From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:45558) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TaTkE-0008GY-SE for qemu-devel@nongnu.org; Mon, 19 Nov 2012 10:58:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TaTk8-0006CG-Oi for qemu-devel@nongnu.org; Mon, 19 Nov 2012 10:58:46 -0500 Received: from mail.profihost.ag ([85.158.179.208]:39973) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TaTk8-0006Bz-D7 for qemu-devel@nongnu.org; Mon, 19 Nov 2012 10:58:40 -0500 Message-ID: <50AA572D.2060804@profihost.ag> Date: Mon, 19 Nov 2012 16:58:37 +0100 From: Stefan Priebe - Profihost AG MIME-Version: 1.0 References: <589082222.7272963.1352241778123.JavaMail.root@redhat.com> <50A95A6A.4010109@profihost.ag> <50A9E991.2070609@redhat.com> <50A9FD86.3050400@profihost.ag> <50AA01C0.8030709@redhat.com> <50AA0314.6090208@profihost.ag> <50AA04A7.4080200@redhat.com> <50AA065F.5010602@profihost.ag> <50AA089B.7010400@redhat.com> <50AA0A2E.2090506@profihost.ag> <50AA0B90.6060702@redhat.com> <50AA1085.6000106@profihost.ag> <50AA151A.7030008@redhat.com> <50AA1CE7.7090100@profihost.ag> <50AA24E7.7010009@redhat.com> <50AA2DB0.6010107@profihost.ag> <50AA2EDF.6070409@redhat.com> <50AA420D.6070806@profihost.ag> <50AA4507.4080401@redhat.com> <50AA4A70.1090806@profihost.ag> <50AA4EB2.7040008@redhat.com> In-Reply-To: <50AA4EB2.7040008@redhat.com> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] scsi-hd with discard_granularity and unmap results in Aborted Commands List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: josh.durgin@inktank.com, qemu-devel@nongnu.org, sage@newdream.net Am 19.11.2012 16:22, schrieb Paolo Bonzini: > Il 19/11/2012 16:04, Stefan Priebe - Profihost AG ha scritto: >> [ 49.183366] sd 2:0:0:1: [sdb] >> [ 49.183366] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE >> [ 49.183366] sd 2:0:0:1: [sdb] >> [ 49.183366] Sense Key : Aborted Command [current] >> [ 49.183366] sd 2:0:0:1: [sdb] >> [ 49.183366] Add. Sense: I/O process terminated >> [ 49.183366] sd 2:0:0:1: [sdb] CDB: >> [ 49.183366] Write same(16): 93 08 00 00 00 00 03 ff ff f8 00 7f ff ff >> 00 00 >> [ 49.183366] end_request: I/O error, dev sdb, sector 67108856 >> [ 49.183366] sd 2:0:0:1: [sdb] >> [ 49.183366] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE >> [ 49.183366] sd 2:0:0:1: [sdb] >> [ 49.183366] Sense Key : Aborted Command [current] >> [ 49.183366] sd 2:0:0:1: [sdb] >> [ 49.183366] Add. Sense: I/O process terminated >> [ 49.183366] sd 2:0:0:1: [sdb] CDB: >> [ 49.183366] Write same(16): 93 08 00 00 00 00 04 7f ff f7 00 62 00 09 >> 00 00 >> [ 49.183366] end_request: I/O error, dev sdb, sector 75497463 > > This is not a cancel. It happens when the block layer reports an error. > You can try adding a printf to rbd_aio_bh_cb, like "if (acb->ret < 0) > printf("error... %d\n", acb->ret);". Yes this one get's interesting values back: rbd_aio_bh_cb got error back. acb->ret: -512 acb->error: 0 rbd_aio_bh_cb got error back. acb->ret: -512 acb->error: 0 rbd_aio_bh_cb got error back. acb->ret: -512 acb->error: 0 rbd_aio_bh_cb got error back. acb->ret: -512 acb->error: 0 rbd_aio_bh_cb got error back. acb->ret: -512 acb->error: 0 rbd_aio_bh_cb got error back. acb->ret: -512 acb->error: 0 rbd_aio_bh_cb got error back. acb->ret: -512 acb->error: 0 rbd_aio_bh_cb got error back. acb->ret: -512 acb->error: 0 rbd_aio_bh_cb got error back. acb->ret: -512 acb->error: 0 rbd_aio_bh_cb got error back. acb->ret: -1006628352 acb->error: 0 Stefan