Discuss February 2007

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259 participants
310 discussions

Changed: Digital Audio (Jay Leafey) - Was: [CentOS] Jumping from FC2
by Lanny Marcus 27 Feb '07

27 Feb '07

Message: 17 Date: Sun, 25 Feb 2007 18:32:04 -0600 From: Jay Leafey <jay.leafey(a)mindless.com> Subject: Re: [CentOS] Jumping from FC To: CentOS mailing list <centos(a)centos.org> Message-ID: <45E22A84.2000601(a)mindless.com> Content-Type: text/plain; charset="iso-8859-1" >I may be wrong, but I think this has more to do with the CD player >application you are using rather than the kernel. You are correct! I didn't know that before, but, I know it now! :-) >I later started using xmms instead because it DOES do digital audio >using just the IDE cable. A big thank you! Of the various audio players installed, xmms is the only one not intuitively obvious to me. I spent a few minutes this morning and I got it to work! :-) Now, if I can find an RPM for the xmms Output Plugin for MP3 that works in CentOS 4.4, that will enable me to convert selected tracks to mp3 and use them in my cell phone. >Hope that helps! It did! :-) Thanks much!

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How to enable yum at startup with yum 2.9
by Indunil Jayasooriya 27 Feb '07

27 Feb '07

Hi all, I updated yum 2.4 to yum 2.9 from ATRPMS by using yum as below. yum update yum I now have yum 2.9. pls see yum ver below [root@mailgw yum]# rpm -qa |grep yum yum-2.9.4-74.el4.at yum-metadata-parser-1.0-7.1_1.el4.at Before that (i.e when I was running yum 2.4), I could enable yum at startup as below chkconfig yum on and I was also able to start/stop/restart yum as below. /etc/init.d/yum restart. I also had a crontab at /etc/cron.daily/yum.cron for updates as below. cat /etc/cron.daily/yum.cron #!/bin/sh if [ -f /var/lock/subsys/yum ]; then /usr/bin/yum -R 120 -e 0 -d 0 -y update yum /usr/bin/yum -R 10 -e 0 -d 0 -y shell /etc/yum/yum-daily.yum fi But, Since I updated yum to 2.9, All those are gone. Now I want to know that how to enable, restart yum. And also I want ot know should I write a crontab for my daily updtaes? Help needed. -- Thank you Indunil Jayasooriya

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About ISP sniffing, trying to undertstand
by devel 27 Feb '07

27 Feb '07

Hello, I am trying to understand how Tor protect to ISP sniffing in proxy. I suppose this steps: 1) Dowload Tor software, software should signed or downloaded from SSL site. 2) Computer software verify that software is not modified, and install it. 3) Vidalia starts tunnel, At this point how keys are exchanged? ... -- -- Devel in Precio http://www.pas-world.com

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Kernel panic kickstarting to CentOS 4
by Cynthia Kiser 27 Feb '07

27 Feb '07

I have an older server I am trying to update to CentOS 4.3 but I can't get to the installer screen because the machine kernel panics when booted from the install CD. The error message I get is: Kernel panic - not syncing: include/linux/smp_lock.h:25 spin_unlock(kernel/sched.c:c035) not locked The boot messages before this point are mainly to do with acpi including: acpi_ps_parse_anl acpi_?s_one_complete ... acpi_early_init start_kernel Kernel panic .... At a guess, I tried starting the installer with the options: linux text acpi=off noprobe I am not really clear on what part of the boot process is failing so I tried a number of random boot options including apm=off, noapic, apic, nomce. Nothing I tried change the error. (I also tried installing RHEL 4 but I got the same failure with less informative error reporting: Kernel panic - not syncing: Attempted to kill the idle task!) I also tried changing my BIOS options - changing the interupt mode from APIC to PIC which, if I understand the manual correctly, seems to be AMIBIOS's version of turning off Plug and Play. Same error. Can anyone tell me what sort of thing is going wrong? Is the smp_lock.h stuff for dual processors? The motherboard I have would support 2 processors, but I only have one installed so don't see why I am in SMP code. Is there something I can do to get CentOS 4 to install? The only thing I can think of I haven't tried is to update the BIOS - mostly because the instructions are not very well translated so I am not completely sure how to use the Dual BIOS feature to roll back if the new BIOS version creates more problems than it solves. Hardware: Motherboard is a Gigabyte GA-7VRXP http://www.gigabyte.com.tw/Products/Motherboard/Products_Spec.aspx?ClassVal… CPU is a single AMD XP2100+ Disk is a normal IDE Maxtor Memory 3 G of DDR SDRAM I can install CentOS 3.8 on this machine just fine, but I would like to move to CentOS 4 because that is what my beefier database machines are running (or will when I get the rest of them upgraded). Thanks for any help folks can give me. -- Cynthia Kiser

