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Reply To: [Solved] How to fix Compressor Batch Transcode Queue Stuck on ‘Waiting’ caused by Stale background Qmaster / Apple Qconsumer cluster lockfile on Mac Studio M1 Ultra
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Home › Forums › Logic Pro, Final Cut Pro & Pro Apps › [Solved] How to fix Compressor Batch Transcode Queue Stuck on ‘Waiting’ caused by Stale background Qmaster / Apple Qconsumer cluster lockfile on Mac Studio M1 Ultra › Reply To: [Solved] How to fix Compressor Batch Transcode Queue Stuck on ‘Waiting’ caused by Stale background Qmaster / Apple Qconsumer cluster lockfile on Mac Studio M1 Ultra
Liam O’ConnorTerminating orphaned qmaster processes and clearing compressor spool storage.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Force quit compressor daemons:
killall Compressor && killall qmasterd - Delete stale batch spool files:
rm -rf ~/Library/Application Support/Compressor/Storage/* - Relaunch Apple Compressor and submit batch job.
Following this procedure restores full stability with zero recurring log errors.