Problem reports for freebsd-net@FreeBSD.org that need special attention

2016-12-18 Thread bugzilla-noreply
To view an individual PR, use:
  https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=(Bug Id).

The following is a listing of current problems submitted by FreeBSD users,
which need special attention. These represent problem reports covering
all versions including experimental development code and obsolete releases.

Status  |Bug Id | Description
+---+---
In Progress |165622 | [ndis][panic][patch] Unregistered use of FPU in k 
In Progress |203422 | mpd/ppoe not working with re(4) with revision 285 
In Progress |206581 | bxe_ioctl_nvram handler is faulty 
New |204438 | setsockopt() handling of kern.ipc.maxsockbuf limi 
New |205592 | TCP processing in IPSec causes kernel panic   
New |206053 | kqueue support code of netmap causes panic
New |213410 | [carp] service netif restart causes hang only whe 
Open|148807 | [panic] "panic: sbdrop" and "panic: sbsndptr: soc 
Open|193452 | Dell PowerEdge 210 II -- Kernel panic bce (broadc 
Open|194485 | Userland cannot add IPv6 prefix routes
Open|194515 | Fatal Trap 12 Kernel with vimage  
Open|199136 | [if_tap] Added down_on_close sysctl variable to t 
Open|202510 | [CARP] advertisements sourced from CARP IP cause  
Open|206544 | sendmsg(2) (sendto(2) too?) can fail with EINVAL; 
Open|211031 | [panic] in ng_uncallout when argument is NULL 
Open|211962 | bxe driver queue soft hangs and flooding tx_soft_ 
Open|212018 | Enable IPSEC_NAT_T in GENERIC kernel configuratio 
Open|213257 | Crash in IGB driver with ALTQ 

18 problems total for which you should take action.
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[Bug 212872] Fatal trap 12: page fault while... |supervisor read data, page not present | ipf_frag_lookup | bcmp

2016-12-18 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212872

Eugen  changed:

   What|Removed |Added

 CC||androsoveu...@gmail.com

--- Comment #3 from Eugen  ---
In my case, the error caused by garbage traffic IpV6

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Re: Trouble with ipv6 routing through interface,Re: Trouble with ipv6 routing through interface

2016-12-18 Thread Hiroki Sato
"Andrey V. Elsukov"  wrote
  in 
,:

ae> On 16.12.2016 03:24, Anderson Soares Ferreira wrote:
ae> > I have a freebsd 11 box running as my network gateway and I’m having
ae> > some trouble trying to route ipv6 packets through an interface with
ae> > only linklocal address. In short, what I’m doing is:
ae> >
ae> > My freebsd gateway has one global scope address on lo0 interface,
ae> > each other interface has only a link local address fe80::1. Static
ae> > routes for the global scope subnets have been created, Each route was
ae> > created using the command:
ae> >
ae> > # route -6 add -net /64 -interface 
ae> >
ae> > The clients on each subnet have a global scope address and fe80::1 as
ae> > default gateway.
ae> >
ae> > What is happening with this approach is that my gateway can’t reach
ae> > the clients on the subnets. Ping tests from the gateway to the client
ae> > return the error "ping6: sendmsg: No buffer space available”. On the
ae>
ae> Hi,
ae>
ae> this ENOBUFS error is returned from ND6 code. Due to the lack of
ae> prefixes, layer2 doesn't consider that destination address is a
ae> neighbor.
ae>
ae> > other hand, when I try to do a ping from client to gateway, the
ae> > packets from the client are received by the gateway but no response
ae> > is sent. In my tests using a linux gateway with the same approach,
ae> > everything worked fine .
ae>
ae> I'm not sure how this should be fixed.

 A FreeBSD router box must have an IPv6 address on each interface if
 you want to reach the router from a client (and vice versa).
 Currently FreeBSD does not properly support an IPv6 GUA on an
 interface and a route of the GUA's prefix on another interface
 without an GUA at the same time, which is often seen on a dedicated
 router box like Cisco.  This is partly because FreeBSD's NDP and
 routing table assume that an on-link prefix is interface-local, not
 node-local across multiple interfaces.

 A practical workaround is using an LLA (i.e. fe80::1 or something)
 for communication between the router and the clients.

-- Hiroki


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