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scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist
authorEwan D. Milne <emilne@redhat.com>
Tue, 31 May 2016 13:42:29 +0000 (09:42 -0400)
committerMartin K. Petersen <martin.petersen@oracle.com>
Wed, 1 Jun 2016 02:46:53 +0000 (22:46 -0400)
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@redhat.com>
Reported-by: Jan Stancek <jstancek@redhat.com>
Tested-by: Jan Stancek <jstancek@redhat.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/scsi_devinfo.c patch | blob | blame | history

diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index 3408578b08d6adb23fe38c6a8c84c066236bc4ad..ff41c310c900a5760bf33423a5db4362c5dfc25b 100644 (file)
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -230,6 +230,7 @@ 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},