[Bug 171711] [dummynet] [panic] Kernel panic in dummynet
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=171711 Andrey V. Elsukov a...@freebsd.org changed: What|Removed |Added CC||a...@freebsd.org --- Comment #7 from Andrey V. Elsukov a...@freebsd.org --- (In reply to dblais from comment #2) #6 0x80cdbd13 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:232 #7 0x8090adb0 in _rw_rlock (rw=0xfe013aade5a8, file=0x0, line=485069968) at /usr/src/sys/kern/kern_rwlock.c:382 #8 0x809c5959 in bpf_mtap2 (bp=0xfe013aade580, data=0xff88826429bc, dlen=4, m=0xfe0300f46700) at /usr/src/sys/net/bpf.c:2197 #9 0x8188e11a in ng_iface_bpftap (ifp=value optimized out, m=0x0, family=144 '\220') at /usr/src/sys/modules/netgraph/iface/../../../netgraph/ng_iface.c:444 #10 0x8188eb11 in ng_iface_output (ifp=0xfe014566a000, m=0xfe0300f46700, dst=0xff8882642aac, ro=value optimized out) at /usr/src/sys/modules/netgraph/iface/../../../netgraph/ng_iface.c:394 This panic looks different. Probably an interface has gone away and BPF's interface departure handler already destroyed bif_lock. -- You are receiving this mail because: You are the assignee for the bug. ___ 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
[Bug 171711] [dummynet] [panic] Kernel panic in dummynet
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=171711 --- Comment #6 from eu...@grosbein.net --- (In reply to Hiren Panchasara from comment #4) This PR is probably duplicate of my later PR *195102* that contains more details. -- You are receiving this mail because: You are the assignee for the bug. ___ 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
[Bug 171711] [dummynet] [panic] Kernel panic in dummynet
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=171711 --- Comment #5 from eu...@grosbein.net --- (In reply to Hiren Panchasara from comment #4) This PR is probably duplicate of my later PR 149513 that contains more details. -- You are receiving this mail because: You are the assignee for the bug. ___ 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: tap(4): will it be more reasonable if it preserved UP/DOWN state, when closed?
Yuri wrote on 04/01/2015 01:39: Currently tap(4) device gets to 'down' state when the last process closes it, regardless of the original 'up/down' state. Will it be reasonable to modify this behavior and keep this bit 'was_up_before_open', and leave it 'up' if it was 'up' when it was first opened? Practically speaking, I set it up in rc.conf to be 'up' with the particular IP, but it goes to 'down' state when VirtualBox closes it. If tap(4) can be 'up' without users, there shouldn't be any problem in leaving it 'up' after use as well? Doesn't sysctl net.link.tap.up_on_open=1 fix your problem? Miroslav Lachman ___ 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
Urgent matter: LACP trunk stops distributing
Hi, I've got an urgent matter on my hands, my FreeBSD iScsibox has dropped it's LACP trunk twice in the last 24 hours, which causes a whole lot of issues on my VPS cluster, using that storage. It's a FreeBSD box with two igb-interfaces in an LACP trunk with jumboframes and vlans. If the connection drops, the only thing I see is: Apr 1 10:37:18 zstore02 kernel: igb0: Interface stopped DISTRIBUTING, possible flapping Apr 1 10:37:28 zstore02 kernel: igb1: Interface stopped DISTRIBUTING, possible flapping The switch has nothing to say, so it doesn't seem that there are acual linkflaps. I have a feeling that it's this LACP trunk that goes haywire somewhere on the FreeBSD side. If anyone can help me with this, I'd be grateful. If someone (preferably EU-based) wants to help out professionally as a consultant, that would be fine too. Or if anyone knows someone in .nl that offers this level of expertise on consultingbase, let me know. I'm running 10.1-RELEASE on the box, see the (AFAICS) relevant config below. The switch is a Brocade ICX6430. [root@zstore02 ~]# ifconfig lagg0 lagg0: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST metric 0 mtu 9000 options=4019bRXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO ether 0c:c4:7a:12:13:dc nd6 options=29PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL media: Ethernet autoselect status: active laggproto lacp lagghash l2,l3,l4 laggport: em1 flags=0 laggport: em0 flags=0 laggport: igb1 flags=1cACTIVE,COLLECTING,DISTRIBUTING laggport: igb0 flags=1cACTIVE,COLLECTING,DISTRIBUTING [root@zstore02 ~]# sysctl -a | grep lacp net.link.lagg.lacp.debug: 0 net.link.lagg.0.lacp.lacp_strict_mode: 1 net.link.lagg.0.lacp.debug.rx_test: 0 net.link.lagg.0.lacp.debug.tx_test: 0 Met vriendelijke groeten, -- Kerio Operator in de Cloud? https://www.kerioindecloud.nl/ Mark Schouten | Tuxis Internet Engineering KvK: 61527076 | http://www.tuxis.nl/ T: 0318 200208 | i...@tuxis.nl smime.p7s Description: Electronic Signature S/MIME
