. :) -- Julien signature.asc Description: OpenPGP digital signature

Re: panic with tcp timers

2016-06-20 Thread Julien Charbon
Hi, On 6/20/16 9:39 AM, Gleb Smirnoff wrote: > On Fri, Jun 17, 2016 at 11:27:39AM +0200, Julien Charbon wrote: > J> > Comparing stable/10 and head, I see two changes that could > J> > affect that: > J> > > J> > - callout_async_drain > J> > - sw

Re: panic with tcp timers

2016-06-17 Thread Julien Charbon
a use after free, which conflicts with new allocation. > > Comparing stable/10 and head, I see two changes that could > affect that: > > - callout_async_drain > - switch to READ lock for inp info in tcp timers > > That's why you are in To, Julien and Hans :) > &g

Re: TCP stack lock contention with short-lived connections

2015-12-07 Thread Julien Charbon
ese changes also improve performances (in top of our specific DNS over TCP traffic) before starting to MFC in 10-stable. - Currently all (few) concerned users I am aware of are happily using 11-CURRENT. Of course, all these improvements will be available by default in 11.0.0 anyway. -- Jul

Re: Can tcp_close() be called in INP_TIMEWAIT case

2015-09-28 Thread Julien Charbon
Hi Hiren, On 26/09/15 00:46, hiren panchasara wrote: > On 09/25/15 at 09:42P, John Baldwin wrote: >> On Thursday, September 24, 2015 02:13:24 PM Julien Charbon wrote: >>> So the issue is: >>> >>> - tcp_close() is called for some reasons with an inp in

Re: Can tcp_close() be called in INP_TIMEWAIT case

2015-09-28 Thread Julien Charbon
Hi John, On 25/09/15 18:42, John Baldwin wrote: > On Thursday, September 24, 2015 02:13:24 PM Julien Charbon wrote: >> So the issue is: >> >> - tcp_close() is called for some reasons with an inp in INP_TIMEWAIT >> state and sets the INP_DROPPED flag, >> - tcp

panic: sbsndptr: sockbuf and mbuf clashing [was: Re: Kernel panics in tcp_twclose]

2015-09-28 Thread Julien Charbon
tely impossible but unlikely. That said you can add your own information to this old (July 2010) but still relevant bug report: [panic] 8.1-RELEASE/10.1-STABLE "panic: sbdrop" and "panic: sbsndptr: sockbuf _ and mbuf _ clashing" https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=148807 My 2 cents. -- Julien signature.asc Description: OpenPGP digital signature

Re: Kernel panics in tcp_twclose

2015-09-28 Thread Julien Charbon
Hi Palle, On 25/09/15 16:14, Palle Girgensohn wrote: >> 24 sep 2015 kl. 11:39 skrev Palle Girgensohn : >>> 24 sep 2015 kl. 09:57 skrev Julien Charbon : On >>> 24/09/15 09:03, Julien Charbon wrote: >>>> On 24/09/15 08:55, Palle Girgensohn wrote: >

Re: Can tcp_close() be called in INP_TIMEWAIT case

2015-09-24 Thread Julien Charbon
Hi -net, On 23/09/15 16:47, Julien Charbon wrote: > Thanks to Palle, I got access to the kernel dump. And the results is > more interesting than expected: Thus somehow the kernel reaches a state > in tcp_detach() where: > > INP_TIMEWAIT && INP_DROPPED &&a

Re: Kernel panics in tcp_twclose

2015-09-24 Thread Julien Charbon
Hi -net, On 24/09/15 09:03, Julien Charbon wrote: > On 24/09/15 08:55, Palle Girgensohn wrote: >>> 24 sep 2015 kl. 07:51 skrev Palle Girgensohn >>> : >>>> 24 sep 2015 kl. 00:05 skrev Palle Girgensohn >>>> : >>>>> 23 sep 2015 kl.

