Yes, it looks like bug 307492 describes the same problem as this one.
FYI, the specific stations that I've had problems with were:
http://smoothlounge.com/streams/smoothlounge_128.pls
http://smoothlounge.com/streams/smoothlounge_64.pls
These stations appear to be run by the same folks that run
sm
Please reopen this bug!
Many Internet radio stations change servers frequently, and the the only
way to get an updated server list is to download an m3u or .pls file.
When I want to listen to internet radio, it's a real pain to have to
download a playlist file, open it up in a text editor, and cha
