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Re: PowerPC bugs

 

Hi Ron,

the guys do actually work magic. Maybe not as fast as we wish at times, but
"Swears on Heart" they really do their best.

Regards,

Phill.

On 8 October 2012 01:05, Ron Mitchell <rm2892@xxxxxxxxx> wrote:

> Thank you all for allowing me in on some of the thinking that goes on
> behind some of these issues. It was a fascinating discussion, and finally I
> see what you're up against.
>
> Notwithstanding…...
>
> I just installed today's PPC  build of  Lubuntu 12.10 from the live disk
> on my eMAC - the one with the wildly uncooperative Radeon 9200 graphics
> card. The result was a normal boot!.
>
> No YABOOT arguments   were required. I just pressed return after "boot".
>
> The live disk itself required a YABOOT command line  (Greg's). But the
> resulting install was fine.
>
> Has somebody somewhere been working some magic?
>
> Ron Mitchell
>
>
>
>
>
>
>
>
> On 2012-10-07, at 4:21 PM, Phill Whiteside wrote:
>
> Hi Adam and PPC guys,
>
> I'm going to give you the honest truth. We are now too late to sort the
> issues out.
>
> I know that some of these bugs go back a long while, some are recent. I
> cannot see any help in my complaining to SABDFL over what has occurred
> after the changes after A3.
>
> I propose that PPC follows...
>
>
>> (23:14:36) xxxx: That mail's very long and rambling, and doesn't really
>> give me any concise statement of "this is broken; this is how we propose
>> fixing it".
>> (23:15:13) phillw: Thinking about this some more, the KMS option
>> shouldn't be the default option on the live/desktop ISOs.  The
>> crashes/freezes with radeon can take some time to appear.  It is quite
>> conceivable that they could occur in the middle of re-partitioning, which
>> would be bad.
>> (23:15:13) phillw:
>> (23:15:13) phillw: The more you think about, the more appealing the
>> Debian way of doing things is: Just rely on the user to add video=ofonly if
>> they want KMS.  This is basically what the boot message says to do at the
>> moment anyway, although it doesn't explicitly mention KMS.
>> (23:15:39) phillw: what do you need from Debian for the fix to be
>> proposed?
>> (23:16:28) xxxx: You implied earlier that there was a patch to the
>> driver and/or kernel as an option, not just the command-line change.
>> (23:18:13) phillw: did you read the email? He accepts that he was
>> probably mistaken on a previous fix?
>> (23:18:50) phillw: Like I said, up until bug 1058641 I was happy for
>> radeonfb just to be removed.  This is even though I was responsible for
>> having it put back (along with aty128) into 12.04 -
>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/949288 . <https://bugs.launchpad.net/ubuntu/+source/linux/+bug/949288%C2%A0.%C2%A0>Incidentally, can I ask the kernel people was there a reason
>> why CONFIG_FB_ATY was missed off.....something I probably should of done
>> that at the time?!  Sorry!  I don't know anything about Mach64/Rage cards,
>> particularly their current state in 12.10....will they use fbdev too now?
>> Can ubuntu-x confirm?
>> (23:23:32) xxxx: So, uhm. Reading through that bug, two things jump out.
>> video=ofonly isn't the default, and only when setting this option do things
>> go pear-shaped.
>> (23:24:01) xxxx: The fix for it is, currently, a custom Xorg.conf, or a
>> custom radeonfb command-line. Neither of those can be done automatically
>> for the user in any sane fashion.
>> (23:24:46) xxxx: If real code fixes for this can't be found in time, I
>> think the people really familiar with the issue need to sit down and write
>> some CLEAR release notes we can include for people about how to work around
>> this.
>> (23:26:54) phillw: so, we're pretty screwed? sorry to use that word. If
>> we can get release notes out, I'll support them & then we can look at a fix
>> as a matter of urgency... would that be okay from the guy who is liasion
>> between -release and -kernel?
>> (23:28:18) xxxx: I think release noting is the only sane way forward
>> here, other than fixing the actual bug. We can't be writing out custom X
>> config files for everyone, nor custom framebuffer inits based on the
>> resolution and refresh rate they may want.
>> (23:29:19) phillw: As we are too late to fix the bug, would you object
>> to release notes?
>> (23:29:56) phillw: well, bugs...
>> (23:31:27) xxxx: I don't object to release notes, no. This is what
>> they're for. In this case, though, the instructions for "how to find your
>> video card and write a custom X config" and "how to switch to using
>> framebuffer-only graphics, and configure your kernel command-line
>> appopriately" are a bit long for a release note, so nice, clear,
>> step-by-step instructions on a wiki page would be great, and then a release
>> note that briefly describes the problem and points to said wi
>> (23:33:23) phillw: Oh, do not worry about that! I'm also a wiki person,
>> to get a set of steps in for new people will be clear 1., 2., etc...
>
>
> So, can I ask that you good people get the wiki area up for the release
> notes? We will go battle on in 13.04 :)
>
> For kernel & -x, the PPC team will be looking for the fix. Thanks for
> sticking with this arch :)
>
> Regards,
>
> Phill.
>
>
>


-- 
https://wiki.ubuntu.com/phillw

References