Re: USB EHCI issue on OMAP3 Beagle

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On Wed, 30 Apr 2008 12:20:28 +0200, Koen Kooi <k.kooi@xxxxxxxxxxxxxxxxxx>
wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> 
> Op 30 apr 2008, om 11:17 heeft Felipe Balbi het volgende geschreven:
>>
>>
>> On Wed, 30 Apr 2008 11:09:37 +0200, Koen Kooi <k.kooi@xxxxxxxxxxxxxxxxxx
>> >
>> wrote:
>>> -----BEGIN PGP SIGNED MESSAGE-----
>>> Hash: SHA1
>>>
>>>
>>> Op 30 apr 2008, om 10:42 heeft Syed Mohammed, Khasim het volgende
>>> geschreven:
>>>> Hi all,
>>>>
>>>> We have USB ECHI port 1 integrated with SMSC PHY (USB 3326) on
>>>> Beagle Board. I have connected a high speed Mass Storage (USB
>>>> harddisk) to the port, the enumeration happens fine and I am also
>>>> able to do a data transfer, but after some time, it fails with below
>>>> message:
>>>
>>>> ehci-omap ehci-omap.0: port 1 reset error -110
>>>> hub 2-0:1.0: hub_port_status failed (err = -32)
>>>> # ehci-omap ehci-omap.0: port 1 reset error -110
>>>> hub 2-0:1.0: hub_port_status failed (err = -32)
>>>
>>> I'm having similar issues with usbon the beagleboard:
>>>
>>> usb 1-1: USB disconnect, address 2
>>> usb 1-1.3: USB disconnect, address 7
>>> eth0: unregister 'asix' usb-ehci-omap.0-1.3, ASIX AX8817x USB 2.0
>>> Ethernet
>>> usb 1-1: clear tt 4 (9082) error -19
>>> usb 1-1: clear tt 4 (9082) error -19
>>>
>>> I tried various combinations of the usb-ethernet adaptor with and
>>> without hub and found:
>>>
>>> * no hub,  low cpu load + slow transfer (e.g. download over adsl):
>>> transferring a few MiBs is OK
>>> * hub, low cpu load + slow transfer: transferring ~ 1MiB is OK
>>> * big cpu load (e.g. using scp): 128KiB max
>>>
>>> I didn't dare to try a USB disk yet :)
>>
>> false overcurrent indication maybe ?
>>
>> try modprobe ehci_hcd ignore_oc=1
> 
> I've uploaded a kernel with your timeout patch and a modular ehci_hcd
> (so you need to unpack modules.tgz into your rootfs) to here:
> 
> http://amethyst.openembedded.net/~koen/beagleboard/usbtest/
> 
> I'm currently 700 km from my beagleboard, so testing is appreciated :)

Maybe someone else could test it, I'm still waiting mine to come :-p

-- 
Best Regards,

Felipe Balbi
http://felipebalbi.com
me@xxxxxxxxxxxxxxx

--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux