On 2019-02-12 13:54:21 (-0600), Eric van Gyzen <e...@vangyzen.net> wrote: > I see the same behavior on head (and stable/12). > > (kgdb) f > #16 0xffffffff80ce5331 in ether_output_frame (ifp=0xfffff80003672800, > m=0xfffff8000c88b100) at /usr/src/sys/net/if_ethersubr.c:468 > 468 switch (pfil_run_hooks(V_link_pfil_head, &m, ifp, > PFIL_OUT, > > 0xffffffff80ce5321 <+81>: mov %gs:0x0,%rax > 0xffffffff80ce532a <+90>: mov 0x500(%rax),%rax > => 0xffffffff80ce5331 <+97>: mov 0x28(%rax),%rax > > I think this is part of the V_link_pfil_head. I'm not very familiar > with vnet. Does this need a CURVNET_SET(), maybe in garp_rexmit()? > Yes. I posted a proposed patch in https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235699
Basically we get called through a timer, so there's no vnet context. It needs to be set, and then we can safely use any V_ variables. Regards, Kristof _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
