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lastfm / lastfm-desktop

The official Last.fm desktop application suite
http://www.last.fm
GNU General Public License v3.0
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Last.fm client constantly scans Wi-Fi networks #47

Open mrvacbob opened 10 years ago

mrvacbob commented 10 years ago

Running the Last.fm app 2.1.36 on OS X, with "fingerprint my tracks" unchecked, I see it asking for the current wifi network every minute.

4/15/14 7:39:50.000 PM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'Last.fm Scrobble' (pid 1679).
4/15/14 7:40:00.000 PM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'Last.fm Scrobble' (pid 1679) ().
4/15/14 7:40:00.000 PM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'Last.fm Scrobble' (pid 1679).
4/15/14 7:40:10.000 PM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'Last.fm Scrobble' (pid 1679) ().
4/15/14 7:40:13.000 PM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'Last.fm Scrobble' (pid 1679).

This could be a serious battery drain issue - "sudo systemstats -J today" for me shows Last.fm causing the most CPU wakeups behind only kernel processes.

OS X's battery menu list of power draining apps only shows apps with dock icons, so I wouldn't see this show up without looking.

weinberz commented 10 years ago

+1. I've noticed the same behavior. This has been consistent since at least OS X 10.8.0, but I am currently experiencing this on OS X 10.9.3.

raphaelyancey commented 9 years ago

+1. Running on OS X 10.9.4.

HenkPoley commented 9 years ago

Also seems to give intermittent WiFi performance problems, every minute..

borkdude commented 7 years ago

+1. Running on 10.11.6.

mvmn commented 6 years ago

Same for me on macOS 10.13.4 - except I get WiFi lag every 10-12 seconds when Last.fm app (v2.1.36 downloaded from last.fm site) is running. Quitting it fixes the issue.

P.S. Console shows locationd activity.

anamewing commented 3 years ago

This issue still exists in Lastfm app 2.1.39 and macos 10.15.6. Pretty annoying since the wifi latency suddenly jumps every 10 seconds.