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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