Tom Georgoulias wrote : > Ran into an issue today where all of the domUs on our server rlost > network connectivity and the following message was scrolling on the console: > > kernel: xen_net: Memory squeeze in netback driver. > > Server is running RHEL 5.2 with 32-bit 2.6.18-92.1.1.el5xen kernel and > xen-3.0.3-64.el5_2.1, 16GB RAM and 4 NICs. All domUs use 2 of the NICs > and the bridges are provided with xenbr0 through xenbr3. I was able to > restore network connectivity to the domUs when I reduced the dom0's > memory with the xm mem-set command, which was helpful in troubleshooting. > > Found the following bug reports which seemed very relevant: > > http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=762 > https://bugzilla.redhat.com/show_bug.cgi?id=454285 > > I followed the suggestion to restrict the dom0 memory footprint with the > dom0_mem boot option and rebooted. So far the error message hasn't > returned and the domUs are happy, but I'd like to know if others have > seen this error and/or know of something else that I should do to > correct the problem.
I've also had this happen on *LOTS* of systems, and used the same workaround... Matthias -- Clean custom Red Hat Linux rpm packages : http://freshrpms.net/ Fedora release 9 (Sulphur) - Linux kernel 2.6.25.6-55.fc9.x86_64 Load : 0.37 0.30 0.35 _______________________________________________ rhelv5-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv5-list
