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dch

dch / poll and repair a specific dpaa2 interface

Last active 3 hours ago
0 0 1
1 #!/bin/sh
2 # dpaa2-linkfix -- detect and recover the dpaa2 "ni" internal link-state desync,
3 # and capture everything needed to find the actual defect.
4 # Workaround for FreeBSD bug 279352 ("dpaa2 (dpni0 device): interface goes
5 # catatonic periodically"). No upstream fix exists; PR open since 2024-05-27.
6 #
7 # dpaa2-linkfix event <ifname> called by devd on a link-state change
8 # dpaa2-linkfix poll <ifname> called by cron as a safety net
9 # dpaa2-linkfix dump <ifname> capture state only, change nothing
10 #
dch

dch / A popup that tells people to install an ad blocker

Last active 3 weeks ago
0 0 2

A simple one from https://sciops.net/

<div class="ftf-dma-note d-none ad native-ad native-ad-1 ytd-j yxd-j yxd-jd aff-content-col aff-inner-col aff-item-list ark-ad-message inplayer-ad inplayer_banners in_stream_banner trafficjunky-float-right dbanner preroll-blocker happy-inside-player blocker-notice blocker-overlay exo-horizontal ave-pl bottom-hor-block brs-block advboxemb wgAdBlockMessage glx-watermark-container overlay-advertising-new header-menu-bottom-ads rkads mdp-deblocker-wrapper amp-ad-inner imggif bloc-pub bloc-pub2 hor_banner aan_fake aan_fake__video-units rps_player_ads fints-block__row full-ave-pl full-bns-block vertbars video-brs player-bns-block wps-player__happy-inside gallery-bns-bl stream-item-widget adsbyrunactive happy-under-player adde_modal_detector adde_modal-overlay ninja-recommend-block aoa_overlay message" style="color: white; background-color: red; padding: 1em; text-align: center; border: 1px solid white; margin: 1em auto;"> <p>
WARNING:  you do not appear to be running an ad blocker!  <a href="https://ublockorigin.com" style="text-decoration: underline"> Click here to install one immediately</a>.
</p></div>

A much fancier one from: @rustydev
dch

dch / HAProxy ACME CloudFlare integration

Last active 3 weeks ago acme haproxy

See https://people.freebsd.org/~dch/posts/2026-10-08-haproxy-acme/ Modelled after https://github.com/haproxy/haproxy/blob/master/examples/lua/acme-gandi-livedns.lua

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1 -- ACME dns-01 automation via event_hdl callbacks using the Cloudflare DNS API
2 -- Requires HAProxy >= 3.5 (ACME_DEPLOY / ACME_NEWCERT lua events).
3 --
4 -- Supports CNAME delegation: if a domain maps to a delegated FQDN (e.g.
5 -- _acme-challenge.example.net CNAME <key>.example.org), TXT records
6 -- are written to the delegated target instead. The API token then only
7 -- needs Zone:DNS:Edit on example.org, never on the primary zones.
8 --
9 -- HAProxy Configuration:
10 --
dch

dch / Sup - visualise OTP supervision trees

Last active 4 weeks ago

sup is a fun elixir script to visualise OTP supervision trees in real time over a browser. Download, chmod and run it. Or just watch the video for funsies.

0 0 2
dch

dch / zfs deadlock

Last active 1 month 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