Date: Thu, 21 Aug 2008 10:08:28 +0530 From: =?utf-8?B?4KSG4KS24KWA4KS3IOCktuClgeCkleCljeCksg==?= Ashish Shukla <wahjava@gmail.com> To: freebsd-net@freebsd.org Subject: rtfree: 0xffffff00030aa4b0 has 2 refs Message-ID: <20080821043828.GA42712@chateau.d.lf>
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Hi all,
I'm getting following message in my dmesg, no. of times continuously. This =
is=20
the first time, I received this message.
rtfree: 0xffffff00030aa4b0 has 2 refs
I received this message when I tried to connect to IPv6 internet via Hurric=
ane=20
Electric's tunnel. Following are outputs of some of the commands on my box:
---->8---->8----
% dmesg
Copyright (c) 1992-2008 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 7.0-RELEASE-p3 #3: Tue Jul 15 10:16:13 IST 2008
root@chateau.d.lf:/usr/obj/usr/src/sys/ULE
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) 4 CPU 3.00GHz (3006.02-MHz K8-class CPU)
Origin =3D "GenuineIntel" Id =3D 0xf43 Stepping =3D 3
Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,P=
GE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=3D0x649d<SSE3,RSVD2,MON,DS_CPL,EST,CNXT-ID,CX16,xTPR>
AMD Features=3D0x20100800<SYSCALL,NX,LM>
Logical CPUs per core: 2
usable memory =3D 2128392192 (2029 MB)
avail memory =3D 2054033408 (1958 MB)
ACPI APIC Table: <INTEL D945GNT >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
ioapic0: Changing APIC ID to 2
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <INTEL D945GNT> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acp=
i0
Timecounter "HPET" frequency 14318180 Hz quality 900
cpu0: <ACPI CPU> on acpi0
acpi_perf0: <ACPI CPU Frequency Control> on cpu0
acpi_perf0: failed in PERF_STATUS attach
device_attach: acpi_perf0 attach returned 6
acpi_perf0: <ACPI CPU Frequency Control> on cpu0
acpi_perf0: failed in PERF_STATUS attach
device_attach: acpi_perf0 attach returned 6
est0: <Enhanced SpeedStep Frequency Control> on cpu0
est: CPU supports Enhanced Speedstep, but is not recognized.
est: cpu_vendor GenuineIntel, msr f2d00000f2d
device_attach: est0 attach returned 6
p4tcc0: <CPU Frequency Thermal Control> on cpu0
cpu1: <ACPI CPU> on acpi0
acpi_perf1: <ACPI CPU Frequency Control> on cpu1
acpi_perf1: failed in PERF_STATUS attach
device_attach: acpi_perf1 attach returned 6
acpi_perf1: <ACPI CPU Frequency Control> on cpu1
acpi_perf1: failed in PERF_STATUS attach
device_attach: acpi_perf1 attach returned 6
est1: <Enhanced SpeedStep Frequency Control> on cpu1
est: CPU supports Enhanced Speedstep, but is not recognized.
est: cpu_vendor GenuineIntel, msr f2d00000f2d
device_attach: est1 attach returned 6
p4tcc1: <CPU Frequency Thermal Control> on cpu1
acpi_button0: <Sleep Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
vgapci0: <VGA-compatible display> port 0x20e0-0x20e7 mem
0x88100000-0x8817ffff,0x80000000-0x87ffffff,0x88180000-0x8819ffff irq 16 at
device 2.0 on pci0
agp0: <Intel 82945G (945G GMCH) SVGA controller> on vgapci0
agp0: detected 7932k stolen memory
agp0: aperture size is 128M
pcm0: <Intel 82801G High Definition Audio Controller> mem 0x881a0000-0x881a=
3fff
irq 22 at device 27.0 on pci0
pcm0: [ITHREAD]
pcib1: <ACPI PCI-PCI bridge> at device 28.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pcib2: <ACPI PCI-PCI bridge> at device 28.2 on pci0
pci2: <ACPI PCI bus> on pcib2
pcib3: <ACPI PCI-PCI bridge> at device 28.3 on pci0
pci3: <ACPI PCI bus> on pcib3
uhci0: <UHCI (generic) USB controller> port 0x2080-0x209f irq 23 at device =
29.0
on pci0
uhci0: [GIANT-LOCKED]
uhci0: [ITHREAD]
usb0: <UHCI (generic) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
uhub0: 2 ports with 2 removable, self powered
uhci1: <UHCI (generic) USB controller> port 0x2060-0x207f irq 19 at device =
29.1
on pci0
uhci1: [GIANT-LOCKED]
uhci1: [ITHREAD]
usb1: <UHCI (generic) USB controller> on uhci1
usb1: USB revision 1.0
