HVM paravirt block/nic drivers

[Ivan Voras]

2010/1/11 David <admin at dmarkey.com>:
> Sorry, I see i'm using paravirt block device drivers.
>
> Timecounters tick every 1.000 msec
> acd0: CDROM <QEMU DVD-ROM/0.10.2> at ata1-master WDMA2
> xbd0: 5120MB <Virtual Block Device> at device/vbd/768 on xenbus0
> xbd0: attaching as ad0
> xbd1: 658MB <Virtual Block Device> at device/vbd/5632 on xenbus0
> xbd1: attaching as ad2

You could use for example glabel labels to avoid changing device names.

> xn0: <Virtual Network Interface> at device/vif/0 on xenbus0
> xn0: Ethernet address: 00:16:3e:03:68:45
> WARNING: WITNESS option enabled, expect reduced performance.
> GEOM: ad0s1: geometry does not match label (16h,63s != 255h,63s).
> Trying to mount root from ufs:/dev/ad0s1a
> lock order reversal:
>  1st 0xffffff800a550778 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2559
>  2nd 0xffffff0001440400 dirhash (dirhash) @

You also appear to be using a CURRENT kernel, or at least a kernel
with debugging enabled - which is fine if you know you want it.