Messages in this thread | | | From | "Pedro Ribeiro" <> | Subject | Re: eepro100 frame errors with SMP | Date | Fri, 12 Mar 1999 12:16:23 -0000 |
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Linux 2.0.36 SMP MB N440BX DUAL PII333
eth0 Link encap:Ethernet HWaddr 00:A0:C9:D3:49:5C inet addr:193.137.220.5 Bcast:193.137.220.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:7963391 errors:109 dropped:0 overruns:0 frame:0 TX packets:7442105 errors:0 dropped:0 overruns:105 carrier:0 collisions:0 Interrupt:5 Base address:0x1060
Bus 0, device 15, function 0: Ethernet controller: Intel 82557 (rev 5). Medium devsel. Fast back-to-back capable. IRQ 5. Master Capable. Latency=64. Min Gnt=8.Max Lat=56. Prefetchable 32 bit memory at 0xfa104000. I/O at 0x1060. Non-prefetchable 32 bit memory at 0xfa000000.
The switch (SSII3300/3COM) reports in the port of the machine:
Port: 9 Port Speed: 100Mbps FD Auto
Received Stats Transmit Stats -------------- -------------- Unicast Packets: 6515190 Unicast Packets: 6520983 Non Unicast Packets: 312224 Non Unicast Packets: 1180400 Octets: 2638317328 Octets: 2530995564 Fragments: 0 Collisions: 0
Errors ------ Undersize: 0 Oversize: 0 CRC Error: 0 Jabbers: 0
Packet Size Analysis -------------------- 64 Octets: 7033666 256 to 511 Octets: 472429 65 to 127 Octets: 2793557 512 to 1023 Octets: 618470 128 to 255 Octets: 1116457 1024 to 1518 Octets: 2494218
Hope this helps.
PS: Some time ago i'v also detected that the RTL8029 under WinNT4.0 with the disk provided drivers don't enforce the minimum frame length.
[]---------------------------------------------------------------[] Pedro Ribeiro Online: http://www.isel.pt/~pribeiro/ IRC(PTnet) Nick: PAntMaR e-Mail: Personal: pribeiro@isel.pt Admin: admin@isel.pt []---------------------------------------------------------------[]
-----Original Message----- From: Alan Cox <alan@lxorguk.ukuu.org.uk> To: Alan Curry <pacman-kernel@cqc.com> Cc: linux-eepro100@cesdis1.gsfc.nasa.gov <linux-eepro100@cesdis1.gsfc.nasa.gov>; linux-kernel@vger.rutgers.edu <linux-kernel@vger.rutgers.edu> Date: Quinta-feira, 11 de Março de 1999 23:29 Subject: Re: eepro100 frame errors with SMP
>> kernels, leads us to believe that the problem only exists when more than one >> processor is being used. This smells like a driver bug to me. > >Assuming the eepro100 is counting tx underruns like normal drivers, and these >are TX then yes - the Linux box is sourcing short frames, the CRC on the cisco >is exactly what you would expect too. > >The problem is - the short TX frames are almost certainly PCI bus access >related. That is the chip can't get to main memory in time to get the bytes >it needs for the next piece of the packet before it empties its internal >FIFO. > >So what on your bus has a PCI latency set to 240/248 ? 8) > >Alan >
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