Re: 2.6.13-mm2

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On Sunday 11 September 2005 21.36, Andrew Morton wrote:
> "Rafael J. Wysocki" <[email protected]> wrote:
> >
> > > 
> >  > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.13/2.6.13-mm2/
> >  > 
> >  > (kernel.org propagation is slow.  There's a temp copy at
> >  > http://www.zip.com.au/~akpm/linux/patches/stuff/2.6.13-mm2.bz2)
> > 
> >  Could you please reintroduce the yenta-free_irq-on-suspend.patch (attached)
> >  into -mm?  My box does not resume from disk without it.
> 
> No probs.
> 
> Daniel, do you remember why we decided to drop it?  What should we do about
> this?  Thanks.
> 

yeah, there was a long discussion about it. see:
	http://marc.theaimsgroup.com/?t=112275164900002&r=1&w=4
the reason being that it breaks APM suspend on Hugh Dickins' (added to cc:) laptop.
Linus was quite clear about why reverting...
	http://marc.theaimsgroup.com/?l=linux-kernel&m=112278810115252&w=4

we should look at both problems in detail:
- with APM it seems to break because the bridge gives interrupt before the
  handler is installed.
- with ACPI i think some _other_ device gives the interrupts too early. but
  when all devices on the interrupt unregister the irq is disabled and the
  problem is hidden.

i don't think we can do mutch about the APM case...

so Rafael, your /proc/interrupts, lspci -vvv and dmesg, please.

rgds
-daniel
-
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