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Illegal instruction instant crash when opening .blend file on MacOS v2.9.2 (also crashing in v2.9.1, v2.9.0)
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Description

This crash happens every time I open any of my last 3 saved versions of the scene. I have loaded an older version of the scene which did open, worked on it more, saved it, and then re-encountered this problem. Present when running Catalina as well as Big Sur.

Process: Blender [13618]
Path: /Applications/Blender.app/Contents/MacOS/Blender
Identifier: org.blenderfoundation.blender
Version: 2.92.0 (2.92.0 2020-11-30)
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Blender [13618]
User ID: 501

Date/Time: 2020-12-01 15:52:39.452 -0800
OS Version: macOS 11.0.1 (20B50)
Report Version: 12
Bridge OS Version: 5.0.1 (18P2561)

Time Awake Since Boot: 420000 seconds

System Integrity Protection: enabled

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_CRASH (SIGILL)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY

Termination Signal: Illegal instruction: 4
Termination Reason: Namespace SIGNAL, Code 0x4
Terminating Process: Blender [13618]

[Majority of crash report removed, as requested]

Model: iMac20,2, BootROM 1554.50.3.0.0 (iBridge: 18.16.12561.0.0,0), 10 processors, 10-Core Intel Core i9, 3.6 GHz, 72 GB, SMC
Graphics: kHW_AMDRadeonPro5700XTItem, AMD Radeon Pro 5700 XT, spdisplays_pcie_device, 16 GB
Memory Module: Slot 1 (Channel A / DIMM 1), 32 GB, DDR4, 2133 MHz, 859B, CT32G4SFD8266.C16FB
Memory Module: Slot 2 (Channel A / DIMM 0), 4 GB, DDR4, 2133 MHz, Micron, 4ATF51264HZ-2G6E3
Memory Module: Slot 3 (Channel B / DIMM 1), 32 GB, DDR4, 2133 MHz, 859B, CT32G4SFD8266.C16FB
Memory Module: Slot 4 (Channel B / DIMM 0), 4 GB, DDR4, 2133 MHz, Micron, 4ATF51264HZ-2G6E3
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x7BF), wl0: Sep 11 2020 17:01:15 version 9.30.440.2.32.5.61 FWID 01-1d69e4b4
Bluetooth: Version 8.0.1f5, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
USB Device: USB 3.1 Bus
USB Device: 2.4G Wireless Mouse
USB Device: Magic Keyboard with Numeric Keypad
USB Device: Huion Tablet_HS610
USB Device: Apple T2 Bus
USB Device: Headset
USB Device: Ambient Light Sensor
USB Device: FaceTime HD Camera (Built-in)
USB Device: Apple T2 Controller
Thunderbolt Bus: iMac, Apple Inc., 58.2

Related Objects

Event Timeline

Please remove the crash report from the description, you can attach it as a file if you want. But crash report is not very helpful in this case.
It would be great if you could attach a file and describe what you were doing before this file stopped opening. We need steps to reproduce the problem.

I didn't attach the file because it's ~400MB, but I can upload it and link to it if that is helpful.

Richard Antalik (ISS) changed the task status from Needs Triage to Needs Information from User.Dec 8 2020, 6:39 AM

@Allan (fityfive) if you can open file in older versions, please simplify it by removing opbects that don't cause crash.

No activity for more than a week. As per the tracker policy we assume the issue is gone and can be closed.

Thanks again for the report. If the problem persists please open a new report with the required information.