From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1PE4Ru-000889-Lt for garchives@archives.gentoo.org; Thu, 04 Nov 2010 18:22:10 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 0964AE09E9; Thu, 4 Nov 2010 18:21:48 +0000 (UTC) Received: from mta1.srv.hcvlny.cv.net (mta1.srv.hcvlny.cv.net [167.206.4.196]) by pigeon.gentoo.org (Postfix) with ESMTP id E482BE09E9 for ; Thu, 4 Nov 2010 18:21:47 +0000 (UTC) Received: from [192.168.0.4] (ool-43505ef2.dyn.optonline.net [67.80.94.242]) by mta1.srv.hcvlny.cv.net (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) with ESMTP id <0LBD00CYTHOBH8E0@mta1.srv.hcvlny.cv.net> for gentoo-user@lists.gentoo.org; Thu, 04 Nov 2010 14:21:47 -0400 (EDT) Date: Thu, 04 Nov 2010 14:19:07 -0400 From: dhk Subject: Re: [gentoo-user] kernel panic on manually built kernel In-reply-to: <14451.1288894366@ccs.covici.com> To: gentoo-user@lists.gentoo.org Message-id: <4CD2F91B.7060909@optonline.net> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1 Content-transfer-encoding: 7BIT X-Enigmail-Version: 1.1.2 References: <4CD2E093.5030008@optonline.net> <4CD2E342.1070208@gmail.com> <14451.1288894366@ccs.covici.com> User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.12) Gecko/20101030 Lightning/1.0b3pre Thunderbird/3.1.6 X-Archives-Salt: 212e7514-0bca-46c1-9c65-5af508a8b604 X-Archives-Hash: a7d66ad4183bd09462e3352726557c05 On 11/04/2010 02:12 PM, covici@ccs.covici.com wrote: > Dale wrote: > >> dhk wrote: >>> I've always used the genkernel, but now am trying to make a manual one. >>> I think the kernel is alright since all the default setting seemed >>> reasonable and the build was easy enough. However, when I boot to it I >>> get a kernel panic and it complains about the root device /dev/hda3. So >>> I think the problem has to do with my parameters or syntax in grub.conf. >>> Below are three grub menu options. The first two have the problem and >>> the third is the genkernel that works fine. Is there something wrong >>> with the way the first two are? Thanks. >>> >>> # This is a Manually built kernel with default settings. kernel panic >>> title Gentoo Linux x86 2.6.34-r12 >>> root (hd0,0) >>> kernel /boot/kernel-2.6.34-gentoo-r12 root=/dev/hda3 >>> >>> # This is a Manually built kernel with default settings. kernel panic >>> title Gentoo Linux x86 2.6.34-r12 >>> root (hd0,0) >>> kernel /boot/kernel-2.6.34-gentoo-r12 root=/dev/hda3 vga=791 >>> splash=verbose video=vesafb:mtrr,ywrap udev >>> # From Documentation: video=uvesafb:mtrr:3,ywrap,1024x768-32@85 >>> >>> # This a genkernel and works >>> title Gentoo Linux x86 2.6.34-r6 >>> root (hd0,0) >>> kernel /boot/kernel-genkernel-x86_64-2.6.34-gentoo-r6 init=/linuxrc >>> ramdisk=8192 real_root=/dev/hda3 vga=791 splash=verbose >>> video=vesafb:mtrr,ywrap udev >>> initrd /boot/initramfs-genkernel-x86_64-2.6.34-gentoo-r6 >>> >>> --dhk >>> >>> >>> >> >> When I get a kernel panic, it's usually because I'm pointing to the >> wrong partition or I forgot to include the file system that the root >> partition uses. Since the one you made and the genkernel match up, I >> would check to make sure you included the correct file system and it >> is BUILT IN not a module. >> >> Hope that helps or someone else comes up with another idea. > He does not have the ramdisk or initrd in his manual ones. That would > do it right there. Be sure to generate the ramdisk as well. > The documentation doesn't say to use ramdisk or initrd for a manual kernel, only the genkernel.