From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from kim.monte-stello.com ([91.121.114.170]:38888 "EHLO kim.monte-stello.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752274Ab2IQU33 (ORCPT ); Mon, 17 Sep 2012 16:29:29 -0400 Date: Mon, 17 Sep 2012 21:29:23 +0100 From: Antoine Sirinelli To: Liu Bo Cc: Btrfs mailing list Subject: Re: Oops with a "degraded" volume Message-ID: <20120917202922.GA14962@speedy> References: <20120915141737.GA4784@kabis> <5056C728.40606@oracle.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="wRRV7LY7NUeQGEoC" In-Reply-To: <5056C728.40606@oracle.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: --wRRV7LY7NUeQGEoC Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Sep 17, 2012 at 02:46:00PM +0800, Liu Bo wrote: > On 09/15/2012 10:17 PM, Antoine Sirinelli wrote: > > I have experienced a very reproducible Oops within the btrfs driver. On > > a linux 3.5.4, if I mount a volume with the option "degraded" because > > one of the device is missing, I would get an Oops when I unmount it (or > > even before). You can see attached the kernel log. >=20 > Thanks for the report. And this has been fixed by >=20 > commit 99f5944b8477914406173b47b4f261356286730b > Btrfs: do not strdup non existent strings >=20 > You can find this commit in 3.6.0-rc5. :) That's right, I have done the same test with rc6 and it does not crash anymore. Many thanks, Antoine --wRRV7LY7NUeQGEoC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBCAAGBQJQV4giAAoJENprakT/0XU0TqgP/jaU3vP/egGgkyE2bPxfRaCD wsvDHDQ0lRoSydnDkQ9KdFQXcHNEluL3Gs3c0RKJSqFyOlTLhDFKLr9gQXofvHYL rw1ZpZuMSXlvmReidwyiv0eBr9338WfEiarmfbdRJGicLyEKn3bHDVkZmPLme/FR Esl6BEKaasn8cz7AKB+nYgS5zt8avGehEPntEx6InjjBsMz+4xd+1DKbzIcNJSxz z0+JEu4+3V8FipUymXXA+ni+R9J3WJC7yUirUMDdbVtN8Qa1mOWzkr8MXvb92H9A Fx/eBH1WiNknH9gdDbj/sRwMusWCJpGtIQwMH4ggV5/JO6+dF1AwuvgykNSBkMAW CG+l6hwFTjRrcSuirNxv+T0EmXAqhYYk7x2TexchZvW1A1SPpqCSRBZQT2s+9QFU ICCmGsroqkWH7v5DbR6ujcOnVfxZuVnC63tq5+t7MxJUkh1pOizPSYQ8UNc45JAt Q9OiNAOoM9zNQrgvWKpc4sxGn4fBDqjA9EYBlsnLZKRhHprWq6CNxty/A6P7twow 2/FDM7ZgKTrdkUF6MnHprdcBhoH/Ef4l/302MhCSqidUF1Hmse4joLXDXaVOL7W5 JDBgJ/fJgu+7085lgHfSRxkHGpK3WDTGVejkk8P/EWgj+EQjQmIbOuT7HycSGk15 vEbzs2i9koMl1L2mMBZU =NICp -----END PGP SIGNATURE----- --wRRV7LY7NUeQGEoC--