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brosenz

macrumors 6502
Original poster
Apr 26, 2011
347
90
After installing Sierra Beta 3 on my MacBook Pro 15" (mid-2015) with GPU the device will self-reboot almost daily one or two times while sleeping, it is very annoying, I did not have this problem with Beta 1 or 2, I think it was introduced on Beta 3. My installation is fresh not an upgrade, any feedback on potential root cause or just wait until Beta 4? As a side note I have a MacBook 12 (2016) with the exact same configuration and applications installed and the problem is NOT there, so it seems is only related to the HW in the MBP 15.
 
What does the crash log show in console for the presumed kernel crash?

I've had similar in PB2 with usb mass storage issue with SD card I think.
 
Attached is the Crash Log
 

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  • Screen Shot 2016-07-28 at 07.33.40.png
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This is the Carsh report I get 1 or 2 times every single day while sleeping
 

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  • Screen Shot 2016-07-28 at 17.55.46.png
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Yep, looks like another USB mass storage crash similar to mine. Report it. I've done so.
 
@brosenz if you do the following, subsequent .panic files will contain more human-readable information.

1) In Terminal, run the following command:

sudo nvram boot-args="keepsyms=y"

2) restart the Mac.

That command stores a useful boot argument in NVRAM. When you no longer wish to benefit from that stuff, reset NVRAM.
 
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