Devuan bug report logs -
#483
eudev: eudev sometimes fails to generate initial hotplug events
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Your message dated Fri, 06 Nov 2020 16:38:02 +0000
with message-id <1604680682.203644.8581.nullmailer@dak.ganeti1.devuan.org>
and subject line #483: fixed in src:eudev version 3.2.9-8
has caused the Devuan bug report #483,
regarding eudev: eudev sometimes fails to generate initial hotplug events
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.
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--
483: https://bugs.devuan.org/cgi/bugreport.cgi?bug=483
Devuan Bug Tracking System
Contact owner@bugs.devuan.org with problems
[Message part 2 (message/rfc822, inline)]
Package: eudev
Version: 3.2.7-6
Severity: normal
File: /etc/init.d/eudev
Dear Maintainer,
eudev sometimes fails to generate the initial hotplug events for one of
my systems. The symptoms are that many required kernel modules are
missing after boot (no sound, no 3-D acceleration).
The error is not determinstic. Sometimes the system boots up
successfully and everything works. Sometimes the system boots up and
essential kernel modules are missing.
Doing '/etc/init.d/eudev stop' followed by '/etc/init.d/eudev start'
corrects the issue (i.e. results in all modules being loaded). The
issue can also be corrected by manually running 'udevadm trigger
--action=add'.
The actual root cause seems to be a race condition in the
/etc/init.d/eudev startup script: The script first starts eudev via
start-stop-daemon, then calls 'udevadm trigger --action=add'.
On the system in question, after modifying the script, adding 'sleep 1s'
after start-stop-daemon, the startup now succeeded all the (two) times I
tried.
Note that the system in question runs from a root partition that resides
on a NBD-devices, so startup times of eudev may be very different from a
normal HDD-based system, thereby amplifying the likelhood of the race.
I have no clear idea how a proper fix for that race would look like.
Clearly 'start-stop-daemon --background' does NOT wait for the daemon to
be operational and looks like the wrong approach. Maybe running
start-stop-daemon without "--background" and depending on eudev's
"--daemon" option is better? Does eudev support using
start-stop-daemon's --notify-await command? Should we run 'udevadm
trigger' in a loop until it succeeds?
-- System Information:
Distributor ID: Debian
Description: Devuan GNU/Linux 3 (beowulf)
Release: 3
Codename: beowulf
Architecture: x86_64
Kernel: Linux 4.19.0-9-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)
LSM: AppArmor: enabled
Versions of packages eudev depends on:
ii adduser 3.118
ii debconf 1.5.71
ii libblkid1 2.33.1-0.1+devuan1~beowulf2
ii libc6 2.28-10
ii libeudev1 3.2.7-6
ii libkmod2 26-1
ii libselinux1 2.8-1+b1
ii lsb-base 10.2019051400
ii procps 2:3.3.15-2+devuan1
ii util-linux 2.33.1-0.1+devuan1~beowulf2
eudev recommends no packages.
eudev suggests no packages.
-- no debconf information
[Message part 3 (message/rfc822, inline)]
Version: 3.2.9-8
Source package eudev (3.2.9-8) added to Devuan suite unstable.
This closes bug report 483.
Thanks
DAK managing the Devuan archive
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Format: 1.8
Date: Wed, 04 Nov 2020 16:48:24 +0100
Source: eudev
Binary: eudev libeudev1 libeudev-dev eudev-udeb libeudev1-udeb
Architecture: source
Version: 3.2.9-8
Distribution: unstable
Urgency: medium
Maintainer: Devuan Dev Team <devuan-dev@lists.dyne.org>
Changed-By: Svante Signell <svante.signell@gmail.com>
Description:
eudev - /dev/ and hotplug management daemon
eudev-udeb - /dev/ and hotplug management daemon (udeb)
libeudev-dev - libeudev development files
libeudev1 - libeudev shared library
libeudev1-udeb - libeudev shared library (udeb)
Closes: 483
Changes:
eudev (3.2.9-8) unstable; urgency=medium
.
* debian/eudev.init:
- Fix startup with slow boot media like DVD and USB.
Thanks Trek <trek00@inbox.ru> for the patch (Closes: #483)
* debian/control: Fix Vcs-Git and Vcs-Browser entries.
