dch / zfs deadlock

Last active 8 hours ago deadlock freebsd zfs

0 0 2

1	PID TID COMM TDNAME KSTACK
2	0 100000 kernel - mi_switch+0x198 sleepq_switch+0xec _sleep+0x278 mi_startup+0x270 virtdone+0x70
3	0 100131 kernel softirq_0 mi_switch+0x198 sleepq_switch+0xec msleep_spin_sbt+0x14c gtaskqueue_thread_loop+0xec fork_exit+0x80 fork_trampoline+0x18
4	0 100132 kernel softirq_1 mi_switch+0x198 sleepq_switch+0xec msleep_spin_sbt+0x14c gtaskqueue_thread_loop+0xec fork_exit+0x80 fork_trampoline+0x18
5	0 100133 kernel softirq_2 mi_switch+0x198 sleepq_switch+0xec msleep_spin_sbt+0x14c gtaskqueue_thread_loop+0xec fork_exit+0x80 fork_trampoline+0x18
6	0 100134 kernel softirq_3 mi_switch+0x198 sleepq_switch+0xec msleep_spin_sbt+0x14c gtaskqueue_thread_loop+0xec fork_exit+0x80 fork_trampoline+0x18
7	0 100135 kernel softirq_4 mi_switch+0x198 sleepq_switch+0xec msleep_spin_sbt+0x14c gtaskqueue_thread_loop+0xec fork_exit+0x80 fork_trampoline+0x18
8	0 100136 kernel softirq_5 mi_switch+0x198 sleepq_switch+0xec msleep_spin_sbt+0x14c gtaskqueue_thread_loop+0xec fork_exit+0x80 fork_trampoline+0x18
9	0 100137 kernel softirq_6 mi_switch+0x198 sleepq_switch+0xec msleep_spin_sbt+0x14c gtaskqueue_thread_loop+0xec fork_exit+0x80 fork_trampoline+0x18
10	0 100138 kernel softirq_7 mi_switch+0x198 sleepq_switch+0xec msleep_spin_sbt+0x14c gtaskqueue_thread_loop+0xec fork_exit+0x80 fork_trampoline+0x18

dch / wat-ldns

Last active 3 weeks ago

locale-dependent output

0 0 2

macOS

$ uname -a
Darwin tessier.local 25.5.0 Darwin Kernel Version 25.5.0: Tue Jun  9 22:27:52 PDT 2026; root:xnu-12377.121.10~1/RELEASE_ARM64_T8112 arm64

$ sh
sh-3.2$ cc -o wat wat.c $(ldns-config --cflags --libs) -I$(brew --prefix openssl@3)/include

sh-3.2$ LC_ALL=C ./wat

dch / .iex.exs

Last active 2 months ago

0 0 1

1	IEx.configure(
2	default_prompt:
3	[
4	# ANSI CHA, move cursor to column 1. Breaks stuff.
5	# "\e[G",
6	:light_green,
7	# plain string
8	"🧪 ",
9	:white,
10	:reset

dch / smart.yml

Last active 2 months ago

0 0 1

1	---
2	# an ansible role to install and configure smartmon tools for a daily check + email
3	# roles/smart/tasks/main.yml
4	- name: install smartmontools
5	pkgng:
6	state: present
7	name:
8	- sysutils/smartmontools
9	notify: restart smartd
10	tags: smart, pkg

dch / pkg-jail-bootstrap.md

Last active 2 months ago

0 0 1

we have an empty dir /tmp/ajail
our system ABI (version or architecture) is not the same as the required jail version
we want to use pkg base to bootstrap the jail, in the same way as untarring base.txz would

prep

root@wintermute /tmp# uname -a
FreeBSD wintermute.skunkwerks.at 16.0-CURRENT FreeBSD 16.0-CURRENT main-n284971-da663d5377a5 GENERIC amd64

dch / Makefile

Last active 2 months ago

use on FreeBSD arm64 to build a native npm-based tailwindcss CLI

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1	BASE?=$(HOME)/src
2	TAILWIND = $(BASE)/tailwind
3	LCSS = $(BASE)/lightningcss
4	NODE_ARCH != node -p "process.arch"
5
6	.PHONY: all clean deps
7
8	all: $(TAILWIND)/.cli-built
9
10	$(TAILWIND)/node_modules: $(TAILWIND)

dch / recon_to_file.exs

Last active 2 months ago

0 0 1

1	spawn(fn ->
2	log_file = "vm_top_processes.log"
3
4	loop = fn loop ->
5	timestamp = DateTime.utc_now() \|> DateTime.to_string()
6
7	top_cpu = :recon.proc_count(:redu, 5)
8	top_mailbox = :recon.proc_count(:message_queue_len, 5)
9
10	format_proc = fn {pid, value, info} ->

dch / ten64 dual 1G testing

Last active 2 months ago

0 0 2

testing in recovery mode on revD

doas cu -l /dev/cuaU0 -s 115200
Connected
INFO:    checksum 0x9c5886cb
INFO:    n_ranks 2
INFO:    rank_density 0x400000000
INFO:    capacity 0x800000000

dch / poudriere -> s3 sync

Last active 2 months ago

riff'd off gist.github.com/bdrewery/9438353

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1	#!/bin/sh
2	#
3	# Copyright (c) 2013-2014 Bryan Drewery <bdrewery@FreeBSD.org>
4	# Copyright (c) 2025 Dave Cottlehuber <dch@FreeBSD.org>
5
6	# All rights reserved.
7	#
8	# Redistribution and use in source and binary forms, with or without
9	# modification, are permitted provided that the following conditions
10	# are met:

dch / builder scripts

Last active 2 months ago

base system packages, don't forget to add filemon to your /etc/rc.conf kld_list

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1	#!/bin/sh -eu
2	export __MAKE_CONF=/dev/null
3
4	umask 0022
5	COMMIT=g$(git rev-parse --verify --short=7 HEAD)
6	NCPU=3.0
7	NOW=$(date -u +%Y%m%d-%H%M)
8	QUIET=' -s'
9	RELEASE=/usr/obj/usr/src/amd64.amd64/release
10	REVISION=$(sh ./sys/conf/newvers.sh -V REVISION \| egrep -o '1[0-9]+')