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coffeekid
n00b
Joined: 03 Jun 2004
Posts: 49
Location: Salt Lake City, UT
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 Posted: Thu Mar 31, 2005 3:07 am Post subject: Permission Denied on /dev/null ? [SOLVED] |
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On a new system build, while emerging kde, i get the following error when emerging xorg.
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/usr/portage/eclass/x11.eclass: line 27: /dev/null: Permission denied
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anyone else seen this problem? How could root not have permission to /dev/null ??
I searched on the forums, and found some common issues using udev (which i am using) but no solution that fixes this.
Thanks in advance.
Last edited by coffeekid on Fri Apr 01, 2005 6:21 am; edited 1 time in total |
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coffeekid
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Joined: 03 Jun 2004
Posts: 49
Location: Salt Lake City, UT
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| Posted: Thu Mar 31, 2005 8:23 am Post subject: |
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Just a quick update..
I attempted to chmod 666 /dev/null and moved a little further in the install, but still seem to be having the same problem later. Is there some settings in my /etc/init.d/rc file that needs to be fixed? Here's the output of that:
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# /etc/conf.d/rc:
# $Header: /home/cvsroot/gentoo-src/rc-scripts/etc/conf.d/rc,v 1.13 2004/02/26 18:01:29 azarah Exp $
#
# Global config file for the Gentoo RC System
#
# NOTE: most of these are not in use yet!!
#
RC_DEVICES="udev"
# This is the amount of tty's used in most of the rc-scripts (like
# consolefont, numlock, etc
RC_TTY_NUMBER=11
# Set to "yes" if you want the rc system to try and start services
# in parallel for slight speed improvement.
RC_PARALLEL_STARTUP="no"
# Set to "yes" if the default behaviour of at least one net.*
# service starting beside net.lo is NOT enouth to consider
# the 'net' dependency up and running.
RC_NET_STRICT_CHECKING="no"
# Set to "yes" if you want to save /dev to a tarball on shutdown
# and restore it on startup. This is useful if you have a lot of
# custom device nodes that udev do not handle/know about.
# (ONLY used by UDEV enabled systems!)
RC_DEVICE_TARBALL="no"
# Set to "yes" if you want devfsd to start upon bootup. This is
# the default for Gentoo.
# Set to "no" only if you understand the full implications. A
# number of files may need to be altered (i.e. /etc/inittab,
# /etc/fstab, etc.).
# Also note that it does _NOT_ start for UDEV enabled systems,
# even if RC_DEVFSD_STARTUP="yes" ...
RC_DEVFSD_STARTUP="yes"
# Set to "yes" if stop-daemon() should always retry killing the
# service if it fails the first time.
RC_RETRY_KILL="yes"
# Set the amount of seconds stop-daemon() should wait between
# retries. $RC_RETRY_KILL should be set to "yes".
RC_RETRY_TIMEOUT=1
# Set the amount of times stop-daemon() should try to kill
# a service before giving up. $RC_RETRY_KILL should be set to "yes".
RC_RETRY_COUNT=5
# Set to "yes" if stop-daemon() should fail if the service
# is marked as started, but not actually running on stop.
RC_FAIL_ON_ZOMBIE="no"
#
# Internal configuration variables
#
# NB: These are for advanced users, and you should really
# know what you are doing before changing them!
#
# rc-scripts dep-cache directory
#
# NOTE: Do not remove the next line, as its needed by the baselayout ebuild!
#
# svcdir="/var/lib/init.d"
svcdir="/var/lib/init.d"
# Should we mount $svcdir as a tmpfs or ramfs for some speed
# increase for slower machines, or for the more extreme setups ?
svcmount="no"
# FS type that should be used for $svcdir. Note that you need
# $svcmount above set to "yes" for this to work ... Currently
# "tmpfs" and "ramfs" are supported, with "tmpfs" the default.
svcfstype="tmpfs"
# Size of $svcdir in KB
svcsize=2048
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The install menthod i used is here Bob P's great HOW-TO here: Stage 1/3 Installation - Gentoo 2005.0 & GCC 3.4.3
not 100% sure this is a udev issue, just kinda throwing this out there, since this seems to be a whole system permission screw up.
Thanks for any comments/help. |
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d4rkn0va
n00b
Joined: 07 Jan 2005
Posts: 22
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| Posted: Thu Mar 31, 2005 4:57 pm Post subject: |
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Similar problem here, but my installation (1on3, 2005.0) went fine and I can log in via root - instead my regular user-account doesn't have permissions for /dev/null.
Resulting problems are e.g. pypanel stops working, a/xterms won't show under X, console login works despite the "/dev/null: Permission denied" message.
