From: Damiano Buratto (damiano.buratto_at_pd.infn.it)
Date: Mon Jan 27 2014 - 04:26:04 CST

Hi John,

Thank you for your reply.
I am running NVIDIA Driver Version 319.37 for Linux 64-bit. Typing the command
line you suggested me I obtain the following message:

  BIOS-e820: 000000007f78e000 - 000000007f7d0000 (ACPI NVS)
  ftrace: converting mcount calls to 0f 1f 44 00 00
  PM: Registering ACPI NVS region at 7f78e000 (270336 bytes)
  ACPI Exception: AE_NOT_FOUND, No or invalid critical threshold
(20090903/thermal-386)
  rtc0: alarms up to one month, y3k, 114 bytes nvram, hpet irqs
  input: HDA NVidia HDMI/DP,pcm=9 as
/devices/pci0000:00/0000:00:07.0/0000:03:00.1/sound/card1/input15
  input: HDA NVidia HDMI/DP,pcm=8 as
/devices/pci0000:00/0000:00:07.0/0000:03:00.1/sound/card1/input16
  input: HDA NVidia HDMI/DP,pcm=7 as
/devices/pci0000:00/0000:00:07.0/0000:03:00.1/sound/card1/input17
  input: HDA NVidia HDMI/DP,pcm=3 as
/devices/pci0000:00/0000:00:07.0/0000:03:00.1/sound/card1/input18
  input: HDA NVidia HDMI/DP,pcm=9 as
/devices/pci0000:80/0000:80:03.0/0000:83:00.1/sound/card2/input19
  input: HDA NVidia HDMI/DP,pcm=8 as
/devices/pci0000:80/0000:80:03.0/0000:83:00.1/sound/card2/input20
  input: HDA NVidia HDMI/DP,pcm=7 as
/devices/pci0000:80/0000:80:03.0/0000:83:00.1/sound/card2/input21
  input: HDA NVidia HDMI/DP,pcm=3 as
/devices/pci0000:80/0000:80:03.0/0000:83:00.1/sound/card2/input22
  input: HDA NVidia HDMI/DP,pcm=9 as
/devices/pci0000:80/0000:80:07.0/0000:84:00.1/sound/card3/input23
  input: HDA NVidia HDMI/DP,pcm=8 as
/devices/pci0000:80/0000:80:07.0/0000:84:00.1/sound/card3/input24
  input: HDA NVidia HDMI/DP,pcm=7 as
/devices/pci0000:80/0000:80:07.0/0000:84:00.1/sound/card3/input25
  input: HDA NVidia HDMI/DP,pcm=3 as
/devices/pci0000:80/0000:80:07.0/0000:84:00.1/sound/card3/input26
  nvidia: module license 'NVIDIA' taints kernel.
  nvidia 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
  nvidia 0000:02:00.0: setting latency timer to 64
  nvidia 0000:03:00.0: enabling device (0006 -> 0007)
  nvidia 0000:03:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
  nvidia 0000:03:00.0: setting latency timer to 64
  nvidia 0000:83:00.0: enabling device (0006 -> 0007)
  nvidia 0000:83:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
  nvidia 0000:83:00.0: setting latency timer to 64
  nvidia 0000:84:00.0: enabling device (0006 -> 0007)
  nvidia 0000:84:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
  nvidia 0000:84:00.0: setting latency timer to 64
  NVRM: loading NVIDIA UNIX x86_64 Kernel Module 319.37 Wed Jul 3 17:08:50
PDT 2013

Damiano

On Fri, 24 Jan 2014 13:55:35 -0600, John Stone wrote
> Hi,
> Which exact NVIDIA driver are you running? Most likely there is a
> an OpenGL bug with the driver version you are using. If you can tell
> me what driver version you're using, we can dig into further details
> from there. One thing to look at is to see if you get any "NVRM"
> messages in your system logs, e.g.:
> dmesg | grep -i nv
>
> Cheers,
> John Stone
> vmd_at_ks.uiuc.edu
>
> On Fri, Jan 24, 2014 at 05:09:36PM +0100, Damiano Buratto wrote:
> > Hi all,
> >
> > I used vmd without any problem on a pc with 4 NVDIA Tesla accelerators (one of
> > which is used for display), CUDA 4.0 driver and Scientific Linux 6.4 system.
> > I have recently installed CUDA 5.5 driver and now when I start vmd,
> > I get the following message:
> >
> > Info) VMD for LINUXAMD64, version 1.9.1 (February 1, 2012)
> > Info) http://www.ks.uiuc.edu/Research/vmd/
> > Info) Email questions and bug reports to vmd_at_ks.uiuc.edu
> > Info) Please include this reference in published work using VMD:
> > Info) Humphrey, W., Dalke, A. and Schulten, K., `VMD - Visual
> > Info) Molecular Dynamics', J. Molec. Graphics 1996, 14.1, 33-38.
> > Info) ------------------------------
> > -------------------------------
> > Info) Multithreading available, 16 CPUs detected.
> > Info) Free system memory: 43332MB (89%)
> > Info) Creating CUDA device pool and initializing hardware...
> > Info) Detected 4 available CUDA accelerators:
> > Info) [0] Tesla C2075 14 SM_2.0 @ 1.15 GHz, 5.2GB RAM, KTO, OIO, ZCP
> > Info) [1] Tesla C2070 14 SM_2.0 @ 1.15 GHz, 5.2GB RAM, OIO, ZCP
> > Info) [2] Tesla C2070 14 SM_2.0 @ 1.15 GHz, 5.2GB RAM, OIO, ZCP
> > Info) [3] Tesla C2070 14 SM_2.0 @ 1.15 GHz, 5.2GB RAM, OIO, ZCP
> > Warning) Detected X11 'Composite' extension: if incorrect display occurs
> > Warning) try disabling this optional X server feature.
> >
> > and instantly the system log me out.
> >
> > I also tried to set environment variables VMDNOGPU or
> > VMDCUDANODISPLAYGPUS but this do not fix the problem.
> >
> > Can anybody help me?
> >
> > Thanks in advance for your help,
> > Damiano
>
> --
> NIH Center for Macromolecular Modeling and Bioinformatics
> Beckman Institute for Advanced Science and Technology
> University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
> http://www.ks.uiuc.edu/~johns/ Phone: 217-244-3349
> http://www.ks.uiuc.edu/Research/vmd/