Date: Tue, 08 Jul 2014 09:14:53 -0400 From: Bob Healey <healer@rpi.edu> To: freebsd-stable@freebsd.org Subject: Re: Interactions with mxge, pf, nfsd, and the kernel Message-ID: <53BBEECD.6000709@rpi.edu> In-Reply-To: <53B42139.302@rpi.edu> References: <53B42139.302@rpi.edu>
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I've been running one of these machines without pf, and it has ceased
responding on all interfaces (mxge and bce). The console still works
fine, and a reboot will clear the problems for now. I'm running out of
ideas.
root@helo:~ # netstat -i
Name Mtu Network Address Ipkts Ierrs Idrop
Opkts Oerrs Coll
mxge0 9000 <Link#1> 00:60:dd:44:d2:07 44838061 164399 0
31944144 0 0
mxge0 9000 fe80::260:ddf fe80::260:ddff:fe 0 - -
3 - -
bce0 1500 <Link#2> 08:9e:01:50:a3:08 97018 0 0
0 0 0
bce0 1500 fe80::a9e:1ff fe80::a9e:1ff:fe5 0 - -
3 - -
bce1 1500 <Link#3> 08:9e:01:50:a3:09 889442915 1791 0
557044449 0 0
bce1 1500 128.113.12.0 helo 888129846 - -
676300451 - -
bce1 1500 fe80::a9e:1ff fe80::a9e:1ff:fe5 0 - -
4 - -
lo0 16384 <Link#4> 28448 0 0
28448 0 0
lo0 16384 localhost ::1 59 - -
59 - -
lo0 16384 fe80::1%lo0 fe80::1 0 - -
0 - -
lo0 16384 your-net localhost 28389 - -
28389 - -
vlan2 9000 <Link#5> 00:60:dd:44:d2:07 28107520 0 0
19859118 0 0
vlan2 9000 10.2.3.0 helo.galactica.lo 28088754 - -
24433917 - -
vlan2 9000 fe80::260:ddf fe80::260:ddff:fe 0 - -
3 - -
vlan2 9000 <Link#6> 00:60:dd:44:d2:07 16730541 0 0
12084894 0 0
vlan2 9000 10.2.4.0 helo.enterprise.l 16724370 - -
12924742 - -
vlan2 9000 fe80::260:ddf fe80::260:ddff:fe 0 - -
3 - -
root@helo:~ # netstat -m
7632/6798/14430 mbufs in use (current/cache/total)
4186/2886/7072/1018944 mbuf clusters in use (current/cache/total/max)
4080/1420 mbuf+clusters out of packet secondary zone in use (current/cache)
0/6/6/509472 4k (page size) jumbo clusters in use (current/cache/total/max)
593/25/618/150954 9k jumbo clusters in use (current/cache/total/max)
0/0/0/84912 16k jumbo clusters in use (current/cache/total/max)
15617K/7720K/23337K bytes allocated to network (current/cache/total)
3/72461/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
0/0/0 requests for mbufs delayed (mbufs/clusters/mbuf+clusters)
0/0/0 requests for jumbo clusters delayed (4k/9k/16k)
122/391912/0 requests for jumbo clusters denied (4k/9k/16k)
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile
root@helo:~ # uptime
9:07AM up 12 days, 8:15, 1 user, load averages: 0.19, 0.19, 0.20
root@helo:~ # ifconfig
mxge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
options=6c03bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
ether 00:60:dd:44:d2:07
inet6 fe80::260:ddff:fe44:d207%mxge0 prefixlen 64 scopeid 0x1
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet 10Gbase-CX4 <full-duplex>
status: active
bce0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=c01bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,VLAN_HWTSO,LINKSTATE>
ether 08:9e:01:50:a3:08
inet6 fe80::a9e:1ff:fe50:a308%bce0 prefixlen 64 scopeid 0x2
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
bce1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=c01bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,VLAN_HWTSO,LINKSTATE>
ether 08:9e:01:50:a3:09
inet 128.113.12.134 netmask 0xffffff00 broadcast 128.113.12.255
inet6 fe80::a9e:1ff:fe50:a309%bce1 prefixlen 64 scopeid 0x3
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex,master>)
status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