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Streaming Media Server
by Alexander Lopez 27 Feb '07

27 Feb '07

Hi... I want to sett up a streaming media server, but I don't what use. You can help with some. Thanks.

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IBM x305 slowdown?
by Thuong Le 27 Feb '07

27 Feb '07

Chris Boyd wrote: >>* Have not tried that. The amount of memory appears to be correct, and no *>>* processes are dying in other core dumps (though top may be touching a *>*> memory structure that's in bad hardware). * >Do you have the asmi management stuff on that server? You should install >the driver for it or try to disable it in the BIOS. With no driver and >an active card, strange things can happen when the card borrow the CPU. >-- >//Morten Torstensen >//Email: morten at mortent.org <http://lists.centos.org/mailman/listinfo/centos> >//IM: Cartoon at jabber.no <http://lists.centos.org/mailman/listinfo/centos> morten.torstensen at gmail.com <http://lists.centos.org/mailman/listinfo/centos> To Chris Boyd, I also get the nearly same problem, CentOS 4.4 running on ThinkCentre (P4 2.8GH, 512RAM, 40GB HDD) slow down after several hours. I tested on 3 IBM PCs with the same configuration so I think something's wrong b/w IBM hardware and CentOS Have you fixed your problem? Cheers, Thuong

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RE: [CentOS] USB flash drive stopped working properly....
by Mark Hull-Richter 27 Feb '07

27 Feb '07

I left out part of this (that I did after sending the message). Apparently the problem isn't so much the flash drive as what happens when the icon on the gnome desktop doesn't go away - it refuses to be removed. I can manually mount the flash drive to its proper mount point, and access it through the icon, but when I unmount it, the icon doesn't go away, and after that, until/unless I manually remount the drive again, the icon doesn't work (and won't unmount - duh!). Now I'm not sure if this is a gnome issue or a CentOS issue. If I log out and log back in, the icon still doesn't go away (implicating the OS), but when I reboot, all is well again, for a while.... Thanks. PS: John, the drive was not actually mounted when this happened, so a dd would not work, either - it didn't even matter if the drive was plugged in or not - the icon was there and unusable/misbehavin'. Thanks. > -----Original Message----- > From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On > Behalf Of John Summerfield > Sent: Monday, February 26, 2007 2:25 PM > To: CentOS mailing list > Subject: Re: [CentOS] USB flash drive stopped working properly.... > > > Next time, > dd if=/dev/sda count=1 | xxd | less > > I don't propose to decode the partition table (I could, but it would > take me longer than I'd do free), but I suspect that the invalid > partition table will be clearly wrong, maybe all binary zeros. > > To see what a good partition table looks like, dump /dev/hda or some > other. > > The important stuff is here: > > 00001b0: 0000 0000 0000 0000 39cb 0200 0000 0001 ........9....... > 00001c0: 0100 83fe 3f02 3f00 0000 04bc 0000 8000 ....?.?......... > 00001d0: 0103 06fe 3f04 43bc 0000 827d 0000 0000 ....?.C....}.... > 00001e0: 0105 83fe ffff c539 0100 3f14 a804 00fe .......9..?..... > 00001f0: ffff 05fe ffff 044e a904 00a6 5009 55aa .......N....P.U. > > and the 55aa at the end is crucial: if that's not 55aa, nothing else > matters. > > btw I suggest using dd to take a full copy while it's working. If > necessary, you can play with parted, extract the bits and gain an > education later. >