uhub1: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb1
uhub1: 2 ports with 2 removable, self powered
uhci2: <UHCI (generic) USB controller> port 0x2040-0x205f irq 18 at device =
29.2
on pci0
uhci2: [GIANT-LOCKED]
uhci2: [ITHREAD]
usb2: <UHCI (generic) USB controller> on uhci2
usb2: USB revision 1.0
uhub2: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb2
uhub2: 2 ports with 2 removable, self powered
uhci3: <UHCI (generic) USB controller> port 0x2020-0x203f irq 16 at device =
29.3
on pci0
uhci3: [GIANT-LOCKED]
uhci3: [ITHREAD]
usb3: <UHCI (generic) USB controller> on uhci3
usb3: USB revision 1.0
uhub3: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb3
uhub3: 2 ports with 2 removable, self powered
ehci0: <Intel 82801GB/R (ICH7) USB 2.0 controller> mem 0x881a4000-0x881a43f=
f irq
23 at device 29.7 on pci0
ehci0: [GIANT-LOCKED]
ehci0: [ITHREAD]
usb4: EHCI version 1.0
usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3
usb4: <Intel 82801GB/R (ICH7) USB 2.0 controller> on ehci0
usb4: USB revision 2.0
uhub4: <Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb4
uhub4: 8 ports with 8 removable, self powered
pcib4: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci4: <ACPI PCI bus> on pcib4
rl0: <RealTek 8139 10/100BaseTX> port 0x1000-0x10ff mem 0x88009000-0x880090=
ff
irq 21 at device 0.0 on pci4
miibus0: <MII bus> on rl0
rlphy0: <RealTek internal media interface> PHY 0 on miibus0
rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
rl0: Ethernet address: 00:00:21:23:cc:ed
rl0: [ITHREAD]
pcm1: <Yamaha DS-1E (YMF740C)> mem 0x88000000-0x88007fff irq 22 at device 1=
=2E0 on
pci4
pcm1: <SigmaTel STAC9721/23 AC97 Codec>
pcm1: [ITHREAD]
fxp0: <Intel 82801GB (ICH7) 10/100 Ethernet> port 0x1100-0x113f mem
0x88008000-0x88008fff irq 20 at device 8.0 on pci4
miibus1: <MII bus> on fxp0
inphy0: <i82562ET 10/100 media interface> PHY 1 on miibus1
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp0: Ethernet address: 00:13:20:b7:55:0a
fxp0: [ITHREAD]
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH7 UDMA100 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x20b0-0x20bf irq 18 at device 31.1 on =
pci0
ata0: <ATA channel 0> on atapci0
ata0: [ITHREAD]
ata1: <ATA channel 1> on atapci0
ata1: [ITHREAD]
atapci1: <Intel ICH7 SATA300 controller> port
0x20c8-0x20cf,0x20ec-0x20ef,0x20c0-0x20c7,0x20e8-0x20eb,0x20a0-0x20af irq 1=
9 at
device 31.2 on pci0
atapci1: [ITHREAD]
ata2: <ATA channel 0> on atapci1
ata2: [ITHREAD]
ata3: <ATA channel 1> on atapci1
ata3: [ITHREAD]
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
ppc0: <Parallel port> port 0x378-0x37f,0x778-0x77f irq 7 on acpi0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
ppbus0: [ITHREAD]
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
ppc0: [GIANT-LOCKED]
ppc0: [ITHREAD]
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: [ITHREAD]
psm0: model IntelliMouse, device ID 3
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0: port may not be enabled
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0: port may not be enabled
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acp=
i0
sio0: type 16550A
sio0: [FILTER]
orm0: <ISA Option ROM> at iomem 0xcb000-0xcbfff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=3D0x300>
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
ugen0: <American Power Conversion Back-UPS ES 650Y-IN FW:853.m3.I USB FW:m3,
class 0/0, rev 1.10/0.06, addr 2> on uhub0
ugen1: <vendor 0x8086 product 0x0110, class 0/0, rev 1.10/0.01, addr 2> on =
uhub3
Timecounters tick every 1.000 msec
acd0: DVDR <TSSTcorpCD/DVDW SH-S182F/SB01> at ata0-slave UDMA33
ad5: 238475MB <Seagate ST3250824SV 3.ASJ> at ata2-slave SATA150
ad6: 152627MB <Seagate ST3160812AS 3.AAD> at ata3-master SATA150
pcm0: <HDA Codec: Sigmatel STAC9221>
pcm0: <HDA Driver Revision: 20071129_0050>
SMP: AP CPU #1 Launched!
