Test kernel with that patch applied. What it does is disable intel_iommu when it finds one of the 4 ricoh devices because it leads to problems like this.
http://kernel.ubuntu.com/~sarvatt/lp894070/
Test kernel with that patch applied. What it does is disable intel_iommu when it finds one of the 4 ricoh devices because it leads to problems like this.
http:// kernel. ubuntu. com/~sarvatt/ lp894070/