The Debian package includes a patch to make runit shutdown when it receives SIGPWR (upstream ignores the signal). The patch, apart from reacting to a powerfailure event, is usefull when runit is used inside a container where SIGPWR is sent to initiate shutdown. I'm not happy with the current patch: it completely ignores the shutdown runit logic, which is signal + mode check on a flag file. Also, ignore the the signal or run a custom action are equally alternative valid options to a forced shutdown. The patch could be improved in one of the following way A) when SIGPWR is catch, check for a /etc/runit/pwrfail flag file, and ignore the signal if the file doesn't exists and it's not executable (this way the signal can be ignored) B) Use /etc/runit/pwrfail script that works in the same way of /etc/runit/ctrlaltdel (same as A, but allow for a custom action)
Hello, Bug #1016787 in runit reported by you has been fixed in the Git repository and is awaiting an upload. You can see the commit message below and you can check the diff of the fix at: https://salsa.debian.org/debian/runit/-/commit/3b6e0d2a6f955008b08310831a2cfdb94fcd1d2b ------------------------------------------------------------------------ d/patches: rework SIGPWR patch old patch forced runit to shutdown as SIGPWR was received; new one does uses a similar logic to the ctrl-alt-del block, testing (and running) the /etc/runit/pwrfail file. Compared to the ctrl-alt-del logic the patch has the following changes: * it adds the x bit to /etc/runit/stopit (if it exists) before forking for pwrfail (this imply that it defaults to shutdown if pwrfail script does nothing); * it tries to fork for pwrfail script only once, instead of a while loop with a sleep 5; getting stuck in a while loop in case fork fails can be conterproductive in case of power fail. This is the reason why the mode of /etc/runit/stopit is changed before forking. Compared to the previous one, with this patch the user can: - disable SIGPWR, for example by 'chmod -x /etc/runit/pwrfail' - reboot instead of shutdown, by removing the x bit on 'stopit' and adding it to 'reboot' (can be done in pwrfail script) - program an alternative or additional action in pwrfail script Closes: #1016787 ------------------------------------------------------------------------ (this message was generated automatically) -- Greetings https://bugs.debian.org/1016787
Hello, Bug #1016787 in runit reported by you has been fixed in the Git repository and is awaiting an upload. You can see the commit message below and you can check the diff of the fix at: https://salsa.debian.org/debian/runit/-/commit/1117f0f00801b9d9b194e0052d2ec52697898135 ------------------------------------------------------------------------ d/patches: rework SIGPWR patch old patch forced runit to shutdown as SIGPWR was received; new one does uses a similar logic to the ctrl-alt-del block, testing (and running) the /etc/runit/pwrfail file. Compared to the ctrl-alt-del logic the patch has the following changes: * it adds the x bit to /etc/runit/stopit (if it exists) before forking for pwrfail (this imply that it defaults to shutdown if pwrfail script does nothing); * it tries to fork for pwrfail script only once, instead of a while loop with a sleep 5; getting stuck in a while loop in case fork fails can be conterproductive in case of power fail. This is the reason why the mode of /etc/runit/stopit is changed before forking. Compared to the previous one, with this patch the user can: - disable SIGPWR, for example by 'chmod -x /etc/runit/pwrfail' - reboot instead of shutdown, by removing the x bit on 'stopit' and adding it to 'reboot' (can be done in pwrfail script) - program an alternative or additional action in pwrfail script Closes: #1016787 ------------------------------------------------------------------------ (this message was generated automatically) -- Greetings https://bugs.debian.org/1016787
We believe that the bug you reported is fixed in the latest version of
runit, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to 1016787@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Lorenzo Puliti <plorenzo@disroot.org> (supplier of updated runit package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Wed, 17 Sep 2025 22:59:44 +0200
Source: runit
Architecture: source
Version: 2.2.0-4
Distribution: unstable
Urgency: medium
Maintainer: Lorenzo Puliti <plorenzo@disroot.org>
Changed-By: Lorenzo Puliti <plorenzo@disroot.org>
Closes: 1016787
Changes:
runit (2.2.0-4) unstable; urgency=medium
.
* d/patches:
- allow runsvchdir to get working directory from env
- add patches from upstream devground branch
- rework SIGPWR patch (Closes: #1016787)
- refresh patch 0021 and 0025
* add a /etc/runit/pwrfail script to activate SIGPWR
* runsvchdir and update-service: move from /sbin to /bin
* cpsv:
- adapt 'p' for multi-instance services
- adapt 'p' for user services
- try to adapt 'd' for multi and user instances
- create supervise as directory for user services
- 's': map runit's {multi|user}-instances to systemd and
sysv conterparts
* update-service: adapt for user services
* sysv.override: map runit's multi instance default to sysv
* bash-completions:
- update 'sv' for user services/ non-root usage
- update 'update-service' for user services/ non-root usage
* temporary build with gcc-14
* NEWS for runit and runit-init users
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