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bug#36838: mcron leaves zombies around
From: |
Maxim Cournoyer |
Subject: |
bug#36838: mcron leaves zombies around |
Date: |
Thu, 20 Jul 2023 09:19:06 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) |
Hi,
Maxim Cournoyer <maxim.cournoyer@gmail.com> writes:
> Hi Leo,
>
> Leo Prikler <leo.prikler@student.tugraz.at> writes:
>
>> Hi Maxim,
>>
>> I still have a defunct mcron flying around with a fairly standard Guix
>> configuration. The only service running through mcron seems to be
>> rottlog-service-type.
>
> If you have the energy/bandwidth, would you mind trying this patch here:
> https://lists.gnu.org/archive/html/bug-mcron/2021-08/msg00008.html; it
> may have positive side-effects in that regard, I believe.
>
> I've modified the mcron package to use a local checkout in my system
> config like so:
>
> @@ -2,7 +2,14 @@
> ;;; RAID-1c3 storage bay.
> (use-modules (gnu)
> (guix modules)
> - (srfi srfi-1))
> + (srfi srfi-1)
> + ;; for mcron experiment
> + (gnu packages autotools)
> + (gnu packages guile-xyz)
> + (gnu packages man)
> + (gnu packages texinfo)
> + (guix git)
> + (guix packages))
>
> (use-service-modules admin desktop docker linux mail mcron networking nfs nix
> spice ssh sysctl telephony virtualization vpn xorg)
> @@ -196,6 +203,15 @@
> (pam-limits-entry "@realtime" 'both 'memlock 'unlimited)))
> (service mcron-service-type
> (mcron-configuration
> + (mcron (package/inherit mcron
> + (source (git-checkout
> + (url "file:///home/maxim/src/mcron")))
> + (native-inputs (append
> + `(("autoconf" ,autoconf)
> + ("automake" ,automake)
> + ("help2man" ,help2man)
> + ("texinfo" ,texinfo))
> + (package-native-inputs mcron)))))
> (jobs (list duckdns-job
> backup-home-job
>
>
> The output is now annotated as:
>
> 2021-08-25T00:01:34
> /gnu/store/xcngj8vg5j8g54r3aqm71vbgsgrsjl31-rottlog-0.72.2/sbin/rottlog:
> mail: Cannot open mailer: No such file or directory
> 2021-08-25T00:01:34
> /gnu/store/xcngj8vg5j8g54r3aqm71vbgsgrsjl31-rottlog-0.72.2/sbin/rottlog:
> mail: cannot send message: No such file or directory
> 2021-08-25T00:01:34
> /gnu/store/xcngj8vg5j8g54r3aqm71vbgsgrsjl31-rottlog-0.72.2/sbin/rottlog:
> mail: Cannot open mailer: No such file or directory
> 2021-08-25T00:01:34
> /gnu/store/xcngj8vg5j8g54r3aqm71vbgsgrsjl31-rottlog-0.72.2/sbin/rottlog:
> mail: cannot send message: No such file or directory
> 2021-08-25T00:01:34
> /gnu/store/xcngj8vg5j8g54r3aqm71vbgsgrsjl31-rottlog-0.72.2/sbin/rottlog:
> mail: Cannot open mailer: No such file or directory
> 2021-08-25T00:01:34
> /gnu/store/xcngj8vg5j8g54r3aqm71vbgsgrsjl31-rottlog-0.72.2/sbin/rottlog:
> mail: cannot send message: No such file or directory
> 2021-08-25T00:01:34
> /gnu/store/xcngj8vg5j8g54r3aqm71vbgsgrsjl31-rottlog-0.72.2/sbin/rottlog:
> completed in 93.625s
> 2021-08-25T00:05:00 duckdns-update: running...
> 2021-08-25T00:05:01 duckdns-update: completed in 0.519s
>
> And I don't have any mcron zombie process lying around, unless I'm
> reading the ps output wrong.
It's been a while and I haven't seen this problem myself in all this
time; closing. Do reopen if you encounter it or better yet, have a
reproducer for it.
--
Thanks,
Maxim
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