Fix for Linux kernel 2.6.27 regression in Ubuntu 8.10 (Intrepid Ibex)

After Yesterday (30th October 2008) Ubuntu 8.10 release a regression was discovered in Linux kernel version 2.6.27 packages.

Details about Linux kernel regression

Version 2.6.27 of the Linux kernel changed the order of options in TCP headers. While this change was RFC-compliant, it was found that some old routers and consumer DSL modems would not route traffic for these systems when TCP timestamps were enabled. As a workaround, TCP timestamps were disabled via sysctl.


The problem can be corrected by upgrading your system to the following package versions:

Ubuntu 8.10:

linux-image-2.6.27-7-generic 2.6.27-7.15
linux-image-2.6.27-7-server 2.6.27-7.15
linux-image-2.6.27-7-virtual 2.6.27-7.15
procps 1:3.2.7-9ubuntu2.1

sudo aptitude update

sudo aptitude dist-upgrade

After a standard system upgrade you need to reboot your computer to effect the necessary changes.

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4 Responses

  1. Frank Sayre says:

    Well that was fast. This is why the last 2 releases I always wait a couple weeks before upgrading.

  2. Monxoo says:

    i’m having problem with my wifi driver on 8.10. it’s rtl8187 and i know many people still getting same problem with this. Sad that they didn’t add native support for rtl8187 driver.

  3. Monxoo says:

    Also using ndiswrapper is not good. Connection interruption, bad wifi speed etc …

  4. Paulo says:

    i have installed ubuntu 8.10 in my flash driver, i canĀ“t upgrade my kernel. how can i do this?

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