Re: [FIX]: ultra45 boot failing...

2009-02-08 Thread David Miller
From: Jurij Smakov 
Date: Sun, 8 Feb 2009 23:05:21 +

> To give a little bit of background, this patch was supposed to fix 
> http://bugs.debian.org/500358. Bug trail contains all the gory 
> details, but the crux of the problem (as I understand it) is the 
> following: the commit [0] into the upstream git broke X on 
> Debian/sparc [1]. The version of the X.org by that time was already 
> frozen on all architectures in anticipation of the upcoming release, 
> so rolling in a new version, compatible with the kernel change, was 
> not really an option. The patch in question simply reverts this 
> commit, restoring the kernel interface (for the lack of a better word) 
> to the state, understood by X.org which we have available in Lenny.

So you're saying that X working is more important than machines
actually booting at all?  These priorities are wrong.

That kernel change got reverted upstream for a reason, it breaks
things.

If X is broken (which it is), you have to fix X.


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Re: [FIX]: ultra45 boot failing...

2009-02-08 Thread Jurij Smakov
On Sat, Feb 07, 2009 at 02:51:05AM -0800, David Miller wrote:
> From: Jurij Smakov 
> Date: Sat, 7 Feb 2009 10:45:31 +
> 
> > Thanks for pointing it out, David.
> 
> Please contact me in the future if you guys want to add non-trivial
> sparc specific changes.  That's how you can keep stuff like this
> from getting broken.
> 
> You can't even install on these boxes because of this bug.
> 
> It sounds very Ubuntu-esque that you can't get a fix like this
> into the tree due to "timing issues."  This is Debian for crying
> out loud :-)

Unfortunately, we are literally few days away from the release, and 
reverting this patch would break X for everyone on sparc, so it is 
probably better to keep it that way for now. Release team has agreed, 
that a better solution would be to get the fix (which might take a 
while to develop) into the first point release. We would really 
appreciate your insight into the way to properly address this issue.

To give a little bit of background, this patch was supposed to fix 
http://bugs.debian.org/500358. Bug trail contains all the gory 
details, but the crux of the problem (as I understand it) is the 
following: the commit [0] into the upstream git broke X on 
Debian/sparc [1]. The version of the X.org by that time was already 
frozen on all architectures in anticipation of the upcoming release, 
so rolling in a new version, compatible with the kernel change, was 
not really an option. The patch in question simply reverts this 
commit, restoring the kernel interface (for the lack of a better word) 
to the state, understood by X.org which we have available in Lenny.

As I said, we would really appreciate any suggestions on how to keep 
the Lenny version of X working on sparc, yet allow the boxes with 
PCI-Express to boot. I'm also adding some people who have helped to 
come up with the current solution and the newly opened bug to CC.

Thanks.

[0] 
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=c26d3c0138970778fabe114df99dffb34a04b1d7
[1] http://marc.info/?t=12124785781&r=1&w=2
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Re: Breaking X.Org on sparc (was: Bug#514418: [FIX]: ultra45 boot failing...)

2009-02-08 Thread W. Martin Borgert
On 2009-02-08 17:33, Jurij Smakov wrote:
> Something like this:

Added.


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Re: Breaking X.Org on sparc (was: Bug#514418: [FIX]: ultra45 boot failing...)

2009-02-08 Thread Jurij Smakov
On Sun, Feb 08, 2009 at 03:49:22PM +0100, W. Martin Borgert wrote:
> On 2009-02-08 00:07, Luk Claes wrote:
> > I think it's best to delay that to r1. Can someone please provide a text
> > for the release notes to describe the problem, TIA?
> 
> Hi all: Please send me a paragraph of text ASAP.
> (Or file a bug with the proposed text against "release-notes".)

Something like this:

Lenny kernel fails to boot on Sparc workstations with PCI-Express

Due to an unfortunate interaction of a kernel fix with PCI-Express 
subsystem, Lenny default kernel will fail to boot on Sparc 
workstations with PCI-Express slots, like Ultra 25 and Ultra 45. As 
this problem has been discovered very late in the release cycle, we 
were unable to include a fix in the original Lenny release, but we'll 
do our best to eliminate the problem for the first point release.

Best regards,
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Re: Breaking X.Org on sparc (was: Bug#514418: [FIX]: ultra45 boot failing...)

2009-02-08 Thread W. Martin Borgert
On 2009-02-08 00:07, Luk Claes wrote:
> I think it's best to delay that to r1. Can someone please provide a text
> for the release notes to describe the problem, TIA?

Hi all: Please send me a paragraph of text ASAP.
(Or file a bug with the proposed text against "release-notes".)


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Re: Breaking X.Org on sparc

2009-02-08 Thread Otavio Salvador
Luk Claes  writes:

>> This means that we have to back it out again and the only question is if
>> we will do that for r0 or r1.
>
> I think it's best to delay that to r1. Can someone please provide a text
> for the release notes to describe the problem, TIA?

I also agree about let it for r1; it would result in 8 or 10 days to
get it included in lenny.

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