Jason, I’ve had the same problem for many years with my Late 2008 MacPro.
Sometimes it absolutely refuses to go to sleep, either automatically or by selecting the sleep option manually (I prefer to hold down Option + Command + Eject), and the only way to stop it churning away is shut it down. even when I log out of all accounts. At other times it behaves itself. A real mystery. I gave up trying to fix it some years ago. Having waited years for the replacement MacPro I was aghast at the cost of the new machine and have now bought a maxed out MacMini (except for SSD which are silly prices once you get above 1TB). My current challenge is trying to work out how to connect my old Apple monitors (either DVI or mini DVI connectors) to the new MacMini. Looks like I need to buy a Media Hub. Paul Owen > On 10 Jul 2019, at 21:37, 'Jason Davies' via Sussex Mac User Group > <smug@googlegroups.com> wrote: > > Hi smuggers > > My venerable Mac Pro (2010) refuses to sleep even when I set it to va the > menu, never mind the settings in Energy Saver. I've looked at what is > Preventing Sleep in Activity Monitor and run pmset -g assertions in Terminal > (which I got from the web). It returns this (see below). > > Can anyone help me work this out? Firstly it lists all USB devices (are they > really all telling the Mac to be awake? I'd have thought this was latent). It > says one external media is active but I tried ejecting them all and it still > wouldn't sleep. The NetworkClient seems to be something to do with IP > scheduling (cups). The Photos Agent isn't always in the list so I'm > discounting that. > > Any ideas? It's getting a bit ridiculous as the room is warm enough and I > don't like leaving it on 24/7. > > Thanks > J > > Terminal output follows. > > Assertion status system-wide: > BackgroundTask 1 > ApplePushServiceTask 0 > UserIsActive 1 > PreventUserIdleDisplaySleep 0 > PreventSystemSleep 0 > ExternalMedia 1 > PreventUserIdleSystemSleep 0 > NetworkClientActive 1 > Listed by owning process: > pid 874(cloudphotosd): [0x0000a39a000ba78d] 00:02:01 BackgroundTask named: > "com.apple.cloudphotosd.darkwake.sync" > Details: cloudphotosd darkwake power assertion for initial and large > iCPL downloads/uploads > Timeout will fire in 1678 secs Action=TimeoutActionTurnOff > pid 135(hidd): [0x0000a3b20009a796] 00:00:00 UserIsActive named: > "com.apple.iohideventsystem.queue.tickle.4294968240.3" > Timeout will fire in 60 secs Action=TimeoutActionRelease > pid 296(cupsd): [0x0000006900118191] 11:38:20 NetworkClientActive named: > "org.cups.cupsd" > pid 85(powerd): [0x0000000500088002] 11:40:00 ExternalMedia named: > "com.apple.powermanagement.externalmediamounted" > Kernel Assertions: 0x10c=USB,BT-HID,MAGICWAKE > id=500 level=255 0x4=USB mod=1970-01-01, 01:00 > description=com.apple.usb.externaldevice.fd300000 owner=IOUSBHostDevice > id=503 level=255 0x4=USB mod=1970-01-01, 01:00 > description=com.apple.usb.externaldevice.fd310000 owner=My Passport 07B8 > id=504 level=255 0x4=USB mod=1970-01-01, 01:00 > description=com.apple.usb.externaldevice.fd330000 owner=G-Drive Mobile USB > id=505 level=255 0x4=USB mod=1970-01-01, 01:00 > description=com.apple.usb.externaldevice.fd340000 owner=VXI USB 7.02 > id=506 level=255 0x4=USB mod=1970-01-01, 01:00 > description=com.apple.usb.externaldevice.fd350000 owner=CANON DR-2010C > id=507 level=255 0x4=USB mod=1970-01-01, 01:00 > description=com.apple.usb.externaldevice.3a200000 owner=Jabra EVOLVE LINK > id=508 level=255 0x4=USB mod=1970-01-01, 01:00 > description=com.apple.usb.externaldevice.1a200000 owner=PS2 to USB Converter > id=510 level=255 0x4=USB mod=1970-01-01, 01:00 > description=com.apple.usb.externaldevice.00200000 owner=IOUSBHostDevice > id=514 level=255 0x100=MAGICWAKE mod=1970-01-01, 01:00 description=en0 > owner=en0 > id=515 level=255 0x8=BT-HID mod=1970-01-01, 01:00 > description=com.apple.driver.IOBluetoothHIDDriver owner=BNBTrackpadDevice > Idle sleep preventers: IODisplayWrangler > > -- > You received this message because you are subscribed to the Google Groups > "Sussex Mac User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to smug+unsubscr...@googlegroups.com. > To post to this group, send an email to smug@googlegroups.com. > Visit this group at https://groups.google.com/group/smug. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/smug/A84CB451-915D-4B46-AF84-5A5C6ECAD748%40me.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Sussex Mac User Group" group. 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