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

[Alexander Apprich]

Mick Mearns wrote:
> --- Daniel Lawson <daniel at wand.net.nz> 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 at athlon mick]$ su -
> Password:
> [root at 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