From owner-freebsd-hackers@freebsd.org Tue Feb 25 20:58:21 2020 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 15A0723FCE7 for ; Tue, 25 Feb 2020 20:58:21 +0000 (UTC) (envelope-from hrs@FreeBSD.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 48Rrqw4M5Wz3D50 for ; Tue, 25 Feb 2020 20:58:20 +0000 (UTC) (envelope-from hrs@FreeBSD.org) Received: by mailman.nyi.freebsd.org (Postfix) id 67FA223FCE4; Tue, 25 Feb 2020 20:58:20 +0000 (UTC) Delivered-To: hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 61A1323FCE2 for ; Tue, 25 Feb 2020 20:58:20 +0000 (UTC) (envelope-from hrs@FreeBSD.org) Received: from mail.allbsd.org (mx.allbsd.org [IPv6:2001:2f0:104:e001::41]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature ECDSA (P-384) client-digest SHA384) (Client CN "mail.allbsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 48Rrqv2Lvmz3D2q for ; Tue, 25 Feb 2020 20:58:18 +0000 (UTC) (envelope-from hrs@FreeBSD.org) Received: from mail-d.allbsd.org ([IPv6:2409:11:a740:4700:58:65ff:fe00:b0b]) (authenticated bits=56) by mail.allbsd.org (8.15.2/8.15.2) with ESMTPSA id 01PKvvk0003978 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=OK) (Client CN "/CN=mail-d.allbsd.org", Issuer "/C=US/O=Let's+20Encrypt/CN=Let's+20Encrypt+20Authority+20X3"); Wed, 26 Feb 2020 05:58:07 +0900 (JST) (envelope-from hrs@FreeBSD.org) Received: from alph.d.allbsd.org ([IPv6:2409:11:a740:4700:16:ceff:fe34:2700]) by mail-d.allbsd.org (8.15.2/8.15.2) with ESMTPS id 01PKvptY091959 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Wed, 26 Feb 2020 05:57:52 +0900 (JST) (envelope-from hrs@FreeBSD.org) Received: from localhost (localhost [[UNIX: localhost]]) (authenticated bits=0) by alph.d.allbsd.org (8.15.2/8.15.2) with ESMTPA id 01PKvpNS091956; Wed, 26 Feb 2020 05:57:51 +0900 (JST) (envelope-from hrs@FreeBSD.org) Date: Wed, 26 Feb 2020 05:57:17 +0900 (JST) Message-Id: <20200226.055717.1795667435522458112.hrs@FreeBSD.org> To: hackers@freebsd.org Cc: micchie.gml@gmail.com Subject: Re: Slow PXE boot From: Hiroki Sato In-Reply-To: References: <20200224032300.00006290@gmail.com> <8F7B8958-5295-4A26-82E9-94C7A62ED8A1@longcount.org> X-Old-PGPkey-fingerprint: BDB3 443F A5DD B3D0 A530 FFD7 4F2C D3D8 2793 CF2D X-PGPkey-fingerprint: 6C0D 2353 27CF 80C7 901E FDD2 DBB0 7DC6 6F1F 737F X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Multipart/Signed; protocol="application/pgp-signature"; micalg=pgp-sha512; boundary="--Security_Multipart(Wed_Feb_26_05_57_17_2020_667)--" Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.6.2 (mail.allbsd.org [IPv6:2001:2f0:104:e001:0:0:0:41]); Wed, 26 Feb 2020 05:58:14 +0900 (JST) X-Rspamd-Queue-Id: 48Rrqv2Lvmz3D2q X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-1.95 / 15.00]; TAGGED_RCPT(0.00)[]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-0.95)[-0.950,0]; ASN(0.00)[asn:7514, ipnet:2001:2f0::/32, country:JP]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Feb 2020 20:58:21 -0000 ----Security_Multipart(Wed_Feb_26_05_57_17_2020_667)-- Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Michio Honda wrote in : 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. -- Hiroki ----Security_Multipart(Wed_Feb_26_05_57_17_2020_667)-- Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iMgEABMKAC4WIQRsDSNTJ8+Ax5Ae/dLbsH3Gbx9zfwUCXlWKLRAcaHJzQGZyZWVi c2Qub3JnAAoJENuwfcZvH3N//DsCBRdZFB7RWqFIIlOPxpSPD24nVonY9Eix7rnU eqc7P2hi/huVcd23j40lZmUKqAbNGcL5Saincu05iM+lDi+G+ipGAgdN/8xnx/zO yNgnbIbeODPZgsRVB4hn2rw+6uOwv3ABHd5kUzMO3te2RiY2OQqi+yVxtmmYzjMl fLvXRZ64KTf9Jg== =ijW3 -----END PGP SIGNATURE----- ----Security_Multipart(Wed_Feb_26_05_57_17_2020_667)----