Discuss October 2006

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296 discussions

DMA disabled on SATA disk with Core Duo/i955 machine (Inspiron 6400)
by first last 24 Oct '06

24 Oct '06

I am trying to use CentOS 4 on this machine and it does not allow me to set DMA to 1, it just says that it is not possible. I have tried updating to the latest release and it still won't work. I have searched for it on Google and there is a thread mentioning the same machine and CentOS, but none of the solutions (-p, -X 12) seem to work at all and there is no "it works!!!!!" message. Is there anyway I can get DMA working or will I have to wait for CentOS 5? Will any of the "unsupported" kernels work? (I would try Ubuntu's kernel on CentOS, as I am successfuly using that distribution, but it is a bit stupid not to use SELinux and it probably wouldn't work either). Thanks Gabriel Send instant messages to your online friends http://uk.messenger.yahoo.com

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RE: [CentOS] RHWAS rebuild efforts
by Bisbal, Prentice 24 Oct '06

24 Oct '06

You don't need a Red Hat subscription to get any SRPMs from RHEL. The GPL requires that they provide them for free. I believe that applies even th RHWAS, since that's still based on GPL'ed Linux code. You can get RHEL RPMs here ftp://ftp.redhat.com/pub/redhat/linux/enterprise/4/en/os/i386/SRPMS/ -- Prentice -----Original Message----- From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Greg Swallow - SkyNet Sent: Tuesday, October 24, 2006 1:36 PM To: 'CentOS mailing list' Subject: RE: [CentOS] RHWAS rebuild efforts jim bartus wrote: > Nothin? I can throw a fair amount of money at this. We're looking > for someone to commit to a turnaround window on the niche redhat > package groups (cluster suite and appserver for now) but deliver them > to the centos group/repositories, not to us. We're also looking for > someone to contract out the creation and maintenance of rpm's for our internal repo. Jim, I don't know if this discussion has been taken off-list, but why don't you just get this service (more specifically the Application Stack) from Redhat? As I understand it, all CentOS wants is someone with a RedHat subscription to provide to them the SRPMS which have a distributable license. The RedHat subscription for the application stack looks to be $1999 for one year - https://www.redhat.com/apps/commerce/cart.html?store_cart:add_item_cb=SVC023 9 Greg _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos The contents of this communication, including any attachments, may be confidential, privileged or otherwise protected from disclosure. They are intended solely for the use of the individual or entity to whom they are addressed. If you are not the intended recipient, please do not read, copy, use or disclose the contents of this communication. Please notify the sender immediately and delete the communication in its entirety.

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RE: [CentOS] RHWAS rebuild efforts
by William Hooper 24 Oct '06

24 Oct '06

Bisbal, Prentice wrote: > You don't need a Red Hat subscription to get any SRPMs from RHEL. The GPL > requires that they provide them for free. Read the GPL again. I requires them to provide them at a reasonable cost to people they distribute the binaries to. > I believe that applies even th > RHWAS, since that's still based on GPL'ed Linux code. Please read the beginning of the thread. http://lists.centos.org/pipermail/centos/2006-October/071437.html -- William Hooper

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RE: [CentOS] CentOS 3.8 Kernel Update with NVIDIA Video Card
by Bisbal, Prentice 24 Oct '06

24 Oct '06

-----Original Message----- From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Alfred von Campe Sent: Friday, October 20, 2006 10:43 PM To: CentOS mailing list Subject: Re: [CentOS] CentOS 3.8 Kernel Update with NVIDIA Video Card On Oct 20, 2006, at 22:22, Corwin Burgess wrote: > I can think of two ways to solve this problem but I'd rather have some > expert advice. What's the best way to boot with the new kernel, > install the nvidia driver and of course update the NVIDIA kernel > module? The following worked for me: 1. Download the latest driver packager from NVIDIA (e.g., NVIDIA- Linux-x86-1.0-8774-pkg1.run) 2. Boot the new kernel to run level 3 (or wait for it to fail to go to run level 5) 3. Log in as root and run ./NVIDIA-Linux-x86-1.0-8774-pkg1.run and answer the prompts Oh yeah, you will most likely need to have the kernel-devel RPM installed so that it can rebuild the kernel module for CentOS. Alfred _______________________________________________ You don't need to reinstall the lated NVIDIA driver every time you update your kernel. In fact, this will cause problems if you need to revert back to your old kernel. You just need to install a new kernel module compiled for that version of your kernel. If you install the entire driver package, you will be installing new versions of all the related libraries, too. Then if you revert to the earlier kernel, that kernel module be an earlier version that doesn't match the version of the newer libraries, and you'll have a similar problem. Then to fix this one, you'll have to install the earlier kernel sources to recompile the kernel module for that kernel... And so on, and so on... If you know you'll never revert to the earlier kernel, it's okay to just install the whole new driver package. If you might revert, it's better to learn how to install just the kernel module. I forget the exact syntax, but if you do 'man nvidia-installer', all the details are there. Even better, HP supplies the nvidia drivers as RPMS. These RPMS are for RHEL, and include a script /etc/init.d/nvconfig. At startup, this script checks to make sure that the current kernel has an nvidia module. If it doesn't find one, it installs just the kernel module, no fuss no muss. The HP RPMS are just the nvidia drivers repackaged into RPM form. I recommend either using those RPMs, or at least extracting the /etc/init.d/nvconfig script from the RPM and be done with it. That's what I did. Prentice The contents of this communication, including any attachments, may be confidential, privileged or otherwise protected from disclosure. They are intended solely for the use of the individual or entity to whom they are addressed. If you are not the intended recipient, please do not read, copy, use or disclose the contents of this communication. Please notify the sender immediately and delete the communication in its entirety.