Re: Kernel panics in tcp_twclose

2015-09-24 Thread Julien Charbon
Hi Palle, On 24/09/15 08:55, Palle Girgensohn wrote: >> 24 sep 2015 kl. 07:51 skrev Palle Girgensohn >> : >>> 24 sep 2015 kl. 00:05 skrev Palle Girgensohn >>> : >>>> 23 sep 2015 kl. 20:32 skrev Julien Charbon : >>>> On 23/09/15 20:26, Palle

Re: Kernel panics in tcp_twclose

2015-09-23 Thread Julien Charbon
Hi, On 23/09/15 20:26, Palle Girgensohn wrote: >> 23 sep. 2015 kl. 20:01 skrev Julien Charbon : >> On 23/09/15 16:36, Palle Girgensohn wrote: >>>> 22 sep 2015 kl. 23:59 skrev Julien Charbon : On >>>> 22/09/15 22:58, Palle Girgensohn wrote: >>>&

Re: Kernel panics in tcp_twclose

2015-09-23 Thread Julien Charbon
Hi Palle, Hi George, On 23/09/15 16:36, Palle Girgensohn wrote: >> 22 sep 2015 kl. 23:59 skrev Julien Charbon : On >> 22/09/15 22:58, Palle Girgensohn wrote: >>>> 22 sep 2015 kl. 20:16 skrev Julien Charbon : >>>> On 22/09/15 18:49, Palle Girgensohn wrote

Can tcp_close() be called in INP_TIMEWAIT case [was: Re: Kernel panics in tcp_twclose]

2015-09-23 Thread Julien Charbon
Hi -net, On 22/09/15 23:59, Julien Charbon wrote: > On 22/09/15 22:58, Palle Girgensohn wrote: >>> 22 sep 2015 kl. 20:16 skrev Julien Charbon : >>> On 22/09/15 18:49, Palle Girgensohn wrote: >>>>> 22 sep 2015 kl. 18:46 skrev Palle Girgensohn >>>

Re: Kernel panics in tcp_twclose

2015-09-22 Thread Julien Charbon
Hi Palle, On 22/09/15 22:58, Palle Girgensohn wrote: >> 22 sep 2015 kl. 20:16 skrev Julien Charbon : >> On 22/09/15 18:49, Palle Girgensohn wrote: >>>> 22 sep 2015 kl. 18:46 skrev Palle Girgensohn >>>> : >>>>> 21 sep 2015 kl. 15:53 skrev Pal

Re: Kernel panics in tcp_twclose

2015-09-22 Thread Julien Charbon
Hi Palle, On 22/09/15 18:49, Palle Girgensohn wrote: >> 22 sep 2015 kl. 18:46 skrev Palle Girgensohn >> : >>> 21 sep 2015 kl. 15:53 skrev Palle Girgensohn >>> : >>>> 21 sep 2015 kl. 10:21 skrev Julien Charbon >>>> : On 18/09/15 18:06, Kons

Re: Kernel panics in tcp_twclose

2015-09-21 Thread Julien Charbon
Hi Palle, On 18/09/15 22:42, Palle Girgensohn wrote: >> 18 sep 2015 kl. 18:06 skrev Konstantin Belousov >> : >> >>> On Fri, Sep 18, 2015 at 03:56:25PM +0200, Julien Charbon wrote: >>> Hi Palle, >>> >>>> On 18/09/15 11:12, Palle Gir

Re: Kernel panics in tcp_twclose

2015-09-21 Thread Julien Charbon
Hi Konstantin, Hi Palle, On 18/09/15 18:06, Konstantin Belousov wrote: > On Fri, Sep 18, 2015 at 03:56:25PM +0200, Julien Charbon wrote: >> Hi Palle, >> >> On 18/09/15 11:12, Palle Girgensohn wrote: >>> We see daily panics on our production systems (web server

Re: Kernel panics in tcp_twclose

2015-09-18 Thread Julien Charbon
I won't go to far here as I am not expert enough in VIMAGE, but one question anyway: - Can you correlate this kernel panic to a particular event? Like for example a VIMAGE/VNET jail destruction. I will test that on my side on a 10.2 machine. -- Julien signature.asc Description: OpenPGP digital signature

Re: TCP stack lock contention with short-lived connections

2015-05-20 Thread Julien Charbon
On 20/05/15 16:57, Adrian Chadd wrote: > On 20 May 2015 at 06:27, Julien Charbon wrote: >> On 26/05/14 15:36, Julien Charbon wrote: >> [...] >> >> For people interested about this short-lived TCP connection scalability >> effort, you can subscribe to the rev

Re: TCP stack lock contention with short-lived connections

2015-05-20 Thread Julien Charbon
Hi, On 26/05/14 15:36, Julien Charbon wrote: > On 23/05/14 23:37, Navdeep Parhar wrote: >> On 05/23/14 13:52, Julien Charbon wrote: >>> On 23/05/14 14:06, Julien Charbon wrote: >>>> On 27/02/14 11:32, Julien Charbon wrote: >>>>> On 07/11/13 14:55