* debian/watch: Use tags to find latest release.
* debian/rules:
- Use autogen.sh directly and remove target autoreconf.
- Use DEB_BUILD_MAINT_OPTIONS = hardening=+all instead of CFLAGS etc.
* debian/changelog: Fix spelling error in 3.2.7-2.
* .gitignore: Add emacs backup files *~.
.
* Fixed lintian warning/info entries:
.
* debian/patches: man_udev.xml.patch
Fixes: eudev: spelling-error-in-manpage
.
* debian/control:
Fixes: eudev source: rules-requires-root-missing,
out-of-date-standards-version (no changes),
binary-control-field-duplicates-source field "section" in package eudev,
binary-control-field-duplicates-source field "priority" in package
libeudev1 libeudev-dev eudev-udeb libeudev1-udeb,
xc-package-type-in-debian-control
.
* debian/rules:
Fixes: eudev: hardening-no-bindnow
.
* debian/tests: New directory. Contents: control, udev
Fixes: eudev source: testsuite-autopkgtest-missing
.
* debian/copyright:
Fixes: eudev source: insecure-copyright-format-uri,
wildcard-matches-nothing-in-dep5-copyright src/core/securebits.h,
unused-file-paragraph-in-dep5-copyright
.
* debian/compat: Remove
* debian/control: Replace build dependency on
debhelper (>=10) with debhelper-compat (=12)
Fixes: package-uses-old-debhelper-compat-version,
extended-description-is-probably-too-short: eudev, libeudev, libeudev-dev
.
* debian/eudev.pre{inst,rm},eudev.post{inst,rm}
Fixes: eudev: maintainer-script-without-set-e: pre{inst,rm}, post{inst,rm}
.
* debian/libeudev1.symbols: Don't include a libeudev1.symbols file to avoid:
symbols-file-contains-current-version-with-debian-revision.
Instead use an override for the warning: no-symbols-control-file.
.
* debian/source/lintian-overrides:
eudev source: source-contains-data-from-ieee-data-oui-db
eudev source: upstream-metadata-file-is-missing
eudev source: debian-watch-does-not-check-gpg-signature
.
* debian/eudev.lintian-overrides:
eudev: appstream-metadata-missing-modalias-provide
eudev: spelling-error-in-binary
eudev: improbable-bug-number-in-closes
eudev: conflicts-with-version udev (<< 1:3.2.9+devuan4)
# Unknown why
eudev: hardening-no-fortify-functions lib/udev/mtd_probe
.
* debian/libeudev1.lintian-overrides:
libeudev1: package-name-doesnt-match-sonames
libeudev1: improbable-bug-number-in-closes
libeudev1: conflicts-with-version libudev1 (<< 1:3.2.9+devuan4)
libeudev1: no-symbols-control-file lib/x86_64-linux-gnu/libudev.so.1.6.3
.
* debian/libeudev-dev.lintian-overrides:
libeudev-dev: improbable-bug-number-in-closes
libeudev-dev: conflicts-with-version libudev-dev (<< 1:3.2.9+devuan4)
.
* eudev-udeb.lintian-overrides:
# None of these overrides work: Why?
eudev-udeb udeb: hardening-no-fortify-functions lib/udev/mtd_probe
eudev-udeb udeb: spelling-error-in-binary bin/udevadm ressize resize
eudev-udeb udeb: spelling-error-in-binary sbin/udevd ressize resize
eudev-udeb udeb: debug-package-should-be-named-dbg usr/lib/debug/.dwz/
.
* libeudev1-udeb.lintian-overrides:
# This override does not work: Why?
libeudev1-udeb udeb: package-name-doesnt-match-sonames libudev1
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1714353a61e6ca1b2b5d4126c08448d4101c2e19 3398 eudev_3.2.9-8_source.buildinfo
Checksums-Sha256:
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d555e267c2543e9aa4323321bded4a904c11c5c7f392bc247fd7efe2dac69e21 62164 eudev_3.2.9-8.debian.tar.xz
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Files:
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b8a33e81ca64d2087591fc96f9740e65 62164 admin optional eudev_3.2.9-8.debian.tar.xz
e6c4054498bb40bc94776ae4eb9960dd 3398 admin optional eudev_3.2.9-8_source.buildinfo
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