3 2

IBM x305 slowdown?
by Chris Boyd 24 Oct '06

24 Oct '06

Hello: I have an odd problem with an IBM EServer XSeries 305 (aka x305). Sometimes it seems to just sit there, completely unresponsive to the command line (ssh and console), for several seconds. Other times it works normally. top will sometimes die with a floating point error while waiting for it to start. When top does work, it often shows a system load of 0.5, with high interrupt load. At first I though that the tg3 driver was not playing nicely, so I disabled the onboard NICs and installed a 3Com card. This seemed to clear up the problem, but it's now returned two days later. System is running CentOS 4.4, no X, Apache and MySQL. CPU is a P4 1.8GHz 512MB RAM 40GB ATA-100 disk Any suggestions on where to look next are appreciated. --Chris

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Re: BUG in fs/bio.c:99
by J.J. Garcia 24 Oct '06

24 Oct '06

El lun, 23-10-2006 a las 17:50 +0400, Kirill Korotaev escribió: > J.J. Garcia, > > the bug you face looks exactly like the ours one. > I thought it is memory corruption since %eax is 8, while should be 0. > (BTW, can you run memtest to make sure your memory is really ok? > http://wiki.openvz.org/Hardware_testing ), > but the fact that it is always 8 in yours and our case makes me believe > it is something else... > > If I provide some debugging patch for you, will you be able to apply it to your > kernel, rebuild it and test the issue? > > Your help is very much appreciated. > > Thanks, > Kirill > Sure i'll do my best, if you provide me the patch i can check it on the current host, it's not a very critycall host at the network and i think the bug is relevant to stop it for a while, I've started by installing memtest86+ in the related host following the next steps, for your info: <...> ============================================================================= Package Arch Version Repository Size ============================================================================= Installing: memtest86+ i386 1.26-2 base 53 k Transaction Summary ============================================================================= Install 1 Package(s) Update 0 Package(s) Remove 0 Package(s) Total download size: 53 k Is this ok [y/N]: y Downloading Packages: (1/1): memtest86+-1.26-2. 100% |=========================| 53 kB 00:00 Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Installing: memtest86+ ######################### [1/1] Installed: memtest86+.i386 0:1.26-2 Complete! [root@fattybox ~]# rpm -ql memtest86+ /boot/memtest86+-1.26 /sbin/new-memtest-pkg /usr/sbin/memtest-setup /usr/share/doc/memtest86+-1.26 /usr/share/doc/memtest86+-1.26/README [root@fattybox ~]# rpm -qi memtest86+ Name : memtest86+ Relocations: (not relocatable) Version : 1.26 Vendor: CentOS Release : 2 Build Date: lun 21 feb 2005 20:35:44 CET Install Date: lun 23 oct 2006 16:25:57 CEST Build Host: bhrama.build.karan.org Group : System Environment/Base Source RPM: memtest86 +-1.26-2.src.rpm Size : 123633 License: GPL Signature : DSA/SHA1, sáb 26 feb 2005 21:59:06 CET, Key ID a53d0bab443e1821 Packager : Karanbir Singh <kbsingh(a)centos.org> URL : http://www.memtest.org Summary : Stand-alone memory tester for x86 and x86-64 computers Description : Memtest86+ is a thorough stand-alone memory test for x86 and x86-64 architecture computers. BIOS based memory tests are only a quick check and often miss many of the failures that are detected by Memtest86+. Run 'memtest-setup' to add to your GRUB or lilo boot menu. root@fattybox ~]# Proceding with the install on boot, [root@fattybox ~]# memtest-setup Setup complete. Lead to /etc/grub.conf in the following way, i'll use it to launch the tests by the way: title Memtest86+ (1.26) root (hd0,0) kernel /memtest86+-1.26 ro root=/dev/VolGroup00/LogVol00 ACPI=off vga=0x307 selinux=0 Since here, memtest is running using default config, feel free 2 tell me 2 change the default params when running if you are looking for something you need, i'll leave it running for 48 hours looking for something strange in memory. I've to note that this host has shared memm for the graphics, iow, there's no graphic card but embedded one on mobo, it's a DFI CM33T3-100 mobo (CM33-TL) with up2date bios according dfi with a intel celeron running. I can't assure kingstom memories... but 22.0.2 worked fine with this hardware previously for long time (months, and year of uptime with heavy loads)... We'll keep on touch, Jose.

