On Sat, 2 Sep 2000, Linus Torvalds wrote:
> On Sat, 2 Sep 2000, Rik van Riel wrote:
> > 1) the innd data corruption bug
>
> This, I think, was due to a bug in ext2 truncate. If so, it
> should be fixed in test8-pre2.
Cool...
> > 2) system hangs with 0 free low memory and some free
> > high memory
> >
> > The lru_cache_add() BUG() seems to be defanged for now and
> > isn't very high priority to me...
>
> I'd like to know what it was. Last I heard, it was still the
> case of "pages just off the freelist had some bits set that they
> shouldn't have". That makes me nervous.
Nope, that was what you /thought/ it was.
My debugging code has shown it to be something else,
lru_cache_add() is called for pages which are already
on the LRU list...
I know this because:
1) the boobytraps in rmqueue() and page_reclaim() never
trigger
2) the ->next->prev pointer is /consistent/ (this wouldn't
be the case after a list_del and being hauled through
rmqueue, etc...)
regards,
Rik
--
"What you're running that piece of shit Gnome?!?!"
-- Miguel de Icaza, UKUUG 2000
http://www.conectiva.com/ http://www.surriel.com/
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