Date: Thu, 20 Jul 1995 11:45:49 +0200 (MET DST) From: Didier Derny <didier@omnix.fr.org> To: gibbs@freefall.cdrom.com (Justin T. Gibbs) Cc: questions@freebsd.org Subject: Re: FreeBSD 2.0R Sluggish network 8kb/s Message-ID: <199507200945.LAA02470@zapata.omnix.fr.org> In-Reply-To: <199507200820.BAA27435@freefall.cdrom.com> from "Justin T. Gibbs" at Jul 20, 95 01:20:53 am
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>>
> >Hi
> >
> >I have a serious problem with the network. It is extremely sluggish.
> >It worked fine between FreeBSD 2.0 and Interactive Unix.
> >
> >What can I do now ?
> >
> >Thanks for your help
> >
> >+---------------------+
> >| Didier Derny |
> >| didier@omnix.fr.org |
> >+---------------------+
>
> You can start by telling us what kind of system you have. Without knowing
> anything about your hardware or setup, we have no way of telling the
> difference between a corroded t-connector, or a driver bug.
>
> --
> Justin T. Gibbs
> ===========================================
> Software Developer - Walnut Creek CDROM
> FreeBSD: Turning PCs into workstations
> ===========================================
>
Hi
As required I send you the configuration of both machines.
result of dmesg
------------------------------------------------------------
FreeBSD 2.0-RELEASE #0: Wed Jul 19 15:25:43 MET DST 1995
root@zapata:/usr/src/sys/compile/ZAPATA
CPU: i486DX (486-class CPU)
real memory = 16384000 (4000 pages)
avail memory = 14962688 (3653 pages)
using 290 buffers containing 2379776 bytes of memory
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <8 virtual consoles>
ed0 at 0x300-0x31f irq 5 maddr 0xca000 msize 8192 on isa
ed0: address 00:00:c0:24:2e:40, type WD8003EP (8 bit)
bpf: ed0 attached
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: [0: fd0: 1.44MB 3.5in]
ahb0: reading board settings, int=11
ahb0 at 0x8000-0x8fff irq 11 on eisa
ahb0 waiting for scsi devices to settle
ahb0 targ 0 lun 0: type 0(direct) fixed SCSI2
ahb0 targ 0 lun 0: <FUJITSU M2694ES-512 812A>
sd0: 1033MB (2117025 total sec), 1819 cyl, 15 head, 77 sec, bytes/sec 512
ahb0 targ 2 lun 0: type 1(sequential) removable SCSI2
ahb0 targ 2 lun 0: <ARCHIVE Python 28388-XXX4.94>
st0: density code 0x13, 512-byte blocks, write-enabled
ahb0 targ 6 lun 0: type 5(readonly) removable SCSI2
ahb0 targ 6 lun 0: <NEC CD-ROM DRIVE:8411.0 >
cd0: cd present.[44220 x 2048 byte records]
ie0 at 0x360-0x367 irq 7 maddr 0xd0000 msize 16384 on isa
<NI5210 R1> ethernet address 02:07:01:08:b5:95
bpf: ie0 attached
npx0 on motherboard
changing root device to sd0a
bpf: lo0 attached
bpf: ppp0 attached
WARNING: / was not properly dismounted
st0: bad request, must be between 0 and 0
result of netstat -i
------------------------------------------------------------
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
ed0 1500 <Link>00.00.c0.24.2e.40 57248 9 56685 12 212
ed0 1500 128.127 zapata.omnix.fr 57248 9 56685 12 212
ie0 1500 <Link>02.07.01.08.b5.95 7547 0 7653 0 0
ie0 1500 emnet idem00 7547 0 7653 0 0
lo0 65532 <Link> 7629 0 7629 0 0
lo0 65532 your-net localhost 7629 0 7629 0 0
ppp0* 1500 <Link> 34 0 55 0 0
result of netstat -s
------------------------------------------------------------
ip:
72515 total packets received
1 bad header checksum
0 with size smaller than minimum
0 with data size < data length
0 with header length < data size
0 with data length < header length
0 with bad options
0 with incorrect version number
0 fragments received
0 fragments dropped (dup or out of space)
0 fragments dropped after timeout
0 packets reassembled ok
72485 packets for this host
29 packets for unknown/unsupported protocol
0 packets forwarded
0 packets not forwardable
0 redirects sent
72197 packets sent from this host
0 packets sent with fabricated ip header
0 output packets dropped due to no bufs, etc.