inet 127.0.0.1 netmask 0xff000000
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
vlan23: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
options=303<RXCSUM,TXCSUM,TSO4,TSO6>
ether 00:60:dd:44:d2:07
inet 10.2.3.244 netmask 0xffffff00 broadcast 10.2.3.255
inet6 fe80::260:ddff:fe44:d207%vlan23 prefixlen 64 scopeid 0x5
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet 10Gbase-CX4 <full-duplex>
status: active
vlan: 23 parent interface: mxge0
vlan24: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
options=303<RXCSUM,TXCSUM,TSO4,TSO6>
ether 00:60:dd:44:d2:07
inet 10.2.4.244 netmask 0xffffff00 broadcast 10.2.4.255
inet6 fe80::260:ddff:fe44:d207%vlan24 prefixlen 64 scopeid 0x6
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet 10Gbase-CX4 <full-duplex>
status: active
vlan: 24 parent interface: mxge0
rc.conf:
hostname="helo.bio.rpi.edu"
ifconfig_bce1=" inet 128.113.12.134 netmask 0xffffff00"
ifconfig_mxge0="up mtu 9000"
ifconfig_bce0="up"
cloned_interfaces="vlan23 vlan24"
ifconfig_vlan23="inet 10.2.3.244 netmask 255.255.255.0 vlan 23 vlandev
mxge0"
ifconfig_vlan24="inet 10.2.4.244 netmask 255.255.255.0 vlan 24 vlandev
mxge0"
defaultrouter="128.113.12.254"
sshd_enable="YES"
ntpd_enable="YES"
powerd_enable="YES"
# Set dumpdev to "AUTO" to enable crash dumps, "NO" to disable
dumpdev="NO"
zfs_enable="YES"
nisdomainname="GALACTICA.BIO.RPI.EDU"
ntpdate_enable="YES"
ntpdate_hosts="ntp.rpi.edu"
rpc_lockd_enable="YES"
rpc_statd_enable="YES"
rpcbind_enable="YES"
nis_client_enable="YES"
nis_client_flags="-m -S GALACTICA.BIO.RPI.EDU,adama.galactica.local"
nfs_server_enable="YES"
mountd_enable="YES"
nfsd_enable="YES"
apcupsd_enable="YES"
#pf_enable="YES"
netwait_enable="YES"
netwait_ip="128.113.12.254"
netwait_if="mxge0"
static_routes="management"
route_management="-net 10.1.1.0/24 10.2.3.254"
amd_enable="YES" # Run amd service with $amd_flags (or NO).
amd_flags="-a /.amd_mnt -l syslog /home amd.home"
amd_map_program="NO" # Can be set to "ypcat -k amd.master"
root@helo:~ # uname -a
FreeBSD helo.bio.rpi.edu 10.0-RELEASE-p4 FreeBSD 10.0-RELEASE-p4 #0: Tue
Jun 3 13:14:57 UTC 2014
root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
Bob Healey
Systems Administrator
Biocomputation and Bioinformatics Constellation
and Molecularium
healer@rpi.edu
(518) 276-4407
On 7/2/2014 11:11 AM, Bob Healey wrote:
> Hello.
>
> I've been wrestling with this on and off for a few months now. I have
> an assortment of systems (some Dell Poweredge R515, R610, and IBM
> x3630M3) with 10 gig Myricom ethernet cards acting as nfs servers to
> Linux HPC compute clusters (12-36 nodes, 384 - 480 cores) connected
> via gigabit ethernet. They are also connected to the outside world
> via onboard bce (Dell) or igb (IBM). After a variable length of time,
> I will lose all network access to a host. Connecting via console, the
> machine tends to be fully responsive. A reboot clears the problem, but
> I have yet to figure out any sysctls/loader.conf tunables to clear the
> problem and make it stay away. PF is in use to restrict access to the
> host to a pair of public /24's, and to 10/8. If there is a way in
> zfs's sharenfs property to make that restriction, I'd be happy to
> change, but I really don't like leaving nfs open to the university's
> quartet of /16's, so PF it is. The vlan2 interface has mxge0 as its
> parent.
>
> Thanks for any help.
>
> This host is getting ready to crash soon, based on netstat.
