Discuss May 2008

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268 participants
281 discussions

RE: [CentOS] DVD reader: Hardware problem or OS glitch?
by Lanny Marcus 01 May '08

01 May '08

On 29 April 2008, "John" <jses2 ATgmail.com> wrote: >Message: 42 > Date: Tue, 29 Apr 2008 17:43:43 -0400 > Message-ID: <006901c8aa42$1a387450$0700a8c0 at ethan27> >Also please post you fstab and mtab files. It may be helpful in pointing out > the problem. Also have you run yum update on the machine? (fstab and mtab files posted previously) I ran "yum update". The box is now 100% up to date. The problem did not go away. On CentOS 5, the Teac DV-516D DVD/CD reader can mount a CD, without any problem. However, it sees a DVD as blank. On Windows XP, it works perfectly, with CD and DVD media. I sent an email to Teac Tech Support, asking for the URL where I could download their Diagnostics for the drive and got this reply: >Unfortunately, no diagnostics are available as checking the read capabilities within >Windows XP is most than acceptable. If the drive does not work properly within >Windows or any other PC, then the drive needs to be repaired or replaced. Disappointing and I will probably never purchase Teac components again. The box is dual boot (WinXP & CentOS 5). Years ago, I purchased SystemSuite 4. I installed that and ran their generic diagnostics on the Teac DVD/CD reader and it passed. I am not positive the Teac drive is working perfectly, but I have a high level of confidence in it. My belief is that somewhere, there is either no support for the Teac DV-516D in CentOS 5, or, that something required to automount a DVD in it is not configured properly. It can mount a CD without any problem.

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Re: [CentOS] DVD reader: Hardware problem or OS glitch?
by Lanny Marcus 01 May '08

01 May '08

On 01 May 2008, Alan Bartlett ajb.stxsl at googlemail.com wrote: > Thu May 1 12:45:38 UTC 2008 <snip> > > (a) The Teac DV-516D DVD/CD reader is not supported in this kernel or > > somewhere else in CentOS 5. or > > > > (b) The DVD/CD reader is somewhat faulty. > > > > (c) However, Windows XP shows it to be "OK" and I can see the contents > > of the FC6 install DVD OK, in Windoze. Also, I can boot from the CentOS5 > > and FC6 Install DVD's, without any problem. And, I was able to mount the > > FC6 Install DVD, in a terminal and install the RPM I wanted to install, > > without any problems. Thank you, very much, for your time and ideas! > > > Lanny - Thanks for the update. I would recommend, therefore, that you > replace the CD/DVD-ROM with a modern DVD writer that can cope with > CD-RW/DVD-RW/DVD+RW, etc, formats. When I refurbished this workstation, a > Dell OptiPlex GX1 (manufactured last quarter 1999 :-D ), I replaced its > original CD-ROM drive with a multi-format AOpen DVD/CD rewritable optical > drive, model no. DUW1616L and have had absolutely no problem with it at all. > I seem to recall it cost me UK£41-00. However once you've done the > conversion at the current exchange rate, I don't know if you will think that > is good value - or not. > > As for all mentions of Windoze, I would trust/believe that about as far as I > could spit into a high wind! Alan: Thank you for all of the ideas you've had in this thread! I strongly suspect that your idea of replacing the Teac CD/DVD-ROM with something else, is the only way to end this problem. My belief now is that there is no support to auto mount a DVD in that Teac drive, in CentOS 5. Probably, when it was my box and it worked OK, it was with a prior release of CentOS or Fedora Core and something has changed and the auto mount support for that drive (for DVD media) was removed. I rarely use Windoze, but it was very helpful, to be able to test the same CD/DVD-ROM drive and verify that it works perfectly under Windoze. I was able to mount the DVD in a terminal and install the RPM I wanted to install OK, so that also makes me believe the drive is OK. Lanny

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Re: [CentOS] OFF-TOPIC: Job opportunity in Augusta Georgia
by Lanny Marcus 01 May '08

01 May '08

On 30 April 2008, "Jim Perrin" <jperrin AT gmail.com> wrote: >Message: 4 >Message-ID: <302ce8b50804300708p793205d9rdf09e079f7b62ba7(a)mail.gmail.com> >WAY Off topic here, but if anyone's in the Augusta, Georgia area and >wants to work as a web developer(css, html, flash, php, photoshop and >the other usual goodies), we've got a job opening. >If you like abuse, long hours, low pay, and lots of stress, we have >the perfect job for you. You forgot to include the part about being able to walk on eggs, without breaking them! :-) Sounds like a very honest job description. If nobody on this ML is interested (and qualified) consider posting on http://www.dice.com/ Not sure what it would cost you to post the job requirement there, but it's a very active site. I discovered it last Saturday. My background is mostly Aerospace, and after not working for many years, I need to go back to work. I'm a contractor, and your job description partially describes what we encounter, when we go to a temporary job assignment: abuse & lots of stress. :-) However, we get paid by the hour and for O.T. :-)

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Re: [CentOS] DVD reader: Hardware problem or OS glitch?
by Lanny Marcus 01 May '08

