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Bun Segfaults on Proxmox VM — the $6.75 AVX Rabbit Hole

2026-03-03 — debugging war story

The Problem

Deploying a Bun app to a Proxmox VM. Everything works locally. On the VM:

panic(main thread): Segmentation fault at address 0x419E4000000

olragon

Installing Colima via MacPorts on macOS 10.13 (High Sierra)

Machine: MacBookPro6,2 (mid-2010 15"), macOS 10.13.6 High Sierra, darwin 17.7.0 MacPorts: with clang-mp-17, python3.14, Go 1.24.8 Result: Colima 0.10.1 + Lima 2.0.3 + QEMU 10.2.1 — fully working Docker on macOS 10.13

The Problem

sudo port install colima fails because QEMU 10.2.1 and Lima 2.0.3 use macOS APIs that don't exist on 10.13. Seven custom patches are needed across QEMU and Lima Portfiles, plus a python3 symlink fix.

olragon

#!/usr/bin/env python3
import gi
gi.require_version('Aravis', '0.8')
from gi.repository import Aravis
import numpy as np
import cv2
import sys
import time
import json
import os

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// ==UserScript==
// @name         Blagu - Text Selectable
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  Enables text selection, right-click and copy/paste on website by removing protections
// @author       You
// @match        *://*.5office.vn/*
// @match        *://*.officesaigon.vn/*
// @grant        none
// @run-at       document-start

olragon

Framework	Average	Get (/)	Params, query & header	Post JSON
uws (node)	98,742.06	117,931.1	106,347.08	71,948
hyper-express (node)	82,449.5	118,198.57	88,546.88	40,603.05
bun (bun)	81,971.373	99,946.51	78,488.13	67,479.48
elysia (bun)	79,643.103	98,266.18	76,637.37	64,025.76
vixeny (bun)	79,508.623	96,996.36	79,585.35	61,944.16
stricjs (bun)	79,120.123	97,804.01	78,028.85	61,527.51
hono (bun)	75,293.96	95,430.31	70,915.01	59,536.56
bun-web-standard (bun)	73,925.933	88,856.78	70,520.02	62,401

olragon

1. Go to https://caiorss.github.io/bookmarklet-maker/
2. Input Title, paste to Code, replace YOUR_VAULT_NAME_HERE, change or replace YOUR_FOLDER_HERE_OR_REMOVE (eg: Daily/)

window.open(`obsidian://new
	?vault=YOUR_VAULT_NAME_HERE
	&append=1
	&file=${encodeURIComponent('YOUR_FOLDER_HERE_OR_REMOVE' + new Date(new Date().getTime() - (new Date).getTimezoneOffset()).toISOString().split('T')[0])}
	&content=${encodeURIComponent(`\n## ${document.title}\nLink: [${window.location.href}](${window.location.href})`)}
`)

olragon

// fork of elysia-compression
// changes:
// 1/ use gzip, deflate from node:zlib,
// 2/ use async version,
// 3/ check accept-encoding header,
// 4/ prevent unexpected download because of application/octet-stream

import {Context, Elysia} from "elysia";
import {gzip, deflate, ZlibOptions} from "zlib";

olragon

diff --git a/node_modules/postgraphile/build/postgraphile/http/createPostGraphileHttpRequestHandler.js b/node_modules/postgraphile/build/postgraphile/http/createPostGraphileHttpRequestHandler.js
index 73bc159..1b1d23d 100644
--- a/node_modules/postgraphile/build/postgraphile/http/createPostGraphileHttpRequestHandler.js
+++ b/node_modules/postgraphile/build/postgraphile/http/createPostGraphileHttpRequestHandler.js
@@ -717,7 +717,14 @@ function createPostGraphileHttpRequestHandler(options) {
                             operationName,
                         }, (graphqlContext) => {
                             pgRole = graphqlContext.pgRole;
-                            const graphqlResult = graphql_1.execute(gqlSchema, queryDocumentAst, null, graphqlContext, variables, operationName);
+                            const graphqlResult = graphql_1.execute({

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Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Chrome/
Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)
Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/W.X.Y.Z Mobile Safari/537.36  (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Chrome/W.X.Y.Z Safari/537.36
Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/W.X.Y.Z Mobile Safari/537.36  (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; MicrosoftPreview/2.0; +https://aka.ms/MicrosoftPreview) Chrome/W.X.Y.Z Safari/537.36
Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/W.X.Y.Z Mobile Safari/537.36  (compatible; MicrosoftPre

olragon

declare module 'meteor/matb33:collection-hooks' {
    import { Meteor } from "meteor/meteor"
    type TGlobalOptions = {
        all?: any
        insert?: any
        update?: any
        upsert?: any
        find?: any
        findOne?: any
        remove?: any