QEMU

  1. Bug #1077708
  2. Comment #1

Comment 1 for bug 1077708

Revision history for this message
Tristan Schmelcher (tschmelcher) wrote :

The problem also occurs with the generic Microsoft webcam drivers.

Note that, during webcam use, these messages are output from QEMU sporadically:

USBDEVFS_DISCARDURB: Invalid argument
USBDEVFS_DISCARDURB: Invalid argument
husb: leaking iso urbs because of discard failure
USBDEVFS_DISCARDURB: Invalid argument
USBDEVFS_DISCARDURB: Invalid argument
husb: leaking iso urbs because of discard failure
USBDEVFS_DISCARDURB: Invalid argument
USBDEVFS_DISCARDURB: Invalid argument
husb: leaking iso urbs because of discard failure
USBDEVFS_DISCARDURB: Invalid argument
USBDEVFS_DISCARDURB: Invalid argument
USBDEVFS_DISCARDURB: Invalid argument
husb: leaking iso urbs because of discard failure

However, the timing of the messages is completely uncorrelated with the video freezes, so I am uncertain as to whether they are related or not.