freebsd stable - Jul 2015 - freebsd downgrade

On Thu, Jul 23, 2015 at 04:51:07PM -0700, Xin Li wrote:
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> On 07/23/15 16:21, Stari Karp wrote:
> > Hi!
> > 
> > I had a problems with FreeBSD 10.2-BETA2. I used freebsd-update
> > ugrade and update FreeBSD 10.1-RELEASE. Is it possible to downgrade
> > BETA2 to 10.1-RELEASE with freebsd-update upgrade -r 10.1-RELEASE,
> > please?
> 
> It's not supported (because you may be running binaries that depends
> on new kernel).
> 
> What kind of problems did you have?  Please let re@ know so we can get
> them fixed.
For me -- degradate network performance, about 30%.
I am do verification now, by downgrading kernel.

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On 7/24/15 00:20, Slawa Olhovchenkov wrote:
> On Thu, Jul 23, 2015 at 04:51:07PM -0700, Xin Li wrote:
> 
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>> On 07/23/15 16:21, Stari Karp wrote:
>>> Hi!
>>> 
>>> I had a problems with FreeBSD 10.2-BETA2. I used
>>> freebsd-update ugrade and update FreeBSD 10.1-RELEASE. Is it
>>> possible to downgrade BETA2 to 10.1-RELEASE with freebsd-update
>>> upgrade -r 10.1-RELEASE, please?
>> 
>> It's not supported (because you may be running binaries that
>> depends on new kernel).
>> 
>> What kind of problems did you have?  Please let re@ know so we
>> can get them fixed.
> 
> For me -- degradate network performance, about 30%. I am do
> verification now, by downgrading kernel.
What kind of workload and what NIC are you using?

Cheers,
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