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DragonFly bugs List (threaded) for 2006-01
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Re: PF routing broken

From: "Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>
Date: Tue, 17 Jan 2006 03:30:23 +0100

Matthew Dillon wrote:
:I don't have time to fix this at the moment, but using e.g. dup-to in a
:PF ruleset is hitting the serialiser assertion directly.
    Post a kernel backtrace.  It should be easy to fix (but it may not make
    it into the release since I am rolling the ISO tonight).

I had the pleasure to experience this with ipf+if_bridge today. Of course the ruleset wasn't what i had intended, but yet this works with oldbridge...


#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:527
#1 0xc01970f2 in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:360
#2 0xc01975b6 in panic (fmt=0xc02d14bc "assertion: s->last_td != curthread in %s")
at /usr/src/sys/kern/kern_shutdown.c:673
#3 0xc019ecdb in lwkt_serialize_enter (s=0xc507b95c) at /usr/src/sys/kern/lwkt_serialize.c:77
#4 0xc01f08ef in bridge_output_serialized (ifp=0xc507b540, m=0xc5754b00, sa=0x0, rt=0x0)
at /usr/src/sys/net/bridge/if_bridge.c:1226
#5 0xc01f6bf0 in ether_output (ifp=0xc507b540, m=0xc5754b00, dst=0xc0a0a450, rt=0xc5063190)
at /usr/src/sys/net/if_ethersubr.c:316
#6 0xc013d7f8 in ipfr_fastroute (m0=0xc5754b00, mpp=0xc50a5b84, fin=0xc50a5ae4, fdp=0xc50034a4)
at /usr/src/sys/contrib/ipfilter/netinet/ip_fil.c:1847
#7 0xc0139f43 in fr_check (ip=0xc5779820, hlen=20, ifp=0xc507b2c0, out=0, mp=0xc50a5b84)
at /usr/src/sys/contrib/ipfilter/netinet/fil.c:1379
#8 0xc013b718 in fr_check_wrapper (arg=0x0, mp=0x0, ifp=0x0, dir=1)
at /usr/src/sys/contrib/ipfilter/netinet/ip_fil.c:321
#9 0xc01f7dc1 in pfil_run_hooks (ph=0xc0323180, mp=0xc50a5c30, ifp=0xc507b2c0, dir=1)
at /usr/src/sys/net/pfil.c:67
#10 0xc01f1e48 in bridge_pfil (mp=0xc50a5c30, bifp=0xc507b7c0, ifp=0xc507b2c0, dir=1)
at /usr/src/sys/net/bridge/if_bridge.c:2213
#11 0xc01f0e81 in bridge_forward (sc=0xc507b7c0, m=0xc5754b00)
at /usr/src/sys/net/bridge/if_bridge.c:1443
#12 0xc01f1367 in bridge_input (ifp=0xc507b2c0, m=0xc5754b00)
at /usr/src/sys/net/bridge/if_bridge.c:1647
#13 0xc01f7435 in ether_input (ifp=0xc507b2c0, eh=0xc5779812, m=0xc5754b00)
at /usr/src/sys/net/if_ethersubr.c:618
#14 0xc01f7340 in ether_input_internal (ifp=0x0, m=0x0) at /usr/src/sys/net/if_ethersubr.c:552
#15 0xc01651da in fxp_intr_body (sc=0xc507b2c0, statack=64 '@', count=-1)
at /usr/src/sys/dev/netif/fxp/if_fxp.c:1359
#16 0xc0165058 in fxp_intr (xsc=0xc507b2c0) at /usr/src/sys/dev/netif/fxp/if_fxp.c:1231
#17 0xc019ee51 in lwkt_serialize_handler_call (s=0xc507b45c, func=0xc0165002 <fxp_intr>, arg=0x0,
frame=0x0) at /usr/src/sys/kern/lwkt_serialize.c:145
#18 0xc017c044 in ithread_handler (arg=0xc) at /usr/src/sys/kern/kern_intr.c:755
#19 0xc019d90b in lwkt_create (func=0, arg=0x0, tdp=0xc0310764, template=0x0, tdflags=---Can't read
userspace from dump, or kernel process---

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