Thanks Chris and Andrew for the suggestions/directions.

I now notice fglrx-x11-drv-12.4-1.el6.elrepo.i686.rpm driver does not seem to 
detect the card. Will consider a proprietary driver I googled (e.g., 
amd-driver-installer-12-2-x86.x86_64.run) later, when I'm more stable to look 
at the issue. (Unfortunately, I am not in a position to investigate the display 
 behaviour.)

At the same time, I'm inclined to thinking we have a linux software driver 
problem, as I noticed the machine (fan) was quieter under its Windows 7 
partition. Also, the boot time seems faster, after I did the file system 
repairs under chroot *and* uninstalled the fglrx* driver.


Once again, thanks for the assistance.

William.




>________________________________
> From: Chris Schanzle <schan...@nist.gov>
>To: William Shu <ws...@yahoo.com> 
>Sent: Wednesday, November 21, 2012 1:27 AM
>Subject: Re: WG: Black Display Screen Problem & Getting Paraview to work
> 
>Just an (offline) thought-booting off the cd means you were not using the ati 
>kernel drivers, so I would look into that issue really hard when booting off 
>the kernel on the disk.
>
>
>On 11/20/2012 10:41 AM, William Shu wrote:
>> Peter, Andrew,
>> Thanks for the suggestions.
>>
>> Peter, the machine is an HP ProBook 4720s Laptop that I use as a sort of 
>> "mobile desktop", and I do not have access to its internals. Besides being 
>> the only machine I can work on now, I cannot tinker with its hardware! I've 
>> been using for about a year now with no problem. Could it be that something 
>> has worn out power supply from the PCI bus? (I often charge my phone via the 
>> usb slot.). If so, can one add (or redirect) power externally?
>>
>> Andrew, I tried another monitor--a CRT--at the time but it did not display 
>> anything. Since I could not repeat the event, I could only surmise the 
>> screen and/or the keyboard (to switch on multi-display) or the USB Hard 
>> drive might have been compromised. (a fsck proved the USB HD drive clean!)
>>
>> How does one test the fan of the GPU? Sorry for dumb question. I noticed 
>> lately that the fan of the machine goes on for much longer than in times 
>> past. Looking back, could briefly using the machine in dusty work 
>> environment sometime back have such an adverse effect? (Machine is supposed 
>> to be a laptop!)
>>
>> Another issue I don't understand is why the same paraview program, run via 
>> chroot under the livedvd (6.0), found the same display okay, but does not 
>> find it okay when the system is booted directly!
>>
>> Regards,
>> William.
>>
>>    
 
