lkml.org 
[lkml]   [2008]   [Apr]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] ACPI PM: Restore the 2.6.24 suspend ordering
Date
On Tuesday, 1 of April 2008, Pavel Machek wrote:
> Hi!

Hi,

> > > > > > For the reasons outlined above, the change of the suspend ordering
> > > > > > should be reverted, which is done by the patch below.
> > > > >
> > > > > But this will break those few nvidia-based systems, no?
> > > > >
> > > > > this may have been a good idea in -rc1 days, but we are in -rc7
> > > > > now... and the patch is slightly big.
> > > >
> > > > It's quite obvious, though.
> > >
> > > Yes, but breaking systems between -rc7 and final is _very_ unnice.
> >
> > Breaking systems between 2.6.24 and 2.6.25 is even worse, which is why
> > I've posted this patch.
> >
> > IOW, we tried to fix systems that were broken with 2.6.24, but it didn't work,
> > because our "fix" broke systems that were OK with 2.6.24. Solution: revert
> > the "fix" and go back to the design board. That's all we can do so late in
> > the release cycle, IMO.
>
> Well, I agree that regression from 2.6.24 is worse, but it is
> _slightly_ worse... -rcs are really expected to improve...
>
> ...plus it no longer looks like macbook regression is caused by _PTS
> ordering?
>
> > > > I think we _can_ do something about the failing NVidia systems in the 2.6.26
> > > > time frame, but that will require some more consideration.
> > >
> > > We could simply blacklist them, no?
> >
> > Yes, but for this purpose we'll have to redesign the core so that everything
> > (including debugging and the error paths) works if _PTS is executed before
> > suspending devices. _That_, however, is not a 2.6.25 thing.
>
> So we have solution that fixes 2.6.24 systems, makes system that
> worked in 2.6.25-rc5 work with command line option, but gets error
> handling wrong.
>
> I guess we could use that?

IMO we should not use that, because it's broken. That's why I posted the
patch.

Thanks,
Rafael


\
 
 \ /
  Last update: 2008-04-01 21:59    [W:0.074 / U:0.208 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site