[Bug 673923] New: It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

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bugzilla_noreply＠novell.com

22 Feb 2011 22 Feb '11

09:50

https://bugzilla.novell.com/show_bug.cgi?id=673923 https://bugzilla.novell.com/show_bug.cgi?id=673923#c0 Summary: It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1 Classification: openSUSE Product: openSUSE 11.4 Version: Factory Platform: x86-64 OS/Version: openSUSE 11.3 Status: NEW Severity: Major Priority: P5 - None Component: Xen AssignedTo: jdouglas@novell.com ReportedBy: pellice@yahoo.fr QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; fr; rv:1.9.2.13) Gecko/20101203 SUSE/3.6.13-0.2.1 Firefox/3.6.13 I use the openSUSE recommanded setup for xen: installe hypervisor and have the bridge br0 set up from yast. Networking from/to Dom0 work ok When the DomU is create and up is interface become a member of the bridge has expected. DomU can ping and be pinged. DomU get an IP from network dhcp and arpwatch see it. DomU can't ssh anywhere nor be sshed DomU can't resolve name from DNS Reproducible: Always Steps to Reproduce: 1.install Dom0 11.4 RC1 2.from yast "Install Hypervisor and tools" it will set up the bridge br0 3.install DomU from yast "create new virtual machine" 4.configure network in DomU 5.try to ssh or resolve name Actual Results: DomU can't ssh anywhere nor be sshed DomU can't resolve name from DNS traceroute show nothing from DomU ---> broken network for DomU Expected Results: Fully fonctionnal network capabilities I downgrade to 11.3 release: no more problem. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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bugzilla_noreply＠novell.com

22 Feb 22 Feb

14:06

New subject: [Bug 673923] It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

https://bugzilla.novell.com/show_bug.cgi?id=673923 https://bugzilla.novell.com/show_bug.cgi?id=673923#c alexis Pellicier changed: What |Removed |Added ---------------------------------------------------------------------------- OS/Version|openSUSE 11.3 |Other -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

23 Feb 23 Feb

02:07

New subject: [Bug 673923] It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

https://bugzilla.novell.com/show_bug.cgi?id=673923 https://bugzilla.novell.com/show_bug.cgi?id=673923#c Jason Douglas changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |pmillett@novell.com AssignedTo|jdouglas@novell.com |jfehlig@novell.com -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

10:17

New subject: [Bug 673923] It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

https://bugzilla.novell.com/show_bug.cgi?id=673923 https://bugzilla.novell.com/show_bug.cgi?id=673923#c1 --- Comment #1 from alexis Pellicier 2011-02-23 10:17:28 UTC --- Hello, I've just tried with a fresh install from the factory-tested repo. The bug no longer occure. DomU can now ssh traceroute etc... So I guess this bug can be close? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

16:29

New subject: [Bug 673923] It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

https://bugzilla.novell.com/show_bug.cgi?id=673923 https://bugzilla.novell.com/show_bug.cgi?id=673923#c2 James Fehlig changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |INVALID --- Comment #2 from James Fehlig 2011-02-23 16:29:09 UTC --- Yep, I'll close it for now. Please reopen if you encounter the issue again. Thanks! -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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24 Feb 24 Feb

08:04

New subject: [Bug 673923] It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

https://bugzilla.novell.com/show_bug.cgi?id=673923 https://bugzilla.novell.com/show_bug.cgi?id=673923#c3 --- Comment #3 from alexis Pellicier 2011-02-24 08:04:49 UTC --- (In reply to comment #2)

...

Yep, I'll close it for now. Please reopen if you encounter the issue again. Thanks!

