Problem with EPIC/100 latching up on RX
Thu Feb 25 10:31:34 1999
We have a problem with networking under Linux. We believe it is
the EPIC/100 Ethernet card driver, but it could be the Linux netwoking
The problem is that the ethernet interface seems to lock up occassionly.
appears that the system will accept no more packets until a packet is
It appears to be timing or packet size related. Using a tcp/ip test
the systems lock up when a transmitted buffer size of around 2568 bytes
sent via a write() call. With this saturated test the system will lock
about once per second.
The systems are:
Motherboard: Supermicro P6DBU
Processors: Pentium II 450Mhz
Ethernet: SMC Etherpower II
Linux: RedHat 5.2
Driver: EPIC/100 v1.03
Hub: Allied telesyn MR904TX
We have noticed this problem for around 6 months now with other
processors, hubs and switches, kernel versions and EPIC driver versions,
but have finaly got
around to trying to track down the problem.
Does anyone have any ideas ?
Dr Terry Barnaby BEAM Ltd
Phone: +44 1454 324512 Northavon Business Center, Dean Rd
Fax: +44 1454 313172 Yate, Bristol, BS17 5NH, UK
Email: firstname.lastname@example.org Web: www.beam.demon.co.uk
BEAM for: Visually Impaired X-Terminals, Parallel Processing, Software Dev
"Tandems are twice the fun !"
| To unsubscribe, send mail to Majordomo@cesdis.gsfc.nasa.gov, and within the
| body of the mail, include only the text:
| unsubscribe this-list-name email@example.com
| You will be unsubscribed as speedily as possible.