On 8 March 2010, at 06:53, Robert Watson wrote: > > On Sun, 7 Mar 2010, Robert Watson wrote: > >> If your system shows a non-zero value, please send me a *private e-mail* >> with the output of that command, plus also the output of "sysctl kern.smp", >> "uptime", and a brief description of the workload and network interface >> configuration. For example: it's a busy 8-core web server with roughly X >> connections/second, and that has three em network interfaces used to load >> balance from an upstream source. IPSEC is used for management purposes (but >> not bulk traffic), and there's a local MySQL database. > > I've now received a number of reports that confirm our suspicion that the > race does occur, albeit very rarely, and particularly on systems with many > cores or multiple network interfaces. Fixing it is definitely on the TODO > for 9.0, both to improve our ability to do multiple virtual network stacks, > but with an appropriately scalable fix in mind given our improved TCP > scalability for 9.0 as well.
I run a number of 4 core systems with em interfaces. These are production systems that are unmanned and located a long way from me. Under unusual conditions it can take up to 6 hours to get there. I have been waiting to switch to 8.0 because of the discussions on the em device and now it sounds like I had better just skip 8.x and wait for 9. 7.2 is working just fine._______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
