On Po 30-01-06 23:18:28, Rafael J. Wysocki wrote:
> Hi,
>
> On Thursday 26 January 2006 04:45, Nigel Cunningham wrote:
> >
> > Add a helper which counts the number of patches of a type (all
> > or userspace only) which are in TASK_UNINTERRUPTIBLE state.
> > These tasks are signalled (just in case they leave that state at
> > a later point), but we do not consider freezing to have failed
> > if and when they do not enter the freezer.
> >
> > Note that when they eventually leave TASK_UNINTERRUPTIBLE state,
> > they will enter the refrigerator, but will immediately exit if
> > we no longer want to freeze at that point.
>
> I think we need to do something like this to prevent problems with
> freezing under load.
That is dangerous... task in UNINTERRUPTIBLE may hold some lock,
AFAICT.
No, there's some simple bug in refrigerator, and I/we need to fix
that. Signals work under load, so refrigerator should, too.
Pavel
--
Thanks, Sharp!
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