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
------------------------
>>     *From:* "peter.stauff...@boehringer-ingelheim.com" 
>><peter.stauff...@boehringer-ingelheim.com>
>>     *To:* ws...@yahoo.com
>>     *Sent:* Tuesday, November 20, 2012 2:46 PM
>>     *Subject:* WG: Black Display Screen Problem & Getting Paraview to work
>>
>>     Hi William,
>>     some high-end graphics cards (our Nvidia Quadro cards) need additional 
>>power, so a special power cable must be connected to the graphics card.
>>     With normal low resolution the graphics cards work fine without this 
>>cable, but with higher resolution the power from PCI bus ist no longer 
>>sufficient and we got a blank screen.
>>     Peter
>>     Dr. Peter Stauffert
>>     Boehringer Ingelheim Pharma GmbH & Co. KG
>>
>>     *Von:*owner-scientific-linux-us...@listserv.fnal.gov 
>>[mailto:owner-scientific-linux-us...@listserv.fnal.gov] *Im Auftrag von 
>>*Andrew Z
>>     *Gesendet:* Dienstag, 20. November 2012 14:36
>>     *An:* William Shu
>>     *Cc:* SCIENTIFIC- LINUX- USERS@ FNAL. GOV
>>     *Betreff:* Re: Black Display Screen Problem & Getting Paraview to work
>>     William
>>     Check if fan on your gpu  actually works.
>>     Try another monitor.
>>     I had similar odd behavior a while ago.
>>     On Nov 20, 2012 4:45 AM, "William Shu" <ws...@yahoo.com 
>><mailto:ws...@yahoo.com>> wrote:
>>
>>     Dear All,
>>
>>     I state the basic problem, then give further explanations below. Any 
>>help appreciated, especially as I'm just groping!
>>
>>       My basic problems are:
>>     -----------------------
>>     (1) to ascertain the cause of the black screen (blank, not blank) I 
>>sometimes obtain, and I'm forced to switch off power and reboot and how to 
>>solve it.
>>     (2) to get paraview to display on screen, without aborting with the 
>>message:
>>     < ...>
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     ERROR: In 
>>/builddir/build/BUILD/ParaView-3.8.1/VTK/Rendering/vtkXOpenGLRenderWindow.cxx,
>> line 404
>>     vtkXOpenGLRenderWindow (0xa7adc90): Could not find a decent visual
>>     <...>
>>     ERROR: In 
>>/builddir/build/BUILD/ParaView-3.8.1/VTK/Rendering/vtkXOpenGLRenderWindow.cxx,
>> line 631
>>     vtkXOpenGLRenderWindow (0xa7adc90): Cannot create GLX context.  Aborting.
>>
>>
>>     What I have done so far:
>>     ------------------------
>>     Googling and fumbling along, I managed to install kmod-fglrx and 
>>fglrx-x11-drv which I seem to need, given an ATI Mobility Radeon graphics 
>>card.
>>
>>     Before doing this, my screen went black (i.e., black, with no light, not 
>>blank) a couple of times, and resumed on its own, sometimes after touching 
>>the keyboard and mouse. Until now, I put it down to perhaps screen saver 
>>activities.)
>>
>>     Then disaster struck: the screen went black again, indefinitely, and I 
>>had to force a shutdown (keeping the power button down for a while). Repeated 
>>attempts at booting did not help, and could not do fsck with a rescue disk 
>>because the external USB hard drive was encrypted. I finally ran a livecd 
>>(6.0) where I used cryptsetup to open drive, and
>>
>>     chroot $NEWROOT bash -i -l
>>
>>     to mount the partition. I also had to create 
>>/dev/{random,urandom,null,zero} in the new root, programs like yum could run. 
>>After this, I succeffully rebooted the machine!
>>
>>     Surprisingly, paraview could open, though it gave a message along the 
>>lines of "all authentication could not be done" (sorry, I did not 
>>successfully copy the message).
>>
>>     Unfortunately, paraview cannot work with error messages as given below.
>>
>>     I will be grateful for any assistance, and possible solutions.
>>
>>
>>
>>
>>
>>     Details:
>>     ----------
>>     [wss@localhost ~]$ rpm -qa 'fglrx*'
>>     fglrx-x11-drv-12.4-1.el6.elrepo.i686
>>     [wss@localhost ~]$ rpm -qa 'kmod-fglrx*'
>>     kmod-fglrx-12.4-1.el6.elrepo.i686
>>     [wss@localhost ~]$ uname -a
>>     Linux localhost.localdomain 2.6.32-279.14.1.el6.i686 #1 SMP Tue Nov 6 
>>11:21:36 CST 2012 i686 i686 i386 GNU/Linux
>>     [wss@localhost ~]$
>>     [wss@localhost ~]$ /sbin/lspci -nn | grep -i VGA
>>     01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Device 
>>[1002:68e4]
>>     [wss@localhost ~]$  grep -i 1002 /lib/modules/*/modules.alias | grep -i 
>>68e4/lib/modules/2.6.32-279.11.1.el6.i686/modules.alias:alias 
>>pci:v00001002d000068E4sv*sd*bc*sc*i* radeon
>>     /lib/modules/2.6.32-279.11.1.el6.i686/modules.alias:alias 
>>pci:v00001002d000068E4sv*sd*bc*sc*i* fglrx
>>     /lib/modules/2.6.32-279.14.1.el6.i686/modules.alias:alias 
>>pci:v00001002d000068E4sv*sd*bc*sc*i* radeon
>>     /lib/modules/2.6.32-279.14.1.el6.i686/modules.alias:alias 
>>pci:v00001002d000068E4sv*sd*bc*sc*i* fglrx
>>     /lib/modules/2.6.32-279.9.1.el6.i686/modules.alias:alias 
>>pci:v00001002d000068E4sv*sd*bc*sc*i* radeon
>>     /lib/modules/2.6.32-279.9.1.el6.i686/modules.alias:alias 
>>pci:v00001002d000068E4sv*sd*bc*sc*i* fglrx
>>     [wss@localhost ~]$
>>
>>     paraview error message:
>>     --------------------------------
>>     [wss@localhost ~]$ paraview
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x14d
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x4800229
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     ERROR: In 
>>/builddir/build/BUILD/ParaView-3.8.1/VTK/Rendering/vtkXOpenGLRenderWindow.cxx,
>> line 404
>>     vtkXOpenGLRenderWindow (0xa7adc90): Could not find a decent visual
>>
>>
>>
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>     Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>     Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>     Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>     Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>     Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>     Resource id:  0x480022b
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x480022b
>>     ERROR: In 
>>/builddir/build/BUILD/ParaView-3.8.1/VTK/Rendering/vtkXOpenGLRenderWindow.cxx,
>> line 404
>>     vtkXOpenGLRenderWindow (0xa7adc90): Could not find a decent visual
>>
>>
>>
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x4800274
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension:    135 (Uknown extension)
>>        Minor opcode: 19 (Unknown request)
>>        Resource id:  0x4800274
>>     X Error: BadRequest (invalid request code or no such operation) 1
>>        Extension: 135 (Uknown extension)
>>        Minor opcode: 14 (Unknown request)
>>        Resource id:  0x4800274
>>     ERROR: In 
>>/builddir/build/BUILD/ParaView-3.8.1/VTK/Rendering/vtkXOpenGLRenderWindow.cxx,
>> line 631
>>     vtkXOpenGLRenderWindow (0xa7adc90): Cannot create GLX context.  Aborting.
>>
>>
>>     Aborted
>>     [wss@localhost ~]$
>>
>>
>
>
>
>

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