This is a note to let you know that I've just added the patch titled scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: scsi-add-qemu-cd-rom-to-vpd-inquiry-blacklist.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From fbd83006e3e536fcb103228d2422ea63129ccb03 Mon Sep 17 00:00:00 2001 From: "Ewan D. Milne" <emilne@xxxxxxxxxx> Date: Tue, 31 May 2016 09:42:29 -0400 Subject: scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist From: Ewan D. Milne <emilne@xxxxxxxxxx> commit fbd83006e3e536fcb103228d2422ea63129ccb03 upstream. 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 QEMU 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. Signed-off-by: Ewan D. Milne <emilne@xxxxxxxxxx> Reported-by: Jan Stancek <jstancek@xxxxxxxxxx> Tested-by: Jan Stancek <jstancek@xxxxxxxxxx> Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/scsi/scsi_devinfo.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -227,6 +227,7 @@ static struct { {"PIONEER", "CD-ROM DRM-624X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, {"Promise", "VTrak E610f", NULL, BLIST_SPARSELUN | BLIST_NO_RSOC}, {"Promise", "", NULL, BLIST_SPARSELUN}, + {"QEMU", "QEMU CD-ROM", NULL, BLIST_SKIP_VPD_PAGES}, {"QNAP", "iSCSI Storage", NULL, BLIST_MAX_1024}, {"SYNOLOGY", "iSCSI Storage", NULL, BLIST_MAX_1024}, {"QUANTUM", "XP34301", "1071", BLIST_NOTQ}, Patches currently in stable-queue which might be from emilne@xxxxxxxxxx are queue-4.4/scsi-add-qemu-cd-rom-to-vpd-inquiry-blacklist.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html