Slackware :: Kernel Supplying Strange Nodes And Symlinks On /dev
Aug 17, 2010
I use Slackware 13.0. I just upgraded from 2.6.32 to 2.6.35. On 2.6.35, the kernel supplying strange non-existant node like hda* and many symlink like cdr cdr0 cdrom cdrom0 etc. Well, i use libata and disable the old ATA driver, so my HDD should only be displayed as sd**. Also, i've checked all the udev rules, and i don't see any SYMLINK entries that would produce that cdr cdr0 links. My 2.6.32 and 2.6.35 config are identical. Everything were working normally on 2.6.32. Btw, i've tried to upgrade to 13.1. Then boot the standard huge.smp kernel. The same problem occured too. And with other problem i get with 13.1, i decided to downgrade to 13.0.
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Jan 26, 2010
I'm building an i7 based machine and I've been looking at kernel optimizations for it. One kernel option that I'm sketchy on and haven't been able to find a good resource for is for MAXIMUM NUMA NODES. The default is 6, but I'm not sure if this is best for my particular hardware or not and I'm not exactly sure what this is all about.
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Dec 31, 2008
I have the following strange thing with a RHEL4 installation. Since last week, the system did a reboot and now something is really fucked up. During boot we get the following messages (don't care about 'strange' typo's, my colleague typed it 'blind' from the screen)
Code:
The strange thing is that we never see a 'could not mount blabla' or similar messages. First we thought it was a failing kernel update by plesk, but even after manually updating the kernel with RHN RPM's, still the same message. Booting with rescue mode and then chroot the system works. After that we even can start things like plesk and so on.
We double checked things with another RHEL4 install, and at least two things were odd:
1: the working machine has /dev/dm-0 and /dev/dm-1, the broken one doesn't
2: some files on /dev didn't have group root, but 252
We tried to recreate the /dev/dm-X nodes with [vgmknodes -v], output:
Code:
A fdisk /dev/sda shows: /dev/sda2 XX XXX XXXXX Linux LVM (I removed the numbers because this line is from another machine, but rest was identical)
We have a copy of the boot partition so if one need more info please let me know.
grub.conf:
Code:
last part of init extracted from initrd-2.6.9-78.0.8.ELsmp.img:
Code:
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Dec 3, 2010
Are there any prerequisites which much be met in order for udev to create /dev/usb/hiddev* nodes?
I have two Slack 13.0 systems, each connected to a APC UPS via USB, one of which creates a hiddev0 node and the other doesn't. apcupsd can't find the UPS unless this node is present.
The "working" system has been stable in its current configuration for so long that I honestly can't remember if I had to tweak anything in this regard. I've verified that it doesn't use any local udev rules to create this node, and to the best of my knowledge there are no external scripts or processes which would create it either.
The non-working system has a similar configuration - no local rules and/or scripts which touch usb devices or nodes.
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May 22, 2011
I've a strange regression with Slackware 13.37 and Emacs. In Slackware 13.1 (and all previous versions since I started with Slackware 11), Emacs in X-windows looks good regardless of the window manager. I've attached a show of Emacs in Slackware 13.1 to show what I mean. Notice the nice logo and fonts. In Slackware 13.37, the logo is missing and the fonts are different in KDE (and Window Maker). The logo is back and the fonts look good in XFCE (and TWM). See the other attachments.
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Jul 7, 2011
I'm using Slackware64 with the KDE desktop. Sometimes, when I start KDE, I have a strange display bug that affects the background. Not a serious bug, only annoying. Here's a screenshot to get the idea: [URL] Usually, it's sufficient to logout and log back in to restore things to normal.
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May 13, 2011
My slackware 13.37 64 with 4 gig ram , has a strange thing in dolphin. My machine runs very well with kDE4.6.1 from alien and no other problems. When I copy files to a folder it does not show , I have to close dolphin and reopen to see those files. If I click on a compressed file and select extract folder here it does the same.
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Feb 28, 2011
The computer and system in question is the laptop from my description and openSUSE 11.3 with a different kernel from this repository :[URL]..free to move this thread if it should reside in the beta/prerelease forums section. The IMHO relevant information about my hardware and system is shown below.
The kernel I'm using :
Code:
grzes@opensuse:~> Linux opensuse.local 2.6.37.2-1-desktop #1 SMP PREEMPT 2011-02-25 19:59:41 +0100 i686 i686 i386 GNU/Linux
The hardware and drivers I'm using :
Code:
02:00.0 Network controller [0280]: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
[Code]...
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Jul 3, 2011
slack 13.37, firefox 14.0 shockwave/flash 10.3r181when i watch a ..... video, even if i close the tab after watching the video, there's a bizarre artifact left over where the video progress bar was. it alters text in other tabs, and alters pixels in pictures in other tabs where the bottom of the ..... viewing window was. when i close the kde session i get a quick glimpse of the video frame that was "left over" from .....
