Help - Linux network I/O problem w/dual PIII 600 processors

Help - Linux network I/O problem w/dual PIII 600 processors

Post by Troy » Sun, 31 Dec 1899 09:00:00



Problem - Running RH Linux 6.1 and 2.  Lots of network IO causes system to
freeze.  Running data through Apache on full-duplex, 100mb network for about 5
minutes causes hang.

Hardware - Dual Intel PIII600, ASUS P2B-DS motherboard w/ 1012B (latest) BIOS,
512MB RAM, 3C905B.

Details - I have tried Linux kernels 2.2.12, 2.2.14 and 2.3.99 pre6.  Tried
several versions of Donald Becker's 3c59x driver and 3Com's 3c90x driver.  
Tried Intel EEPro 10/100 and NetGear FA310TX cards.  Have tried several
settings for max_interrupt_work from 20 - 10000.  Occasionally get NIC debug
messages regarding "too much work in interrupt", though usually no messages.

Replacing PIII600s with PII350s seems to solve the problem but sacrifices
speed.  Forcing network to half-duplex also solves problem, but again
sacrifices speed.

Any help or suggestions would be a great help

Thanks

Troy


Just remove the xxx's for direct e-mail.

 
 
 

1. Help - Linux network I/O problem w/dual PIII 600 processors

Problem - Running RH Linux 6.1 and 2.  Lots of network IO causes system to
freeze.  Running data through Apache on full-duplex, 100mb network for about 5
minutes causes hang.

Hardware - Dual Intel PIII600, ASUS P2B-DS motherboard w/ 1012B (latest) BIOS,
512MB RAM, 3C905B.

Details - I have tried Linux kernels 2.2.12, 2.2.14 and 2.3.99 pre6.  Tried
several versions of Donald Becker's 3c59x driver and 3Com's 3c90x driver.  
Tried Intel EEPro 10/100 and NetGear FA310TX cards.  Have tried several
settings for max_interrupt_work from 20 - 10000.  Occasionally get NIC debug
messages regarding "too much work in interrupt", though usually no messages.

Replacing PIII600s with PII350s seems to solve the problem but sacrifices
speed.  Forcing network to half-duplex also solves problem, but again
sacrifices speed.

Any ideas or suggestions would be a great help.

Thanks

Troy

Just remove the xxx's from the e-mail for direct response

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