Flavor: Production is generic kernel. I'm building a test system, and suspect it will install the server kernel.
Arch: Must be amd64. Bob Jones -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Stefan Bader Sent: Monday, May 10, 2010 8:22 AM To: Bob Jones Subject: Re: [Bug 567394] Re: TCP stack bug related to F-RTO Fabiáne, if you can reproduce the problem it would be good (mybe you can say how you do that). There has been an issue a while ago that looked similar but at that time the changes I found seemed not to be sufficient. There is a set that we could try. So if you can reproduce, I could do a test kernel to see whether the issues go away. Let me know what flavour and arch (i386 or amd64) you need. -- TCP stack bug related to F-RTO https://bugs.launchpad.net/bugs/567394 You received this bug notification because you are a direct subscriber of the bug. Status in The Linux Kernel: Unknown Status in “linux” package in Ubuntu: Confirmed Bug description: I have hit the TCP kernel issue reported in the Linux Kernel mailing list at: http://lkml.org/lkml/2009/9/24/319 (subject: "TCP stack bug related to F-RTO?", date: Thu, 24 Sep 2009 10:43:19 -0700 (PDT), from: Joe Cao) in Ubuntu 8.04 LTS with latest updates. The conclusion of this thread is documented at http://lkml.org/lkml/2009/9/25/274 . The conclusion recommends going to a newer kernel than is provided in the Ubuntu 8.04 LTS release. >From what I have seen, it is obvious to me that this bug can be taken advantage of to produce a remote denial of service attack against Ubuntu 8.04 LTS servers on the public internet via resource exhaustion. This could either be by hitting a limit on the number of open sockets allowed on a service, or (worse) exhausting all available sockets on the OS. ubuntu-bug -p linux fails to connect to report this bug. Kernel: 2.6.24-27-generic (also applies to 2.6.24-27-server and earlier kernels.) $ more lsb_release.log Description: Ubuntu 8.04.4 LTS Release: 8.04 $ more version.log Ubuntu 2.6.24-27.68-generic Both dmesg log file and the lspci-vnvn log file have more information in them than is needed for this bug report. If specific lines from the files are needed, please request the specific information. To unsubscribe from this bug, go to: https://bugs.launchpad.net/linux/+bug/567394/+subscribe -- TCP stack bug related to F-RTO https://bugs.launchpad.net/bugs/567394 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