ng_netgraph and BGP
I run a small network composed of even smaller networks each encapsulated in an autonomous system. I'd like to do traffic accounting using netflow aggregated by ASN. My border routers run FreeBSD and BIRD. Right now, and this is mentioned in ng_netflow(4), we do not fill in the source and destination ASN because there is no information to get this from the routing daemon's RIB. Probably if we come up with such a way it should be generic so it could be used by Quagga, BIRD or OpenBGPD. I've done a little bit of thinking about how this could be done, and come up with two main strategies: 1. A new kind of netgraph node inserted before ng_netflow knows how to query the routing daemon and decorates the packet with the result, which ng_netflow then puts into the flow packet if present. This entails either a copy (tee) or putting the lookup in the data path which may be suboptimal. 2. A new hook added to the ng_netflow node that allows it to query the routing daemon through a different new kind of netgraph node. This is probably better but may be slightly more complicated to implement. Is anyone working on this or has given this though? I wasn't able to find much by searching the list archives. It may be that I will soon have some students that I can set on this task but would not like to unnecessarily duplicate effort. Cheers, -w -- William Waites wwai...@tardis.ed.ac.uk | School of Informatics http://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh http://www.hubs.net.uk/| HUBS AS60241 The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336. pgp1LQF1oC6ij.pgp Description: PGP signature
Re: ng_netgraph and BGP
On 4/1/15 6:50 PM, William Waites wrote: I run a small network composed of even smaller networks each encapsulated in an autonomous system. I'd like to do traffic accounting using netflow aggregated by ASN. My border routers run FreeBSD and BIRD. Right now, and this is mentioned in ng_netflow(4), we do not fill in the source and destination ASN because there is no information to get this from the routing daemon's RIB. Probably if we come up with such a way it should be generic so it could be used by Quagga, BIRD or OpenBGPD. I've done a little bit of thinking about how this could be done, and come up with two main strategies: 1. A new kind of netgraph node inserted before ng_netflow knows how to query the routing daemon and decorates the packet with the result, which ng_netflow then puts into the flow packet if present. This entails either a copy (tee) or putting the lookup in the data path which may be suboptimal. 2. A new hook added to the ng_netflow node that allows it to query the routing daemon through a different new kind of netgraph node. This is probably better but may be slightly more complicated to implement. Is anyone working on this or has given this though? I wasn't able to find much by searching the list archives. It may be that I will soon have some students that I can set on this task but would not like to unnecessarily duplicate effort. there is no reason the netflow node could not be modified to make external requests.. it could certainly spawn off a worker thread that could do those sorts of things. Cheers, -w -- William Waites wwai...@tardis.ed.ac.uk | School of Informatics http://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh http://www.hubs.net.uk/| HUBS AS60241 The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336. ___ 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
[Bug 185967] [lagg] [patch] Link Aggregation LAGG: LACP not working in 10.0
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=185967 --- Comment #18 from Jeroen van Heugten vanheug...@gmail.com --- In our case the problem was due to a bug in TSO (tcp segment offloading). This has been resolved in 10.1. You can easily exclude issues TSO by turning it temporary off for your interfaces (ifconfig ix# -tso). -- You are receiving this mail because: You are the assignee for the bug. ___ 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: ng_netgraph and BGP
Additionally, pmacct doesn't seem to really work in FreeBSD -- as far as the latest versions go. Their use of 'return' (with no args) on functions that are meant to return an int flat out makes it unable to compile on FreeBSD. If you fix those by hand, it compiles, but just seems to segfault -- I didn't get the time to look into it further with GDB. There's another option that claims to be able to do the same thing (introduce BGP accounting data to normal flows - ntop's nprobe (www.ntop.org/products/nprobe/), but it's not free. I don't know if it works in FreeBSD well either.) As to the ng_netflow hook, +1, excellent idea. On 4/2/2015 午前 03:08, Nikolay Denev wrote: On Wed, Apr 1, 2015 at 12:50 PM, William Waites wwai...