Where does the bug appear (feature/product)?
Cursor IDE
Describe the Bug
After clicking the Agent button in Editor mode, Cursor crashes immediately and the interface gets stuck on a Loading state that never recovers. A force quit and restart of the application is required. This issue is consistently reproducible.
Translated Report (Full Report Below)
Process: Cursor [20891]
Path: /Applications/Cursor.app/Contents/MacOS/Cursor
Identifier: com.todesktop.230313mzl4w4u92
Version: 3.2.0-pre.43.patch.0 (3.2.0-pre.43.patch.0)
Code Type: ARM-64 (Native)
Role: Unspecified
Parent Process: Cursor [4056]
Coalition: com.todesktop.230313mzl4w4u92 [1478]
Responsible Process: Cursor [4056]
User ID: 501
Date/Time: 2026-04-21 10:59:36.7629 +0800
Launch Time: 2026-04-21 10:59:36.7242 +0800
Hardware Model: Mac14,10
OS Version: macOS 26.3 (25D125)
Release Type: User
Crash Reporter Key: 910E757C-68BA-06CE-4695-8F8A6762FC2D
Incident Identifier: 735444FF-8930-4E80-B3B7-36125EA1A304
Time Awake Since Boot: 71000 seconds
System Integrity Protection: enabled
Triggered by Thread: 0
Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000001, 0x000000010fe0f4e4
Termination Reason: Namespace SIGNAL, Code 5, Trace/BPT trap: 5
Terminating Process: exc handler [20891]
Application Specific Information:
*** multi-threaded process forked ***
crashed on child side of fork pre-exec
Thread 0 Crashed:
0 Electron Framework 0x10fe0f4e4 ares_dns_rr_get_ttl + 3361272
1 Electron Framework 0x10fe0f41c ares_dns_rr_get_ttl + 3361072
2 Electron Framework 0x10bb60d94 v8::internal::OptimizingCompileTaskExecutor::OptimizingCompileTaskExecutor() + 43872
3 Electron Framework 0x10fe0f858 ares_dns_rr_get_ttl + 3362156
4 Electron Framework 0x10fe0f870 ares_dns_rr_get_ttl + 3362180
5 Electron Framework 0x10cce6b9c v8::ScriptCompiler::CachedDataVersionTag() + 159404
6 Electron Framework 0x10cce59b4 v8::ScriptCompiler::CachedDataVersionTag() + 154820
7 Electron Framework 0x112da9078 temporal_rs_PlainTime_microsecond + 7735320
8 Electron Framework 0x10c9ffa04 rust_png$cxxbridge1$ResultOfWriter$err + 29436
9 Electron Framework 0x10cb60a44 v8::Object::SetIntegrityLevel(v8::Localv8::Context, v8::IntegrityLevel) + 108100
10 Electron Framework 0x112da9154 temporal_rs_PlainTime_microsecond + 7735540
11 libsystem_pthread.dylib 0x1806ffc08 _pthread_start + 136
12 libsystem_pthread.dylib 0x1806faba8 thread_start + 8
Thread 0 crashed with ARM Thread State (64-bit):
x0: 0x000000011504c858 x1: 0x0000010c0476eb00 x2: 0x0000000000000000 x3: 0x00000001807069f0
x4: 0x0000000175392040 x5: 0x0000000000000010 x6: 0x0000000000000020 x7: 0xffffffff00170300
x8: 0x0000000000000000 x9: 0x0000000000000000 x10: 0x0000000000000000 x11: 0x0000000000000002
x12: 0x0000000000000000 x13: 0x0000000000000000 x14: 0x0000000000170380 x15: 0x8f5c28f5c28f5c29
x16: 0x00000001806fa8cc x17: 0x0000000175393000 x18: 0x0000000000000000 x19: 0x00000000000000ff
x20: 0x0000000175392648 x21: 0x0000000175392438 x22: 0x0000000114f82000 x23: 0x0000010c0476ea00
x24: 0x0000000000000023 x25: 0x0000000000000100 x26: 0x0000000000000100 x27: 0x00000000000000ed
x28: 0x0000010c0476ea00 fp: 0x0000000175392420 lr: 0x000000010fe0f41c
sp: 0x0000000175391ff0 pc: 0x000000010fe0f4e4 cpsr: 0x60001000
far: 0x0000000000000000 esr: 0xf2000000 (Breakpoint) brk 0
Binary Images:
0x1002ac000 - 0x1002affff com.todesktop.230313mzl4w4u92 (3.2.0-pre.43.patch.0) <4c4c4492-5555-3144-a1a8-5f0d2c2a6582> /Applications/Cursor.app/Contents/MacOS/Cursor
0x10ad74000 - 0x11492ffff com.github.Electron.framework () <4c4c4414-5555-3144-a1ea-b777c6849ad4> /Applications/Cursor.app/Contents/Frameworks/Electron Framework.framework/Versions/A/Electron Framework
0x1002e8000 - 0x1002fffff com.github.Squirrel (1.0) <4c4c44ed-5555-3144-a1d3-f4fb41db084d> /Applications/Cursor.app/Contents/Frameworks/Squirrel.framework/Versions/A/Squirrel
0x100370000 - 0x1003b3fff com.electron.reactive (3.1.0) <4c4c4477-5555-3144-a13f-ca3132cdf589> /Applications/Cursor.app/Contents/Frameworks/ReactiveObjC.framework/Versions/A/ReactiveObjC