Re: MFC-ing TCP timer race condition fix

2015-05-15 Thread Julien Charbon
Hi, On 05/05/15 18:15, Julien Charbon wrote: > I was asked if it is possible to MFC r281599 in FreeBSD 10: > > --- > Fix an old and well-documented use-after-free race condition in > TCP timers: > - Add a reference from tcpcb to its inpcb > - Defer tcpcb deletion

MFC-ing TCP timer race condition fix

2015-05-05 Thread Julien Charbon
ease scream. Without nice yelps I plan to "MFC after: 1 month" (around May 16th). Thanks. -- Julien signature.asc Description: OpenPGP digital signature

MFC-ing

2015-05-05 Thread Julien Charbon
" (around May 16th). Thanks. -- Julien signature.asc Description: OpenPGP digital signature

[Differential] [Changed Subscribers] D1438: FreeBSD callout rewrite and cleanup

2015-04-16 Thread jch (Julien Charbon)
jch added a subscriber: jch. REVISION DETAIL https://reviews.freebsd.org/D1438 To: hselasky, jhb, adrian, markj, emaste, sbruno, imp, lstewart, rwatson, gnn, rrs, kostikbel, delphij, neel, erj, mat, remkolodder, bcr, brueffer, brd, allanjude, wblock Cc: jch, wblock, freebsd-net __

Re: VIMAGE UDP memory leak fix

2015-03-25 Thread Julien Charbon
did manage to reproduce it at one stage, and >>> left the counter in to see if we could spot it in production, and >>> I have had (multiple) reports of it in deployed systems. I'm not >>> sure it's worth trying to reproduce them, given that knowledge -- >>&g

[Differential] [Accepted] D1982: Fix return errors in tcp_usrreq.c

2015-03-03 Thread jch (Julien Charbon)
jch accepted this revision. This revision is now accepted and ready to land. REVISION DETAIL https://reviews.freebsd.org/D1982 To: harrison.grundy-astrodoggroup.com, gnn, adrian, glebius, jch Cc: glebius, freebsd-net ___ freebsd-net@freebsd.org mailin

[Differential] [Accepted] D1982: Fix return errors in tcp_usrreq.c

2015-03-01 Thread jch (Julien Charbon)
jch accepted this revision. This revision is now accepted and ready to land. REVISION DETAIL https://reviews.freebsd.org/D1982 To: harrison.grundy-astrodoggroup.com, gnn, adrian, jch Cc: freebsd-net ___ freebsd-net@freebsd.org mailing list http://list

Re: TCP stack lock contention with short-lived connections

2014-12-02 Thread Julien Charbon
Hi, On 03/11/14 14:29, Julien Charbon wrote: > On 03/10/14 15:16, Julien Charbon wrote: >> On 23/05/14 14:06, Julien Charbon wrote: >>> On 27/02/14 11:32, Julien Charbon wrote: >>>> On 07/11/13 14:55, Julien Charbon wrote: >>>>> On Mon, 04 Nov 201

Re: TCP stack lock contention with short-lived connections

2014-11-03 Thread Julien Charbon
Hi, On 03/10/14 15:16, Julien Charbon wrote: > On 23/05/14 14:06, Julien Charbon wrote: >> On 27/02/14 11:32, Julien Charbon wrote: >>> On 07/11/13 14:55, Julien Charbon wrote: >>>> On Mon, 04 Nov 2013 22:21:04 +0100, Julien Charbon >>>> wrote: &g

Re: buf_ring in HEAD is racy

2014-10-31 Thread Julien Charbon
bes ^C CPU IDFUNCTION:NAME 3 2 :END sendit ENOBUFS: ixgbe_mq_start ENOBUFS: ip_output Errors: Thus 0 ENOBUFS errors. I will let Marc review this fix further to check his full wrap case. Thanks. -- Julien signature.asc Description: OpenPGP digital signature

Re: [jci...@ulb.ac.be: Listen queue overflow: 8 already in queue awaiting acceptance]

2014-10-07 Thread Julien Cigar
On Fri, Oct 03, 2014 at 10:31:56AM -0700, hiren panchasara wrote: > On Fri, Oct 3, 2014 at 1:01 AM, Julien Cigar wrote: > > On Thu, Oct 02, 2014 at 04:36:49PM -0700, hiren panchasara wrote: > >> On Thu, Oct 2, 2014 at 11:19 AM, Julien Cigar wrote: > >> > On Thu, Oc

