From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: Re: [PANIC] : kernel BUG at drivers/md/raid5.c:2756! Date: Tue, 1 Nov 2011 17:29:46 +1100 Message-ID: <20111101172946.1bf765f4@notabene.brown> References: <20111101163931.4d85e330@notabene.brown> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/o1O+VrKQIT1kZZ/JgZUV+DS"; protocol="application/pgp-signature" Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Manish Katiyar Cc: linux-raid@vger.kernel.org, Dan Williams List-Id: linux-raid.ids --Sig_/o1O+VrKQIT1kZZ/JgZUV+DS Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Mon, 31 Oct 2011 23:09:04 -0700 Manish Katiyar wrot= e: > > I think you were quite unlucky to hit this and that you will find it ha= rd to > > reproduce. :-( >=20 > Well, its always reproducible on my ubuntu when I run that script. >=20 Excellent!! That means you can reliably see if the patch fixes it. :-) I guess I was thinking of 'real' devices which are slower than XOR. You we= re using loop back device on files in /tmp which are presumably always in memo= ry. I guess it would be a lot easier to hit in that case. Thanks, NeilBrown --Sig_/o1O+VrKQIT1kZZ/JgZUV+DS Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iQIVAwUBTq+R2jnsnt1WYoG5AQI0lA/9EKt+Y/+iSq5+wNWhWxsuoK4vFiE5CvSL mlBcUywz/3g5DvGrNW+D5SVGCvWyLv2BLL3Skd5rT1Fo8rzWzQiOUv03A+OmjA3h RTD6HwWsblWUJ5ZvrSm5m+VRInL6/eP5XyGneacZNTa0mzEZWXdwSvLHZG3Ktsys SXhdQ2E2mNAVvGAn8pwJG6d8c2vSaoUAt2JUXWjJKfUcu+LN2W5QvzPbxq42hitK wD5rXOYHWyUsUcDOSAFqdfuugUGw8ha7YVCW6pVEtzJnEZpQmBkeVXn5Hfn/xQot 62pYuTmBgkePUS0Q92D34FUr0RqzS5HnsybqxDzIquAv0epuuXCTiFoSzj1T4UNa 8NNa0vTLMDLpHih8tFfCQLkxE/07mjK4C7InnYemJKSw4swEGjs7pKZGPjZDQ5Aj 7vIlB2lRN/nT/hx2dLTzYQIrqJ8IirFSKMSmhkSwICAl6lw66VQBIBAy05i+Xdqr NiAva5PkI+Zf9Tnm2JHtMtPY1F4iPaU8zHmp5tyqQEtuCPccjCXMQrkLwHjW3HIp Gdh0F9/UaMvSv6mpPFJiZAd38DPuRPOcUq9OmzybDFa4Q9u0tGh85hueNf5nxi3Q yFLctf6V2FJsDBJV7yTpKy7wiOyPjtSwZiZMA1R/8Bxi9o/TlR6g8JNFrjKROKqD MQBeC+ibaJY= =tnEm -----END PGP SIGNATURE----- --Sig_/o1O+VrKQIT1kZZ/JgZUV+DS--