0x100310000 - 0x10031bfff org.mantle.Mantle (1.0) <4c4c4462-5555-3144-a13a-09ad120e0561> /Applications/Cursor.app/Contents/Frameworks/Mantle.framework/Versions/A/Mantle
0x1007e4000 - 0x1009abfff libffmpeg.dylib () <4c4c44cd-5555-3144-a1c8-b5e23070b89d> /Applications/Cursor.app/Contents/Frameworks/Electron Framework.framework/Versions/A/Libraries/libffmpeg.dylib
0x100690000 - 0x10069bfff libobjc-trampolines.dylib () /usr/lib/libobjc-trampolines.dylib
0x140da8000 - 0x14156bfff com.apple.AGXMetalG14X (345.20.4) <7ad56ad2-d2e3-3b24-9054-b6639e14e7fc> /System/Library/Extensions/AGXMetalG14X.bundle/Contents/MacOS/AGXMetalG14X
0x10ac00000 - 0x10ac0bfff vscode-policy-watcher.node () /Applications/Cursor.app/Contents/Resources/app/node_modules/@anysphere/policy-watcher/build/Release/vscode-policy-watcher.node
0x10ac9c000 - 0x10acd7fff spdlog.node () <4e11bb14-cbd9-343e-b3c9-eaef1393a12d> /Applications/Cursor.app/Contents/Resources/app/node_modules/@vscode/spdlog/build/Release/spdlog.node
0x10ac24000 - 0x10ac2bfff cursor_proclist.node () <8b15a37a-fb33-3f40-a4e4-df17479069e8> /Applications/Cursor.app/Contents/Resources/app/node_modules/cursor-proclist/build/Release/cursor_proclist.node
0x10ac40000 - 0x10ac5ffff com.apple.security.csparser (3.0) <862365a2-2945-3e86-a947-83bf39a899bf> /System/Library/Frameworks/Security.framework/Versions/A/PlugIns/csparser.bundle/Contents/MacOS/csparser
0x140b7c000 - 0x140d17fff vscode-sqlite3.node () <3fade508-ea91-35d5-89af-943c3bbb04f0> /Applications/Cursor.app/Contents/Resources/app/node_modules/@vscode/sqlite3/build/Release/vscode-sqlite3.node
0x140b54000 - 0x140b57fff keymapping.node () <5eed8dff-d8b6-3b91-a389-f41493b0a3b9> /Applications/Cursor.app/Contents/Resources/app/node_modules/native-keymap/build/Release/keymapping.node
0x1806f9000 - 0x180705acb libsystem_pthread.dylib () <0596a7b6-bce2-3f06-a2e8-3eaab5371ed8> /usr/lib/system/libsystem_pthread.dylib
0x0 - 0xffffffffffffffff ??? () <00000000-0000-0000-0000-000000000000> ???
0x180706000 - 0x18070e4af libsystem_platform.dylib (*) <62c9cd37-272d-3d2d-9a1c-6f4ef24f7ec7> /usr/lib/system/libsystem_platform.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=2.0G resident=0K(0%) swapped_out_or_unallocated=2.0G(100%)
Writable regions: Total=1.3G written=497K(0%) resident=497K(0%) swapped_out=0K(0%) unallocated=1.3G(100%)
VIRTUAL REGION
REGION TYPE SIZE COUNT (non-coalesced)
=========== ======= =======
.note.gnu.proper 320 1
Accelerate framework 640K 5
AttributeGraph Data 1024K 1
CG image 304K 11
ColorSync 16K 1
CoreAnimation 1536K 96
CoreGraphics 32K 2
CoreServices 624K 2
CoreUI image data 800K 7
Dispatch continuations 96.0M 1
Foundation 48K 2
Kernel Alloc Once 48K 2
MALLOC 97.4M 18
MALLOC guard page 32K 2
Mach message 448K 16
Memory Tag 253 32.0G 2102
Memory Tag 253 (reserved) 80K 1 reserved VM address space (unallocated)
Memory Tag 255 1.3T 1153
Memory Tag 255 (reserved) 688K 11 reserved VM address space (unallocated)
PROTECTED_MEMORY 16K 1
SQLite page cache 384K 3
STACK GUARD 16K 1
Stack 368.1M 55
Stack (reserved) 544K 1 reserved VM address space (unallocated)
Stack Guard 56.8M 54
VM_ALLOCATE 944K 22
VM_ALLOCATE (reserved) 16K 1 reserved VM address space (unallocated)
__AUTH 5977K 665
__AUTH_CONST 90.9M 1050
__CTF 824 1
__DATA 37.9M 1011
__DATA_CONST 39.6M 1070
__DATA_DIRTY 8580K 903
__FONT_DATA 2352 1
__INFO_FILTER 8 1
__LINKEDIT 593.5M 15
__OBJC_RO 78.4M 1
__OBJC_RW 2571K 1
__TEXT 1.4G 1093
__TPRO_CONST 128K 2
mapped file 461.5M 123
page table in kernel 497K 1
shared memory 448K 22
=========== ======= =======
TOTAL 1.4T 9532
TOTAL, minus reserved VM space 1.4T 9532
Steps to Reproduce
- Open Cursor
- Enter Editor mode
- Click the Agent button
- Cursor crashes and the interface gets stuck on Loading
Operating System
MacOS
Version Information
Cursor Version: 3.2.0-pre.43.patch.0
Electron Version: 39.8.1
OS: macOS 26.3 (Build 25D125)
Hardware: MacBook Pro (Mac14,10), Apple M2 Pro, 32 GB LPDDR5
External Display: LS27D80xU (6016 x 3384)
Does this stop you from using Cursor
Sometimes - I can sometimes use Cursor