Improve error handling for incorrect model folder

[StupiDeity]

Running Latest Version

• I am running the latest version

Processor

M1 Max (or later)

Intel processor

No response

Memory

32GB

What happened?

1. Install MochiDiffusion from homebrew
2. Install a model in ~/Documents/MochiDiffusion/models from huggingface, e.g. https://huggingface.co/coreml/coreml-stable-diffusion-2-1-base
3. Open MochiDiffusion
4. In the Model dropdown select the coreml-stable-diffusion-2-1-base
5. MochiDiffusion crashes

Tried with other models as well, but doesn't work.

Crash Log

-------------------------------------
Translated Report (Full Report Below)
-------------------------------------

Process:               Mochi Diffusion [73176]
Path:                  /Applications/Mochi Diffusion.app/Contents/MacOS/Mochi Diffusion
Identifier:            com.joshua-park.Mochi-Diffusion
Version:               2.4 (2.4)
Code Type:             ARM-64 (Native)
Parent Process:        launchd [1]
User ID:               501

Date/Time:             2023-02-21 16:27:23.6695 +0530
OS Version:            macOS 13.2.1 (22D68)
Report Version:        12
Anonymous UUID:        4212A49C-4C70-A1E6-BE96-EAF405E78762


Time Awake Since Boot: 560000 seconds

System Integrity Protection: enabled

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

Exception Type:        EXC_BREAKPOINT (SIGTRAP)
Exception Codes:       0x0000000000000001, 0x00000001003a950c

Termination Reason:    Namespace SIGNAL, Code 5 Trace/BPT trap: 5
Terminating Process:   exc handler [73176]

Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   Mochi Diffusion               	       0x1003a950c 0x10038c000 + 120076
1   Mochi Diffusion               	       0x1003a9148 0x10038c000 + 119112
2   Mochi Diffusion               	       0x1003a8e6c 0x10038c000 + 118380
3   SwiftUI                       	       0x1b162672c 0x1b0a97000 + 12121900
4   SwiftUI                       	       0x1b1626b54 0x1b0a97000 + 12122964
5   SwiftUI                       	       0x1b1b08cac 0x1b0a97000 + 17243308
6   SwiftUI                       	       0x1b1b09074 0x1b0a97000 + 17244276
7   SwiftUI                       	       0x1b1dff070 0x1b0a97000 + 20349040
8   SwiftUI                       	       0x1b1dff098 0x1b0a97000 + 20349080
9   SwiftUI                       	       0x1b19ab618 0x1b0a97000 + 15812120
10  SwiftUI                       	       0x1b1dfecd8 0x1b0a97000 + 20348120
11  SwiftUI                       	       0x1b19477c4 0x1b0a97000 + 15402948
12  SwiftUI                       	       0x1b1947588 0x1b0a97000 + 15402376
13  SwiftUI                       	       0x1b1dfeaf8 0x1b0a97000 + 20347640
14  SwiftUI                       	       0x1b1466c84 0x1b0a97000 + 10288260
15  AttributeGraph                	       0x1b23254b8 AG::Graph::UpdateStack::update() + 520
16  AttributeGraph                	       0x1b2325c38 AG::Graph::update_attribute(AG::data::ptr<AG::Node>, unsigned int) + 424
17  AttributeGraph                	       0x1b232db9c AG::Graph::value_ref(AG::AttributeID, AGSwiftMetadata const*, unsigned char&) + 192
18  AttributeGraph                	       0x1b2345764 AGGraphGetValue + 284
19  SwiftUI                       	       0x1b1ee4d68 0x1b0a97000 + 21290344
20  SwiftUI                       	       0x1b1588988 0x1b0a97000 + 11475336
21  SwiftUI                       	       0x1b15885dc 0x1b0a97000 + 11474396
22  SwiftUI                       	       0x1b12593c4 0x1b0a97000 + 8135620
23  SwiftUI                       	       0x1b12591ec 0x1b0a97000 + 8135148
24  SwiftUI                       	       0x1b1ee52e0 0x1b0a97000 + 21291744
25  SwiftUI                       	       0x1b1ee6828 0x1b0a97000 + 21297192
26  SwiftUI                       	       0x1b1259464 0x1b0a97000 + 8135780
27  SwiftUI                       	       0x1b1ee67f0 0x1b0a97000 + 21297136
28  SwiftUI                       	       0x1b1ee66dc 0x1b0a97000 + 21296860
29  SwiftUI                       	       0x1b1614a14 0x1b0a97000 + 12048916
30  SwiftUI                       	       0x1b1d558b0 0x1b0a97000 + 19654832
31  SwiftUI                       	       0x1b1d587b8 0x1b0a97000 + 19666872
32  SwiftUI                       	       0x1b1d58810 0x1b0a97000 + 19666960
33  CoreFoundation                	       0x189ef0db8 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 36
34  CoreFoundation                	       0x189ef0ca4 __CFRunLoopDoObservers + 532
35  CoreFoundation                	       0x189eef8d4 CFRunLoopRunSpecific + 704
36  HIToolbox                     	       0x1935cffa0 RunCurrentEventLoopInMode + 292
37  HIToolbox                     	       0x1935cfde4 ReceiveNextEventCommon + 672
38  HIToolbox                     	       0x1935cfb2c _BlockUntilNextEventMatchingListInModeWithFilter + 72
39  AppKit                        	       0x18d17584c _DPSNextEvent + 632
40  AppKit                        	       0x18d1749dc -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 728
41  AppKit                        	       0x18d168e0c -[NSApplication run] + 464
42  AppKit                        	       0x18d140250 NSApplicationMain + 880
43  SwiftUI                       	       0x1b0b4341c 0x1b0a97000 + 705564
44  SwiftUI                       	       0x1b1cf8f4c 0x1b0a97000 + 19275596
45  SwiftUI                       	       0x1b151caa0 0x1b0a97000 + 11033248
46  Mochi Diffusion               	       0x100391d00 0x10038c000 + 23808
47  dyld                          	       0x189ae7e50 start + 2544

