Date: Tue, 25 Feb 2020 22:27:06 +0000 From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: "Hiroki Sato" <hrs@FreeBSD.org> Cc: micchie.gml@gmail.com, hackers@freebsd.org Subject: Re: Slow PXE boot Message-ID: <79AD3725-FDCC-4045-A620-EDB25D88FA65@lists.zabbadoz.net> In-Reply-To: <15F7FD1E-3957-4D9E-922F-394D50445BA8@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>
next in thread | previous in thread | raw e-mail | index | archive | help
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’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. 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’s time to dig into the changes from back then.. /bz
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?79AD3725-FDCC-4045-A620-EDB25D88FA65>