On Tue, Aug 13, 2013 at 11:18:24AM +0200, Marcin Zajączkowski wrote: > Hi, > > I had no problem with a USB 3.0 port in my Asus N43SN since I bought a > laptop (~2 years). Recently I replaced a motherboard to the new one > (N43SL.413 looks the same as the first one) due to a problem with a > graphical chipset and after that a USB3 controller stopped to be even > detected. > > $ lspci | grep -i USB > 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset > Family USB Enhanced Host Controller #2 (rev 05) > 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset > Family USB Enhanced Host Controller #1 (rev 05) > > (in the past there was also an additional USB3 controller - AFAIR Fresco > Logic FL1000G USB 3.0). Sounds like a BIOS issue, is there an upgrade for it somewhere? There's not much the usb driver can do if the PCI controller isn't found anywhere :( > I though it was a problem with a motherboard, but after boot with > different kernel the controller showed up. I started to suspect a bug in > kernel, but after two days (I use it only from time to time with my USB3 > hard drive) I noticed that USB3 port/controller is not visible anymore > with any kernel. I don't know if this behavior is normal for a hardware > malfunction. Are there any PCI error messages / differences in your kernel boot log of a working vs. non-working situation? You might want to take this to the linux-pci@xxxxxxxxxxxxxxx mailing list, the people there should be able to help out with PCI issues like this. thanks, g reg k-h -- 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