Le vendredi 14 décembre 2007 à 09:28 -0800, Greg KH a écrit :
> On Fri, Dec 14, 2007 at 10:37:39PM +0530, Dhaval Giani wrote:
> > On Fri, Dec 14, 2007 at 08:26:42AM -0800, Greg KH wrote:
> > > On Thu, Dec 13, 2007 at 09:21:26PM +0100, Ingo Molnar wrote:
> > > >
> > > > * Kay Sievers <[email protected]> wrote:
> > > >
> > > > > > > > This one also fails to apply properly at the exact same place
> > > > > > > > has Ingo's previously posted patch. Would need to backport his
> > > > > > > > one.
> > > > > > >
> > > > > > > It depends on a completely reworked sysfs logic, I don't think it
> > > > > > > makes any sense to backport that.
> > > > > >
> > > > > > well, if it fixes a live bug in a still supported stable kernel
> > > > > > release...
> > > > > >
> > > > > > Vincent, could you try to just get rid of all actual uses of
> > > > > > se->attr.owner, within fs/sysfs/*.c? Something like the patch below.
> > > > > > (totally untested - might be fatally broken as well)
> > > > >
> > > > > How can you think that this is not needed? You can not remove it with
> > > > > sysfs you are patching. Hope this explains it:
> > > > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0ab66088c855eca68513bdd7442a426c4b374ced
> > > >
> > > > yeah - as i said it might be fatally broken (in fact it is). Do we
> > > > understand why Vincent got the crashes with vanilla 2.6.22.14 ?
> > >
> > > No, and I can't seem to duplicate them here at all.
> > >
> > > Does anyone have a test case for this that I can work on trying to
> > > duplicate?
> > >
> >
> > If you apply CFS without my fix, and try to constantly check cpu_shares
> > for a user who is logging and logging out, you should hit it. (That's
> > what I was doing).
>
> Hm, how about a "vanilla 2.6.22.14 kernel _without_ any patches".
> That's what I am most worried about :)
Since I was getting the problem with both vanilla & CFS patched kernels
and that, sadly, I don't have the time to do git bisect at the moment I
decided to go ahead and prepare a full migration to 2.6.23 (I was hoping
to skip directly to 2.6.24 but...).
I can confirm at the moment that 2.6.23 works properly with Galaxy (just
has 2.6.20 & 2.6.21 used to...).
Thnx very much everyone for the help but sadly this bug will have to
remain unresolved.
> thanks,
- vin
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