Gentoo Archives: gentoo-alpha

From: "Raúl Porcel" <armin76@g.o>
To: gentoo-alpha@l.g.o
Cc: Romuald Lobet <romuald.lobet@×××××××.de>
Subject: Re: [gentoo-alpha] ABOOT problem: Is the LiveCD the right method to install on Alpha
Date: Sat, 26 Feb 2011 14:02:42
Message-Id: 4D68FEBA.4000902@gentoo.org
In Reply to: [gentoo-alpha] ABOOT problem: Is the LiveCD the right method to install on Alpha by Romuald Lobet
Hi Romuald,

I just replied you on the forums.

On 02/26/2011 12:30 PM, Romuald Lobet wrote:
> Dear Gentoo/Alpha geeks > > Currently I am willing to bring an API CS20D AlphaServer, fitted with > two EV68AL, back to life. I can access this very compact but very loud > machine through a serial console, and ultimately get a remote display > with VNC on my iMac hopefuly in a very near future. > > One last trick to solve: ABOOT starts the kernel, and the initrd goes up > to the selection of the keymap. Then, it says: > Code: > !! The root block device is unspecified or not detected. > Please specify a device to boot, or "shell" for a shell... > boot() :: > > Why do I get there? > > Because of the simplistic hardware configuration, there is no > possibility to connect a display, and it is hard to plug the box over > the internet. Previously, I did start the installation from the usual > minimal iso image, however the process described in the documents, using > standard emerge commands was too lengthy and leave the machine in an > unknown state because the compilation stopps in the middle of nowhere. > So, I choose to start from the LiveCD available for download on the > official website http://distfiles.gentoo.org/experimental/alpha/livecd/. > > Obviously, the way Gentoo works with packages allows us to do so, after > all the simple "emerge --update --deep world" can do the trick to bring > the live system back to the current stand. Since the current stand is > moving quite fast these days, and because the settings of the compiler > suite and compilable source can be a painful process that can leave this > noisy and power hungry server alive for days. I think this can be a good > method to cope to underlying problems of the very fluidic and fast > changing Gentoo distribution. > > Doing so, I could finaly step over the Chapter One of Gentoo Handbook, > and start with real things which are unfortunately only briefly > discribed in the handbooks available on internet. But obviously, there > is something not clear in the documentation, or at least the information > is not well sorted, how Gentoo is Booting on AlphaServers. > > There is no other example of aboot.conf than the one delivered with the > distribution itself, so I took it and simply copied into etc/aboot.conf > of the target system. This brought the Gentoo box to a semi-finished > product: After a short cp /mnt/livecd sda1 I was pretty much ready with > the basic programs. The following aboot.conf summarize all trials > > 0:/boot/gentoo initrd=/boot/gentoo.igz root=/dev/sda1 init=/linuxrc > dokeymap console=ttyS0 > 1:/boot/gentoo initrd=/boot/gentoo.igz root=/dev/sda2 init=/linuxrc > dokeymap console=ttyS0 > 3:/boot/gentoo initrd=/boot/gentoo.igz root=/dev/ram0 init=/linuxrc > dokeymap looptype=squashfs > loop=/image.squashfs > 4:/boot/gentoo initrd=/boot/gentoo.igz root=/dev/ram0 init=/linuxrc > dokeymap looptype=squashfs > loop=/image.squashfs console=ttyS0 > (*) of course all files mentionned here were copied into their proper > locations > > > I had a look in the MAN Pages of aboot.conf, abootconf and aboot, but > the explanation is rather simplistic. I also read the threads regarding > problem configuring the bootloader and Gentoo aboot issues on alpha > ev56, but I don't think we are in these cases. Thinking I just lack one > parameter in my aboot.conf, it would be very interesting if someone > would extend the explanation in the man pages, to include an explanation > about the last parameter "cdroot" and also the meaning of "looptype" > "zisofs". Perhaps I need to flash the kernel is the first sectors of the > harddrive, like it is done with fd0 boot disks, using the brute-force DD > command! What else will I miss, the configuration of EMERGE perhaps ? > > Gentoo Forums :: View Forum - Gentoo on Alternative Architectures > <http://forums.gentoo.org/viewforum-f-32.html> > Is the LiveCD the right method to installon Alpha: 0: 14: > ali_baba_in_alpha_caves Sun Feb 20, 2011 1:00 pm: > ali_baba_in_alpha_caves Sun Feb 20, 2011 1:00 pm > http://forums.gentoo.org/viewforum-f-32.html > > Kindest regards, > > Romuald