90 output packets discarded due to no route
0 output datagrams fragmented
0 fragments created
0 datagrams that can't be fragmented
icmp:
29 calls to icmp_error
0 errors not generated 'cuz old message was icmp
Output histogram:
echo reply: 32
destination unreachable: 29
0 messages with bad code fields
0 messages < minimum length
0 bad checksums
0 messages with bad length
Input histogram:
echo reply: 9
destination unreachable: 28
echo: 32
32 message responses generated
igmp:
0 messages received
0 messages received with too few bytes
0 messages received with bad checksum
0 membership queries received
0 membership queries received with invalid field(s)
0 membership reports received
0 membership reports received with invalid field(s)
0 membership reports received for groups to which we belong
0 membership reports sent
tcp:
69176 packets sent
51284 data packets (45288302 bytes)
8224 data packets (6797878 bytes) retransmitted
9580 ack-only packets (0 delayed)
0 URG only packets
11 window probe packets
0 window update packets
82 control packets
69439 packets received
41800 acks (for 45260631 bytes)
10071 duplicate acks
0 acks for unsent data
3298 packets (115969 bytes) received in-sequence
6231 completely duplicate packets (6462 bytes)
0 old duplicate packets
0 packets with some dup. data (0 bytes duped)
44 out-of-order packets (2648 bytes)
3 packets (0 bytes) of data after window
0 window probes
8142 window update packets
1 packet received after close
1 discarded for bad checksum
0 discarded for bad header offset fields
0 discarded because packet too short
28 connection requests
55 connection accepts
78 connections established (including accepts)
92 connections closed (including 13 drops)
0 embryonic connections dropped
41723 segments updated rtt (of 40616 attempts)
2442 retransmit timeouts
1 connection dropped by rexmit timeout
12 persist timeouts
20 keepalive timeouts
0 keepalive probes sent
0 connections dropped by keepalive
16933 correct ACK header predictions
2265 correct data packet header predictions
12635 PCB cache misses
udp:
3006 datagrams received
0 with incomplete header
0 with bad data length field
0 with bad checksum
29 dropped due to no socket
0 broadcast/multicast datagrams dropped due to no socket
0 dropped due to full socket buffers
2977 delivered
2935 datagrams output
result of dmesg
-----------------------------------------------------------------------
FreeBSD 2.0-RELEASE #0: Wed Jul 5 14:06:55 MET DST 1995
root@panoramix:/usr/src/sys/compile/PANORAMIX
CPU: i486DX (486-class CPU)
real memory = 16384000 (4000 pages)
avail memory = 14868480 (3630 pages)
using 290 buffers containing 2379776 bytes of memory
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <8 virtual consoles>
ed0 not found at 0x300
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16450
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16450
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: [0: fd0: 1.44MB 3.5in]
ahc0 not found
ahb0 not found
aha0: 1542C/CF detected, unlocking mailbox
aha0: reading board settings, dma=5 int=11 100 nSEC ok, using 150 nSEC
aha0 at 0x330-0x333 irq 11 drq 5 on isa
aha0 waiting for scsi devices to settle
aha0 targ 0 lun 0: type 0(direct) fixed SCSI2
aha0 targ 0 lun 0: <FUJITSU M2694ES-512 8134>
sd0: 1033MB (2117025 total sec), 1819 cyl, 15 head, 77 sec, bytes/sec 512
ie0 at 0x360-0x367 irq 5 maddr 0xcc000 msize 16384 on isa
<NI5210 R1> ethernet address 02:07:01:06:ff:72
bpf: ie0 attached
npx0 on motherboard
changing root device to sd0a
bpf: lo0 attached
bpf: ppp0 attached
bpf: sl0 attached
result of netstart -i
-----------------------------------------------------------------------
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
lp0* 1500 <Link> 0 0 0 0 0
ie0 1500 <Link>02.07.01.06.ff.72 19233 771 20610 0 2
ie0 1500 128.127 panoramix 19233 771 20610 0 2
lo0 65532 <Link> 163 0 163 0 0
lo0 65532 your-net localhost 163 0 163 0 0
ppp0* 1500 <Link> 0 0 0 0 0
sl0* 552 <Link> 0 0 0 0 0
result of netstart -s
-----------------------------------------------------------------------
ip:
19427 total packets received
0 bad header checksums
0 with size smaller than minimum
0 with data size < data length
0 with header length < data size
0 with data length < header length
0 with bad options
0 with incorrect version number
0 fragments received
0 fragments dropped (dup or out of space)
0 fragments dropped after timeout
0 packets reassembled ok
19399 packets for this host
28 packets for unknown/unsupported protocol
0 packets forwarded
0 packets not forwardable
0 redirects sent
20770 packets sent from this host
0 packets sent with fabricated ip header
0 output packets dropped due to no bufs, etc.
0 output packets discarded due to no route
0 output datagrams fragmented
0 fragments created
0 datagrams that can't be fragmented
icmp:
28 calls to icmp_error
0 errors not generated 'cuz old message was icmp
Output histogram:
destination unreachable: 28
0 messages with bad code fields
0 messages < minimum length
0 bad checksums
0 messages with bad length
Input histogram:
destination unreachable: 28
0 message responses generated
igmp:
0 messages received
0 messages received with too few bytes
0 messages received with bad checksum
0 membership queries received
0 membership queries received with invalid field(s)
0 membership reports received
0 membership reports received with invalid field(s)
0 membership reports received for groups to which we belong
0 membership reports sent
tcp:
20617 packets sent
12227 data packets (3100957 bytes)
90 data packets (23040 bytes) retransmitted
7283 ack-only packets (0 delayed)
0 URG only packets
4 window probe packets
987 window update packets
26 control packets
19277 packets received
11932 acks (for 3101012 bytes)
13 duplicate acks
0 acks for unsent data
3681 packets (5130878 bytes) received in-sequence
782 completely duplicate packets (114524 bytes)
0 old duplicate packets
4 packets with some dup. data (5696 bytes duped)
2787 out-of-order packets (3992996 bytes)
0 packets (0 bytes) of data after window
0 window probes
70 window update packets
2 packets received after close
0 discarded for bad checksums
0 discarded for bad header offset fields
0 discarded because packet too short
7 connection requests
27 connection accepts
34 connections established (including accepts)
47 connections closed (including 1 drop)
0 embryonic connections dropped
11848 segments updated rtt (of 11935 attempts)
86 retransmit timeouts
0 connections dropped by rexmit timeout
4 persist timeouts
0 keepalive timeouts
0 keepalive probes sent
0 connections dropped by keepalive
11115 correct ACK header predictions
3294 correct data packet header predictions
170 PCB cache misses
udp:
122 datagrams received
0 with incomplete header
0 with bad data length field
0 with bad checksum
28 dropped due to no socket
0 broadcast/multicast datagrams dropped due to no socket
0 dropped due to full socket buffers
94 delivered
122 datagrams output
Thanks for your help
+---------------------+
| Didier Derny |
| didier@omnix.fr.org |
+---------------------+
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