Any ideas?
Edit: Forgot to mention, udev-version is 056, never had problems with 048 (before reinstall).
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d4rkn0va
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Joined: 07 Jan 2005
Posts: 22
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| Posted: Thu Mar 31, 2005 5:35 pm Post subject: |
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Followed some hints, checked /etc/udev/permissions.d/50-udev.permissions for /dev/null:
| Code: | | null:root:root:0666 |
Seems just fine, but /dev/null is still set to 0660 on startup.
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coffeekid
n00b
Joined: 03 Jun 2004
Posts: 49
Location: Salt Lake City, UT
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| Posted: Fri Apr 01, 2005 6:20 am Post subject: Solution: |
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doing what d4rkn0va did and the following worked for me (found this on the gentoo IRC channel).
edit /etc/udev/rules.d/50-udev.rules
add the line
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KERNEL="null", NAME="%k", MODE="0666"
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That seemed to fix the problem at startup as well, i don't know why this line was missing, as it's obviously important.
Thanks for all your help! Hope this helps you guys as well. |
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d4rkn0va
n00b
Joined: 07 Jan 2005
Posts: 22
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| Posted: Fri Apr 01, 2005 5:09 pm Post subject: |
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Maybe this line is only required in the most up-to-date version of udev..?
But why is nobody else having these problems?
Nevermind, hope it works now..
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AMD AthlonXP 3000+ @ 2,4GHz | 1 GB DDR-RAM | 2x160GB Samsung SATA (SoftRAID0)
=> gentoo 2.6.14-r1 | gcc-4.0.1 | gnome-2.12 [ stage 1 on 3 ] |
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Sade
Guru
Joined: 22 Mar 2005
Posts: 406
Location: Netherlands - Eindhoven
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| Posted: Mon Apr 11, 2005 5:55 pm Post subject: |
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I too used Bob_p's 2005.0 1on3 install, and got the permission denied as a user, not as root.
fixed the problem using both d4rkn0va's and coffeekid's methods.
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Gentree
Watchman
Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe
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| Posted: Mon Apr 11, 2005 9:34 pm Post subject: |
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i have all these :
| Code: | # memory devices
KERNEL="random", NAME="%k", MODE="0666"
KERNEL="urandom", NAME="%k", MODE="0444"
KERNEL="mem", NAME="%k", MODE="0640"
KERNEL="kmem", NAME="%k", MODE="0640"
KERNEL="port", NAME="%k", MODE="0640"
KERNEL="full", NAME="%k", MODE="0666"
KERNEL="null", NAME="%k", MODE="0666"
KERNEL="zero", NAME="%k", MODE="0666"
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If you dont have "null" do you have any of these?
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AthlonXP-M on A7N8X. Portage ~x86 |
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Sade
Guru
Joined: 22 Mar 2005
Posts: 406
Location: Netherlands - Eindhoven
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| Posted: Wed Apr 13, 2005 10:00 am Post subject: |
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i've read this Udev Priver that i found at the bottom of the gentoo udev guide
And it states clearly that u should edit the /etc/udev/rules.d/10-local.rules
And NOT edit the /etc/udev/rules.d/50-udev.rules.
the results are the same, but the 50-udev.rules are not meant to be edited.
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moocha
Watchman
Joined: 21 Oct 2003
Posts: 5722
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| Posted: Thu Apr 14, 2005 5:22 am Post subject: |
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The problem is not udev. This is a known Gentoo gcc / binutils bug that has been solved in gcc-3.4.3.20050110-r2. | /usr/portage/sys-devel/gcc/ChangeLog wrote: | | Code: | *gcc-3.4.3.20050110-r2 (08 Apr 2005)
08 Apr 2005; Mike Frysinger <vapier@gentoo.org>
+gcc-3.4.3.20050110-r2.ebuild:
Add fix for PR/16625 from upstream #88022 by Ed Catmur. Patch to prevent
/dev/null from being deleted #79836 by David Wood. |
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For more info see https://bugs.gentoo.org/show_bug.cgi?id=79836.
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Bob P
Advocate
Joined: 20 Oct 2004
Posts: 3355
Location: Jackass! Development Labs
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| Posted: Fri May 13, 2005 10:43 pm Post subject: |
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https://bugs.gentoo.org/show_bug.cgi?id=92333
now this is wierd. i just "upgraded" my stable branch box to udev-056 and as soon as i ran dispatch-conf, i started having the permission errors at logon, such as the infamous "-bash: /dev/null: Permission denied."
fwiw, there were no changes applied to the toolchain.
interestingly, the problem appears to have disappeared after a reboot. (!) 
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