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Bug 1144043 - after plug/redirection of usb device, virt-viewer freezes for several seconds before the device gets redirected
Summary: after plug/redirection of usb device, virt-viewer freezes for several seconds...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: spice-usbdk-win
Version: ---
Hardware: Unspecified
OS: Unspecified
unspecified
medium
Target Milestone: rc
: ---
Assignee: Dmitry Fleytman
QA Contact: SPICE QE bug list
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-09-18 13:55 UTC by David Jaša
Modified: 2019-10-10 14:09 UTC (History)
10 users (show)

Fixed In Version: mingw-spice-gtk-0.26-10.el7ev mingw-virt-viewer-2.0-8.el7ev rhevm-spice-client-3.6-6
Doc Type: Bug Fix
Doc Text:
Redirecting or releasing a USB device can take 3-5 seconds in some cases, and since this was performed synchronously in spice-gtk, it caused virt-viewer to freeze for several seconds. In this release, these operations have been made asynchronous on the spice-gtk level, and users will no longer experience virt-viewer freezing when redirecting or releasing a USB device.
Clone Of:
Environment:
Last Closed: 2016-03-09 20:09:11 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHEA-2016:0377 0 normal SHIPPED_LIVE rhevm-spice-client bug fix and enhancement update 2016-03-10 00:39:05 UTC

Description David Jaša 2014-09-18 13:55:50 UTC 
Description of problem:
after plug/redirection of usb device, virt-viewer freezes for several seconds before the device gets redirected

Version-Release number of selected component (if applicable):
spice-usbdk-win v0.02-1
client systems: xp, 7 32b, 7 64b

How reproducible:
frequent

Steps to Reproduce:
1. connect to some guest with usbdk-enabled client
2. plug in a device (to trigger auto-redirection), check a device in "USB device selection"

Actual results:
before the device is successfully redirected, virt-viewer/spice-gtk freezes for several seconds

Expected results:
1. the time to redirect the device should be comparable to winusb/usbclerk - a fraction of second
2. the device redirection should be asynchronous

Additional info:
Comment 1 pgurvich@redhat.com 2014-09-28 12:32:17 UTC 
In winusb back-end the redirection process is asynchronous one, so the GUI is doesn't wait for a finishing of the process.

In UsbDk, the process is synchronous and therefore the GUI freezes until end of redirecting.

The problem should be solved in GUI.
Comment 2 Dmitry Fleytman 2014-09-29 11:59:46 UTC 
Fix pending rebase of current spice-gtk patches to master.
Comment 3 Christophe Fergeau 2015-06-04 14:07:45 UTC 
This is discussed in http://lists.freedesktop.org/archives/spice-devel/2015-May/020037.html and http://lists.freedesktop.org/archives/spice-devel/2015-June/020042.html
Comment 4 David Jaša 2015-08-28 14:32:02 UTC 
Seems fixed in current builds
Comment 5 Sandro Bonazzola 2015-10-26 12:43:09 UTC 
this is an automated message. oVirt 3.6.0 RC3 has been released and GA is targeted to next week, Nov 4th 2015.
Please review this bug and if not a blocker, please postpone to a later release.
All bugs not postponed on GA release will be automatically re-targeted to

- 3.6.1 if severity >= high
- 4.0 if severity < high
Comment 6 Dmitry Fleytman 2015-11-25 07:22:18 UTC 
Fixed by patch series:

UsbDk backend for spice-gtk:
http://lists.freedesktop.org/archives/spice-devel/2015-October/022851.html

Making start/stop redirection asynchronous:
http://lists.freedesktop.org/archives/spice-devel/2015-October/022873.html
Comment 7 Yaniv Lavi 2015-12-22 16:14:46 UTC 
What is the status of this bug?
Comment 12 Dayle Parker 2016-03-01 00:41:01 UTC 
If this bug requires doc text for errata release, please provide draft text in the doc text field in the following format:

 Cause:
 Consequence:
 Fix:
 Result:
Comment 14 errata-xmlrpc 2016-03-09 20:09:11 UTC 
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.

https://rhn.redhat.com/errata/RHEA-2016-0377.html
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