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embedded bun crashed #5978

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opened 2026-02-16 17:59:04 -05:00 by yindo · 0 comments
yindo commented 2026-02-16 17:59:04 -05:00
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Originally created by @jiangfire on GitHub (Jan 14, 2026).

Originally assigned to: @rekram1-node on GitHub.

Description

I can't run open code in windows, because bun has crashed. But if i run bun in my computer, it can run.
the message

Bun v1.3.5 (1e86cebd) Windows x64 (baseline)
Windows v.win10_19h1
Args: "E:\tools\bin\opencode.exe" "--user-agent=opencode/1.1.20" "--use-system-ca " "--" "--version"
Features: Bun.stderr(2) Bun.stdin(2) Bun.stdout(2) fetch jsc no_avx2 no_avx standalone_executable
Builtins: "bun:ffi" "bun:main" "node:assert" "node:async_hooks" "node:buffer" "node:child_process" "node:console" "node:crypto" "node:events" "node:fs" "node:fs/promises" "node:http" "node:https" "node:module" "node:net" "node:os" "node:path" "node:process" "node:querystring" "node:readline" "node:stream" "node:string_decoder" "node:timers" "node:timers/promises" "node:tls" "node:tty" "node:url" "node:util" "undici" "node:v8" "node:dgram"
Elapsed: 1049ms | User: 2312ms | Sys: 640ms
RSS: 0.40GB | Peak: 0.40GB | Commit: 0.54GB | Faults: 160797 | Machine: 17.08GB

CPU lacks AVX support. Please consider upgrading to a newer CPU.
panic(main thread): Segmentation fault at address 0x471A13FDAAA
oh no: Bun has crashed. This indicates a bug in Bun, not your code.

To send a redacted crash report to Bun's team,
please file a GitHub issue using the link below:

 https://bun.report/1.3.5/ea11e86cebEugogigDCcLHShield64.dll4oyhCCcLHShield64.dlly2xhCCcLHShield64.dllugoOCcLHShield64.dllmhjTCcLHShield64.dllwgVCcLHShield64.dlls45tCCcLHShield64.dllizxfCcLHShield64.dll66mfCcLHShield64.dlloyyyB+52nuBu32mgB61/8f__0shkwCA2inCt1yg4+C

cpu info

	Number of cores		4 (max 4)
	Number of threads	8 (max 8)
	Manufacturer		GenuineIntel
	Name			Intel Core i7 8550U
	Codename		Kaby Lake-R
	Specification		Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
	Package (platform ID)	Socket 1356 FCBGA (0x7)
	CPUID			6.E.A
	Extended CPUID		6.8E
	Core Stepping		Y0
	Technology		14 nm
	TDP Limit		15.0 Watts
	Tjmax			100.0 癈
	Core Speed		2893.6 MHz
	Multiplier x Bus Speed	29.0 x 99.8 MHz
	Base frequency (cores)	99.8 MHz
	Stock frequency		2000 MHz
	Max frequency		4000 MHz
	Instructions sets	MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, VT-x, AES, AVX, AVX2, FMA3
	Microcode Revision	0xC6
	L1 Data cache		4 x 32 KB (8-way, 64-byte line)
	L1 Instruction cache	4 x 32 KB (8-way, 64-byte line)
	L2 cache		4 x 256 KB (4-way, 64-byte line)
	L3 cache		8 MB (16-way, 64-byte line)
	Max CPUID level		00000016h
	Max CPUID ext. level	80000008h


	Turbo Mode		supported, enabled
	Max non-turbo ratio	20x
	Max turbo ratio		40x
	Max efficiency ratio	4x
	Min operating ratio	4x
	O/C bins		none
	Power Max (PL1)		15.00 W
	PL1 Time Window		28.00 s
	Short Power Max (PL2)	25.00 W
	Current Max (IccMax)	64.00 A
	Ratio 1 core		40x
	Ratio 2 cores		40x
	Ratio 3 cores		37x
	Ratio 4 cores		37x
	IA Voltage Mode		PCU adaptive
	IA Voltage Offset	0 mV
	GT Voltage Mode		PCU adaptive
	GT Voltage Offset	0 mV
	LLC/Ring Voltage Mode	PCU adaptive
	LLC/Ring Voltage Offset	0 mV
	Agent Voltage Mode	PCU adaptive
	Agent Voltage Offset	0 mV
	TDP Level		15.0 W @ 18x
	TDP Level		10.0 W @ 8x
	TDP Level		25.0 W @ 20x

