I've noticed Spotify fails to start properly if my system's inotify watch limit has been exhausted. It just sits there, presumably trying to get a notifier, maxing out a single core and printing this to stdout:
... 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.214 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: 13:17:04.215 A [file_system_monitor_linux.cpp:99] Check failed: errno == EINTR: ...
Looks like this is probably related http://community.spotify.com/t5/Help-Desktop-Linux-Mac-and/Spotify-wont-start-FileSystemMonitorLinux...
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