nanonote kills usb port

JDH services jaydeeaich at gmail.com
Sun Feb 20 00:12:33 EST 2011


Sounds more likely to be a bad connection somewhere between the USB
device controller in the NN and the  USB host controller in the
computer.  Have you tried putting a USB hub between the NN and your
computer? and/or trying a different cable?

On Sat, Feb 19, 2011 at 1:16 PM, David Kuehling <dvdkhlng at gmx.de> wrote:
> hi,
>
> with my newer mainboard i've observed that the nanonote sometimes kills
> the host's usb port at reboots.  then i have to reboot the host for the
> nn to connect again (or use a different port).  here is the host's
> kernel log output:
>
> [44376.707254] usb 2-1: USB disconnect, address 7
> [44376.707392] cdc_ether 2-1:1.0: usb0: unregister 'cdc_ether' usb-0000:00:13.2-1, CDC Ethernet Device
> [44390.590137] usb 2-1: new high speed USB device using ehci_hcd and address 8
> [44390.752681] cdc_ether 2-1:1.0: usb0: register 'cdc_ether' at usb-0000:00:13.2-1, CDC Ethernet Device, 2a:be:3b:56:05:41
> [44390.936745] ehci_hcd 0000:00:13.2: force halt; handshake ffffc9000067a424 00004000 00000000 -> -110
> [44390.936848] ehci_hcd 0000:00:13.2: HC died; cleaning up
> [44390.937013] usb 2-1: USB disconnect, address 8
> [44390.937083] cdc_ether 2-1:1.0: usb0: unregister 'cdc_ether' usb-0000:00:13.2-1, CDC Ethernet Device
> [44390.952571] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x1700 with error -19.
> [44391.021568] modem-manager[1814]: segfault at 0 ip 00007fb7e91be950 sp 00007fff95e8dfb0 error 4 in libmm-plugin-novatel.so[7fb7e91bc000+5000]
> [44391.050474] usb 2-3: USB disconnect, address 2
> [44749.812817] usb 1-3.7: new high speed USB device using ehci_hcd and address 8
> [44749.937207] cdc_ether 1-3.7:1.0: usb0: register 'cdc_ether' at usb-0000:00:12.2-3.7, CDC Ethernet Device, 0e:9b:6d:01:56:71
> [44760.251721] usb0: no IPv6 routers present
> [45140.499011] usb 1-3.7: USB disconnect, address 8
> [45140.499140] cdc_ether 1-3.7:1.0: usb0: unregister 'cdc_ether' usb-0000:00:12.2-3.7, CDC Ethernet Device
> [45156.100495] usb 1-3.7: new high speed USB device using ehci_hcd and address 9
> [45156.249561] cdc_ether 1-3.7:1.0: usb0: register 'cdc_ether' at usb-0000:00:12.2-3.7, CDC Ethernet Device, aa:01:fc:c8:e8:5a
> [45166.611728] usb0: no IPv6 routers present
>
> maybe a problem with the host's linux driver?
>
> cheers,
>
> david
> --
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-- 

Sincerely,
Panthera Tigris Altaica




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