How do I find out what software and a reason for the crash. It happened for the fourth time in a week. I do have the crash report that asked me to submit to Apple, but I did not.
Thanks.
iMac 27", macOS 10.13
Two Macs are Almost identical.
Remains the hardware issue, and that is a tough one. I ran disc utility, and the HD appears fine.
Thanks for your support.
Two Macs are Almost identical.
Remains the hardware issue, and that is a tough one. I ran disc utility, and the HD appears fine.
Thanks for your support.
Posting the crash log would be helpful, yes.
Run Diagnostics, too.
I see a firewall package, a system cleaner, and some older software; Microsoft Office is old, as is FUSE.
Flash and Java and Silverlight may well be unnecessary.
Something has been modifying the /etc/hosts file, too.
Recovering from a cleaner can end up requiring a reinstall.
I have this iMac, for 3 years and never ever I have had any crashes. The Microsoft outlook , I am using only the Word.
What does it mean "Recovering from a cleaner can end up requiring a reinstall."
Here is the crash log:
The crash will show data, but that data may or may not reference a culprit.
Hardware failures can cause all sorts of software to crash.
Ensure you have current and complete backups.
Download and run EtreCheck and then open a new reply here and then press the button that looks like a printed page to get a text input box large enough to paste the hardware and software configuration report here.
Apps such as add-on anti-malware, add-on anti-virus, and add-on cleaners can cause issues. As can failing hardware.
I’d remove techsmith, Perfect, hzsystems, Cycling74, and LittleSnitch per the vendors’ instructions, and I’d simplify the external USB at least temporarily.
Cleaner apps have a history of causing odd corruptions and crashes. Resolving those is usually a re-install, when something goes weird. And add-on cleaners, add-on anti-malware apps, add-on anti-virus apps and similar such have a long history of causing weird.
Mr.Hofman thanks for your support. I don't think removing suggested drivers, would help, as they are tested by my second iMack that is 4 years old and the same High Sierra. Not one crash in 5 years.
But, I have another question. My computer crashed when I ttried to use 1 or two legacy applications. One was DVD movie extractor 2011 release, by MacX DVD. I tried to adjust the settings and after a a few seconds it crashed. Coulkd it be this is the problem? Very weird, as normally a message wouyld pop up, that the program is incompatible.
Thanks.
If you want to try the path you’re on, you’ll get to swap out each app and try it.
The apps I’ve mentioned have kernel extensions or other aspects that can make crashes more likely.
Working on another Mac is interesting, but centrally if it’s the same configuration, version, and hardware.
Easier—though it doesn’t seem so from the onset—is to wipe and reload current apps, and those that are needed.
Old apps and old macOS itself can have latent issues, and a reinstallation usually resolves those cases.
Though if this crash is hardware, that’ll be headed for a repair.
There are many sorts of hardware errors.
Bad memory and bad storage and bad processors can show whole ranges of weird.
You have never met 2 identical machines now you did. I purchased them one year apart, with the same configuration. I cloned one to the other, using super duper. Now I a switched to CCC on the main Mac.
When you do video production work, you can not afford a computer failure in the middle of the project. Plus anytime I get new plugin or a new software, I always test in on one of the machines and then instal onto the main one.
I could use the clone drive to run the video programs in case of failure, but tooooo slow.
and maybe you are correct there could be some differences. That’s why one of them crashed a few times.
panic(cpu 1 caller 0xffffff8010cba220): "a freed zone element has been modified in zone kalloc.32:
expected 0xdeadbeefdeadbeef
but found 0xffffff80596ff7e0,
bits changed 0x2152416f87c2490f,
at offset 16 of 32
in element 0xffffff8061a823e0
The above is a classic 3rd party kernel extension panic.
You have the following 3rd party kernel extensions. Pick 1, pick them all. But at least one of these guys is responsible for your kernel panics
com.techsmith.TACC 1.0.2
com.Perfect.Driver.SystemAudioRecorder 1.0.0
com.hzsystems.terminus.driver 4
com.Cycling74.driver.Soundflower 1.6.7
at.obdev.nke.LittleSnitch 4740
it does not matter if you have identical systems. They are not operated in lock step, so they do different things, at different times, have different amounts of RAM being used, cause different bits of software to run at different time, and with different interactions between the software.
One of those kernel extensions is your problem.
The only other bit of information I can get from the panic report is that it happened in the I/O stack, but I do not know if it was file system or network I/O, so that leaves a broad area that could be the cause.
Every time macOS gets a kernel update, they change where things are stored in the kernel, they change the layout of data structures, they change the rules for accessing some data structures.
A kernel extension that does not use approved kernel programming interfaces, which remain stable, can get its fingers burned, and you get to have a kernel panic.
Unless the 3rd party kernel extension is only using approved kernel programming interfaces, or they quickly update their extension and make you aware that it needs to be updated when you get a new kernel, then they are standing still in the middle of an 8 lane highway. They are eventually going to get run-over.
Here is the Etrecheck report I uploaded as an additional text, because Apple does not allow more than 5,000 characters as you all know, but I did not. Do I need to show the Apple Crash log?
We need to see your crash report to help you solve your question. Paste it in a little text box like this:
When you click that:
Then, click add text.
I’ve never met two Macs that were identical.
A few might even start out that way with the now-deprecated imaging, but all diverge.
And keep backups current, should the hardware fail.
Thanks a lot Bob. I will try to remove one driver at the time. But what puzzles me that in 2,5 years not once I had a crash.
Computer Crash Unexpectadly, have a report
