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markophoto2013
Known Participant
May 16, 2018
Answered

Constant Kernel Panic

  • May 16, 2018
  • 2 replies
  • 5356 views

I'm running Lightroom CC and Photoshop CC and it's become a constant problem where when I am saving a photo in Photoshop with Lightroom open as well, the computer will experience a kernel panic and shut down.  The report seems to indicate that it is Lightroom that is causing the problem.  I'm running 10.12.5 on a 2017 iMac. Here is a look at the report.  Thanks in advance for any help.

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    Correct answer Jao vdL

    Turning off the GPU will have no influence on this. On Macs that just isn't an issue and it definitely won't cause kernel panics. Kernel panics like you are seeing here are due to hardware issues or to some really deep lying software problems. From the kernel trace above iI would HIGHLY suspect the Symantec antivirus software you have loaded that is causing your crashes. You might want to get rid of that or make sure it is at the most recent version. Antivirus software in many cases is worse than what it attempts to cure.

    2 replies

    J
    Community Expert
    Jao vdLCommunity ExpertCorrect answer
    Community Expert
    May 25, 2018

    Turning off the GPU will have no influence on this. On Macs that just isn't an issue and it definitely won't cause kernel panics. Kernel panics like you are seeing here are due to hardware issues or to some really deep lying software problems. From the kernel trace above iI would HIGHLY suspect the Symantec antivirus software you have loaded that is causing your crashes. You might want to get rid of that or make sure it is at the most recent version. Antivirus software in many cases is worse than what it attempts to cure.

      M
      markophoto2013Author
      Known Participant
      May 31, 2018

      Thanks for your input.  I'll try uninstalling Symantec.  I don't know how to read these panic reports but did you also see the line towards the top mentioning Lighroom?

      J
      Community Expert
      Jao vdLCommunity Expert
      Community Expert
      May 31, 2018

      Yes, that just means the main process running was Lightroom. Doesn't necessarily mean that that is what crashed the computer but could be a routine that it called. The possible cause indicated is rather unhelpful. Mutexes and spins are all over multithreaded programming. A mutex is an access "semaphore" that makes sure that regions of memory or files do not get written to by two threads at once. As you might imagine that is rather a generic thing so the trace doesn't tell us much. It dis show me you were using symantec AV software which is well known to cause kernel panics as it embeds itself in the kernel as a gatekeeper to all file access. Applications like Lightroom very strongly stresses such AV software because they do a lot of file access (to the catalog file, preview databases, etc.) and can expose bugs in the AV code easily that other software doesn't often show. Don't know if this is the issue but something worthwhile to try.

      Akash Sharma
      Akash Sharma
      Legend
      May 16, 2018

      Hi markophoto2013,

      Sorry about the system shutdown and kernel based error you're getting while exporting/saving images from Lightroom and Photoshop.

      Could you please check if the issue persists if you uncheck "use graphics processor" under Preferences> Performance menu in Lightroom?

      Lightroom GPU troubleshooting

      Also, which exact version of Photoshop and Lightroom are you using?

      Regards,

      Akash

      M
      markophoto2013Author
      Known Participant
      May 16, 2018

      I've unchecked the graphics processor box and will see how it does.  Also I'm using PS CC 2017.1.1 and LR CC 2015.12.  I recently updated LR when this problem occurred but it didn't help.

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