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Date:      Tue, 25 Feb 2020 22:58:55 +0000
From:      Michio Honda <micchie.gml@gmail.com>
To:        "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
Cc:        Hiroki Sato <hrs@freebsd.org>, hackers@freebsd.org
Subject:   Re: Slow PXE boot
Message-ID:  <CA%2BSc9E25txU0%2BOyC-Hv-q%2BH0w7EAUCLSS=7Sv2mCbdLQT=V1MA@mail.gmail.com>
In-Reply-To: <79AD3725-FDCC-4045-A620-EDB25D88FA65@lists.zabbadoz.net>
References:  <20200224032300.00006290@gmail.com> <8F7B8958-5295-4A26-82E9-94C7A62ED8A1@longcount.org> <CA%2BSc9E0NNi8ViwXCn-Hif2_RQOnu11RLEMRUT2kOAaouLNySvQ@mail.gmail.com> <20200226.055717.1795667435522458112.hrs@FreeBSD.org> <15F7FD1E-3957-4D9E-922F-394D50445BA8@lists.zabbadoz.net> <79AD3725-FDCC-4045-A620-EDB25D88FA65@lists.zabbadoz.net>

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My case was also from Linux server:)

Cheers,
- Michio

On Tue, 25 Feb 2020, 22:27 Bjoern A. Zeeb, <bzeeb-lists@lists.zabbadoz.net>
wrote:

> On 25 Feb 2020, at 21:02, Bjoern A. Zeeb wrote:
>
> > On 25 Feb 2020, at 20:57, Hiroki Sato wrote:
> >
> > Hi,
> >
> >> Michio Honda <micchie.gml@gmail.com> wrote
> >>   in
> >> <CA+Sc9E0NNi8ViwXCn-Hif2_RQOnu11RLEMRUT2kOAaouLNySvQ@mail.gmail.com>:
> >>
> >> mi> Hi,
> >> mi>
> >> mi> I had a similar problem before, and the solution was the use of
> >> pxeboot
> >> mi> file taken from FreeBSD 10 as suggested by Hiroki.
> >>
> >>  I could not reproduce this by using my boxes after all, but
> >> replacing
> >>  pxeboot with the older one was useful to gain the normal speed at
> >>  that time probably because of difference between new (11 or later)
> >>  loader's nfs client and the old one.  It was a problem sending a lot
> >>  of duplicated packets for some reason, not just a matter of the
> >>  buffer size.  And the server side was Linux.
> >>
> >>  Have anyone else also experienced this kind of very slow PXE
> >> booting?
> >>  It may be specific to using a Linux NFS server.
> >
> > I see it on zoo all day long for ages.  I=E2=80=99ll go back and try an=
 old
> > pxeboot; if that really speeds things up massively I might even be
> > willing to debug this a bit more.
>
> I found a pxeboot from FreeBSD 7 and while it did not entirely work the
> kernel was loaded in seconds rather than minutes (felt).
>
> I guess it=E2=80=99s time to dig into the changes from back then..
>
> /bz
>



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