From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39623) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1euHXt-00054d-4o for qemu-devel@nongnu.org; Fri, 09 Mar 2018 07:54:50 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1euHXs-0005Dx-E2 for qemu-devel@nongnu.org; Fri, 09 Mar 2018 07:54:49 -0500 References: <20180306130121.30243-1-berto@igalia.com> From: Max Reitz Message-ID: <08c5381a-cacf-6d0d-d804-4066a7d3018c@redhat.com> Date: Fri, 9 Mar 2018 13:54:31 +0100 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="q36PGl0Kg9Hz87d1tdob4TiEsSTj1A61N" Subject: Re: [Qemu-devel] [PATCH v4] iotests: Tweak 030 in order to trigger a race condition with parallel jobs List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alberto Garcia , qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, Kevin Wolf , John Snow This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --q36PGl0Kg9Hz87d1tdob4TiEsSTj1A61N From: Max Reitz To: Alberto Garcia , qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, Kevin Wolf , John Snow Message-ID: <08c5381a-cacf-6d0d-d804-4066a7d3018c@redhat.com> Subject: Re: [PATCH v4] iotests: Tweak 030 in order to trigger a race condition with parallel jobs References: <20180306130121.30243-1-berto@igalia.com> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 2018-03-08 08:44, Alberto Garcia wrote: > On Wed 07 Mar 2018 06:54:51 PM CET, Max Reitz wrote: >>> v4: Mention that commit 1a63a907507fbbcfaee3f622907ec24 also >>> contributes to solve the original bug (both commits need to >>> reverted in order to reproduce this bug reliably). >>> >>> Rewrite the loop that writes data into the images to make it more= >>> readable. >> >> Thanks! Applied to my block tree: >> >> https://github.com/XanClic/qemu/commits/block >> >> (Still took me a couple of attempts to get it to fail both commits >> reverted, though...) >=20 > Odd, I can reproduce it 100% of the cases. Were you maybe running the > tests on tmpfs ? =2E..yes? O:-) Max > Anyway, thanks! --q36PGl0Kg9Hz87d1tdob4TiEsSTj1A61N Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQFGBAEBCAAwFiEEkb62CjDbPohX0Rgp9AfbAGHVz0AFAlqihAcSHG1yZWl0ekBy ZWRoYXQuY29tAAoJEPQH2wBh1c9AqoEH/1ncqjVichCNGt3lzVaWoaTgUdGf2s9f uikkVQA8ptmFL/4NziAau5hIt/H3HS1FDNaj29EBLd5ky5CgYIrGGwDLCR8jR1Z4 mXv4Aq8bX4IuNaHzf7HM98YG1BoQZr1MnxHeo71SduogV7qsGaZMa2Gh51DujZOz J140geksNkxAg5LDM3q9163rj5dwmV/hwlebql+aSMRU9oADAeU5VbNz7INmYBX7 e92grmBXGRJtZEs8qxFNX1DaG5TvvNa8rSAj6LTdkxsTLY5uTz9pX3GVdwKoEwwv PRc71YELB2AKum51JS9tWUo5P/qgJB3O6esb/fDseZzb2Qs8mTjehVE= =CQzf -----END PGP SIGNATURE----- --q36PGl0Kg9Hz87d1tdob4TiEsSTj1A61N--