01 May '08

On 29 April 2008, "Alan Bartlett" <ajb.stxsl at googlemail.com> wrote: > Message: 38 > Date: Tue, 29 Apr 2008 22:18:00 +0100 > From: "Alan Bartlett" <ajb.stxsl(a)googlemail.com> > Subject: Re: [CentOS] DVD reader: Hardware problem or OS glitch? > Message-ID: > <4e2e72e80804291418v5053fc45j4a56b111168e662b(a)mail.gmail.com> <snip> > Lanny or Bill - Sorry I'm loosing track. One of you has three boxes; > in boxes #1 & #2 the drives behaves as you want, in box #3 the drive > misbehaves. Have you tried the test of swapping the drives in - say - > boxes #2 & #3 and seeing if the problem moves with the optical drive > or stays with box, #3? Alan: Today, I removed the Teac DV-516D DVD/CD reader, manufactured October 2004, in Japan, from my daughters box. I temporarily hooked it up in my box. The exact same problem! I could not see the contents of a DVD-R, but, I was able to see the contents of my Knoppix Live CD, without any problem. So, I did not bother with the PITA of removing the DVD/CD reader from my box, and trying that one in my daughters box. I booted my daughters box with my Knoppix Live CD V. 5.1.1 and it also showed the FC6 Install DVD to be blank. I suspect: (a) The Teac DV-516D DVD/CD reader is not supported in this kernel or somewhere else in CentOS 5. or (b) The DVD/CD reader is somewhat faulty. (c) However, Windows XP shows it to be "OK" and I can see the contents of the FC6 install DVD OK, in Windoze. Also, I can boot from the CentOS5 and FC6 Install DVD's, without any problem. And, I was able to mount the FC6 Install DVD, in a terminal and install the RPM I wanted to install, without any problems. Thank you, very much, for your time and ideas! Lanny

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X just died then restarted
by fred smith 01 May '08

01 May '08

Just had a weird thing happen that I've never encountered before. Running Centos 5.x (updated) on 32-bit (Athlon XP). Was going along in Firefox when suddenly my screen went black and the hard drive light came on mostly steady for several seconds. After a little bit I got back the X login screen. It normally comes up on F7, but F7 was dead (with some text I'll paste in below in case it means anything to someone) and (since I have another dedicated app on F8) it came up on F9. The last few entries in /var/log/messages, which are about the right time, are: Apr 30 18:34:44 hostname restorecond: Will not restore a file with more than one hard link (/etc/resolv.conf) No such file or directory Apr 30 18:34:52 hostname kernel: NVRM: not using NVAGP, an AGPGART backend is loaded! Apr 30 18:35:10 hostname gconfd (username-32302): GConf server is not in use, shutting down. Apr 30 18:35:10 hostname gconfd (username-32302): Exiting Apr 30 18:36:59 hostname restorecond: Will not restore a file with more than one hard link (/etc/resolv.conf) No such file or directory Apr 30 18:37:22 hostname gconfd (username-8990): starting (version 2.14.0), pid 8990 user 'username' Apr 30 18:37:22 hostname gconfd (username-8990): Resolved address "xml:readonly:/etc/gconf/gconf.xml.mandatory" to a read-only configuration source at position 0 Apr 30 18:37:22 hostname gconfd (username-8990): Resolved address "xml:readwrite:/home/username/.gconf" to a writable configuration source at position 1 Apr 30 18:37:22 hostname gconfd (username-8990): Resolved address "xml:readonly:/etc/gconf/gconf.xml.defaults" to a read-only configuration source at position 2 Apr 30 18:37:27 hostname pcscd: winscard.c:219:SCardConnect() Reader E-Gate 0 0 Not Found Apr 30 18:37:27 hostname last message repeated 4 times Apr 30 18:37:30 hostname gconfd (username-8990): Resolved address "xml:readwrite:/home/username/.gconf" to a writable configuration source at position 0 and the stuff on the F7 screen is (hard to read and surely incomplete): b7913000-b7a52000 rw-p b7913000 00:00 0 b7a52000-b7a7c000 rw-s 00000000 00:08 192315392 /SYSV00000000 (deleted) b7a7c000-b7abc000 rw-s d3f90000 00:10 6900 /dev/nvidia0 b7abc000-b7ac0000 rw-s d0500000 00:10 6900 /dev/nvidia0 b7ac0000-b7fc0000 rw-s d0000000 00:10 6900 /dev/nvidia0 b7fc0000-b7fd0000 rw-s e4800000 00:10 6900 /dev/nvidia0 b7fd0000-b7fd4000 rw-p b7fd0000 00:00 0 b7fd4000-b7fd5000 rw-s e4682000 00:10 6900 /dev/nvidia0 b7fd5000-b7fd6000 rw-s e4680000 00:10 6900 /dev/nvidia0 b7fd6000-b7fde000 rw-s 240bb000 00:10 6900 /dev/nvidia0 b7fde000-b7fdf000 rw-s 1dc43000 00:10 6900 /dev/nvidia0 b7fdf000-b7fef000 rw-s 24730000 00:10 6900 /dev/nvidia0 bf864000-bf87f000 rwxp bf864000 00:00 0 [stack] bf87f000-bf881000 rw-p bf87f000 00:00 0 So since the stuff from /var/log/messages mentions agpgart and this stuff from F7 mentions /dev/nvidia, I'm guessing the nvidia drivers had some kind of brain fart (:) ?? FWIW, I'm running the Nvidia 96.43.01 drivers, direct from Nvidia and not any repository. Any ideas? Thanks! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- "Not everyone who says to me, 'Lord, Lord,' will enter the kingdom of heaven, but only he who does the will of my Father who is in heaven." ------------------------------ Matthew 7:21 (niv) -----------------------------