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Jan 25, 2011
I opened a thread on the general networking section of the forums to discuss about a problem I am experiencing with a newly installed slackware 13.1 (not 64b) on my dell laptop. Basically, the machine is not getting an IP from the dhcp server on my pfsense router. All other machines on my network are still getting IP's fine, and the pfsense box never changed. I can get an IP from the pfsense box by manually loging as root and using /etc/rc.d/rc.inet1 eth0 restart (note the argument eth0 necessary to get the ip).
User markush at the link below suggested I open this thread here, I think its a great idea since I believe it is a slackware problem. he also recommended to use tcpdump to diagnose the connection problem. Here's the results:
I issued the dhcp renewal commands in a terminal and monitored the output of tcpdump in a different terminal.
Code:
root@xpsm1730:/home/lpallard# /etc/rc.d/rc.inet1 restart
Polling for DHCP server on interface eth0:
dhcpcd: version 5.2.2 starting
dhcpcd: eth0: waiting for carrier
dhcpcd: timed out
[Code]....
I believe the router is fine since all other machines are all using slackware 13.1 (one slackware 32bit and the other slackeware 64) and are all handshaking perfectly with the pfsense box.
I also believe the kernel on the faulty machine is OK since I am using the very same kernel(2.6.37) on the machine running slack64 and this machine is also handshaking perfectly with my pfsense box.
Please see http://www.linuxquestions.org/questi...get-ip-857683/ for more details.
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Apr 30, 2011
I've getting strange build errors when using make-kpkg with the latest (2.6.39-rc5) vanilla kernel.I'm using the procedure outlined here:
https:[url]....e.g.:
Code:
make oldconfig CONCURRENCY_LEVEL=`getconf _NPROCESSORS_ONLN` fakeroot make-kpkg --initrd --append-to-version=-custom kernel_image kernel_headers
I'm getting the following build errors:
Code:
Building modules, stage 2.
MODPOST 3053 modules
WARNING: modpost: Found 60 section mismatch(es).To see full details build your kernel with:'make CONFIG_DEBUG_SECTION_MISMATCH=y'
CC arch/x86/crypto/aesni-intel.mod.o[code]....
There is even much more error output but it looks like it is basically the same issue.
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Jun 20, 2010
I installed a fresh copy of Slackware 13.1 (stable) on one of my media servers and I am experiencing something strange.... When I power up the machine, I see the kernel booting, no errors, until it gets to the point where it says:
And then randomly freeze there.... Well the machine is not totally frozen because the cursor still blinks. But it will never continue... Like I said, this happens on a random basis... After a reset, it might go through or simply stall at the same spot.
I remember after installing Slack 13.1, I rebooted the machine but forgot to remove the DVD from the player, so the install routine started up, and froze at the same point when it was loading the kernel for the setup programs...
My mobo is a MSI k9N platinum.
I never had this problem before.... (well I never used 13.1 before). Since I got this machine, I used slack 12.2 and slack 13-current with success.
This problem makes the machine extremely unreliable because I intent to use it as a backup and media server, so chances I will WOL the machine and use it remotely... if that happens.
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Jan 20, 2010
I have one machine where I have several versions installed on different partitions. The base partition (/dev/hda1) is Slack 12.1. On a spare partition (/dev/hdc4) I had installed Slackware64-current. Last week I slackpkg upgraded and installed the 2.6.32.2 kernel, and now that partition will not boot. I know that with the new kernels the hd* designation has been removed, and have already redone that fstab (accessing it from a different boot) to reflect the sd*. Here is the slack64 section of my lilo.conf:
Code:
# Linux bootable partition config begins
image = /other/spare4/boot/vmlinuz
[code]....
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Jan 13, 2011
it's possible to compile the 2.6.37 kernel patched with the autogroup patch on a Slackware 13.1 system running 2.6.33.4-smp with 2.6.33.4 headers? I just compiled and installed the 2.6.37-autogroup kernel from AUR on my ARCH setup and I like it especially when using firefox with lots of tabs open and other background apps also running. I did notice a speed and smothness difference in my ARCH testing setup with this kernel patch and I can get same results in 13.1??
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Jun 23, 2011
I'm trying to bring my Slackware system back to life as my XP HDD is dying... I've got everything working except for my audio. I got a new motherboard (ASRock P43DE3) and it has a VIA VT1708S as the onboard audio. Is there any way I can get this working without rebuilding the kernel?
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Jan 5, 2010
I updated my kernel in slackware current but can't install lilo, when i was with my old kernel it gave an error about not finding the sda drives (they were named hda before the upgrade).I booted into the slackware 13.0 dvd and modified fstab and lilo.conf replacing hda with sda but lilo still gives an error of not finding sda drives.How can i install lilo so i can boot into my sistem??
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Aug 21, 2010
I'm currently trying to install unRaid on Slackware following this tutorial :[URL].. I'm new to Linux and after many hours, i finally managed to build the new kernel for unRAID (2.6.32.9). But audio on HDMI port doesn't work I tried alsaconf without success. HDMI sound works when i boot into the old kernel.