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Best backup software for linux
by Nathan 24 Oct '06

24 Oct '06

We are running backup softwares for incrementals/differentials and full backups with variouse softwares currently using dirvish scripts + amanda .. what is everyones views on other opensourced backup software? is there anything better or other options we have missed? We are looking at backula as an option? any thoughts? Thanks - Nathan - http://www.linuxcare.ca

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RE: [CentOS] Best backup software for linux
by Mark Schoonover 24 Oct '06

24 Oct '06

Barry Brimer wrote: >> Unless they've changed things since v4.x, I CAN'T reccomend Arkeia. >> They store the backup database on a local drive, and if you should >> loose that db, you'll have to manually scan all your tapes before >> you can retrieve any data. Yes, you can manually backup the db >> somewhere else, but you can't easily put it on tape. Sure, you could >> simply dump the contents of each tape to another system with >> Arkeia's CLI, but in my case, it was 24 hours per AIT3 tape! Since >> this was in a library, I had 9 tapes to get through. > > Are you familiar with Arkeia's DR module? > > Barry No, I think this came out in version 5, which by that time, I didn't want to have anything to do with Arkeia. Mark

1 0

python-interactive for CentOS/EL 4
by Will McDonald 24 Oct '06

24 Oct '06

Hi all, Could anyone point me in the right direction for a package that provides the 'interactive' module for Python? I need to do some SSH stuff in Python so I grabbed python-paramiko from RPMForge (as always, thanks Dag & co.). Paramiko appears to be dependent on python-crypto but the RPM doesn't require it.. [wmcdonald@willspc ssh]$ ./demo.py Traceback (most recent call last): File "./demo.py", line 33, in ? import paramiko File "/usr/lib/python2.3/site-packages/paramiko/__init__.py", line 69, in ? from transport import randpool, SecurityOptions, Transport File "/usr/lib/python2.3/site-packages/paramiko/transport.py", line 32, in ? from paramiko import util File "/usr/lib/python2.3/site-packages/paramiko/util.py", line 31, in ? from paramiko.common import * File "/usr/lib/python2.3/site-packages/paramiko/common.py", line 99, in ? from Crypto.Util.randpool import PersistentRandomPool, RandomPool ImportError: No module named Crypto.Util.randpool So I've grabbed python-crypto from RPMForge too and now I appear to need python-interactive or similar... [wmcdonald@willspc ssh]$ ./demo.py Traceback (most recent call last): File "./demo.py", line 34, in ? import interactive ImportError: No module named interactive The import causing the problem is... import paramiko import interactive And the code snippet where interactive is used is... chan = t.open_session() chan.get_pty() chan.invoke_shell() print '*** Here we go!' print interactive.interactive_shell(chan) chan.close() t.close() I've Googled a bit but "python", "module" and "interactive" generally return about a million results all relating to alternative interpreter/CLIs. This is all vanilla setup other than the RPMForge bits. [wmcdonald@willspc ssh]$ rpm -q python python-2.3.4-14.2 [wmcdonald@willspc ssh]$ rpm -q python-paramiko python-crypto python-paramiko-1.6.3-1.el4.rf python-crypto-2.0-1.2.el4.rf Will.

1 1

RE: [CentOS] Best backup software for linux
by Mark Schoonover 24 Oct '06

24 Oct '06

Barry Brimer wrote: >> We are running backup softwares for incrementals/differentials and >> full backups with variouse softwares currently using dirvish scripts >> + amanda .. what is everyones views on other opensourced backup >> software? is there anything better or other options we have missed? >> We are looking at backula as an option? any thoughts? > > I recommend Arkeia. <http://www.arkeia.com> > > Barry Unless they've changed things since v4.x, I CAN'T reccomend Arkeia. They store the backup database on a local drive, and if you should loose that db, you'll have to manually scan all your tapes before you can retrieve any data. Yes, you can manually backup the db somewhere else, but you can't easily put it on tape. Sure, you could simply dump the contents of each tape to another system with Arkeia's CLI, but in my case, it was 24 hours per AIT3 tape! Since this was in a library, I had 9 tapes to get through. The best backup arrangement I've used is rysnc to another system. I have it worked out in a very nice way to automate offsite storage to my colo. I never recommend Arkeia to anyone... Sorry to be such a stick-in-the-mud about it, but Arkeia let me down in a very severe manner, and I don't wish anyone else to suffer through the same problems I had. HTH Mark

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Discuss October 2006