On 7/12/07, Asrai khn <asraikhn@xxxxxxxxx> wrote:
Hi,
We have recently update kernel-xen on all of our hosts (3) and its vms all running fc6. kernel-xen 2.6.20-1.2962.fc6xen is doing good on two hosts and all its vms (1 0), however its giving lot of problem on third host.
when i reboots the host into latest kernel-xen the domUs become unaccessible in a while hardly run for 10 minutes, 'xm list' still shows there status but i can't access it from outside.
We are using loop back files for domUs File system, for testing i rebooted host into last working kernel 2.6.20-1.2952.fc6xen and domUs into latest kernel-xen and its doing pretty good, which mean latest kernel-xen is only giving problem at host side.
when running 2.6.20-1. 2962 on host it giving this in /var/log/messages
Jul 12 10:42:45 xxxx kernel: xen_net: Memory squeeze in netback driver.
Jul 12 10:42:50 xxxx kernel: printk: 4 messages suppressed.
Jul 12 10:42:50 xxxx kernel: xen_net: Memory squeeze in netback driver.
Jul 12 10:42:55 xxxx kernel: printk: 4 messages suppressed.
(...)
Same thing happen again when today i updated host kernel-xen from 2.6.20-1.2952.fc6xen To 2.6.20-1.2999.fc6xen. It working fine at domUs but when I reboot the domO into 2.6.20-1.2999.fc6xen it start giving these errors in
Aug 23 18:41:52 xxxx kernel: printk: 4 messages suppressed.
Aug 23 18:41:52 xxxx kernel: xen_net: Memory squeeze in netback driver.
Aug 23 18:41:57 xxxxl kernel: printk: 4 messages suppressed.
Aug 23 18:41:57 xxxx kernel: xen_net: Memory squeeze in netback driver.
Aug 23 18:42:02 xxxxxl kernel: printk: 4 messages suppressed.
Aug 23 18:42:02 xxx kernel: xen_net: Memory squeeze in netback driver.
and all domUs become unaccessible, in end I have to revert back to 2.6.20-1.2952.fc6xen at domO (host) :-s
Any help in this regard will be highly appreciated.
Regards. Askar
Same thing happen again when today i updated host kernel-xen from 2.6.20-1.2952.fc6xen To 2.6.20-1.2999.fc6xen. It working fine at domUs but when I reboot the domO into 2.6.20-1.2999.fc6xen it start giving these errors in
Aug 23 18:41:52 xxxx kernel: printk: 4 messages suppressed.
Aug 23 18:41:52 xxxx kernel: xen_net: Memory squeeze in netback driver.
Aug 23 18:41:57 xxxxl kernel: printk: 4 messages suppressed.
Aug 23 18:41:57 xxxx kernel: xen_net: Memory squeeze in netback driver.
Aug 23 18:42:02 xxxxxl kernel: printk: 4 messages suppressed.
Aug 23 18:42:02 xxx kernel: xen_net: Memory squeeze in netback driver.
and all domUs become unaccessible, in end I have to revert back to 2.6.20-1.2952.fc6xen at domO (host) :-s
Any help in this regard will be highly appreciated.
Regards. Askar
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