Thread 1:: com.apple.NSEventThread
0   libsystem_kernel.dylib        	       0x189dd2050 mach_msg2_trap + 8
1   libsystem_kernel.dylib        	       0x189de411c mach_msg2_internal + 80
2   libsystem_kernel.dylib        	       0x189ddac24 mach_msg_overwrite + 452
3   libsystem_kernel.dylib        	       0x189dd23cc mach_msg + 24
4   CoreFoundation                	       0x189ef1bb0 __CFRunLoopServiceMachPort + 160
5   CoreFoundation                	       0x189ef049c __CFRunLoopRun + 1232
6   CoreFoundation                	       0x189eef878 CFRunLoopRunSpecific + 612
7   AppKit                        	       0x18d2a019c _NSEventThread + 172
8   libsystem_pthread.dylib       	       0x189e1206c _pthread_start + 148
9   libsystem_pthread.dylib       	       0x189e0ce2c thread_start + 8

Thread 2:
0   libsystem_pthread.dylib       	       0x189e0ce18 start_wqthread + 0

Thread 3:
0   libsystem_pthread.dylib       	       0x189e0ce18 start_wqthread + 0

Thread 4:
0   libsystem_pthread.dylib       	       0x189e0ce18 start_wqthread + 0

Thread 5:
0   libsystem_pthread.dylib       	       0x189e0ce18 start_wqthread + 0

Thread 6::  Dispatch queue: com.apple.root.user-interactive-qos
0   libsystem_kernel.dylib        	       0x189dd2050 mach_msg2_trap + 8
1   libsystem_kernel.dylib        	       0x189de411c mach_msg2_internal + 80
2   libsystem_kernel.dylib        	       0x189ddac24 mach_msg_overwrite + 452
3   libsystem_kernel.dylib        	       0x189dd23cc mach_msg + 24
4   CoreFoundation                	       0x189ef1bb0 __CFRunLoopServiceMachPort + 160
5   CoreFoundation                	       0x189ef049c __CFRunLoopRun + 1232
6   CoreFoundation                	       0x189eef878 CFRunLoopRunSpecific + 612
7   Foundation                    	       0x18adfaab8 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 212
8   AppKit                        	       0x18d4ede48 -[NSAnimation _runBlocking] + 320
9   AppKit                        	       0x18d4ee164 __30-[NSAnimation _runInNewThread]_block_invoke + 124
10  libdispatch.dylib             	       0x189c889dc _dispatch_call_block_and_release + 32
11  libdispatch.dylib             	       0x189c8a504 _dispatch_client_callout + 20
12  libdispatch.dylib             	       0x189c9c0b4 _dispatch_root_queue_drain + 684
13  libdispatch.dylib             	       0x189c9c7c0 _dispatch_worker_thread2 + 164
14  libsystem_pthread.dylib       	       0x189e0e0c4 _pthread_wqthread + 228
15  libsystem_pthread.dylib       	       0x189e0ce20 start_wqthread + 8