	Temperature 0		81 degC (177 degF) (Package)
	Temperature 1		78 degC (172 degF) (Cores (Max))
	Temperature 2		76 degC (168 degF) (Core #0)
	Temperature 3		75 degC (167 degF) (Core #1)
	Temperature 4		78 degC (172 degF) (Core #2)
	Temperature 5		75 degC (167 degF) (Core #3)
	Voltage 0		0.95 Volts (VID)
	Voltage 1		+0.00 Volts (IA Offset)
	Voltage 2		+0.00 Volts (GT Offset)
	Voltage 3		+0.00 Volts (Ring Offset)
	Voltage 4		+0.00 Volts (System Agent Offset)
	Power 00		22.99 W (Package)
	Power 01		20.47 W (IA Cores)
	Power 02		0.05 W (GT)
	Power 03		1.21 W (DRAM)
	Power 04		15.00 W (Power Max (PL1))
	Power 05		25.00 W (Short Power Max (PL2))
	Clock Speed 0		3292.74 MHz (Cores (Max))
	Clock Speed 1		2893.62 MHz (Core #0)
	Clock Speed 2		3292.74 MHz (Core #1)
	Clock Speed 3		2893.62 MHz (Core #2)
	Clock Speed 4		3292.74 MHz (Core #3)
	Clock Speed 5		99.78 MHz (CPU BCLK)
	Clock Speed 6		n.a. (SOC BCLK)
	Clock Speed 7		2793.84 MHz (LLC/Ring)
	Clock Speed 8		1197.36 MHz (Memory)
	Core 0 max ratio	40.0
	Core 1 max ratio	40.0
	Core 2 max ratio	40.0
	Core 3 max ratio	40.0

I don't know why, My CPU support AVX， But bun tell me, it lacks avx support.