Re: TCP stack lock contention with short-lived connections

2014-10-03 Thread Julien Charbon
Hi, On 23/05/14 14:06, Julien Charbon wrote: > On 27/02/14 11:32, Julien Charbon wrote: >> On 07/11/13 14:55, Julien Charbon wrote: >>> On Mon, 04 Nov 2013 22:21:04 +0100, Julien Charbon >>> wrote: >>>> I have put technical and how-to-repeat details

Re: [jci...@ulb.ac.be: Listen queue overflow: 8 already in queue awaiting acceptance]

2014-10-03 Thread Julien Cigar
On Thu, Oct 02, 2014 at 04:36:49PM -0700, hiren panchasara wrote: > On Thu, Oct 2, 2014 at 11:19 AM, Julien Cigar wrote: > > On Thu, Oct 02, 2014 at 10:24:13AM -0700, hiren panchasara wrote: > >> On Thu, Oct 2, 2014 at 9:42 AM, Julien Cigar wrote: > >> > sorry for

Re: [jci...@ulb.ac.be: Listen queue overflow: 8 already in queue awaiting acceptance]

2014-10-02 Thread Julien Cigar
On Thu, Oct 02, 2014 at 01:21:32PM -0400, Brandon Allbery wrote: > On Thu, Oct 2, 2014 at 12:42 PM, Julien Cigar wrote: > > > sonewconn: pcb 0xf8010e561310: Listen queue overflow: 8 already in > > queue awaiting acceptance > > > > My immediate reaction i

Re: [jci...@ulb.ac.be: Listen queue overflow: 8 already in queue awaiting acceptance]

2014-10-02 Thread Julien Cigar
On Thu, Oct 02, 2014 at 10:24:13AM -0700, hiren panchasara wrote: > On Thu, Oct 2, 2014 at 9:42 AM, Julien Cigar wrote: > > sorry for cross-posting, I'm forwarding this as it seems that part of > > the problem is also related to: > > https://lists.freebsd.org/pipermail/

[jci...@ulb.ac.be: Listen queue overflow: 8 already in queue awaiting acceptance]

2014-10-02 Thread Julien Cigar
scribed on freebsd-net@ an freebsd-stable@) -- Julien Cigar Belgian Biodiversity Platform (http://www.biodiversity.be) PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23C0 No trees were killed in the creation of this message. However, many electrons were terribly inconvenienced. --- Beg

Re: [rfc] TCP timewait and credential handling - why would we get a TW with no credential?

2014-06-03 Thread Julien Charbon
oth INP_INFO_WLOCK and INP_WLOCK from race conditions, I am currently checking if something could inadvertently overwrite tw_cred in struct tcptw. My 2 cents. -- Julien ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/fr

Re: TCP stack lock contention with short-lived connections

2014-05-30 Thread Julien Charbon
accelerate the commit process. -- Julien ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"

Re: TCP stack lock contention with short-lived connections

2014-05-28 Thread Julien Charbon
Hi, On 23/05/14 22:52, Julien Charbon wrote: On 23/05/14 14:06, Julien Charbon wrote: On 27/02/14 11:32, Julien Charbon wrote: On 07/11/13 14:55, Julien Charbon wrote: On Mon, 04 Nov 2013 22:21:04 +0100, Julien Charbon wrote: I have put technical and how-to-repeat details in below PR

Re: TCP stack lock contention with short-lived connections

2014-05-26 Thread Julien Charbon
Hi Navdeep On 23/05/14 23:37, Navdeep Parhar wrote: On 05/23/14 13:52, Julien Charbon wrote: On 23/05/14 14:06, Julien Charbon wrote: On 27/02/14 11:32, Julien Charbon wrote: On 07/11/13 14:55, Julien Charbon wrote: On Mon, 04 Nov 2013 22:21:04 +0100, Julien Charbon wrote: I have put

Re: TCP stack lock contention with short-lived connections

2014-05-23 Thread Julien Charbon
Hi, On 27/02/14 11:32, Julien Charbon wrote: On 07/11/13 14:55, Julien Charbon wrote: On Mon, 04 Nov 2013 22:21:04 +0100, Julien Charbon wrote: I have put technical and how-to-repeat details in below PR: kern/183659: TCP stack lock contention with short-lived connections http

