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Re: [Xen-devel] FreeBSD PVHVM call for testing

On Jun 19, 2013, at 10:07 AM, Jeroen van der Ham <jeroen@xxxxxxx> wrote:

> Hi,
> On 19 Jun 2013, at 14:44, Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote:
>> On 19/06/13 14:33, Jeroen van der Ham wrote:
>>> On 19 Jun 2013, at 14:20, Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote:
>>>> That's because Justin recently pushed a commit that changed the ad
>>>> translation to ada, you should change your /etc/fstab to ada0p2. It's
>>>> commit 526f3ad11acb296481215d7c2915b3f30f1844f6.
>>> Ah, you may want to update the wiki page also to warn for that. :)
>> D'oh, I've completely forgot about the wiki page, it's updated now,
>> thanks for the pointer.
> Okay, everything works again now.

Should we encourage folks to just configure their VMs to use xbd?  I hope some 
day that the system will just report "da" devices, so the ada name may change 
again.  We could also suggest specifying SCSI disks in the VM config since I 
don't think "da" will ever change.

> Additionally, I've applied the patches from FreeBSD-SA-13:06.mmap, rebuilt 
> the kernel and rebooted, and the system now works fine.
> I did note however that rebuilding the kernel takes an awful lot more time 
> than on a FreeBSD9 system. As in it took about 2 hours longer.
> Jeroen.

I've never seen a kernel build take 2 hours, much less 2 hours *longer*.  Are 
you talking about buildworld?  It would be interesting to know your results 
building stable/9 sources in your 10 environment to see if this is just due to 
"build bloat" or a true performance regression.

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