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Date: Sun, 17 Dec 2006 14:32:09 +0200 From: Andrei Popa <andrei.popa@...eo.ro> To: Andrew Morton <akpm@...l.org> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Hugh Dickins <hugh@...itas.com>, Linus Torvalds <torvalds@...l.org>, Florian Weimer <fw@...eb.enyo.de>, Marc Haber <mh+linux-kernel@...schlus.de> Subject: Re: 2.6.19 file content corruption on ext3 ierdnac ~ # uname -a Linux ierdnac 2.6.20-rc1 #1 SMP PREEMPT Sun Dec 17 01:52:28 EET 2006 i686 Genuine Intel(R) CPU T2050 @ 1.60GHz GenuineIntel GNU/Linux On Sun, 2006-12-17 at 04:06 -0800, Andrew Morton wrote: > On Sun, 17 Dec 2006 02:13:18 +0200 > Andrei Popa <andrei.popa@...eo.ro> wrote: > > > Hello, > > I had filesystem data corruption with rtorrent with 2.6.19. > > I tried recent git with Peter Zijlstra patch > > http://lkml.org/lkml/2006/12/16/144 and it seems that the problem is > > fixed. > > > > oh crap, I'd forgotten that test_clear_page_dirty() now fiddles with the > ptes. > > I'd be really surprised if this was all due to a race though. Is everyone > who has observed this problem running SMP and/or premptible kernels? > > Peter, why isn't that proposed patch's cleaning of the pte racy against > do_wp_page()? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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