* Pedro Ribeiro (pedrib@xxxxxxxxx) wrote: > Turns out CONFIG_DMAR was disabled because of PREEMPT_RT. I disabled > the later and enabled _DMAR. It took a long time to boot, something > wrong with the usb ports. You can see it in the appended dmesg from > time 11s to 100s. > > Then after it booted, I could barely move my USB mouse and lots of > errors appeared on dmesg. I tried to connect the DVB card but it > wouldn't even initialize. [ 316.360045] DMAR:[DMA Write] Request device [00:02.0] fault addr 23c00000 [ 316.360046] DMAR:[fault reason 05] PTE Write access is not set That's your video device. Do you have CONFIG_DMAR_BROKEN_GFX_WA=y? > Enabling it with iommu=pt seemed to make no difference. It should (it should at least eliminate the video device problem). -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