Plugins

no

OpenCode version

v1.1.20

Steps to reproduce

  1. execute opencode.exe

Screenshot and/or share link

No response

Operating System

Windows v.win10_19h1

Terminal

Windows Terminal

Originally created by @jiangfire on GitHub (Jan 14, 2026). Originally assigned to: @rekram1-node on GitHub. ### Description I can't run open code in windows, because bun has crashed. But if i run bun in my computer, it can run. the message ``` Bun v1.3.5 (1e86cebd) Windows x64 (baseline) Windows v.win10_19h1 Args: "E:\tools\bin\opencode.exe" "--user-agent=opencode/1.1.20" "--use-system-ca " "--" "--version" Features: Bun.stderr(2) Bun.stdin(2) Bun.stdout(2) fetch jsc no_avx2 no_avx standalone_executable Builtins: "bun:ffi" "bun:main" "node:assert" "node:async_hooks" "node:buffer" "node:child_process" "node:console" "node:crypto" "node:events" "node:fs" "node:fs/promises" "node:http" "node:https" "node:module" "node:net" "node:os" "node:path" "node:process" "node:querystring" "node:readline" "node:stream" "node:string_decoder" "node:timers" "node:timers/promises" "node:tls" "node:tty" "node:url" "node:util" "undici" "node:v8" "node:dgram" Elapsed: 1049ms | User: 2312ms | Sys: 640ms RSS: 0.40GB | Peak: 0.40GB | Commit: 0.54GB | Faults: 160797 | Machine: 17.08GB CPU lacks AVX support. Please consider upgrading to a newer CPU. panic(main thread): Segmentation fault at address 0x471A13FDAAA oh no: Bun has crashed. This indicates a bug in Bun, not your code. To send a redacted crash report to Bun's team, please file a GitHub issue using the link below: https://bun.report/1.3.5/ea11e86cebEugogigDCcLHShield64.dll4oyhCCcLHShield64.dlly2xhCCcLHShield64.dllugoOCcLHShield64.dllmhjTCcLHShield64.dllwgVCcLHShield64.dlls45tCCcLHShield64.dllizxfCcLHShield64.dll66mfCcLHShield64.dlloyyyB+52nuBu32mgB61/8f__0shkwCA2inCt1yg4+C ``` cpu info ``` Number of cores 4 (max 4) Number of threads 8 (max 8) Manufacturer GenuineIntel Name Intel Core i7 8550U Codename Kaby Lake-R Specification Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz Package (platform ID) Socket 1356 FCBGA (0x7) CPUID 6.E.A Extended CPUID 6.8E Core Stepping Y0 Technology 14 nm TDP Limit 15.0 Watts Tjmax 100.0 癈 Core Speed 2893.6 MHz Multiplier x Bus Speed 29.0 x 99.8 MHz Base frequency (cores) 99.8 MHz Stock frequency 2000 MHz Max frequency 4000 MHz Instructions sets MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, VT-x, AES, AVX, AVX2, FMA3 Microcode Revision 0xC6 L1 Data cache 4 x 32 KB (8-way, 64-byte line) L1 Instruction cache 4 x 32 KB (8-way, 64-byte line) L2 cache 4 x 256 KB (4-way, 64-byte line) L3 cache 8 MB (16-way, 64-byte line) Max CPUID level 00000016h Max CPUID ext. level 80000008h Turbo Mode supported, enabled Max non-turbo ratio 20x Max turbo ratio 40x Max efficiency ratio 4x Min operating ratio 4x O/C bins none Power Max (PL1) 15.00 W PL1 Time Window 28.00 s Short Power Max (PL2) 25.00 W Current Max (IccMax) 64.00 A Ratio 1 core 40x Ratio 2 cores 40x Ratio 3 cores 37x Ratio 4 cores 37x IA Voltage Mode PCU adaptive IA Voltage Offset 0 mV GT Voltage Mode PCU adaptive GT Voltage Offset 0 mV LLC/Ring Voltage Mode PCU adaptive LLC/Ring Voltage Offset 0 mV Agent Voltage Mode PCU adaptive Agent Voltage Offset 0 mV TDP Level 15.0 W @ 18x TDP Level 10.0 W @ 8x TDP Level 25.0 W @ 20x Temperature 0 81 degC (177 degF) (Package) Temperature 1 78 degC (172 degF) (Cores (Max)) Temperature 2 76 degC (168 degF) (Core #0) Temperature 3 75 degC (167 degF) (Core #1) Temperature 4 78 degC (172 degF) (Core #2) Temperature 5 75 degC (167 degF) (Core #3) Voltage 0 0.95 Volts (VID) Voltage 1 +0.00 Volts (IA Offset) Voltage 2 +0.00 Volts (GT Offset) Voltage 3 +0.00 Volts (Ring Offset) Voltage 4 +0.00 Volts (System Agent Offset) Power 00 22.99 W (Package) Power 01 20.47 W (IA Cores) Power 02 0.05 W (GT) Power 03 1.21 W (DRAM) Power 04 15.00 W (Power Max (PL1)) Power 05 25.00 W (Short Power Max (PL2)) Clock Speed 0 3292.74 MHz (Cores (Max)) Clock Speed 1 2893.62 MHz (Core #0) Clock Speed 2 3292.74 MHz (Core #1) Clock Speed 3 2893.62 MHz (Core #2) Clock Speed 4 3292.74 MHz (Core #3) Clock Speed 5 99.78 MHz (CPU BCLK) Clock Speed 6 n.a. (SOC BCLK) Clock Speed 7 2793.84 MHz (LLC/Ring) Clock Speed 8 1197.36 MHz (Memory) Core 0 max ratio 40.0 Core 1 max ratio 40.0 Core 2 max ratio 40.0 Core 3 max ratio 40.0 ``` I don't know why, My CPU support AVX， But bun tell me, it lacks avx support. ### Plugins no ### OpenCode version v1.1.20 ### Steps to reproduce 1. execute opencode.exe ### Screenshot and/or share link _No response_ ### Operating System Windows v.win10_19h1 ### Terminal Windows Terminal
yindo added the windowsbug labels 2026-02-16 17:59:04 -05:00
yindo closed this issue 2026-02-16 17:59:04 -05:00
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Reference: anomalyco/opencode#5978
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