I've just realized it is still impossible to ssh from Dom0 to DomU and vice versa. Don't know if you'd considere it as a feature or a bug. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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18:48

New subject: [Bug 673923] It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

https://bugzilla.novell.com/show_bug.cgi?id=673923 https://bugzilla.novell.com/show_bug.cgi?id=673923#c4 --- Comment #4 from James Fehlig 2011-02-24 18:48:14 UTC --- Inability to use network services is not a feature :-). Are you running a firewall in these machines? If so, is the ssh service enabled? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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18:57

New subject: [Bug 673923] It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

https://bugzilla.novell.com/show_bug.cgi?id=673923 https://bugzilla.novell.com/show_bug.cgi?id=673923#c5 alexis Pellicier changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Resolution|INVALID | --- Comment #5 from alexis Pellicier 2011-02-24 18:57:04 UTC --- No firewall neither on Dom0 nor on DomU. By the way ssh and all other network connection to Dom0 or DomU from the network are ok. The pb is just between Dom0 and DomU. Let me know if you need specific test. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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21:34

New subject: [Bug 673923] It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

https://bugzilla.novell.com/show_bug.cgi?id=673923 https://bugzilla.novell.com/show_bug.cgi?id=673923#c6 Bernhard Wiedemann changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bwiedemann@novell.com --- Comment #6 from Bernhard Wiedemann 2011-02-24 22:34:01 CET --- could this still be bug 665329? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

25 Feb 25 Feb

01:29

New subject: [Bug 673923] It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

https://bugzilla.novell.com/show_bug.cgi?id=673923 https://bugzilla.novell.com/show_bug.cgi?id=673923#c8 James Fehlig changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |carnold@novell.com --- Comment #8 from James Fehlig 2011-02-25 01:29:19 UTC --- Ok, I've done some more testing and have been able to reproduce this issue, along with observing other network-related issues. xen65:~ # uname -r 2.6.37.1-2-xen xen65:~ # cat /etc/issue Welcome to openSUSE 11.4 "Celadon" RC 1 - Kernel \r (\l). On this host, 11.4 pv guests (2.6.37-20-xen) have *very* slow network IO. Downloading the 6-part installation system can take 30min or longer! There's no cpu load in dom0 (~1.8%) or domU (.8%) during this time. 11.3 pv guests are fine, as are 11.4 hvm guests. Jason installed same 11.4 pv guest (2.6.37-20-xen) on sles11sp1 host and did not notice the networking issues. I then moved this guest to the 11.4 host and noticed a flood of the following messages in the guest /var/log/messages when doing network IO Feb 24 18:03:14 linux-cnsd kernel: [ 810.324870] Attempting to checksum a non-T CP/UDP packet, dropping a protocol xxx packet where xxx was a wide range of numbers (0, 2, 7, 87, 101, 111, ...). As Alexis reported, I cannot ssh from guest to dom0 (and vise versa) but can reach other hosts. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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16:07

New subject: [Bug 673923] It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

https://bugzilla.novell.com/show_bug.cgi?id=673923 https://bugzilla.novell.com/show_bug.cgi?id=673923#c10 --- Comment #10 from James Fehlig 2011-02-25 16:07:17 UTC --- (In reply to comment #9)

...

I had asked for testing the changes done to fix that other bug and waited for about a week without getting any response. I assume the problem has been fixed for quite a while, but it would still be nice to have this confirmed for sure.

I installed the latest kernel [1] in an 11.4 pv guest and verified the networking issues no longer exist.

...

Obviously, the flaw requires the fixed kernel to be run in Dom0 *and* DomU.

Err, right. [1] http://download.opensuse.org/factory/repo/oss/suse/x86_64/kernel-xen-2.6.37.... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

28 Feb 28 Feb

09:01

New subject: [Bug 673923] It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

https://bugzilla.novell.com/show_bug.cgi?id=673923 https://bugzilla.novell.com/show_bug.cgi?id=673923#c11 --- Comment #11 from alexis Pellicier 2011-02-28 09:01:58 UTC --- Ok for me too. (RC2 DVD) Thanks you. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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[Bug 673923] New: It is impossible to acces network from DomU with a Dom0 openSUSE 11.4 RC1

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