For now I have Arch Linux for test in dualboot and have built latest kernel there. Since this issue is distribution independent I hope this won't be a big problem.
[ivan@vaio ~]$ zcat /proc/config.gz | grep CONFIG_USB_DEBUG CONFIG_USB_DEBUG=y [ivan@vaio ~]$ zcat /proc/config.gz | grep CONFIG_DEBUG_DRIVER CONFIG_DEBUG_DRIVER=y After boot I've plugged usb 2.0 flash drive to working usb 3.0 port, then removed it. After that I've plugged there usb 3.0 flash drive and removed it. Here is full dmesg. Still no noticeable activity on external usb 2.0 port. ** Attachment added: "dmesg.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1172908/+attachment/3705845/+files/dmesg.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1172908 Title: USB 2.0 Ports Dont Work on Sony Vaio Laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1172908/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
