slw at zxy.spb.ru
Fri Jul 24 07:50:13 UTC 2015
On Fri, Jul 24, 2015 at 12:43:11AM -0700, Xin Li wrote:
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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?
Chelsio T580-LP-CR, http serving.
r276179 can utilise 40Gbit, r281264 -- only 28Gbit.
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