On 22/07/13 09:18, Jeroen van der Ham wrote:
> 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 when I rebuilt an outdated port and on the main console was checking the swap
>> jeroen:~/ $ swapinfo
>> 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
> If necessary I can rebuild a kernel with debugging support and do some more
> recording of what is actually going on.
> : 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.
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