Re: panic in -HEAD multicast code

2014-04-08 Thread Julien Charbon
case that just drives the same stacktrace than the race condition we found. -- Julien ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"

Re: panic in -HEAD multicast code

2014-04-07 Thread Julien Charbon
t addresses and calling: if_detach() -> if_detach_internal() -> if_purgemaddrs() -> if_delmulti_locked() -> if_freemulti() However, we did not find a way to fix it without unwanted side effects and we asked for comments/ideas. -- Julien ___

Re: kern/183659: [tcp] ]TCP stack lock contention with short-lived connections

2014-03-17 Thread Charbon, Julien
The following reply was made to PR kern/183659; it has been noted by GNATS. From: "Charbon, Julien" To: bug-follo...@freebsd.org Cc: Subject: Re: kern/183659: [tcp] ]TCP stack lock contention with short-lived connections Date: Mon, 17 Mar 2014 17:39:19 +0100 Just a follow-up th

Re: kern/183659: [tcp] TCP stack lock contention with short-lived connections

2014-03-17 Thread Charbon, Julien
The following reply was made to PR kern/183659; it has been noted by GNATS. From: "Charbon, Julien" To: bug-follo...@freebsd.org Cc: Subject: Re: kern/183659: [tcp] TCP stack lock contention with short-lived connections Date: Mon, 17 Mar 2014 15:54:03 +0100 Just a follow-up th

Re: TCP stack lock contention with short-lived connections

2014-03-14 Thread Julien Charbon
Hi John, On 07/03/14 13:43, Julien Charbon wrote: On 06/03/14 22:57, John-Mark Gurney wrote: Julien Charbon wrote this message on Thu, Feb 27, 2014 at 11:32 +0100: [...] Any thoughts on this particular behavior? One thing that I noticed is that you now lock/unlock the tw and inp lock a

Re: TCP stack lock contention with short-lived connections

2014-03-07 Thread Julien Charbon
Hi John, On 06/03/14 22:57, John-Mark Gurney wrote: Julien Charbon wrote this message on Thu, Feb 27, 2014 at 11:32 +0100: [...] Any thoughts on this particular behavior? One thing that I noticed is that you now lock/unlock the tw and inp lock a lot... Have you thought about grabing the

Re: kern/176446: [netinet] [patch] Concurrency in ixgbe driving out-of-order packet process and spurious RST

2013-09-05 Thread Charbon, Julien
The following reply was made to PR kern/176446; it has been noted by GNATS. From: "Charbon, Julien" To: bug-follo...@freebsd.org, jchar...@verisign.com Cc: John Baldwin Subject: Re: kern/176446: [netinet] [patch] Concurrency in ixgbe driving out-of-order packet process and spuriou

Re: kern/176446: [netinet] [patch] Concurrency in ixgbe driving out-of-order packet process and spurious RST

2013-03-12 Thread Charbon, Julien
The following reply was made to PR kern/176446; it has been noted by GNATS. From: "Charbon, Julien" To: Cc: bug-follo...@freebsd.org, "De La Gueronniere, Marc" Subject: Re: kern/176446: [netinet] [patch] Concurrency in ixgbe driving out-of-order packet process a

Re: kern/176446: [netinet] [patch] Concurrency in ixgbe driving out-of-order packet process and spurious RST

2013-03-07 Thread Charbon, Julien
The following reply was made to PR kern/176446; it has been noted by GNATS. From: "Charbon, Julien" To: John Baldwin Cc: bug-follo...@freebsd.org, "De La Gueronniere, Marc" Subject: Re: kern/176446: [netinet] [patch] Concurrency in ixgbe driving out-of-order

Re: kern/176446: [netinet] [patch] Concurrency in ixgbe driving out-of-order packet process and spurious RST

2013-02-28 Thread Charbon, Julien
The following reply was made to PR kern/176446; it has been noted by GNATS. From: "Charbon, Julien" To: John Baldwin Cc: bug-follo...@freebsd.org, "De La Gueronniere, Marc" , j...@freebsd.org Subject: Re: kern/176446: [netinet] [patch] Concurrency in ixgbe d

Re: kern/176446: Concurrency in ixgbe driving out-of-order packet process and spurious RST

