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Old 03-02-06, 02:34 PM   #1
Chuck Sites
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Join Date: Feb 2006
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Default Xorg Multiseat configuration triggers kernel panic

Hi. I'm trying to build an Xorg Multiseat configuration but I've run into a consistent and repeatable kernel crash that points directly to the nvidia driver. The motivation for the Multiseat configuration is we have an advanced PC configuration with some special hardware, and two extend it's use, we wanted more than one student at a time to be able to use it. The system consists of a Tyan K8We (two Dual Core Opteron 280s) 16GB RAM, about a Tb disk, 4 Viewsonic 19" LCD Flat panels, Two Logitech wireless keyboard and mouse (one USB, one PS/2). an 8 video bttv video capture card and a 20Mhz DAQ. Last but not least, Two BFG Nvidia 7800 GT OC PCIe cards (Non-SLI). I have a configuration that works for multiseat and it is sweet looking with two twinview station operating at the same time. I've hammered it with some extreme graphics and video simultaniously on both seats with no problem. However, when the user is done and logs out the kernel crashes. I've looked at nv.c and nv.h and as best as I can tell, its setting or unsetting and interrupt (or worst) for the wrong card. I wonder if you all could look at the attached crash report and advise. Three things to note; I'm using 8187 patched (as recommended for x86_64). I'm also using a patched version of Xorg 6.9.1 that enable Evdev keyboards but that looks fine. I had to change the nvidia-bug-report.sh script to skip the part where it cat's /proc/drivers/nvidia/card/* as that hangs. I need help badly. This is too cool to let something like a kernel crash get in the way. Any advise or assistance would be deeply appreciated. Chuck Sites
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