Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269237AbUJQRoz (ORCPT ); Sun, 17 Oct 2004 13:44:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269239AbUJQRoz (ORCPT ); Sun, 17 Oct 2004 13:44:55 -0400 Received: from pop.gmx.de ([213.165.64.20]:16875 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S269237AbUJQRnG (ORCPT ); Sun, 17 Oct 2004 13:43:06 -0400 X-Authenticated: #8834078 From: Dominik Karall To: OGAWA Hirofumi Subject: Re: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U3 Date: Sun, 17 Oct 2004 19:46:31 +0200 User-Agent: KMail/1.7 Cc: Lee Revell , Ingo Molnar , linux-kernel , Rui Nuno Capela , Mark_H_Johnson@raytheon.com, "K.R. Foley" , Daniel Walker , Bill Huey , Andrew Morton , Adam Heath , Lorenzo Allegrucci , Andrew Rodland References: <200410162344.41533.dominik.karall@gmx.net> <87k6tpwebi.fsf@devron.myhome.or.jp> In-Reply-To: <87k6tpwebi.fsf@devron.myhome.or.jp> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2517290.xttWXIDIS9"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200410171946.33472.dominik.karall@gmx.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2432 Lines: 73 --nextPart2517290.xttWXIDIS9 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Sunday 17 October 2004 17:32, OGAWA Hirofumi wrote: > Dominik Karall writes: > > i could reproduce it now, but only once. it appeared when i started an > > avi movie from my fat32 partition. mplayer stopped at buffering 2% and > > does not play the movie. i tried to start mplayer again and reproduce i= t, > > but the bug does not appear again. mplayer only stopped at 2% buffering > > and does nothing more. it seems like the file couldn't be read clearly > > now from the fat32 partition, as it does not work with xine and others > > too. > > here is the bug i get now: > > > > ------------[ cut here ]------------ > > kernel BUG at fs/fat/cache.c:150! > > Probably this BUG_ON() was wrong. Does this bug occur only by the > specific file? > > If so, please do "filefrag -v filename" against that file. > > Then, can you try the attached patch? This patch removes the BUG_ON(), > and instead adds printk() for debugging. When the bug occured, it prints > the current cache. > > Thanks. yes, the bug only occurs on a specific file. as the bug is present in -mm1 (without vp) too, i applied your patch to tha= t=20 one. here is the output: fat_cache_check: id 0, contig 6415, fclus 38231, dclus 1010103 contig 6416, fclus 38231, dclus 1010103 contig 0, fclus 32, dclus 603964 contig 1, fclus 30, dclus 603960 contig 7, fclus 22, dclus 603950 contig 4, fclus 17, dclus 603943 contig 1, fclus 15, dclus 603940 contig 6, fclus 8, dclus 603931 contig 0, fclus 7, dclus 603929 and the movie starts to play in mplayer without problems. tell me if you ne= ed=20 more debugging! best regards, dominik --nextPart2517290.xttWXIDIS9 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (GNU/Linux) iQCVAwUAQXKv+QvcoSHvsHMnAQIjzgP/R3C9RgbwnCoYPeGjcVINlMgQGMvsioob 9jXOj4tYd+g1jcALyLhpQDGisySsnkk99jB+Deq0GV2SupWlPkUVwjjaSMkE/i2W D9IRsKwtlW8BW3A3qGQW8bmVPkMmZL0IXapDKoe+QR/VgI45YwlHU7LoMmEWu0dU +aA0EuGFEwE= =w52T -----END PGP SIGNATURE----- --nextPart2517290.xttWXIDIS9-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/