Thread 7:
0   libsystem_pthread.dylib       	       0x189e0ce18 start_wqthread + 0

Thread 8:
0   libsystem_pthread.dylib       	       0x189e0ce18 start_wqthread + 0

Thread 9:
0   libsystem_pthread.dylib       	       0x189e0ce18 start_wqthread + 0

Thread 10:
0   libsystem_pthread.dylib       	       0x189e0ce18 start_wqthread + 0


Thread 0 crashed with ARM Thread State (64-bit):
    x0: 0x0000000000000001   x1: 0x000000007fffffff   x2: 0x00000001e63392c0   x3: 0x0000000197f7a344
    x4: 0x0000000000000000   x5: 0x00000001e32959e8   x6: 0x0000000000000000   x7: 0x00000001e5443a80
    x8: 0x0000000000000000   x9: 0x0000000000000000  x10: 0x000000010044eb40  x11: 0x000000010044eba8
   x12: 0x0000000000000003  x13: 0x0000000000000800  x14: 0x0000000125400000  x15: 0x00000001e53b45d8
   x16: 0x000000018b036324  x17: 0x2e3f00010044eba8  x18: 0x0000000000000000  x19: 0x000000016fa71258
   x20: 0x000000016fa70eb0  x21: 0x000000016fa70ed0  x22: 0x000000010044ebb0  x23: 0x000000012613df80
   x24: 0x0000000000000000  x25: 0x00000001e596b658  x26: 0x0000000122017280  x27: 0x0000000000000001
   x28: 0x0000000000000001   fp: 0x000000016fa710b0   lr: 0x00000001003a9148
    sp: 0x000000016fa70eb0   pc: 0x00000001003a950c cpsr: 0x60001000
   far: 0x00000001261d4048  esr: 0xf2000001 (Breakpoint) brk 1

Binary Images:
       0x10038c000 -        0x100443fff com.joshua-park.Mochi-Diffusion (2.4) <8e03f735-5ecb-3573-9901-29714be3fbed> /Applications/Mochi Diffusion.app/Contents/MacOS/Mochi Diffusion
       0x1b0a97000 -        0x1b231afff com.apple.SwiftUI (4.3.3.1.400) <a2ed7102-543e-3c8c-8d24-9ed33a1db942> /System/Library/Frameworks/SwiftUI.framework/Versions/A/SwiftUI
       0x1b231b000 -        0x1b235dfff com.apple.AttributeGraph (4.0.28) <918f7b92-489a-3cf1-9f50-2c50327c270a> /System/Library/PrivateFrameworks/AttributeGraph.framework/Versions/A/AttributeGraph
       0x189e70000 -        0x18a347fff com.apple.CoreFoundation (6.9) <18260df4-69a8-30d3-8175-fb8ae7ae7709> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
       0x19359e000 -        0x1938d1fff com.apple.HIToolbox (2.1.1) <c68fe2e2-e0f3-3caf-ada3-bcc72fba79d0> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
       0x18d13c000 -        0x18e047fff com.apple.AppKit (6.9) <88722053-0df0-3d4f-bf55-7e3c2d2c8e29> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
       0x189ae2000 -        0x189b6cba3 dyld (*) <191e84f1-4b95-39c8-b253-1c1ef56c0fa8> /usr/lib/dyld
       0x189dd1000 -        0x189e0afeb libsystem_kernel.dylib (*) <3dcd49b9-b3c5-3d90-be40-a3b807cb9cd7> /usr/lib/system/libsystem_kernel.dylib
       0x189e0b000 -        0x189e17ffb libsystem_pthread.dylib (*) <9f3b729a-ed04-3e65-adac-d75ad06ebbdc> /usr/lib/system/libsystem_pthread.dylib
       0x18ad9d000 -        0x18b7d6fff com.apple.Foundation (6.9) <c62e0110-c636-396a-9cb6-c3c08392b3fa> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
       0x189c86000 -        0x189ccdfff libdispatch.dylib (*) <4d52c3a5-32e6-37a2-9d6c-23c612038354> /usr/lib/system/libdispatch.dylib

