2012/3/14 Andrew Vagin <ava...@parallels.com> > On 03/14/2012 11:26 AM, Maoke wrote: > >> yes but we still have other troubles with the 2.6.32-042stab044.11. :P so >> we are trying to understand the problem first. >> > I don't suggest to move on 2.6.32 kernel. I said about > 2.6.18-028stabXXX.Y. You can find a last stable 2.6.18 kernel here: > http://download.openvz.org/kernel/branches/rhel5-2.6.18/stable/ > > This issue may be already fixed. >
thanks for the information! then is this a known bug of the old kernel? is there a way to repeat it so that we may test before putting the new kernel to the production environment. thanks again! maoke > > - maoke >> >> 2012/3/14 Andrew Vagin <ava...@parallels.com <mailto:ava...@parallels.com >> >> >> >> >> 2.6.18-194.3.1.el5.028stab069.6xen is a very old version. Could >> you update it? >> >> >> On 03/14/2012 10:28 AM, Maoke wrote: >> >> sorry if this is more of a Xen problem. >> >> we are running openvz in Xen PVs (kernel >> 2.6.18-194.3.1.el5.028stab069.6xen), and occasionally the >> network of a PV, as well as the PV's hosted containers, at a >> virtual interface is lost. sometimes restarting the network >> can solve the problem but in most cases we have to restart the >> PV. the PVs another virtual interface was working and other >> PVs and the HV keeps working. >> >> detailed observation through tcpdump at the trouble time shows: >> 1. the inbound traffics can be delivered correctly through >> eth0 of the PV until venet0; >> 2. it looks the venet0 is also correctly functioned because >> TCP sync may get response from container and this sync ack can >> be seen at venet0; >> 3. but at the eth0 of PV, we only have seen the TCP sync >> request towards the containers while the sync ack is missing, >> thus TCP state of the container's application remains SYNC_RECV >> 4. if ping the PV, at the eth0, we only have seen the ICMP >> echo requests but the replies are missing. >> >> we didn't encounter the same problem when those openvz stuffs >> were running over physical machine instead of xen. >> >> does anyone have any hints or ideas? thanks a lot in advance. >> >> - maoke >> >> >> _______________________________________________ >> Users mailing list >> Users@openvz.org <mailto:Users@openvz.org> >> https://openvz.org/mailman/listinfo/users >> >> >> >> >
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