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Old 10-15-10, 03:45 AM   #59
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Join Date: Jul 2004
Location: Sweden
Posts: 40
Default Re: nvidia 256.52 xorg-server 1.9.0 performance regression

First, I'm guessing the MSI issue is separate from your issue (given that 260.19.06 worked for me).

In any case, you don't have to disable MSI in the kernel, just tell the nvidia module not to use MSI (this is the default anyway, so unless you or your distro has explicitly enabled it, it is already disabled).

To disable it, don't set the module parameter "NVreg_EnableMSI" (this is typically done in /etc/modprobe.conf or /etc/modprobe.d/*.conf)
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