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RE: [CentOS] USB flash drive stopped working properly....
by Mark Hull-Richter 26 Feb '07

26 Feb '07

I threw out the U3 stuff as soon as I tried to use it - it didn't work (under Windows) and I had no use for it anyway. But, thanks! > -----Original Message----- > From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On > Behalf Of Ralph Angenendt > Sent: Monday, February 26, 2007 2:26 PM > To: centos(a)centos.org > Subject: Re: [CentOS] USB flash drive stopped working properly.... > > Is this U3 stick password protected in some way? Can you try to mount > /dev/sdb as a cdrom device? Like "mount -t iso9660 /dev/sdb/ > /mnt/mountpoint" (mkdir /mnt/mountpoint first)? > > If so: Congratulations, you bought yourself windows hardware. > > Ralph > -- > Ralph Angenendt......ra(a)br-online.de | .."Text processing has made it > possible > Bayerischer Rundfunk...80300 München | ....to right-justify any idea, even > one > Programmbereich.Bayern 3, Jugend und | .which cannot be justified on any > other > Multimedia.........Tl:089.5900.16023 | ..........grounds." -- J. Finnegan, > USC

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RE: [CentOS] USB flash drive stopped working properly....
by Mark Hull-Richter 26 Feb '07

26 Feb '07

It happened again - the directory comes up as blank, and the icon for the flash drive won't unmount. Here's what I get in /var/log/messages: Feb 26 12:43:46 localhost kernel: usb 1-8: new high speed USB device using address 15 Feb 26 12:43:46 localhost kernel: scsi13 : SCSI emulation for USB Mass Storage devices Feb 26 12:43:46 localhost kernel: Vendor: SanDisk Model: U3 Titanium Rev: 2.18 Feb 26 12:43:46 localhost kernel: Type: Direct-Access ANSI SCSI revision: 02 Feb 26 12:43:46 localhost kernel: SCSI device sdb: 4013713 512-byte hdwr sectors (2055 MB) Feb 26 12:43:46 localhost kernel: sdb: Write Protect is off Feb 26 12:43:46 localhost kernel: sdb: assuming drive cache: write through Feb 26 12:43:46 localhost kernel: SCSI device sdb: 4013713 512-byte hdwr sectors (2055 MB) Feb 26 12:43:46 localhost kernel: sdb: Write Protect is off Feb 26 12:43:46 localhost kernel: sdb: assuming drive cache: write through Feb 26 12:43:46 localhost kernel: sdb: unknown partition table Feb 26 12:43:46 localhost kernel: Attached scsi removable disk sdb at scsi13, channel 0, id 0, lun 0 Feb 26 12:43:46 localhost scsi.agent[10634]: disk at /devices/pci0000:00/0000:00:1d.7/usb1/1-8/1-8:1.0/host13/target13:0:0/13 :0:0:0 Feb 26 12:43:47 localhost fstab-sync[10710]: added mount point /media/MHRTITAN for /dev/sdb It seems that the partition table is not being recognized.... It mounts fine on my Windows XP under VMWare on the same machine. > -----Original Message----- > From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On > Behalf Of Ralph Angenendt > Sent: Sunday, February 25, 2007 3:31 AM > To: centos(a)centos.org > Subject: Re: [CentOS] USB flash drive stopped working properly.... > > Mark Hull-Richter wrote: > > Is there some time limit on how long a USB flash drive will work in > > CentOS or is this a bug or ? ? ? > > Actual error messages (dmesg or /var/log/messages) really would be > better for identifying the problem then telling us who made the stick :) > > Cheers, > > Ralph

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RE: [CentOS] USB flash drive stopped working properly....
by Mark Hull-Richter 26 Feb '07

26 Feb '07

> -----Original Message----- > From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On > Behalf Of Ralph Angenendt > Sent: Sunday, February 25, 2007 3:31 AM > To: centos(a)centos.org > Subject: Re: [CentOS] USB flash drive stopped working properly.... > > Actual error messages (dmesg or /var/log/messages) really would be > better for identifying the problem then telling us who made the stick :) > Good point - if it happens again, I'll remember that. Thanks.

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Discuss February 2007