Xoscope nuisance console messages on Pi4 running -current

[bob prohaska]

After a successful compile of audio/xoscope on a Pi4 running current a
stream of messages appeared on the console and in the security log
while xoscope was running:


+WARNING pid 26370 (xoscope): ioctl sign-extension ioctl ffffffffc0045006
+WARNING pid 26370 (xoscope): ioctl sign-extension ioctl ffffffffc0045005
+WARNING pid 26370 (xoscope): ioctl sign-extension ioctl ffffffffc0045002
+WARNING pid 26370 (xoscope): ioctl sign-extension ioctl ffffffffc0045006
+WARNING pid 26370 (xoscope): ioctl sign-extension ioctl ffffffffc0045005
+WARNING pid 26370 (xoscope): ioctl sign-extension ioctl ffffffffc0045002

They seem to come at a fairly high rate and clutter the logfiles, but 
apart from that nuisance nothing else seemed visibly amiss.

Are they of any significance?

Thanks for reading,

bob prohaska