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Special K
n00b
Joined: 24 Aug 2004
Posts: 20
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 Posted: Mon Dec 25, 2006 1:36 am Post subject: wierd eth0 errors. 100BaseT slow like modem |
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since about two weeks my gentoo suffers from a very high error rate on eth0 and so caused low transfer rates. it seems to me theat it is not a continuous situation, but most of time.
I'm definitly  
here is what ifconfig and ... are crying:
Note: eth0 is on bridge pan0 (for hanging incoming bnep? bluetooth clients in)
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# brctl show
bridge name bridge id STP enabled interfaces
pan0 8000.004063db13f3 yes eth0
# ifconfig
eth0 Link encap:Ethernet HWaddr 00:40:63:EB:12:F6
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:9612 errors:0 dropped:0 overruns:0 frame:0
TX packets:14690 errors:2035072 dropped:0 overruns:2035031 carrier:0
collisions:773 txqueuelen:1000
RX bytes:936814 (914.8 Kb) TX bytes:5753833 (5.4 Mb)
Interrupt:11 Base address:0x2000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:458 errors:0 dropped:0 overruns:0 frame:0
TX packets:458 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:152267 (148.6 Kb) TX bytes:152267 (148.6 Kb)
pan0 Link encap:Ethernet HWaddr 00:40:63:EB:12:F6
inet addr:172.16.0.20 Bcast:172.16.0.255 Mask:255.255.255.0
UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 Metric:1
RX packets:9530 errors:0 dropped:0 overruns:0 frame:0
TX packets:10825 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:723438 (706.4 Kb) TX bytes:5818823 (5.5 Mb)
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dmesg shows me strange behavior too:
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pan0: port 2(bnep0) entering learning state
pan0: topology change detected, propagating
pan0: port 2(bnep0) entering forwarding state
NETDEV WATCHDOG: eth0: transmit timed out
eth0: Transmit timed out, status 0000, PHY status 786d, resetting...
via-rhine: Reset not complete yet. Trying harder.
eth0: Promiscuous mode enabled.
eth0: link up, 100Mbps, half-duplex, lpa 0x45E1
NETDEV WATCHDOG: eth0: transmit timed out
eth0: Transmit timed out, status 0000, PHY status 786d, resetting...
via-rhine: Reset not complete yet. Trying harder.
eth0: Promiscuous mode enabled.
eth0: link up, 100Mbps, half-duplex, lpa 0x45E1
NETDEV WATCHDOG: eth0: transmit timed out
eth0: Transmit timed out, status 0000, PHY status 786d, resetting...
via-rhine: Reset not complete yet. Trying harder.
eth0: Promiscuous mode enabled.
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moocha
Watchman
Joined: 21 Oct 2003
Posts: 5722
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| Posted: Mon Dec 25, 2006 2:59 am Post subject: |
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If you didn't recently recompile your kernel, then the obvious first thing to do is to swap out that card for a known good one and see if the problem persists (also try placing it in a different PCI slot, just in the unlikely case it's the slot or interference from a nearby card). Next obvious thing to do: Check the cabling and the connectors. It's almost certainly a hardware problem.
If you did change kernels, then revert to the known good one or fiddle with the via-rhine driver MMIO settings if you changed them from the defaults.
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Special K
n00b
Joined: 24 Aug 2004
Posts: 20
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| Posted: Wed Dec 27, 2006 1:08 am Post subject: |
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ok, the problem is getting a shape, but an unlogical one.
Those TX-overflow-errors appear just after starting the system and last for some hours, then everything runs as usual and no new errors appear.
I tried another cable - nothing changes.
The wierd thing: I tried an usb-lan adapter (eth0 is a build in one and there are no pci slots free)
ifconfig does not list any errors:
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eth2 Link encap:Ethernet HWaddr 00:C0:26:10:6E:C4
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5134 errors:0 dropped:0 overruns:0 frame:0
TX packets:7005 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:600423 (586.3 Kb) TX bytes:8385239 (7.9 Mb)
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Now it's getting crazy: on high traffic the RUNNING state disapears periodically and transmitting occours in short bulk blocks resulting in a likewise very low performance.
pan0: topology change detected, propagating
pan0: port 1(eth2) entering forwarding state
pan0: port 1(eth2) entering disabled state
pan0: port 1(eth2) entering listening state
pan0: port 1(eth2) entering learning state
pan0: topology change detected, propagating
pan0: port 1(eth2) entering forwarding state
pan0: port 1(eth2) entering disabled state
pan0: port 1(eth2) entering listening state
pan0: port 1(eth2) entering learning state
oh.. dmesg is flooded by thousands of those lines:
Since i haven't changed system related things like kernel and modules for upon one year, I would bet it's a hardware thing. On the other hand the behavior of (the new) eth2 is confusing me.
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Last edited by Special K on Wed Dec 27, 2006 1:12 am; edited 1 time in total |
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Jimi...
Tux's lil' helper
Joined: 06 Aug 2005
Posts: 136
Location: IoM
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| Posted: Wed Dec 27, 2006 1:11 am Post subject: |
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What NIC is it?
What's the spec of your PC?
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Special K
n00b
Joined: 24 Aug 2004
Posts: 20
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| Posted: Wed Dec 27, 2006 1:22 am Post subject: |
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thanks for your fast reply. after your reply I have found something in dmesg (see above).
The usb-lan adaptor is an ADMtek (eth2)
The built in is a via-rhine. (eth0)
eth1 seems to be the TV-card
The PC is one of the Via-EPIA Fanless (600Mhz) with one haupauge pvr 150 as TV-card. (so now we have a vdr .. had a vdr?)
here are lspci and lsusb
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# lsusb
Bus 004 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 003: ID 07a6:8513 ADMtek, Inc.
Bus 002 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle
Bus 002 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000
# lspci
0000:00:00.0 Host bridge: VIA Technologies, Inc. VT8623 [Apollo CLE266]
0000:00:01.0 PCI bridge: VIA Technologies, Inc. VT8633 [Apollo Pro266 AGP]
0000:00:0d.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller (rev 80)
0000:00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80)
0000:00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80)
0000:00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80)
0000:00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82)
0000:00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
0000:00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
0000:00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50)
0000:00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 74)
0000:00:14.0 Multimedia video controller: Internext Compression Inc iTVC16 (CX23416) MPEG-2 Encoder (rev 01)
0000:01:00.0 VGA compatible controller: VIA Technologies, Inc. VT8623 [Apollo CLE266] integrated CastleRock graphics (rev 03)
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opentaka
l33t
Joined: 18 Feb 2005
Posts: 840
Location: Japan
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| Posted: Wed Dec 27, 2006 11:00 am Post subject: |
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it looks like the hardware failure to me, but will you boot up with gentoo live(install) cd and see if the problem is still there?
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Special K
n00b
Joined: 24 Aug 2004
Posts: 20
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| Posted: Thu Dec 28, 2006 1:58 am Post subject: |
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I have booted up with livecd and here the problem had gone.
So if this was not just a random effect, it seems to be a software problem.
I will play around a little bit with kernel .config
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