Date: Tue, 25 Feb 2020 21:02:04 +0000 From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: "Hiroki Sato" <hrs@FreeBSD.org> Cc: hackers@freebsd.org, micchie.gml@gmail.com Subject: Re: Slow PXE boot Message-ID: <15F7FD1E-3957-4D9E-922F-394D50445BA8@lists.zabbadoz.net> In-Reply-To: <20200226.055717.1795667435522458112.hrs@FreeBSD.org> 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>
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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’ll 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. /bz
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