On 22/07/13 09:18, Jeroen van der Ham wrote: > Hi, > > After some more testing I thought it would be good to put this into > production for my personal server. I've used pvhvm_v19 and built it without > debugging options and installed it on a FreeBSD 9.1 system. > > I've run into some hiccups with 9.1 user land and a 10-CURRENT kernel, but > that's all solvable. > > My VPS has some very limited memory (256M), but I've compensated with swap > space (1G)
Is your guest running a 32bit or a 64bit kernel? Could you also provide the config file used to launch your guest and the Xen and Dom0 kernel versions? > > Now anytime I'm putting the system under stress, by building ports or by > running a git clone on the kernel repository here, I'm seeing a lot of > messages about swap_pager: > >> swap_pager: indefinite wait buffer: bufobj: 0, blkno: 132545, size: 4096 > > The system also becomes very sluggish and sometimes unresponsive. > The weird thing was that one of these messages happened right after a reboot > when I rebuilt an outdated port and on the main console was checking the swap > memory: > >> jeroen:~/ $ swapinfo >> [8:13:29] >> Device 1K-blocks Used Avail Capacity >> /dev/ada0p2 524288 2484 521804 0% >> /dev/md0 1048576 2364 1046212 0% >> Total 1572864 4848 1568016 0% >> swap_pager: indefinite wait buffer: bufobj: 0, blkno: 131424, size: 4096 > > > Is anyone else seeing something similar? Could you also try a HEAD XENHVM kernel (without my patches), to see if the issue is related to my changes or to some bug already present in HEAD? > I certainly did not experience something like this on 9.0 with a XENHVM > kernel. > > If necessary I can rebuild a kernel with debugging support and do some more > recording of what is actually going on. > > Jeroen. > > > : I have edited bsd.port.mk to always apply the FBSD10_FIX, and for > version checking I am running "pkg version" with UNAME_r=9.1-RELEASE. > _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization To unsubscribe, send any mail to "freebsd-virtualization-unsubscr...@freebsd.org"