Network works partly with newer kernels.

void_false · n00b Joined: 12 Nov 2004 Posts: 16 Location: PA

Hi all.
I have strange issue with my network while I'm trying to use newer kernels ( >2.6.16). My NIC got detected, it receives IP and everything seems OK except that I cant browse the web. I can ping myself, my router and other sites on the web. But I cant browse them. I tried few browsers (GUI and CLI) and when I try to view some website it says "Host connected. Waiting for reply...". And it lasts forever. No timeout errors or anything like that. I tried few kernels (2.6.17 - 2.6.20) - same story. Tried few distros and got same issue. For example SUSE 10.1 works, 10.2 not (kernel 2.6.16.13 and 2.6.18.2 respectively), Ubuntu 6.06 and 7.04 (kernel 2.6.15 works, 2.6.20 not).

But the strange thing is that Google always works. In fact I can search the web, search for images, but cant go anywhere outside of Google.

Tried different configurations: manual with static IP and automatic with DHCP - same story.
I'm sure that my DNS setting are OK too, because I can ping by site name.

I would really appreciate your help.

P.S.
My NIC is
nVidia Corporation CK804 Ethernet Controller (rev a3)

jellysandwich · n00b Joined: 15 Jul 2004 Posts: 33

I'm also having this problem, except I can't go to google at all.
However, I can go to other various sites; some work, some don't,
sometimes. :/

js

void_false · n00b Joined: 12 Nov 2004 Posts: 16 Location: PA

Are you having this problem with only newer kernels or with all?

aidanjt · Posted: Mon May 21, 2007 9:14 am Post subject:

Contact your ISP, tell them you have routing problems.
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void_false · n00b Joined: 12 Nov 2004 Posts: 16 Location: PA

aidanjt · Posted: Mon May 21, 2007 11:21 am Post subject:

Yes, if your browser can open www.google.com and not other sites then it's a problem with their routing.
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void_false · n00b Joined: 12 Nov 2004 Posts: 16 Location: PA

erik258 · Posted: Mon May 21, 2007 12:25 pm Post subject:

Are you running iptables, and if so can you post `ipables -L -v; iptables -t nat -L -v` ?
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void_false · n00b Joined: 12 Nov 2004 Posts: 16 Location: PA

Nope. Didn't install iptables :roll:

erik258 · Posted: Mon May 21, 2007 1:25 pm Post subject:

who's your isp? somebody huge?

what's your public ip? We can try to ping you
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void_false · n00b Joined: 12 Nov 2004 Posts: 16 Location: PA

void_false · n00b Joined: 12 Nov 2004 Posts: 16 Location: PA

Anyone?

Hu · Administrator Joined: 06 Mar 2007 Posts: 23103

Have you looked at Possibly a broken router, a response in Certain sites stall in Gentoo x64, no matter what browser.? Some time back, the Linux kernel was changed to use different defaults for some TCP control values. Unfortunately, there are some buggy routers out there that implement TCP incorrectly, and end up mishandling any connection which tries to use these new defaults.

I cannot remember which kernel version or which TCP values, though I think it had to do with TCP window sizing. Sorry I cannot be more specific.