Devuan bug report logs - #407
eudev preinst fails to detect availability of requisite kernel features

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From: "Devuan bug Tracking System" <owner@bugs.devuan.org>
To: KORN Andras <korn-debbugs@elan.rulez.org>
Subject: bug#407 closed by dak@devuan.org (#407: fixed in src:eudev
 version 3.2.9-10)
Message-ID: <handler.407.D407.16308822051599.notifdone@bugs.devuan.org>
References: <1630877365.273609.22283.nullmailer@dak.localnet.devuan.org>
 <20200311172403.oeprkzo6rz3volce@hellgate>
X-Devuan-PR-Message: they-closed 407
X-Devuan-PR-Package: eudev
X-Devuan-PR-Keywords: patch
Reply-To: 407@bugs.devuan.org
Date: Sun, 05 Sep 2021 22:52:07 +0000
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[Message part 1 (text/plain, inline)]

This is an automatic notification regarding your bug report
which was filed against the eudev package:

#407: eudev preinst fails to detect availability of requisite kernel features

It has been closed by dak@devuan.org.

Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact dak@devuan.org by
replying to this email.


-- 
407: https://bugs.devuan.org/cgi/bugreport.cgi?bug=407
Devuan Bug Tracking System
Contact owner@bugs.devuan.org with problems

[Message part 2 (message/rfc822, inline)]

From: dak@devuan.org

To: 407-done@bugs.devuan.org

Subject: #407: fixed in src:eudev version 3.2.9-10

Date: Sun, 05 Sep 2021 21:29:25 +0000

Version: 3.2.9-10

Source package eudev (3.2.9-10) added to Devuan suite unstable.

This closes bug report 407.

Thanks

DAK managing the Devuan archive

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Sat, 04 Sep 2021 13:05:24 +0200
Source: eudev
Architecture: source
Version: 3.2.9-10
Distribution: unstable
Urgency: high
Maintainer: Devuan Dev Team <devuan-dev@lists.dyne.org>
Changed-By: Svante Signell <svante.signell@gmail.com>
Closes: 407 598 600
Changes:
 eudev (3.2.9-10) unstable; urgency=high
 .
   * debian/eudev.maintscript: Remove. Fixes build with debhelper 13.5.
   * debian/changelog: Fix indentation and long lines.
   * debian/eudev.preinst: Fix detection of needed kernel features for
     recent kernels. (Closes: #407, #598)
   * debian/control: Remove dependency on debconf.
   * debian/eudev.postrm: Remove db_purge since we no longer use debconf.
     (Closes: #600)
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[Message part 3 (message/rfc822, inline)]

From: KORN Andras <korn-debbugs@elan.rulez.org>

To: Devuan Bug Tracking System <submit@bugs.devuan.org>

Subject: eudev preinst fails to detect availability of requisite kernel features

Date: Wed, 11 Mar 2020 18:24:03 +0100

Package: eudev
Version: 3.2.9-7
Severity: normal

Hi,

this code:

  if [ -e /proc/kallsyms ]; then

      local needed_symbols='inotify_init signalfd accept4 open_by_handle_at timerfd_create epoll_create'
      for symbol in $needed_symbols; do
      if ! egrep -q "^[a-fA-F0-9]+ T \.?sys_${symbol}$" /proc/kallsyms; then
          cat <<END
Since release 198, udev requires support for the following features in
the running kernel:

- inotify(2)            (CONFIG_INOTIFY_USER)
- signalfd(2)           (CONFIG_SIGNALFD)
- accept4(2)
- open_by_handle_at(2)  (CONFIG_FHANDLE)
- timerfd_create(2)     (CONFIG_TIMERFD)
- epoll_create(2)       (CONFIG_EPOLL)
END
          exit 1
      fi
      done
  fi

thought that my kernel was missing one of the required features, but in fact I have all of them:

ffffffffab1bd402 T __ia32_sys_inotify_init
ffffffffab1bd402 T __x64_sys_inotify_init
ffffffffab1c1554 T __x64_sys_signalfd
ffffffffab1c1562 T __ia32_sys_signalfd
ffffffffab1c15fb T __ia32_compat_sys_signalfd
ffffffffab1c160d T __x32_compat_sys_signalfd
ffffffffab473fc5 T __sys_accept4
ffffffffab474170 T __x64_sys_accept4
ffffffffab474188 T __ia32_sys_accept4
ffffffffab1d5118 T __ia32_sys_open_by_handle_at
ffffffffab1d512a T __ia32_compat_sys_open_by_handle_at
ffffffffab1d513a T __x32_compat_sys_open_by_handle_at
ffffffffab1d514b T __x64_sys_open_by_handle_at
ffffffffab1c1c84 T __x64_sys_timerfd_create
ffffffffab1c1c91 T __ia32_sys_timerfd_create
ffffffffab1c029d T __ia32_sys_epoll_create
ffffffffab1c02b4 T __x64_sys_epoll_create

The regex is wrong; it should probably be

      if ! egrep -q "^[a-fA-F0-9]+ T .*sys_${symbol}$" /proc/kallsyms; then

This is with a self-built 4.19.23 kernel, fwiw.

-- Package-specific info:

-- System Information:
Init: runit (via /run/runit.stopit)

Best regards,

András

Ps. Please Cc me explicitly if you reply.

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