I have tested with the following kernel:
Linux computer4 4.4.0-040400rc7-generic #201512272230 SMP Mon Dec 28
03:32:16 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
The behaviour is the same as with Linux computer4 3.13.0-74-generic
#118-Ubuntu SMP Thu Dec 17 22:52:10 UTC 2015 x86_64 x86_64 x86_64
GNU/Linux
This means the problem persists.
Relevant lines from the syslog with the rc kernel:
Jan 4 19:14:57 computer4 kernel: [ 219.001128] usb 3-1: reset high-speed USB
device number 2 using xhci_hcd
Jan 4 19:17:01 computer4 CRON[2640]: (root) CMD ( cd / && run-parts --report
/etc/cron.hourly)
Jan 4 19:27:38 computer4 dbus[868]: [system] Activating service
name='org.freedesktop.hostname1' (using servicehelper)
Jan 4 19:27:38 computer4 dbus[868]: [system] Successfully activated service
'org.freedesktop.hostname1'
Jan 4 19:29:10 computer4 kernel: [ 1071.599601] usb 3-1: reset high-speed USB
device number 2 using xhci_hcd
More precise description of the problem (for both the distribution
kernel and 4.4.0-rc7):
If I start the CD player application with no disc inserted, it does not
hang. But when I then insert a disc, it hangs for approximately 30
seconds and the disc is not detected at all.
If I start the CD player application with the same disc inserted, it
hangs for approximately 30 seconds and then the disc is detected.
Once the disc has been detected it can be played normally by the CD
player application.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1529077
Title:
USB device resets since kernel version 3.13.0-73-generic #116-Ubuntu
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