On Sun, 3 Oct 2010 22:41:50 +0200, you wrote:
>err... reading the trace first helps. this is actually pretty clearly a
>problem in re. I don't feel responsible for re tho :)
Is there something else I should do before submitting something to bugs?
Both of these source files haven't been modified since I grabbed this
snapshot.
OpenBSD 4.8-current (GENERIC) #312: Tue Aug 31 21:59:22 MDT 2010
dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
http://www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/ic/re.c?sortby=date
http://www.openbsd.org/cgi-bin/cvsweb/src/sys/net/if_ethersubr.c?sortby=date
ddb> trace
ether_input(d1be7054,0,d66ca000,0,60) at ether_input+0xa9
re_rxeof(d1be7000,dbc13000,3e,4001,1) at re_rxeof+0x33c
# objdump --line --disassemble --reloc re.o > ~/re.o.dis
# cat ~/re.o.dis | grep "<re_rxeof>"
00001800 <re_rxeof>:
0x1800 + 0x33c = 1b3c
# cat /root/re.o.dis
../../../../dev/ic/re.c:1480
1b38: 66 89 43 26 mov %ax,0x26(%ebx)
1b3c: e9 76 ff ff ff jmp 1ab7 <re_rxeof+0x2b7>
# cat -n ../../../../dev/ic/re.c | head -n 1485 | tail -n 10
1476 M_UDP_CSUM_IN_OK;
1477 }
1478 #if NVLAN > 0
1479 if (rxvlan & RL_RDESC_VLANCTL_TAG) {
1480 m->m_pkthdr.ether_vtag =
1481 ntohs((rxvlan & RL_RDESC_VLANCTL_DATA));
1482 m->m_flags |= M_VLANTAG;
1483 }
1484 #endif
1485
# objdump --line --disassemble --reloc if_ethersubr.o > ~/if_ethersubr.o.dis
# cat /root/if_ethersubr.o.dis | grep "<ether_input>"
00000e80 <ether_input>:
0xe80 +0xa9 = 0xf29
# cat /root/if_ethersubr.o.dis
../../../../net/if_ethersubr.c:570
f26: 8b 55 e0 mov 0xffffffe0(%ebp),%edx
f29: f6 02 01 testb $0x1,(%edx)
f2c: 0f 85 09 01 00 00 jne 103b <ether_input+0x1bb>
# cat -n ../../../../net/if_ethersubr.c | head -n 575 | tail -n 10
566 if ((ifp->if_flags & IFF_UP) == 0) {
567 m_freem(m);
568 return;
569 }
570 if (ETHER_IS_MULTICAST(eh->ether_dhost)) {
571 if ((ifp->if_flags & IFF_SIMPLEX) == 0) {
572 struct ifaddr *ifa;
573 struct sockaddr_dl *sdl = NULL;
574
575 TAILQ_FOREACH(ifa, &ifp->if_addrlist,
ifa_list)
{