> root@husker:~ # netstat -i
> Name Mtu Network Address Ipkts Ierrs Idrop Opkts
> Oerrs Coll
> mxge0 9000 <Link#1> 00:60:dd:44:d2:0a 6358280 262 0
> 4061637 0 0
> mxge0 9000 fe80::260:ddf fe80::260:ddff:fe 0 - -
> 2 - -
> bce0 1500 <Link#2> 08:9e:01:50:a1:ac 276391 0 0
> 0 0 0
> bce0 1500 fe80::a9e:1ff fe80::a9e:1ff:fe5 0 - -
> 3 - -
> bce1 1500 <Link#3> 08:9e:01:50:a1:ad 2229709391 16921 0
> 1182942116 0 0
> bce1 1500 128.113.12.0 husker 2226254093 - -
> 1183962005 - -
> bce1 1500 fe80::a9e:1ff fe80::a9e:1ff:fe5 0 - -
> 3 - -
> lo0 16384 <Link#4> 2030 0 0
> 2030 0 0
> lo0 16384 localhost ::1 4 - -
> 4 - -
> lo0 16384 fe80::1%lo0 fe80::1 0 - -
> 0 - -
> lo0 16384 your-net localhost 2026 - -
> 2026 - -
> vlan2 9000 <Link#5> 00:60:dd:44:d2:0a 4387250 0 0
> 3060586 0 0
> vlan2 9000 10.2.3.0 husker.galactica. 4370309 - -
> 3963931 - -
> vlan2 9000 fe80::260:ddf fe80::260:ddff:fe 0 - -
> 2 - -
> vlan2 9000 <Link#6> 00:60:dd:44:d2:0a 1971034 0 0
> 1001061 0 0
> vlan2 9000 10.2.4.0 husker.enterprise 1700742 - -
> 1961891 - -
> vlan2 9000 fe80::260:ddf fe80::260:ddff:fe 0 - -
> 4 - -
> root@husker:~ # netstat -im
> 6157/3233/9390 mbufs in use (current/cache/total)
> 4081/1883/5964/1018800 mbuf clusters in use (current/cache/total/max)
> 4080/795 mbuf+clusters out of packet secondary zone in use
> (current/cache)
> 0/5/5/509399 4k (page size) jumbo clusters in use
> (current/cache/total/max)
> 512/23/535/150933 9k jumbo clusters in use (current/cache/total/max)
> 0/0/0/84899 16k jumbo clusters in use (current/cache/total/max)
> 14309K/4801K/19110K bytes allocated to network (current/cache/total)
> 10/1883/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
> 0/0/0 requests for mbufs delayed (mbufs/clusters/mbuf+clusters)
> 0/0/0 requests for jumbo clusters delayed (4k/9k/16k)
> 2/1736/0 requests for jumbo clusters denied (4k/9k/16k)
> 0 requests for sfbufs denied
> 0 requests for sfbufs delayed
> 0 requests for I/O initiated by sendfile
> root@husker:~ # uptime
> 11:07AM up 23 days, 19:27, 1 user, load averages: 0.14, 0.17, 0.13
> root@husker:~ # sysctl -a | grep nmb
> kern.ipc.nmbclusters: 1018800
> kern.ipc.nmbjumbop: 509399
> kern.ipc.nmbjumbo9: 452799
> kern.ipc.nmbjumbo16: 339596
> kern.ipc.nmbufs: 6520320
> root@husker:~ # cat /boot/loader.conf
> zfs_load="YES"
> amdtemp_load="YES"
> if_mxge_load="YES"
> mxge_ethp_z8e_load="YES"
> mxge_eth_z8e_load="YES"
> mxge_rss_ethp_z8e_load="YES"
> mxge_rss_eth_z8e_load="YES"
> vfs.zfs.arc_max="12288M"
> root@husker:~ # cat /var/run/dmesg.boot | head -16
> Copyright (c) 1992-2014 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 10.0-RELEASE-p4 #0: Tue Jun 3 13:14:57 UTC 2014
> root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
> FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610
> CPU: AMD Opteron(tm) Processor 4122 (2200.07-MHz K8-class CPU)
> Origin = "AuthenticAMD" Id = 0x100f80 Family = 0x10 Model = 0x8
> Stepping = 0
> Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
>
> Features2=0x802009<SSE3,MON,CX16,POPCNT>
> AMD
> Features=0xee500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM,3DNow!+,3DNow!>
> AMD
> Features2=0x837ff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW,IBS,SKINIT,WDT,NodeId>
> TSC: P-state invariant
> real memory = 17179869184 (16384 MB)
> avail memory = 16588054528 (15819 MB)
>
>
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