2013-02-27 Thread Charbon, Julien
The following reply was made to PR kern/176446; it has been noted by GNATS. From: "Charbon, Julien" To: freebsd-gnats-sub...@freebsd.org, freebsd-b...@freebsd.org Cc: j...@freebsd.org, "De La Gueronniere, Marc" Subject: Re: kern/176446: Concurrency in ixgbe driving out-of-o

Re: kern/122058: [em] [panic] Panic on em1: taskq

2008-03-25 Thread Julien
The following reply was made to PR kern/122058; it has been noted by GNATS. From: Julien <[EMAIL PROTECTED]> To: [EMAIL PROTECTED], [EMAIL PROTECTED] Cc: Subject: Re: kern/122058: [em] [panic] Panic on em1: taskq Date: Tue, 25 Mar 2008 18:33:18 +0100 Hello, FYI, I filled a PR today

Re : ipv6 host routes

2006-09-07 Thread Julien Abeillé
the routing table. I hope it works for you and you have the MAC address of the destination but still I find the behavior of the route command in this case strange. Best regards, Julien - Message d'origine De : John Hay <[EMAIL PROTECTED]> À : freebsd-net@freebsd.org

Re : Need Information about open source traffic generators

2006-08-21 Thread Julien Abeillé
Hi Asha, you have many traffic generators in the benchmark ports directory (http://www.freebsd.org/ports/benchmarks.html). I do not know what you are looking for exactly, I was and am sometimes using Iperf, which is a simple tcp/udp traffic generator supporting IPv4/6. Best regards, Julien

Tr : Re : Re : ipv6 in ipv6 tunnel with FreeBSD 4.11

2006-08-21 Thread Julien Abeillé
- Message transféré De : Julien Abeillé <[EMAIL PROTECTED]> À : [EMAIL PROTECTED] Envoyé le : Lundi, 21 Août 2006, 12h05mn 49s Objet : Re : Re : ipv6 in ipv6 tunnel with FreeBSD 4.11 Hi George, all, I finally found the problem. net.inet6.ip6.gifhlim is set to 0 by default. Ma

ipv6 in ipv6 tunnel with FreeBSD 4.11

2006-08-18 Thread Julien Abeillé
used for. the problem is: when i ping or send any traffic from a::2 to c::1, the FreeBSD machine adds an ipv6 header with b::1 as source, b::2 as destination, but with hop count limit=0 Is my configuration ok? Thanks a lot, Julien ___ freebsd

Re: re0: 2 link states coalesced.

2006-01-30 Thread Julien Gabel
I filled one a year ago, for the very same problem (encountered for two years now). See Problem Report kern/80005 for more information. I think that another user (Emmanuel Duros) tried to speak with Realtek on that point, not sure if there is feedback on it though... Sorr

Re: re0: 2 link states coalesced.

2006-01-30 Thread Julien Gabel
>> I filled one a year ago, for the very same problem (encountered for two >> years now). See Problem Report kern/80005 for more information. I >> think that another user (Emmanuel Duros) tried to speak with Realtek on >> that point, not sure if there is feedback on it though... >> >> Sorry not t

Re: re0: 2 link states coalesced.

2006-01-24 Thread Julien Gabel
Hello Hans, > I have a problem with my RTL8169 Gigabit NIC built into my (apparently > very uncommon) Clevo D41EV laptop. At boot, when netif tries to set up the > interface, I get a lot of these messages: > > > re0: 2 link states coalesced > > re0: link state changed to DOWN > > re0: 2 link st

Re: ttl-exceeded sourced by arrival interface ?

2005-01-17 Thread Julien Lesaint
On Sat, Jan 15, 2005 at 09:46:54PM -0500, Chuck Swiger wrote: > Julien Lesaint wrote: > >Quick reminder: in the case the route to the packet's source is not the > >interface this packet arrived on, do we have a way to source ICMP errors > >(ttl-exceeded) with the origi

ttl-exceeded sourced by arrival interface ?

2005-01-15 Thread Julien Lesaint
roubleshooting, rather than for some cosmetic purposes. Regards, -- Julien Lesaint. ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"

ipsec tunnel with same subnet in A and B

2003-09-25 Thread julien mabillard
hi, i have some questions regarding an ipsec tunnel which i want to setup between to hosts (A, B), but I want A and B to be in the same subnet. what are the possiblilities? also, i might meet the following situation: a) A 10.0.0.10 <==> ipsec_gw <==> routers <==> ipsec_gw <===> B 10.0.0.1 b) A 1