Comment # 13 on bug 1188767 from Takashi Iwai

Thanks!  Then the culprit is the commit
7dd753ca59d6c8cc09aa1ed24f7657524803c7f3
    scsi: sr: Return appropriate error code when disk is ejected

It seems that a bogus media event is emitted at suspend resume and now it
issues a disk eject request due to that.

Something for the storage people.  Reassigned.