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SubjectRe: [PATCH] 2.4.21-pre3-ac oops


Exactly when you want to flush the devices to platter.
The problem will be what to do if we get an error on flush-cache.

Andre Hedrick
LAD Storage Consulting Group

On Sun, 19 Jan 2003, Bryan Andersen wrote:

> Patch looks like it solved the problem. 6 kernel compiles
> and 6 mke2fs with bad block scans and the system is still
> up.
>
> The only thing I'm still seeing that is unusual is this kernel
> message:
>
> ide: no cache flush required.
>
> which only shows up in the file:
>
> ./drivers/ide/ide-disk.c:
>
> Nothing seams to come of them, but in the average boot I see
> 25 or so of them. They did not show up under linux-2.4.21-pre3.
> As near as I can tell they are generated when an ide device is
> closed.
>
> - Bryan
>
> Hugh Dickins wrote:
> > If you got 2.4.21-pre3-ac __free_pages_ok oops, please try this patch.
> >
> > Hugh
> >
> > --- 2.4.21-pre3-ac4/kernel/fork.c Mon Jan 13 18:56:12 2003
> > +++ linux/kernel/fork.c Sun Jan 19 13:39:37 2003
> > @@ -688,6 +688,8 @@
> > p->lock_depth = -1; /* -1 = no lock */
> > p->start_time = jiffies;
> >
> > + INIT_LIST_HEAD(&p->local_pages);
> > +
> > retval = -ENOMEM;
> > /* copy all the process information */
> > if (copy_files(clone_flags, p))
> >
> > -
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>
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