Re: cannot access a site with kernel 2.6.7 or 2.6.8, 2.6.6 is ok

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Mick Mearns wrote:
--- Daniel Lawson <daniel@xxxxxxxxxxx> wrote:

Only the 2.6.6 will access http://www.carsdirect.com/
The other two will just hang.
I used the same config file for each with a 'make oldconfig'

I tried Firefox 0.9.1, Konqueror 3.2.2-4 (kde 3.2.2-6 Red Hat),
and Mozilla (no version available while running Firefox).


I thought the site was down but accessed it from XP using Firefox

0.9.1

Then I rebooted to the lowest kernel and it worked in Linux.


What in the kernel could posibly cause this with only this site?



Having ECN enabled can cause this. Some routers see the ECN bit and
for some unknown reason, drop packets with them enabled on the floor.


cat /proc/sys/net/ipv4/tcp_ecn



[mick@athlon mick]$ su -
Password:
[root@athlon root]# cat /proc/sys/net/ipv4/tcp_ecn
0



If the result is 1, you have ECN enabled. If it's 0, you don't,


Thanks for the reply;
  I am going to look at the .config files very carefully.
Although I doubt the problem is there.

Could be the IPv6!? I know there are some problems with browsers and IPv6. What does ifconfig and lsmod show? Is there any IPv6 ...


Mick M.

Just a best guess ...

Alex



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