My codecs are :
Code:
root@unraid:~# cat /proc/asound/Intel/code* | grep Codec
Codec: Realtek ALC888
Codec: Intel G45 DEVIBX
Code:
lspci -v:
[Code]...
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Jun 22, 2011
Fresh and Full install: Slackware 13.37 64-bit x86_64. What is the correct procedure to switch from huge kernel to 2.6.38.4 kernel?
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Mar 24, 2011
I would like to recompile my kernel to add few modules to it but I would like to keep my current configuration so as not to have troubles with missing drivers for my hardware and stuff.
How do I do that?
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May 26, 2010
I just got a new server dedicated running php5 and SUExec. I understand the concept. INstead of running as "nobody", PHP scripts run as the user of that website. This also means I don't have to have some special directory where I set permissions to 775 or 770 with group=nobody etc just to upload files via PHP .. since PHP will upload files just as the user would using FTP. OK, great so far, and more security, I'm all for it.
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Oct 18, 2010
Not sure what else to call it. My softlinks are not updating to reflect the parent/linked folder-files.
Code:
ln -s /folder/* /home/user/Music
This produces what I want. However, if I make any changes to /folder/, I dont see a reflected change in the links at /home/usr/Music.
A added plus would be to be able to use folder/file thumbnails from the source directory on the symlinks. Are sym links just shortcuts or are they real links to the directory (dynamic).
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Jun 17, 2010
I ise debian lenny on both server and nodes. Nodes are in sence of drbl drbl project.
So, my sendmail on server works well but on nodes in syslog i see:
Code:
Configuration of sendmail on server and nodes is same and it is:
Code:
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Oct 22, 2010
How to set the anchor node in NS2? How to define the channel propagation model as Log Normal Shadowing instead of two ray ground reflection model in NS2?
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Jul 12, 2011
I have a xml file and I read it within a php file with XML dom. This is the node structure of my xml file :
<Root><name></name>
<surname></surname>
<ID></ID>
<department></department>
[code]....
In the comment line, I've got the parent node of the current node. Parent node is "User" node. I would like to obtain the children of this parent node, say "name","surname " etc. How can I do this? Is there any function such as : "$parent_nodes->bringChildren('name')".
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Mar 10, 2010
I have a directory full of symlinks. I want to zip them as if there were the real files. If I just zip them as usual, the resulting zip file does not contain the files at all! Is there any way to do this?
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Aug 11, 2011
I'm wondering if there is a safe and reliable way of converting symlinks to directories to hardlinks? Basically I have a bunch of files in a directory tree under directory A, and I have in another directory B a set of symlinks to the original site. I would like all the files to end up in B and A to be empty. The links are all to directories, not to files, so the soft2hard script here won't work.
I don't have enough free diskspace to copy the files from A to B so I thought that converting the softlinks to hard links and then removing directory A would work? There are many directories, so would like to do it automatically if at all possible.
(In case anyone is intrigued, the issue is with my maildir directory. I used to use kmail, but with the move to kmail2 it became buggy and virtually unusable with large amounts of mail and I had to find another solution. I now use dovecot with gnus and mutt as MUA to access the maildirs. kmails maildirs are non-standard (!), so with the help of a script I found online, I created ~/dovecot and in it put symlinks to all the maldirs under ~/.kde/share/apps/kmail. The problem with this is if I accidentally start kmail it will try to access that directory and mess up all my tags, so I want to completely move all my mail from ~/.kde/share/apps/kmail to ~/dovecot, but without messing up all my tags etc.)
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Aug 19, 2011
When I access my OpenSUSE box's samba shares from another PC I am able to browse them, but am not able to follow symlinks.I've had the problem before on Ubuntu and fixed it by adding the following lines to my /etc/samba/smb.conf
unix extensions = No
wide links = Yes
follow symlinks = Yes
I've added them into my OpenSUSE smb.conf (below) but still no joy.
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Feb 8, 2010
I have the following share setup on my Ubuntu machine
# From /etc/fstab
//192.168.1.13/media /home/USER/SHARE/media cifs username=USERNAME,password=PASSWORD,_netdev,uid=USER,gid=users 0 0
[code]....
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Mar 2, 2010
I recently tried the package "pysdm" to mount a data partition but didn't care for the way it handled things so I opted for editing fstab which I'm much more satisfied with.I did then purge pysdem and it's config files but something lingered, finally I got things working by using a UUID designation in fstab but I know there's an old symlink to a /dev/sdb7 that has since been deleted and later recreated with a new UUID.
I have "googled" enough to find that the package "fslint" should be able to handle this but since one gui got me in trouble I'm reluctant to use another, I'd prefer just being able to find where symlinks live and ripping them out by the short hairs
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Mar 29, 2010
What is the syntax if you want to create a symlink to a resource on a mounted drive? am I missing something?
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