From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Ewan D. Milne" Subject: Re: [PATCH] scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist Date: Fri, 03 Jun 2016 10:36:57 -0400 Message-ID: <1464964617.20724.79.camel@localhost.localdomain> References: <1464702149-26573-1-git-send-email-emilne@redhat.com> <20160531134335.o3jpinkdl3wg7ww2@c203.arch.suse.de> Reply-To: emilne@redhat.com Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mx1.redhat.com ([209.132.183.28]:60933 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932489AbcFCOg6 (ORCPT ); Fri, 3 Jun 2016 10:36:58 -0400 In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Tom Yan Cc: Johannes Thumshirn , "linux-scsi@vger.kernel.org" This is an existing configuration that broke with the VPD rescan changes. The problem is that the error causes a rescan to be initiated, which results in endless error messages. On Fri, 2016-06-03 at 03:15 +0000, Tom Yan wrote: > Why not get qemu have it fixed instead? >=20 > On Tuesday, 31 May 2016, Johannes Thumshirn > wrote: > On Tue, May 31, 2016 at 09:42:29AM -0400, Ewan D. Milne wrote= : > > Linux fails to boot as a guest with a QEMU CD-ROM: > > > > [ 4.439488] ata2.00: ATAPI: QEMU CD-ROM, 0.8.2, max > UDMA/100 > > [ 4.443649] ata2.00: configured for MWDMA2 > > [ 4.450267] scsi 1:0:0:0: CD-ROM QEMU QEM= U > CD-ROM 0.8. PQ: 0 ANSI: 5 > > [ 4.464317] ata2.00: exception Emask 0x0 SAct 0x0 SErr > 0x0 action 0x6 frozen > > [ 4.464319] ata2.00: BMDMA stat 0x5 > > [ 4.464339] ata2.00: cmd > a0/01:00:00:00:01/00:00:00:00:00/a0 tag 0 dma 16640 in > > [ 4.464339] Inquiry 12 01 00 00 ff 00res > 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) > > [ 4.464341] ata2.00: status: { DRDY DRQ } > > [ 4.465864] ata2: soft resetting link > > [ 4.625971] ata2.00: configured for MWDMA2 > > [ 4.628290] ata2: EH complete > > [ 4.646670] ata2.00: exception Emask 0x0 SAct 0x0 SErr > 0x0 action 0x6 frozen > > [ 4.646671] ata2.00: BMDMA stat 0x5 > > [ 4.646683] ata2.00: cmd > a0/01:00:00:00:01/00:00:00:00:00/a0 tag 0 dma 16640 in > > [ 4.646683] Inquiry 12 01 00 00 ff 00res > 48/20:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) > > [ 4.646685] ata2.00: status: { DRDY DRQ } > > [ 4.648193] ata2: soft resetting link > > > > ... > > > > Fix this by suppressing VPD inquiry for this device. > > > > Reported-by: Jan Stancek > > Tested-by: Jan Stancek > > Cc: > > Signed-off-by: Ewan D. Milne > =20 > Reviewed-by: Johannes Thumshirn > =20 > -- > Johannes Thumshirn > Storage > jthumshirn@suse.de +49 911 > 74053 689 > SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N=C3=BCrnberg > GF: Felix Imend=C3=B6rffer, Jane Smithard, Graham Norton > HRB 21284 (AG N=C3=BCrnberg) > Key fingerprint =3D EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2= D76 > 0850 > -- > To unsubscribe from this list: send the line "unsubscribe > linux-scsi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at > http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html