@tardis.ed.ac.uk wrote: I run a small network composed of even smaller networks each encapsulated in an autonomous system. I'd like to do traffic accounting using netflow aggregated by ASN. My border routers run FreeBSD and BIRD. Right now, and this is mentioned in ng_netflow(4), we do not fill in the source and destination ASN because there is no information to get this from the routing daemon's RIB. Probably if we come up with such a way it should be generic so it could be used by Quagga, BIRD or OpenBGPD. I've done a little bit of thinking about how this could be done, and come up with two main strategies: 1. A new kind of netgraph node inserted before ng_netflow knows how to query the routing daemon and decorates the packet with the result, which ng_netflow then puts into the flow packet if present. This entails either a copy (tee) or putting the lookup in the data path which may be suboptimal. 2. A new hook added to the ng_netflow node that allows it to query the routing daemon through a different new kind of netgraph node. This is probably better but may be slightly more complicated to implement. Is anyone working on this or has given this though? I wasn't able to find much by searching the list archives. It may be that I will soon have some students that I can set on this task but would not like to unnecessarily duplicate effort. Cheers, -w -- William Waites wwai...@tardis.ed.ac.uk | School of Informatics http://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh http://www.hubs.net.uk/| HUBS AS60241 The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336. Hi, It's not ng_netflow, but if you need this today you can take a look at http://www.pmacct.net ? (there is a package/port too). It comes with BGP daemon (stripped down quagga) and can export this data. --Nikolay ___ 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 ___ 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: ng_netgraph and BGP
On Wed, Apr 1, 2015 at 12:50 PM, William Waites wwai...@tardis.ed.ac.uk wrote: I run a small network composed of even smaller networks each encapsulated in an autonomous system. I'd like to do traffic accounting using netflow aggregated by ASN. My border routers run FreeBSD and BIRD. Right now, and this is mentioned in ng_netflow(4), we do not fill in the source and destination ASN because there is no information to get this from the routing daemon's RIB. Probably if we come up with such a way it should be generic so it could be used by Quagga, BIRD or OpenBGPD. I've done a little bit of thinking about how this could be done, and come up with two main strategies: 1. A new kind of netgraph node inserted before ng_netflow knows how to query the routing daemon and decorates the packet with the result, which ng_netflow then puts into the flow packet if present. This entails either a copy (tee) or putting the lookup in the data path which may be suboptimal. 2. A new hook added to the ng_netflow node that allows it to query the routing daemon through a different new kind of netgraph node. This is probably better but may be slightly more complicated to implement. Is anyone working on this or has given this though? I wasn't able to find much by searching the list archives. It may be that I will soon have some students that I can set on this task but would not like to unnecessarily duplicate effort. Cheers, -w -- William Waites wwai...@tardis.ed.ac.uk | School of Informatics http://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh http://www.hubs.net.uk/| HUBS AS60241 The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336. Hi, It's not ng_netflow, but if you need this today you can take a look at http://www.pmacct.net ? (there is a package/port too). It comes with BGP daemon (stripped down quagga) and can export this data. --Nikolay ___ 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
New BR 199096 about mpd / ipfw causing kernel panics
Hi, I posted into BR 171711 but as Andrey V. Elsukov pointed out, my issue is a bit different so I opened a new one (BR 199096). -- [cid:image001.gif@01D06C87.8255CBF0] ___ 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
[Bug 171711] [dummynet] [panic] Kernel panic in dummynet
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=171711 --- Comment #8 from dbl...@interplex.ca --- I just opened a new bug: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=199096 since my error is similar but different. -- You are receiving this mail because: You are the assignee for the bug. ___ 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: pagefault in IPv6 codepath in defrouter_select()