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=1.3G resident=0K(0%) swapped_out_or_unallocated=1.3G(100%)
Writable regions: Total=350.0M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=350.0M(100%)

                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Accelerate framework               384K        3 
Activity Tracing                   256K        1 
CG backing stores                 2880K        4 
CG image                          2208K       15 
ColorSync                          592K       29 
CoreAnimation                     3440K       68 
CoreGraphics                        48K        3 
CoreServices                       128K        1 
CoreUI image data                 3776K       29 
Dispatch continuations            80.0M        1 
Foundation                          16K        1 
Kernel Alloc Once                   32K        1 
MALLOC                           131.3M       54 
MALLOC guard page                  192K       10 
MALLOC_MEDIUM (reserved)         112.0M        1         reserved VM address space (unallocated)
STACK GUARD                       56.2M       11 
Stack                             13.3M       11 
VM_ALLOCATE                       3280K       14 
__AUTH                            2034K      343 
__AUTH_CONST                      25.0M      561 
__CTF                               756        1 
__DATA                            12.9M      550 
__DATA_CONST                      27.3M      566 
__DATA_DIRTY                      2009K      214 
__FONT_DATA                        2352        1 
__LINKEDIT                       768.2M        4 
__OBJC_CONST                      4437K      305 
__OBJC_RO                         65.5M        1 
__OBJC_RW                         1988K        1 
__TEXT                           593.2M      587 
dyld private memory                256K        1 
mapped file                      203.5M       41 
shared memory                     2928K       19 
===========                     =======  ======= 
TOTAL                              2.1G     3452 
TOTAL, minus reserved VM space     2.0G     3452 



