From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1OoXGF-000873-E9 for mharc-grub-devel@gnu.org; Thu, 26 Aug 2010 03:52:35 -0400 Received: from [140.186.70.92] (port=42904 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OoXG8-00085p-Tq for grub-devel@gnu.org; Thu, 26 Aug 2010 03:52:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OoXG7-0007EQ-QY for grub-devel@gnu.org; Thu, 26 Aug 2010 03:52:28 -0400 Received: from mail-bw0-f41.google.com ([209.85.214.41]:60266) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OoXG7-0007EL-Hy for grub-devel@gnu.org; Thu, 26 Aug 2010 03:52:27 -0400 Received: by bwz6 with SMTP id 6so1161898bwz.0 for ; Thu, 26 Aug 2010 00:52:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:subject:references:in-reply-to :x-enigmail-version:content-type; bh=Mx9PZTiG5JPIndG1lQxm0dvivN2GV1aeABhSqM5ERpo=; b=ODLvqVyoBszaEvXlVEYQWcLVUkGHAQqKFYVMQem3/Z7cvAGhCSty0F9mcYwF/G1BxJ wxPMeZRzjGMPhDKY55pDqGJIzNxaGb7/pKbL4YNgmS+gh+NZe8TNNjIOlI5D6WntcyrM PRW3dGjVYFtGc6QbCCZ7jgvYyRZM6IALL9tFA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:x-enigmail-version:content-type; b=N9nT5zvLEXSOF+RT/ncq9FA1KlRlHJOYQm4fNE0EtmlWXA2FetWRCCKwJuPiNzVZZH KbQGymiB1Hr13eBjOx1Trk+2naLjP8V0oDqj9RrhgXCjcGauQ7GV6MEnZEvBXx7dyxct Wu3D5TfNnfflLuXgCyZ3k57dXfdiSANbIXr8Y= Received: by 10.204.116.79 with SMTP id l15mr6010579bkq.158.1282809146314; Thu, 26 Aug 2010 00:52:26 -0700 (PDT) Received: from debian.bg45.phnet (gprs21.swisscom-mobile.ch [193.247.250.21]) by mx.google.com with ESMTPS id y19sm1421441bkw.6.2010.08.26.00.52.23 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 26 Aug 2010 00:52:25 -0700 (PDT) Message-ID: <4C761D28.7070906@gmail.com> Date: Thu, 26 Aug 2010 09:52:08 +0200 From: =?UTF-8?B?VmxhZGltaXIgJ8+GLWNvZGVyL3BoY29kZXInIFNlcmJpbmVua28=?= User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.11) Gecko/20100805 Icedove/3.0.6 MIME-Version: 1.0 To: grub-devel@gnu.org References: In-Reply-To: X-Enigmail-Version: 1.0.1 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="------------enig7F127CF60825E3A457C668F1" X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) Subject: Re: Problems booting Linux via PXE X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Aug 2010 07:52:33 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig7F127CF60825E3A457C668F1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 08/25/2010 09:02 PM, Turner, Ian wrote: > I=E2=80=99m having some trouble using GRUB to boot Linux via PXE. It se= ems > that for some reason the call to the PXE BIOS fails when retrieving > the third packet of the Linux kernel. I don=E2=80=99t have this problem= > loading multiboot kernels or GRUB modules. This is using GRUB 1.98. > =20 Please avoid using HTML mail. Changing color of your text only makes it annoying to read. This is plain-text mailing list even if no filters are configured to strictly enforce that. Could you try newreloc branch which is about to be merged? > I=E2=80=99ve seen the problem on all three servers where I=E2=80=99ve t= ested, which > are as follows: > - A Sun Fire X4100 > - with four Dual Core AMD Opteron(tm) Processor 285 SE > - Running Intel Boot Agent GE 1.2.50 > Intel Boot Agent PXE Base Code (PXE-2.1 build 086) > - A Sun Fire X4150 > - with two Intel X5440 processors > - Running Intel Boot Agent GE 1.2.42 > Intel Boot Agent PXE Base Code (PXE-2.1 build 085) > - A Dell PowerEdge R610 > - With two Intel X5570 processors > - Running Broadcom NetXtreme II Ethernet Boot Agent v5.0.5 > Broadcom UNDI PXE-2.1 v5.0.5 > Broadcom Base Code PXE-2.1 v1.1.1 > =20 > On the Sun servers, the relevant call to > grub_pxe_call(GRUB_PXENV_TFTP_READ) at fs/i386/pc/pxe.c:300 simply > does not return. On the Dell server, some dots (2-200) are printed to > the console at the time this call is placed, and sometimes the call > does return, but with a (invalid) status code of 65536. Other times > the call hangs after printing the dots. > =20 > Looking at loader/i386/linux.c, the grub_file_read() at line 638 > works, as does the one at line 698. It=E2=80=99s the third read, at lin= e 891, > which creates the failure. > =20 > I should emphasize that the PXE code seems to work fine for everything > else. I am able to load dozens of GRUB modules, multiple configuration > files, and multiboot and linux16 kernels with no problem. It=E2=80=99s = only > the bzImage that seems to create trouble, and only the third packet of > that image. It doesn=E2=80=99t seem to matter what kernel I use; at lea= st, I > see this problem with RHEL kernels from 5.2 up to 5.5. > =20 > I hypothesize that something between linux.c line 698 and linux.c line > 891 writes to a region of memory reserved by the PXE bios. Is there a > way to test this theory? > =20 > Has anyone else been able to make this work? Is there something simple > that I am missing? I would love to hear your thoughts. Also, if I > should take this over to grub-help or grub-bugs, let me know. > =20 > Cheers, > =20 > --Ian Turner > =20 > > > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > http://lists.gnu.org/mailman/listinfo/grub-devel > =20 --=20 Regards Vladimir '=CF=86-coder/phcoder' Serbinenko --------------enig7F127CF60825E3A457C668F1 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iF4EAREKAAYFAkx2HTAACgkQNak7dOguQgnJbgD+Mg070h/dyGgAPLdCuSf7nLPl 77oDbhM6x7UzOVIkWAYBAKu8A1TuvpE5TeC+h6PY6bW1fWAML1xFQRgEIcsaSVyL =+DLN -----END PGP SIGNATURE----- --------------enig7F127CF60825E3A457C668F1--