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Re: Yaboot

On 12/01/2010 05:10 PM, Aurélien GÉRÔME wrote:
> It is a very special case and I am pretty much sure that changes to
> yaboot & yaboot-installer would be accepted to make installation on
> PowerMacs works.

Hi Aurelien,

Welcome back. Congratulations, you showed up and right away made it
significantly harder to get fix for 572869 into squeeze. Did you see
this message [1]? Why are you sure the release team will accept any
change in yaboot and yaboot-installer?

> On Tue, Nov 30, 2010 at 02:17:01AM +0100, Benjamin Cama wrote:
>> To fix this problem, other options are replacing ofpath altogether with
>> Joseph's code, which is too much risky regarding backward compatibility,
>> I think. Or use ofpathname, which will need some integration work, and
>> even if it's been more trained than Joseph's code (it's used in GRUB 2),
>> it could cause some quirks too. But if someone feels like it, let him
>> code it!

Benjamin, I fully appreciate your attempts to do something about this.
You really care about the state of Debian on PowerPC. Please note that
Grub 2 works on exactly one PowerPC machine: Pegasos. It needs the most
the same solution that would actually fix bug 572869: a new ofpath
written from scratch that covers all PowerPC machines.

Joseph Jezak actually realized the nature of this bug and did his best
to produce a solution, but given the resources he had, he did not
finalize the job. His code is currently in a half baked state.

>> Le lundi 29 novembre 2010 à 22:55 +0100, Gaudenz Steinlin a écrit :
>>> Milan Kupcevic sent me a yaboot package for review today. I'll look
>>> into it tomorrow. So your assumption that there is nothing going on is
>>> simply wrong.
> On Tue, Nov 30, 2010 at 02:17:01AM +0100, Benjamin Cama wrote:
>> Well, I didn't see any message from him here regarding this issue. I
>> can't guess what people are doing. Seeing this ML's activity recently, I
>> was under the impression that everyone had let yaboot down. Nice to here
>> someone is trying to improve it, but I wonder what solution he found.

Refresh your memory, take a look at your message [2] where you ask
questions that are answered in the message you replied to.

On 12/01/2010 05:10 PM, Aurélien GÉRÔME wrote:
> Same thoughts here.

I'm working on the solution with people who answered my public and
private calls for information and help [3][4], who understand that it
takes more than google/copy/paste to create a fix, and who are actually
devoting many hours of their valuable time and expertise to provide much
needed information to actually fix the RC bug 572869.

Upstream and other distributions simply rely on CONFIG_SCSI_PROC_FS in
kernel and let the old bad ofpath do the job. But, we can't do it. This
bug is Debian specific [5], we have to rewrite all the tools that relied
on /proc/scsi.

The solution is almost production ready. Fully functional install cd
with fixes for #572869, #580455, #572925 and #603981 is created and
already successfully tested on many different Power and PowerPC
machines. I was just waiting for final review and assurance that the
code will actually get into Squeeze before I send final version patches
to the relevant bug reports.

But now we have structurally changed yaboot package with the latest
upstream version which fixed exactly one minor Debian bug, and produced
unknown number of yet unknown bugs. Release team was sending out
warnings and memos many times asking developers not to do it during the
Squeeze freeze.



[1] http://lists.debian.org/debian-powerpc/2010/09/msg00113.html
[2] http://lists.debian.org/debian-powerpc/2010/10/msg00111.html
[3] http://lists.debian.org/debian-powerpc/2010/10/msg00110.html
[4] http://lists.debian.org/debian-powerpc/2010/10/msg00133.html
[5] http://lists.debian.org/debian-kernel/2010/10/msg00222.html

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