pion
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What is the Unknown (0) process with 232 threads on my iPhone?
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13 votes

pid 0 is always kernel_task in xnu. Further corroborated by being owned by root and having a lot of threads. It’s a synthetic process structure that represents the kernel. It isn’t malware.

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My MacBook's battery drains when I don't use it
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10 votes

It looks like you initiated sleep last night around 20:21. 2021-07-20 20:21:47 +0300 Sleep Entering Sleep state due to 'Software Sleep pid=133':TCPKeepAlive=active Using Batt (...

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Is there a way to prevent my Mac from sleeping during a file copy?
9 votes

If you always remain on AC power during the copy and your above Energy Saver settings are indeed accurate, then I can think of no reason why your system would enter idle sleep unless there is some ...

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Missing around 20 GB of Space on MacBook
8 votes

Let's take a closer look at your GUID Partition Table (GPT): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *251.0 ...

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How do I put individual Mac applications into sleep mode?
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8 votes

You shouldn't need to do this on a well-behaved system. If you have specific issues with certain apps, please post separate questions for each of them so that we can find targeted ways of getting them ...

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Where is kernel_task?
5 votes

The process name kernel_task is artificially set by the xnu kernel itself during initialization (see bsd_init()) as a way to represent the kernel's threads to users and other processes within the BSD ...

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What is morphunassetsupdaterd?
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5 votes

Just by inspecting the plaintext strings in the binary, it's easy to tell that morphunassetsupdaterd is a daemon that is used by Siri to download updates to language assets, or morphuns (according to ...

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Should I enter this command in Terminal?
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5 votes

Breakdown of this command: sudo xattr -rd com.apple.quarantine /path/to/app/location sudo: Execute the remainder of the command with superuser (root) privileges. More information: man sudo xattr: ...

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Does Mac really not have keyboard shortcuts to jump to start/end of a document?
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5 votes

For moving the insertion point to the beginning or end of a document and scrolling it into view: ⌘↑ or ⌘↓. For scrolling to the beginning or end of a document without moving the insertion point: ...

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Safe to delete old "Macintosh HD - Data" partition?
5 votes

It’s important to be certain that you’re deleting the correct data volume since they’re named identically: In Terminal run the following command: diskutil apfs listVolumeGroups. Find the volume group ...

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Upgrading MacBook Pro mid-2009 RAM
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5 votes

3 beeps + 5s pause means your memory failed training. There are a LOT of reasons this happens. Let’s consider the most common. First, let’s make sure your system supports 8 GB. According to Apple, the ...

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How to interpret / diagnose pdftk error message
4 votes

tl;dr: App Translocation. The Bates Label solution that you linked was written for macOS 10.7-10.8. In macOS 10.12 Apple began restricting non-Mac App Store apps from running unsigned code. Instead, ...

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lives vs lives: how can I correct the pronunciation of the 'say' command?
4 votes

This may not be the elegant solution that you are wanting, but the macOS Speech Manager has speech tuning capabilities built in. You can use them by adding inline modifiers to your text. For example, ...

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Mac mini fan never surpasses 7%, even while stress testing
4 votes

What the OP has effectively demonstrated is that Apple's extensive efforts and expenditure towards building out a thermal management solution that covers the entire performance envelope have been ...

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Is it possible to detect the current power input on a MacBook?
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4 votes

There is a straightforward way to determine instantaneous* battery charging current, assuming you have developer tools installed: ioreg -rw0 -c AppleSmartBattery | grep -o -e '"ChargingCurrent&...

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Late 2013 iMac: help with troubleshooting intermittent crashing problem
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4 votes

Let’s skip Console.app and check the source. Open /Library/Logs/DiagnosticReports and order the contents by descending date. Check for any reports around the time of your crashes. You want to look fro ...

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2 Months old MacBook Pro (Mid 2020) battery only last for 4 hours
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4 votes

You’re using Chrome. That is a known energy hog on macOS. You can observe this yourself by keeping Activity Monitor (/Applications/Utilities) open to the Energy tab while you’re working. Long battery ...

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High kernel_task CPU usage problem
3 votes

Since there is no clear hint as to what's causing kernel_task to use >200% CPU at boot, we need to start at first principles and examine what the kernel is doing. The way to do this is by ...

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Battery turned off even if it has life
3 votes

From my answer to Apple battery issue or something else? : As lithium-ion batteries age and their cycle count increases, their maximum storage capacity decreases and their internal resistance ...

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When my computer boots or restarts, I see ghosts!
3 votes

Without seeing a photo or video of the phenomenon you're describing, two possibilities come to mind: You may be seeing LCD image persistence, or "burn in", which is a parasitic behavior in ...

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Apple battery issue or something else?
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3 votes

As lithium-ion batteries age and their cycle count increases, their maximum storage capacity decreases due to the deposition of electrolytic contaminants and microscopic mechanical breakdown. A Li-ion'...

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Mac book pro 2020, after water spill, OS keep restarting with the following error
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3 votes

dfrd is the Dynamic Function Row Daemon, i.e., the piece of software that talks to the Touch Bar. The fact that your panic signature indicates that dfrd has not sent an "I'm alive!" message ...

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WindowServer high CPU usage, spikes when moving cursor on M1 MacBook Big Sur
3 votes

Big Sur has many known issues related to UI performance. It’s almost certain that you’re experiencing one of these bugs, and so you’re unlikely to be able to do much about it yourself. We can try to ...

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Conditionally run program using Rosetta 2 on M1 Mac
3 votes

You can use the arch command to force a preferred slice loading order for universal binaries. In your particular case, you would first make sure to Get Info on Xcode and uncheck the "Open using ...

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How to make two internal SSD drives work best on a Mac
3 votes

I haven't tried this myself but you should be able to create an APFS volume group from your two drives to effectively create one "Fusion" drive. You would use sudo diskutil apfs create or ...

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"Command not found" lines on terminal startup
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3 votes

There are a couple of things wrong in your ~/.zprofile: You have hard-wrapped (i.e., inserted newline characters inside) the alias lines, causing bin to start its own separate line. You need to keep ...

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Can a Mac enter sleep mode on schedule when a third party app tries to prevent sleep?
3 votes

No. Power manager assertions can be artificially created (e.g., via caffeinate) but they can’t be removed except by the app itself. You can, at least, view the current assertions via pmset -g ...

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Why does Mail.app take three minutes plus to open?
3 votes

Let’s see what Mail is doing: Run the following Terminal command to enable kernel symbolication: $ sudo nvram boot-args="keepsyms=1" Reboot your machine and don’t open any apps except for ...

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My MacBook Pro doesn't sleep when lid closed
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3 votes

This is expected behavior and it’s called clamshell mode. With an external display and mouse/keyboard, closing your laptop lid allows you to continue working on the external devices. The momentary ...

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Stop "your system has run out of application memory" pop up
Accepted answer
2 votes

This happens when your boot volume is almost completely full and your current workload has overflowed your physical memory, causing some of it to get swapped out to disk. This is a dangerous condition ...

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