-----------
Full Report
-----------

{"app_name":"Mochi Diffusion","timestamp":"2023-02-21 16:27:23.00 +0530","app_version":"2.4","slice_uuid":"8e03f735-5ecb-3573-9901-29714be3fbed","build_version":"2.4","platform":1,"bundleID":"com.joshua-park.Mochi-Diffusion","share_with_app_devs":0,"is_first_party":0,"bug_type":"309","os_version":"macOS 13.2.1 (22D68)","roots_installed":0,"name":"Mochi Diffusion","incident_id":"9E386B19-8919-4655-A124-E255F159152D"}
{
  "uptime" : 560000,
  "procRole" : "Foreground",
  "version" : 2,
  "userID" : 501,
  "deployVersion" : 210,
  "modelCode" : "Mac13,1",
  "coalitionID" : 29778,
  "osVersion" : {
    "train" : "macOS 13.2.1",
    "build" : "22D68",
    "releaseType" : "User"
  },
  "captureTime" : "2023-02-21 16:27:23.6695 +0530",
  "incident" : "9E386B19-8919-4655-A124-E255F159152D",
  "pid" : 73176,
  "translated" : false,
  "cpuType" : "ARM-64",
  "roots_installed" : 0,
  "bug_type" : "309",
  "procLaunch" : "2023-02-21 16:24:28.9664 +0530",
  "procStartAbsTime" : 13667423164705,
  "procExitAbsTime" : 13671615882336,
  "procName" : "Mochi Diffusion",
  "procPath" : "\/Applications\/Mochi Diffusion.app\/Contents\/MacOS\/Mochi Diffusion",
  "bundleInfo" : {"CFBundleShortVersionString":"2.4","CFBundleVersion":"2.4","CFBundleIdentifier":"com.joshua-park.Mochi-Diffusion"},
  "storeInfo" : {"deviceIdentifierForVendor":"79C937F4-CD2C-5FC0-ACEE-C384BC51EEC9","thirdParty":true},
  "parentProc" : "launchd",
  "parentPid" : 1,
  "coalitionName" : "com.joshua-park.Mochi-Diffusion",
  "crashReporterKey" : "4212A49C-4C70-A1E6-BE96-EAF405E78762",
  "throttleTimeout" : 2147483647,
  "sip" : "enabled",
  "exception" : {"codes":"0x0000000000000001, 0x00000001003a950c","rawCodes":[1,4298806540],"type":"EXC_BREAKPOINT","signal":"SIGTRAP"},
  "termination" : {"flags":0,"code":5,"namespace":"SIGNAL","indicator":"Trace\/BPT trap: 5","byProc":"exc handler","byPid":73176},
  "os_fault" : {"process":"Mochi Diffusion"},
  "extMods" : {"caller":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"system":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"targeted":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"warnings":0},
  "faultingThread" : 0,
  "threads" : [{"triggered":true,"id":11914301,"threadState":{"x":[{"value":1},{"value":2147483647},{"value":8157106880,"symbolLocation":0,"symbol":"type metadata for URL"},{"value":6844556100,"symbolLocation":0,"symbol":"swift::metadataimpl::FixedSizeBufferValueWitnesses<swift::metadataimpl::ValueWitnesses<swift::metadataimpl::ObjCRetainableBox>, true, 8ul, 8ul, true>::getEnumTagSinglePayload(swift::OpaqueValue const*, unsigned int, swift::TargetMetadata<swift::InProcess> const*)"},{"value":0},{"value":8106105320,"symbolLocation":0,"symbol":"flag for loading of canonical specialized generic type metadata for Optional"},{"value":0},{"value":8141421184,"symbolLocation":11560,"symbol":"InitialAllocationPool"},{"value":0},{"value":0},{"value":4299483968},{"value":4299484072},{"value":3},{"value":2048},{"value":4919918592},{"value":8140834264,"symbolLocation":0,"symbol":"__CFConstantStringClassReference"},{"value":6627222308,"symbolLocation":0,"symbol":"type metadata accessor for URL"},{"value":3332382253576940456},{"value":0},{"value":6168187480},{"value":6168186544},{"value":6168186576},{"value":4299484080},{"value":4933803904},{"value":0},{"value":8146826840,"symbolLocation":0,"symbol":"_swiftEmptyArrayStorage"},{"value":4865487488},{"value":1},{"value":1}],"flavor":"ARM_THREAD_STATE64","lr":{"value":4298805576},"cpsr":{"value":1610616832},"fp":{"value":6168187056},"sp":{"value":6168186544},"esr":{"value":4060086273,"description":"(Breakpoint) brk 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Model: Mac13,1, BootROM 8419.80.7, proc 10:8:2 processors, 32 GB, SMC 
Graphics: Apple M1 Max, Apple M1 Max, Built-In
Display: LG HDR 4K, 3840 x 2160 (2160p/4K UHD 1 - Ultra High Definition), Main, MirrorOff, Online
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AirPort: spairport_wireless_card_type_wifi (0x14E4, 0x4387), wl0: Nov 30 2022 02:49:13 version 20.10.965.13.8.7.131 FWID 01-c3a524b8
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USB Device: USB31Bus
USB Device: USB31Bus
USB Device: USB31Bus
USB Device: USB31Bus
USB Device: USB31Bus
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Thunderbolt Bus: Mac Studio, Apple Inc.
Thunderbolt Bus: Mac Studio, Apple Inc.
Thunderbolt Bus: Mac Studio, Apple Inc.
Thunderbolt Bus: Mac Studio, Apple Inc.

[StupiDeity]

N00b here. Forgot to unzip the models and place it in the root model folder.

[vzsg]

Even if you do that, it shouldn't cause a crash. Did you copy the zip file in the models folder?

[vzsg]

Okay, I managed to reproduce it: I created a subfolder under models and put the zip file in that subfolder (as opposed to unpacking it). I selected the folder from the dropdown and boom, a force unwrap explodes.

This is worthy of a reopen, IMHO.

[vzsg]

You can also close this one, @godly-devotion 🙂

[godly-devotion]

Fixed by #209