GEOM_LABEL: Label for provider ad5s5 is ext2fs//var/spool/news.
GEOM_LABEL: Label for provider ad5s9 is ext2fs/lectures.
GEOM_LABEL: Label for provider ad5s10 is ext2fs/archives.
GEOM_LABEL: Label for provider ad6s2 is ext2fs//.
GEOM_JOURNAL: Journal 499229287: ad6s4a contains data.
GEOM_JOURNAL: Journal 499229287: ad6s4a contains journal.
GEOM_JOURNAL: Journal ad6s4a clean.
GEOM_JOURNAL: Journal 4273413447: ad6s4d contains data.
GEOM_JOURNAL: Journal 4273413447: ad6s4d contains journal.
GEOM_JOURNAL: Journal ad6s4d clean.
GEOM_JOURNAL: Journal 172646561: ad6s4e contains data.
GEOM_JOURNAL: Journal 172646561: ad6s4e contains journal.
GEOM_JOURNAL: Journal ad6s4e clean.
WARNING: Expected rawoffset 0, found 148665509
Trying to mount root from ufs:/dev/ad6s4a.journal
plip0: [GIANT-LOCKED]
plip0: [ITHREAD]
fuse4bsd: version 0.3.9-pre1, FUSE ABI 7.8
drm0: <Intel i945G> on vgapci0
info: [drm] AGP at 0x80000000 128MB
info: [drm] Initialized i915 1.5.0 20060119
drm0: [ITHREAD]
drm0: [ITHREAD]
fxp0: link state changed to DOWN
fxp0: link state changed to UP
WARNING: attempt to net_add_domain(netgraph) after domainfinalize()
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
rtfree: 0xffffff00030aa4b0 has 2 refs
% ifconfig
rl0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=3D8<VLAN_MTU>
ether 00:00:21:23:cc:ed
inet6 fe80::200:21ff:fe23:cced%rl0 prefixlen 64 scopeid 0x1
media: Ethernet autoselect (none)
status: no carrier
fxp0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=3D8<VLAN_MTU>
ether 00:13:20:b7:55:0a
inet6 fe80::213:20ff:feb7:550a%fxp0 prefixlen 64 scopeid 0x2
inet 172.16.0.2 netmask 0xffffffe0 broadcast 172.16.0.31
inet6 fdxx:xxxx:xxxx::1 prefixlen 48
inet6 2001:470:9130:8000::1 prefixlen 64
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
plip0: flags=3D108851<UP,POINTOPOINT,RUNNING,SIMPLEX,MULTICAST,NEEDSGIANT> =
metric
0 mtu 1500
lo0: flags=3D8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
inet 127.0.0.1 netmask 0xff000000
ng0: flags=3D88d1<UP,POINTOPOINT,RUNNING,NOARP,SIMPLEX,MULTICAST> metric 0 =
mtu
1492
inet 122.162.237.43 --> 122.160.220.173 netmask 0xffffffff
inet6 fe80::200:21ff:fe23:cced%ng0 prefixlen 64 scopeid 0x5
gif0: flags=3D8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1280
tunnel inet 122.162.237.43 --> 216.66.80.26
inet6 fe80::200:21ff:fe23:cced%gif0 prefixlen 64 scopeid 0x6
% netstat -rn
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 122.160.220.173 UGS 0 34827 ng0
122.160.220.173 122.162.237.43 UH 1 0 ng0
127.0.0.1 127.0.0.1 UH 0 3337 lo0
172.16.0.0/27 link#2 UC 0 0 fxp0
172.16.0.31 ff:ff:ff:ff:ff:ff UHLWb 1 1 fxp0
Internet6:
Destination Gateway Flags =
Netif
Expire
::/96 ::1 UGRS =
lo0
=3D>
default 2001:470:1f08:3b7::1 UGS =
gif0
::1 ::1 UHL =
