On Saturday 09 May 2009 6:43:16 pm Marc G. Fournier wrote: > On Tue, 28 Apr 2009, Gavin Atkinson wrote: > > > On Fri, 2009-04-24 at 20:39 +0200, Martin Schmidt wrote: > >> Hi Marc and List, > >> > >> i had similar issues with FreeBSD 7.2-PRERELEASE. Server (zfs,nfs) > >> seems to hang in intervals of about 8 hours. > >> kernel is still there but no connections can be made to nfs/ssh and > >> login on local console doesn't seem to > >> work due to incredible slowness. breaking to the debugger takes a > >> moment but works. > >> (compiling kernel with WITNESS didnt help) > >> > >> the server had been solid before with 7 stable kernel from around 19 > >> October 2008. > >> > >> I now added these lines to /boot/loader.conf > >> > >> hw.pci.enable_msi=0 > >> hw.pci.enable_msix=0 > >> > >> to disable Message Signaled Interrupts. Which are used by the 3ware > >> twa driver and igb network driver on our server. > > > > If you are willing to test further on your server, it may be helpful if > > you could determine which of those two lines in loader.conf fixes the > > problem for you. It would also be useful to provide a dmesg from the > > machine when both msi and msix are enabled. > > > > FWIW, looking at the "vmstat -i" output it appears that only the igb > > driver that are using MSI/MSIX, unless you have a reason to suspect > > otherwise? > > How do you tell that, about igb? looking at the server I have the igb > device on, it doesn't seem to say anything about that ...
IRQs > 256 are MSI/MSI-X. -- John Baldwin _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"