Horrific performance and stability problems

[Jason Holmes]

Don Becker's v0.11 driver has been the only one that I've used that has
worked reliably... you might want to try it:

  ftp://cesdis.gsfc.nasa.gov/pub/linux/drivers/test/hamachi.c

--
Jason Holmes


Gary Jackson wrote:
> 
> I'm having a lot of problems with the v0.14 driver for the GNIC-II
> card.  With nttcp, I'm getting 4-6Mbits accross the network (both
> accross a PowerRail 2200 and back to back).  These errors appear on
> the console, and in /var/log/messages:
> 
> kmem_free: Either bad obj addr or double free (objp=cf27a000, name=size-2048)
> 
> The nodes eventually crash (but have been pretty stable when I haven't
> been pushing the NICs).
> 
> The nodes are dual processor running Redhat 6.0 with SMP kernel
> v2.2.12.
> 
> I've tried increasing the value of max_interrupt_work, but that hasn't
> alleviated the problem.  For now, I'm going to try with kernel
> v2.2.13, and with the normal ethernet interface (3COM 3c980) driver
> loaded as a module.
> 
> Any help rendered is greatly appreciated.
> 
> --
>                                         Gary Jackson
>                                         bargle@umiacs.umd.edu
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