Re: [Discussion] web100 chokes network activity under 2.6.15

[Maurice Volaski <mvolaski@xxxxxxxxxxxx>]

> If you have not already, could you try this experiment?  Take the kernel tree
> you're using, and reverse the Web100 patch (patch -Rp1 path-to-web100-patch). 
> (Alternatively, get a clean 2.6.15.6 tree, and copy the .config from your
> web100 tree to the clean tree.)  Do 'make oldconfig; make', then install the
> kernel, boot it, and run your applications.  Does this make a difference?

I'm not sure that's necessary.

In menuconfig, there is the option,
IP: Web100 networking enhancements

Initially, I had that starred and only that starred. At this point, 
networking was working fine and I actually thought the problem was 
gone.  But when I tried to run ndt, it wouldn't work, and I saw a 
message that it couldn't access /proc/web100/header.

I went deeper in menuconfig and discovered there are suboptions
Web100: Extended TCP statistics
Web100: Netlink event notification service

I turned both of these on.

(The option Web100: Net100 extensions is off.)

Then I rebooted and noticed that web100 shows up in /proc. I tried 
the network (i.e., rsync) and it got hung up.
--

Maurice Volaski, mvolaski@xxxxxxxxxxxx
Computing Support, Rose F. Kennedy Center
Albert Einstein College of Medicine of Yeshiva University

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