From: Albert Lee <albertcc@tw.ibm.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Linux IDE <linux-ide@vger.kernel.org>,
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
Doug Maxey <dwm@maxeymade.com>
Subject: [RFC] libata: add MODE_SENSE(6) emulation?
Date: Wed, 06 Apr 2005 15:46:35 +0800 [thread overview]
Message-ID: <425393DB.3010702@tw.ibm.com> (raw)
Hi Jeff,
Even though libata sets sdev->use_10_for_ms = 1;
libata still receives MODE_SENSE(6) and MODE_SELECT(6) commands during the test.
(These commands seems to be coming from the user space, not from the SCSI mid-layer.)
Most ATAPI devices don't like it, and either return error or time out.
(Ex.
Attached scsi CD-ROM sr0 at scsi7, channel 0, id 0, lun 0
ata7: command 0xa0 timeout, stat 0x50 host_stat 0x1)
Should MODE_SENSE(6) / MODE_SELECT(6) emulation be added to libata
to fix this? This can also make the ATAPI devices look more like real SCSI devices.
Albert
next reply other threads:[~2005-04-06 7:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-06 7:46 Albert Lee [this message]
2005-05-16 2:29 ` [RFC] libata: add MODE_SENSE(6) emulation? Jeff Garzik
2005-05-16 13:21 ` Mark Lord
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