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RE: [CentOS] DVD reader: Hardware problem or OS glitch?
by Lanny Marcus 01 May '08

01 May '08

On 29 April 2008, Alan Bartlett" <ajb.stxs AT googlemail.com> wrote: >Message: 38 > <4e2e72e80804291418v5053fc45j4a56b111168e662b(a)mail.gmail.com> <snip> > However, if you're using Gnome then please have a look at System --> > Preferences --> Removable Drives and Media >I know that there is a difference in the automount of a data CD/DVD when the >user is root (basically it doesn't, you would have to right-click on the >icon and select mount manually) and when the user is a normal user >(automount err automounts). I use GNOME 99% of the time, but KDE is also installed and the problem is the same, with either Desktop. System > Preferences > Removable Drives and Media shows: The top three (3) boxes are checked, for Removable Storage

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determining correct size for LV copy operations
by Kai Schaetzl 01 May '08

01 May '08

I have some problems with copying LV volumes and determining correct size. For instance, if I want to copy an LV from one machine to another. I dd the LV to a file on the other machine, then dd the file to the new LV. That fails, because a few MB are missing. source: LV Name /dev/VolGroup01/LogVol01 LV Size 4.62 GB target: LV Name /dev/xenvm/lvmtest1 LV Size 4.62 GB Both were created with lvcreate -L 4.62GB, but there's obviously a small rounding or whatever difference. The size of the physical extents seems to be different. I can determine the size of the output file -rw-r--r-- 1 root root 4966055936 Apr 30 21:19 lvmtest1.img That is 4849664K which is the smallest size unit that lvcreate accepts. lvcreate -L 4849664K --name lvmtest1 xenvm - and then it fits. But I hope there's a better way to determine the *exact* size? Kai -- Kai Schätzl, Berlin, Germany Get your web at Conactive Internet Services: http://www.conactive.com

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CentOS 4.5 - mounting remote windows fileserver using smb or cifs
by Tom Brown 01 May '08

01 May '08

Hi I need to mount a windows share on a CentOS 4.5 box running stock kernel etc - I have tried using cifs and also smbfs My fstab looks like //share/name /mount/point smbfs username=user,password=password,uid=useridhere 0 0 or the same using cifs When i try and mount that i get the following errors depending on the share type smbfs: mount_data version 1919251317 is not supported CIFS VFS: cifs_mount failed w/return code = -22 i would have thought that cifs was the way forward but any ideas? These use creds are being used on an ancient 7.3 box and they work fine thanks

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Boot disk changes from /dev/sda during install to /dev/sdb on first boot
by Jeff Larsen 30 Apr '08

30 Apr '08

CentOS 4.6 x86_64, Dell PE2950 with DRAC5, onboard SAS RAID 1, 2 arrays. After booting installed system, /dev/sda exists but does not appear to be a hard disk. fdisk -l displays nothing for sda. CentOS is on /dev/sdb and the second RAID 1 array is now /dev/sdc. It's been suggested (in the Dell Linux mailing list) that it is related to the virtual CD device of the DRAC. But why would it change after install? Is it perhaps a difference in drivers that are available in the installer vs. the live kernel? How can I find out what /dev/sda is? Any way to force the drive order from the CentOS side? No relevant options that I have found in BIOS or RAID setup. bash-3.00# ls -l /dev/sd* brw-rw---- 1 root disk 8, 0 Apr 29 05:15 /dev/sda brw-rw---- 1 root disk 8, 16 Apr 29 05:15 /dev/sdb brw-rw---- 1 root disk 8, 17 Apr 29 05:15 /dev/sdb1 brw-rw---- 1 root disk 8, 18 Apr 29 05:15 /dev/sdb2 brw-rw---- 1 root disk 8, 19 Apr 29 05:15 /dev/sdb3 brw-rw---- 1 root disk 8, 32 Apr 29 05:15 /dev/sdc /dev/cdrom points at /dev/hda mount /dev/sda /mnt yeilds 'No medium found' When virtual CD media is connected via DRAC, it is found at /dev/cdrom1 which links to /dev/scd0 -- Jeff

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kickstart question
by Jerry Geis 30 Apr '08

30 Apr '08

I have a couple lines like: part / --ondisk=sda --fstype ext3 --size=20000 --asprimary part swap --ondisk=sda --size=4000 --asprimary part /home --ondisk=sda --fstype ext3 --size=1 --asprimary --grow in my kickstart file. Is there a way to have 1 kickstart file that works for hda and sda both??? So I would like to have 1 kickstart file that works for either a hda install or sda install. Thanks, Jerry

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Discuss May 2008