On 03/26/15 at 12:08P, hiren panchasara wrote: My mailclient is doing something funny. Sorry for that. Trying again to reply to this tread actually. On 03/26/15 at 09:55P, Andrey V. Elsukov wrote: On 26.03.2015 00:48, hiren panchasara wrote: This is 3rd occurence of this panic. What could be the cause? I have vmcore and can provide more info if needed. Hi, the problem is that ND6 code maintains at least two lists of prefixes without any locking: V_nd_defrouter and V_nd_prefix. I am not too familiar with the code here but is following relevant here? https://lists.freebsd.org/pipermail/freebsd-net/2013-February/034695.html Also ccing markj@ Andrey, Did you get a chance to look at this or have any comments? Thanks in advance, Hiren pgpEcBi4V0hq4.pgp Description: PGP signature
Re: ng_netflow and BGP
(Fixing the subject header. Oops) On Wed, 1 Apr 2015 20:08:54 +0200, Nikolay Denev nik...@cytexbg.com said: It's not ng_netflow, but if you need this today you can take a look at http://www.pmacct.net ? (there is a package/port too). It comes with BGP daemon (stripped down quagga) and can export this data. Hi Nikolay. Thanks, we are actually doing exactly that, so there's no immediate pressure. It's just not the most elegant solution for various reasons. -w -- William Waites wwai...@tardis.ed.ac.uk | School of Informatics http://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh http://www.hubs.net.uk/| HUBS AS60241 The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336. pgpEHGKxfGfFs.pgp Description: PGP signature
[Bug 197076] Only One Port Of Dual Port EC2000S (RTL8111E, r8169) Detected
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=197076 --- Comment #3 from commit-h...@freebsd.org --- A commit references this bug: Author: jhb Date: Wed Apr 1 21:48:59 UTC 2015 New revision: 280970 URL: https://svnweb.freebsd.org/changeset/base/280970 Log: MFC 261790: Add support for managing PCI bus numbers. As with BARs and PCI-PCI bridge I/O windows, the default is to preserve the firmware-assigned resources. PCI bus numbers are only managed if NEW_PCIB is enabled and the architecture defines a PCI_RES_BUS resource type. - Add a helper API to create top-level PCI bus resource managers for each PCI domain/segment. Host-PCI bridge drivers use this API to allocate bus numbers from their associated domain. - Change the PCI bus and CardBus drivers to allocate a bus resource for their bus number from the parent PCI bridge device. - Change the PCI-PCI and PCI-CardBus bridge drivers to allocate the full range of bus numbers from secbus to subbus from their parent bridge. The drivers also always program their primary bus register. The bridge drivers also support growing their bus range by extending the bus resource and updating subbus to match the larger range. - Add support for managing PCI bus resources to the Host-PCI bridge drivers used for amd64 and i386 (acpi_pcib, mptable_pcib, legacy_pcib, and qpi_pcib). - Define a PCI_RES_BUS resource type for amd64 and i386. PR:197076 Changes: _U stable/10/ stable/10/sys/amd64/include/resource.h stable/10/sys/dev/acpica/acpi_pcib_acpi.c stable/10/sys/dev/acpica/acpi_pcib_pci.c stable/10/sys/dev/cardbus/cardbus.c stable/10/sys/dev/cardbus/cardbusvar.h stable/10/sys/dev/pccbb/pccbb.c stable/10/sys/dev/pccbb/pccbb_isa.c stable/10/sys/dev/pccbb/pccbb_pci.c stable/10/sys/dev/pccbb/pccbbvar.h stable/10/sys/dev/pci/pci.c stable/10/sys/dev/pci/pci_pci.c stable/10/sys/dev/pci/pci_private.h stable/10/sys/dev/pci/pci_subr.c stable/10/sys/dev/pci/pcib_private.h stable/10/sys/i386/include/resource.h stable/10/sys/sparc64/pci/apb.c stable/10/sys/x86/include/legacyvar.h stable/10/sys/x86/pci/pci_bus.c stable/10/sys/x86/pci/qpi.c stable/10/sys/x86/x86/mptable_pci.c -- You are receiving this mail because: You are the assignee for the bug. ___ 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
[Bug 197076] Only One Port Of Dual Port EC2000S (RTL8111E, r8169) Detected
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=197076 John Baldwin j...@freebsd.org changed: What|Removed |Added Resolution|--- |FIXED Status|New |Closed --- Comment #4 from John Baldwin j...@freebsd.org --- I have merged the change that I believe should fix this back to stable/10. I do not plan on merging this to 9.x, and I do not plan on trying to get this into 10.1 as an EN. It should be present in 10.2 when that is released. Please reopen if this fix does not work for you when you test it. -- You are receiving this mail because: You are the assignee for the bug. ___ 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: tap(4): will it be more reasonable if it preserved UP/DOWN state, when closed?
On 04/01/2015 03:13, Miroslav Lachman wrote: Doesn't sysctl net.link.tap.up_on_open=1 fix your problem? net.link.tap.up_on_open only works on open. I am going to create the corresponding net.link.tap.down_on_close. It will have 3 values: 0: up/down state will not change on close 1: (default) state will be preserved as it was before close - makes sense for most users I believe 2: state will change to down (like tap works now) Yuri ___ 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
