On Wed, 11 Oct 2000 tytso@mit.edu wrote:
> Date: Wed, 11 Oct 2000 16:33:09 +0100 (BST)
> From: Tigran Aivazian <tigran@veritas.com>
>
> Maybe this is because I called this machine - hilbert, so now it gives me
> nothing but very interesting and exciting Problems... in fact too many of
> them :)
>
> There was a similar problem reported with test9 that seems related.
> (included below). Rik, what do you think?
> Oct 7 11:50:47 localhost kernel: kernel BUG at page_alloc.c:91!
> Oct 7 11:50:47 localhost kernel: Call Trace: [tvecs+8671/55752] [tvecs+9165/55752] [page_launder+674/1888] [__free_pages+19/20] [page_launder+1161/1888] [do_try_to_free_pages+52/128] [tvecs+7999/55752]
> Oct 7 11:50:47 localhost kernel: [kswapd+115/288] [kernel_thread+40/56]
> Oct 7 11:50:47 localhost kernel: Code: 0f 0b 83 c4 0c 89 f6 89 da 2b 15 f8 89 26 c0 89 d0 c1 e0 04
Hmmm, this means that somebody is dropping the last reference to a
page with page->mapping set, even though the page is locked.
Then page_launder() drops the extra reference it was holding on the
page and __free_pages_ok() will barf ...
regards,
Rik
-- "What you're running that piece of shit Gnome?!?!" -- Miguel de Icaza, UKUUG 2000http://www.conectiva.com/ http://www.surriel.com/
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