[Bug 264019] Re: TCP option ordering in 2.6.27 is not interoperable with some network equipment

[Matt Zimmerman]

On Sat, Nov 08, 2008 at 05:09:26AM -0000, Dean Holland wrote:
> I still believe mine is a kernel issue, as per the information in this
> Ubuntu Forums thread: http://ubuntuforums.org/showthread.php?p=6128733
> 
> This machine runs inside of KVM but that should not make any difference
> as it works _perfectly_ with 2.6.24-21, leading me to believe this
> hasn't been completely resolved.
> 
> To summarise, only changing the default kernel in menu.lst to 2.6.24-21 and rebooting makes the issue go away. I have tried:
>  - empty firewall; only a masquerade rule
>  - removing all QoS settings
>  - clean install of Intrepid (64-bit) as the current was upgraded from Hardy
>  - clean install of Intrepid (32-bit)
>  - changing MTU and MSS clamping to lower sizes (1460 & 1420)
>  - changed the type of network card from virtio to the default (rtl8139)
> 
> I see 2.6.7-7.16 is out, but as that was just a security fix I didn't
> expect that would have resolved it.

If disabling TCP timestamping doesn't work around the problem, then your
symptoms are different from the others described in this bug, and you should
file your report separately.

-- 
 - mdz

-- 
TCP option ordering in 2.6.27 is not interoperable with some network equipment
https://bugs.launchpad.net/bugs/264019
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