This is happening here too. I'm with Jaunty and using kernel 2.6.28-15 from jaunty-proposed. There is some usb bugfixes on it, but also did not solve this problem.
My laptop is an Acer 5100-5196 $ lsusb Bus 001 Device 004: ID 152d:2339 JMicron Technology Corp. / JMicron USA Technology Corp. Bus 001 Device 002: ID 5986:0100 Acer, Inc OrbiCam Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 002: ID 15d9:0a33 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub JMicron is my external HDD enclosure (Satellite AX-323) $ lspci |grep USB 00:13.0 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller (rev 80) 00:13.1 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller (rev 80) 00:13.2 USB Controller: ATI Technologies Inc IXP SB400 USB2 Host Controller (rev 80) Now it's correctly detected, but after some time I get I/O errors and the device is re-connected through ohci_hcd ** Attachment added: "interrupts.txt" http://launchpadlibrarian.net/30067129/interrupts.txt -- ehci_hcd module causes I/O errors in USB 2.0 devices https://bugs.launchpad.net/bugs/88746 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
