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Description of problem:
usb-storage depends on scsi (just scsi-bus and scsi-disk to be exact).
scsi is disabled in RHEL-6.1 qemu-kvm. It must be enabled and
fixed (doesn't build right now).
Version-Release number of selected component (if applicable):
qemu-kvm-0.12.1.2-2.160.el6.x86_64
I just need enougth scsi bits to make usb-storage work.
The lsi host adapter can be left disabled.
On QA: autotest support for usb storage has been submitted and merged upstream.
Comment 5Markus Armbruster
2011-06-08 07:24:24 UTC
Updating summary to restrict scope as per comment#3.
Comment 6Markus Armbruster
2011-06-08 07:33:12 UTC
We better do what we can to limit the test and support matrix.
Can we keep qdev "scsi-generic" disabled?
Can we restrict qdev "scsi-disk" to disks, and keep CD-ROMs disabeled?
scsi-generic can be kept disabled. Can be used in with usb-storage in theory, but I certainly don't feel like testing and supporting that combination.
scsi-disk emulating a cdrom works just fine with usb-storage. autotest also excercises installations from a virtual usb cdroms, so I'd leave that enabled.
Hi Gerd,
During usb device functional test, we have two new bugs about usb-storage:
Bug 733010 - core dump when issue fdisk -l in guest which has two usb-storage attached
Bug 735018 - qemu-kvm will be aborted with core dumped when boot guest has ehci and uhci storage attached simultaneous
Please have a look if they are trouble, thanks.
According to comment24,we did usb device functional test,basically works well.
we found two bugs(bz733010 and bz734995),we close this issue and continue track and verify these two bugs.
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