lo0
::ffff:0.0.0.0/96 ::1 UGRS =
lo0
2001:470:9130:8000::/64 link#2 UC =
fxp0
2001:470:9130:8000::1 00:13:20:b7:55:0a UHL =
lo0
fdcf:xxxx:xxxx::/48 link#2 UC =
fxp0
fdcf:xxxx:xxxx::1 00:13:20:b7:55:0a UHL =
lo0
fe80::/10 ::1 UGRS =
lo0
fe80::%rl0/64 link#1 UC =
rl0
fe80::200:21ff:fe23:cced%rl0 00:00:21:23:cc:ed UHL =
lo0
fe80::%fxp0/64 link#2 UC =
fxp0
fe80::213:20ff:feb7:550a%fxp0 00:13:20:b7:55:0a UHL =
lo0
fe80::%lo0/64 fe80::1%lo0 U =
lo0
fe80::1%lo0 link#4 UHL =
lo0
fe80::%ng0/64 link#5 UC =
ng0
fe80::200:21ff:fe23:cced%ng0 link#5 UHL =
lo0
fe80::%gif0/64 link#6 UC =
gif0
fe80::200:21ff:fe23:cced%gif0 link#6 UHL =
lo0
ff01:1::/32 link#1 UC =
rl0
ff01:2::/32 link#2 UC =
fxp0
ff01:4::/32 ::1 UC =
lo0
ff01:5::/32 link#5 UC =
ng0
ff01:6::/32 link#6 UC =
gif0
ff02::/16 ::1 UGRS =
lo0
ff02::%rl0/32 link#1 UC =
rl0
ff02::%fxp0/32 link#2 UC =
fxp0
ff02::%lo0/32 ::1 UC =
lo0
ff02::%ng0/32 link#5 UC =
ng0
ff02::%gif0/32 link#6 UC =
gif0
% traceroute6 -I -n 2001:4860:0:2001::68
traceroute6 to 2001:4860:0:2001::68 (2001:4860:0:2001::68) from
2001:470:9130:8000::1, 64 hops max, 16 byte packets
1 2001:470:1f08:3b7::1 254.691 ms 255.460 ms 254.047 ms
2 * * *
3 * * *
4 * * *
5 * * *
6 * * *
7 * * *
^C
---->8---->8----
This configuration works fine for me, except for now. The technical support=
=20
person at the HE's end told their is no problem at HE's end, and it servers=
are=20
working fine.
On googling I found a similar problem[1] reported on freebsd-current last y=
ear.=20
And similar to what mentioned in the diff[2] in the followup[3], I found=20
following in my sys/netinet6/in6_gif.c, wondering if it has to do anything =
with=20
the issue. Please note the calls to the rtfree() function. Shouldn't that c=
all=20
be replaced with RTFREE_LOCKED(). This is just a guess, not sure if that ha=
s=20
anything to do with it.
365 if (!rt || rt->rt_ifp !=3D ifp) {
366 #if 0
367 char ip6buf[INET6_ADDRSTRLEN];
368 log(LOG_WARNING, "%s: packet from %s dropped "
369 "due to ingress filter\n", if_name(GIF2IFP(=
sc)),
370 ip6_sprintf(ip6buf, &sin6.sin6_addr));
371 #endif
372 if (rt)
373 rtfree(rt);
374 return 0;
375 }
376 rtfree(rt);
377 }
378
379 return 128 * 2;
380 }
Refernces:
[1] - http://lists.freebsd.org/pipermail/freebsd-current/2007-August/076401=
=2Ehtml
[2] -=20
http://lists.freebsd.org/pipermail/freebsd-current/attachments/20070828/1ba=
d9902/rt-0001.bin
[3] - =20
http://lists.freebsd.org/pipermail/freebsd-current/2007-August/076494.html
Thanks
Ashish Shukla
--
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=B7- =C2=B7- =C2=B7--=C2=B7-=C2=B7 --=C2=B7 -- =C2=B7- =C2=B7=C2=B7 =C2=B7-=
=C2=B7=C2=B7 =C2=B7-=C2=B7-=C2=B7- -=C2=B7-=C2=B7 --- --
--/04w6evG8XlLl3ft
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