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Bug 742469 - Drives can not be locked without media present
Drives can not be locked without media present
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: qemu-kvm (Show other bugs)
6.2
Unspecified Unspecified
medium Severity medium
: rc
: ---
Assigned To: Markus Armbruster
Virtualization Bugs
:
Depends On:
Blocks: 742458 748554
  Show dependency tree / graph
 
Reported: 2011-09-30 05:14 EDT by juzhang
Modified: 2013-01-09 19:24 EST (History)
6 users (show)

See Also:
Fixed In Version: qemu-kvm-0.12.1.2-2.206.el6
Doc Type: Bug Fix
Doc Text:
Cause: CD-ROM refused to let the guest lock an empty tray Consequence: Guest could not lock empty tray Fix: Permit locking regardless of media presence Result: Guest can lock empty tray
Story Points: ---
Clone Of:
Environment:
Last Closed: 2011-12-06 11:04:41 EST
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
Add an attachment (proposed patch, testcase, etc.)


External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2011:1531 normal SHIPPED_LIVE Moderate: qemu-kvm security, bug fix, and enhancement update 2011-12-05 20:23:30 EST

  None (edit)
Description juzhang 2011-09-30 05:14:02 EDT 
Description of problem:
Boot guest without media present
in guest.
# eject -i on /dev/sr0
(qemu) info block
.................
drive-ide0-1-0: type=cdrom removable=1 locked=0 [not inserted]

the locked is still as 0


Version-Release number of selected component (if applicable):
qemu-kvm-0.12.1.2-2.193.el6.x86_64
guest kernel
#uname -r
2.6.32-195.el6.x86_64


How reproducible:
100%

Steps to Reproduce:
1.boot guest without media present
-drive if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0
2.(qemu) info block
..................
drive-ide0-1-0: type=cdrom removable=1 locked=0 [not inserted]

3.In guest
 eject -i on /dev/sr0
CD-Drive may NOT be ejected with device button

4.(qemu) info block
..................
drive-ide0-1-0: type=cdrom removable=1 locked=0 [not inserted]

  
Actual results:
after step4,locked=0

Expected results:
locked=1

Additional info:
Comment 1 juzhang 2011-09-30 05:15:54 EDT 
http://post-office.corp.redhat.com/archives/rhvirt-patches/2011-September/msg00677.html

According to our test results. 
with this patch fix this issue.add this issue into tracker bug(bz742458)
Comment 7 juzhang 2011-10-20 05:44:02 EDT 
Verified with qemu-kvm-0.12.1.2-2.199.el6,the steps are as same as comment0.

Result
locked=1
Comment 11 Eduardo Habkost 2011-10-28 14:00:17 EDT 
Moving to ON_QA because Errata Tool did not do it
Comment 13 Markus Armbruster 2011-11-18 05:03:57 EST 
    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
Cause: CD-ROM refused to let the guest lock an empty tray
Consequence: Guest could not lock empty tray
Fix: Permit locking regardless of media presence
Result: Guest can lock empty tray
Comment 14 errata-xmlrpc 2011-12-06 11:04:41 EST 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2011-1531.html
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