Debian Bug report logs - #296975
installing udev on running system left me with a /dev/null that was not a device file

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Joey Hess <joeyh@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: installing udev on running system left me with a /dev/null that was not a device file

Date: Sat, 26 Feb 2005 00:34:44 -0500

Package: udev
Version: 0.053-1
Severity: grave

I installed gnome on a running system and this pulled in udev. After the
installation was complete, I noticed that /dev/null was not a device,
was only writable by root, and probably contained some output redirected from
some program that ran during the upgrade. Unfortunatly I did not think
to examine the contents before rebooting, so I don't know what program
wrote to it.

My guess is some kind of a race between udev moving the old /dev out of
the way and creating the new /dev/null device. Either some other program on
the system or a program running as part of the upgrade opened /dev/null
in between and ended up creating a regular file in it's place.

I've set the severity to grave because this did break the system pretty
badly, for non-root users, until I rebooted it.

FWIW, after the reboot, /dev/null was a proper device created by udev.

This seems somewhat similar to the bug described in #296776, but I did
have a lot of other devices in /dev.

-- Package-specific info:
-- /etc/udev/rules.d/:
/etc/udev/rules.d/:
total 0
lrwxrwxrwx  1 root root 19 Feb 25 23:01 cd-aliases.rules -> ../cd-aliases.rules
lrwxrwxrwx  1 root root 13 Feb 25 23:01 udev.rules -> ../udev.rules
lrwxrwxrwx  1 root root 12 Feb 25 22:51 z_hal-plugdev.rules -> ../hal.rules

-- /sys/:
/sys/block/dm-0/dev
/sys/block/dm-1/dev
/sys/block/dm-2/dev
/sys/block/dm-3/dev
/sys/block/dm-4/dev
/sys/block/fd0/dev
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/sys/class/sound/timer/dev

-- Kernel configuration:


-- System Information:
Debian Release: 3.1
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.6.8-2-686
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)

Versions of packages udev depends on:
ii  hotplug                  0.0.20040329-16 Linux Hotplug Scripts
ii  initscripts              2.86.ds1-1      Standard scripts needed for bootin
ii  libc6                    2.3.2.ds1-20    GNU C Library: Shared libraries an
ii  makedev                  2.3.1-75        Creates device files in /dev
ii  sed                      4.1.2-8         The GNU sed stream editor

-- no debconf information

-- 
see shy jo

Message #10 received at 296975@bugs.debian.org (full text, mbox, reply):

From: md@Linux.IT (Marco d'Itri)

To: Joey Hess <joeyh@debian.org>, 296975@bugs.debian.org

Subject: Re: Bug#296975: installing udev on running system left me with a /dev/null that was not a device file

Date: Sat, 26 Feb 2005 10:39:01 +0100

[Message part 1 (text/plain, inline)]

On Feb 26, Joey Hess <joeyh@debian.org> wrote:

> This seems somewhat similar to the bug described in #296776, but I did
It is.

-- 
ciao,
Marco

[signature.asc (application/pgp-signature, inline)]

Message #15 received at 296975-close@bugs.debian.org (full text, mbox, reply):

From: Marco d'Itri <md@linux.it>

To: 296975-close@bugs.debian.org

Subject: Bug#296975: fixed in udev 0.054-1

Date: Sun, 27 Feb 2005 06:47:29 -0500

Source: udev
Source-Version: 0.054-1

We believe that the bug you reported is fixed in the latest version of
udev, which is due to be installed in the Debian FTP archive:

udev_0.054-1.diff.gz
  to pool/main/u/udev/udev_0.054-1.diff.gz
udev_0.054-1.dsc
  to pool/main/u/udev/udev_0.054-1.dsc
udev_0.054-1_i386.deb
  to pool/main/u/udev/udev_0.054-1_i386.deb
udev_0.054.orig.tar.gz
  to pool/main/u/udev/udev_0.054.orig.tar.gz



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 296975@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Marco d'Itri <md@linux.it> (supplier of updated udev package)

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Format: 1.7
Date: Sat, 26 Feb 2005 13:41:16 +0100
Source: udev
Binary: udev udev-udeb
Architecture: source i386
Version: 0.054-1
Distribution: unstable
Urgency: high
Maintainer: Marco d'Itri <md@linux.it>
Changed-By: Marco d'Itri <md@linux.it>
Description: 
 udev       - /dev/ management daemon
Closes: 295087 295369 295634 296256 296276 296776 296975
Changes: 
 udev (0.054-1) unstable; urgency=high
 .
   * New upstream release.
   * Fix postinst to run udevstart on the right directory at install time.
     (Closes: #296776, #296975)
   * Use udevsend as the hotplug multiplexer and depend on hotplug
     >= 0.0.20040329-17 to be sure that it will not be changed back by
     its init script.
   * Raised the tmpfs default size to 10 MB, because Alpha has 8 KB pages.
     (Closes: #295087)
   * Added raid-devfs.sh to udev-udeb. (Closes: #295634)
   * devfs.rules, udev.rules: set group lp for raw parport and USB printer
     devices. (Closes: #296256, #296276)
   * Added an ide-model.sh init script to deal with partitions of Zip drives.
     (Closes: #295369)
Files: 
 60e222303b3f2c6853a64b24f12b1b0f 561 admin extra udev_0.054-1.dsc
 3ebe0fdd3f226ea3a068a096a5ac295b 360366 admin extra udev_0.054.orig.tar.gz
 baaa48c263fb656137c1f760501b8e47 26776 admin extra udev_0.054-1.diff.gz
 3d498f07c91c8ea7e2c86954819cd543 220926 admin extra udev_0.054-1_i386.deb

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