From: Johannes Thumshirn <jthumshirn@suse.de>
To: "Ewan D. Milne" <emilne@redhat.com>
Cc: linux-scsi@vger.kernel.org
Subject: Re: [PATCH] scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist
Date: Tue, 31 May 2016 15:43:35 +0200 [thread overview]
Message-ID: <20160531134335.o3jpinkdl3wg7ww2@c203.arch.suse.de> (raw)
In-Reply-To: <1464702149-26573-1-git-send-email-emilne@redhat.com>
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 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.
>
> Reported-by: Jan Stancek <jstancek@redhat.com>
> Tested-by: Jan Stancek <jstancek@redhat.com>
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Ewan D. Milne <emilne@redhat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
--
Johannes Thumshirn Storage
jthumshirn@suse.de +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 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
next prev parent reply other threads:[~2016-05-31 13:43 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-31 13:42 [PATCH] scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist Ewan D. Milne
2016-05-31 13:43 ` Johannes Thumshirn [this message]
2016-06-03 3:19 ` Tom Yan
[not found] ` <CAGnHSEmS7NzEFK7uD357r6Y=xU5o1O0i+AU5qhmqcqjmp_K0Lw@mail.gmail.com>
2016-06-03 14:36 ` Ewan D. Milne
2016-06-03 19:14 ` Tom Yan
2016-06-03 19:19 ` Ewan D. Milne
2016-06-03 21:14 ` Bart Van Assche
2016-06-06 7:34 ` Hannes Reinecke
2016-06-06 14:11 ` Ewan D. Milne
2016-06-06 14:22 ` Hannes Reinecke
2016-06-06 15:05 ` Paolo Bonzini
2016-06-06 15:41 ` John Snow
2016-06-06 15:43 ` Paolo Bonzini
2016-06-06 15:47 ` John Snow
2016-06-06 16:03 ` Paolo Bonzini
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160531134335.o3jpinkdl3wg7ww2@c203.arch.suse.de \
--to=jthumshirn@suse.de \
--cc=emilne@redhat.com \
--cc=linux-scsi@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.