On Fri, Aug 17, 2012 at 10:58 PM, Miroslav Sabljic <miroslav.sabljic@xxxxxxx> wrote: > Hi all! > > I'm not sure is this the right place to make this question so please point > me to correct place and I will resend my question. > > I'm having problems with latest kernel v3.6-rc1. I'm using Ubuntu 12.04 with > latest updates, this is fresh install on my new laptop Toshiba satellite > L850-12W. Laptop has USB 3.0 support and has integrated Atheros AR3012 > bluetooth device. Device has VID:PID 0930:0219. Device isn't working with > any older kernels that I tried v3.2, v3.4, v3.5, so I'm testing with latest > which is avalable to me, v3.6-rc1 from ubuntu mainline kernel repository. > > My problem is that device is not recognized every time I boot linux and in > rare situations when it is recognized and enabled at boot if I > suspend/hibernate or shutdown my laptop the device isn't working on next > boot. In this case I have to boot to Windows and then back to Ubuntu to > enable the device. I didn't find any other way to enable it again. While > investigating this issue first I tought that problem was related to ath3k or > btusb driver but now it seems to me that it is related to xhci_hcd. I'm > attaching dmesg output when device isn't working where you can see xhci_hcd > errors. I noticed that device is working properly if USB3 support is > disabled in BIOS. > > This is my machine info: > > uname -a > Linux imonet 3.6.0-030600rc1-generic #201208022056 SMP Fri Aug 3 00:57:36 > UTC 2012 x86_64 x86_64 x86_64 GNU/Linux > > I'm attaching cpuinfo, dmesg, iomem, ioports, lspci, lsusb, modules, scsi, > usb_devices, ver_linux. > > > If you need any additional info or anything please let me know. > Tnx! > >From the dmesg, it looks like your xhci host controller is in a mess. It either does not respond to the address device command, or just return an invalid response. And worse, the memory is leaked. I think the host controller is not initialized properly in this case. Have you tried any other USB3.0 controllers? Thanks, Andiry > > -- > Best regards, > Miroslav -- 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
