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This task has now been running for a month now, when will it stop.
Just upgraded to MacOS 10.15.2 in hope that it would stop running. 😕
It prevents my iMac to go to sleep automatic.
iMac with Retina 5K display, macOS 10.15
I have a iMac 5K late 2014 born with fusion drive.
Ouch, it's really bad then....
I tested with safe mode and same problem, wbc_drain is still there.
By the way, back to normal mode the task wbc_drain task is reported every 15 minutes exactly in psmet -g log.
I re-installed Catalina from the Recovery Mode but no luck. The wbc_drain remains in background and prevents the System to suspend :(.
Two options now:
1. Apple provides a fix
2. Back to Mojave
Nice, it did kill the drain process but made a new: IODisplayWrangler which prevent my mac to sleep. 😩
Reboot does not get the ...drain process back.
My 'beloved' "com.Apple.apfsd.wbc_drain" is back again after another reboot.
Let's hope that Apple will fix it soon, otherwise 😩🤯👹
I got other issues on Catalina which is too buggy for me. Finally I moved back to Mojave. I will wait for Apple to fix all the bugs or will stay on Mojave. No more wbc_drain :).
I have the same problem: my imac 5k 2017 with catalina does not go to sleep by itself ... Has anyone managed to solve?
I don't think so. 😩
Just hoping that it is fixed in the 10.15.3 update, but I would not be surprised if it isn't. Apple don't care much about bugs as they has been.
But a restart brings it back.
It would be enough to create
a script that starts when you
log in
I can't do it but if someone
could do it by entering this
command, we would have solved
the problem ...
10.15.3 has been released, I checked in the system preference menu.
Did you try it? Is the bug till present in 10.15.3?
I am back on Mojave and don't want to update to Catalina till it's fixed.
The bug is still there. 😈😩
I tried to generate a plist but the sleep preventing process starts long after boot, so I am not sure what the right approach is.
I would want to automate it, though...
com.apple.apfsd.wbc_drain
