Network Reliability With iwlwifi

My network keep dropping out using the iwlwifi driver, adding the following kernel parameters fixed the problem.

To get rid of "iwlwifi 0000:03:00.0: DMA: Out of SW-IOMMU space for 4096 bytes" errors I increased the buffer size.

I was getting the following PCI error.

Turning off active power management got rid of the error.

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