Bug 588668 - F13: don't probe for RAIDs on CD-ROMs
Summary: F13: don't probe for RAIDs on CD-ROMs
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: util-linux-ng
Version: 13
Hardware: All
OS: Linux
low
medium
Target Milestone: ---
Assignee: Karel Zak
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Keywords:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2010-05-04 08:58 UTC by Karel Zak
Modified: 2010-06-14 10:15 UTC (History)
2 users (show)

(edit)
Clone Of: 588248
(edit)
Last Closed: 2010-06-14 10:15:49 UTC

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Description Karel Zak 2010-05-04 08:58:23 UTC 
+++ This bug was initially created as a clone of Bug #588248 +++

Description of problem:

RAID probing of CD/DVD can yield errors because of well-known problem
in reading the end of the disk with some disk/drive combinations.

More information (upstream):
http://thread.gmane.org/gmane.linux.utilities.util-linux-ng/3114


The problem is not possible to reproduce without the (broken) hardware, but it's possible to check that blkid(8) does not read from last sectors from the probed device. For example

 strace -e read blkid /dev/cdrom

--- Additional comment from kzak@redhat.com on 2010-05-03 05:36:31 EDT ---

Note that you can also use 

  BLKID_DEBUG=0xffff blkid -p -o udev /dev/cdrom

to check that libblkid does not call RAID probing functions. (The -p should be also used tor the previous example with "strace".)
Comment 1 Fedora Update System 2010-05-04 09:17:28 UTC 
util-linux-ng-2.17.2-4.fc13 has been submitted as an update for Fedora 13.
http://admin.fedoraproject.org/updates/util-linux-ng-2.17.2-4.fc13
Comment 2 Fedora Update System 2010-05-10 23:52:19 UTC 
util-linux-ng-2.17.2-4.fc13 has been pushed to the Fedora 13 stable repository.  If problems still persist, please make note of it in this bug report.
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