Re: dwc2_hc_chhltd_intr_dma - ChHltd set errors?

From: John Youn
Date: Mon Apr 03 2017 - 01:23:15 EST


On 03/31/2017 04:04 PM, John Stultz wrote:
> On Thu, Mar 2, 2017 at 12:00 PM, John Stultz <john.stultz@xxxxxxxxxx> wrote:
>> Hey John,
>> We've noticed that when using usb ethernet adapters on HiKey, we
>> occasionally see errors like:
>>
>> dwc2 f72c0000.usb: dwc2_hc_chhltd_intr_dma: Channel 0 - ChHltd set,
>> but reason is unknown
>> dwc2 f72c0000.usb: hcint 0x00000002, intsts 0x06200029
>>
>> dwc2 f72c0000.usb: dwc2_hc_chhltd_intr_dma: Channel 11 - ChHltd set,
>> but reason is unknown
>> dwc2 f72c0000.usb: hcint 0x00000002, intsts 0x04200029
>>
>> Sometimes followed up by a usb error in the driver, something like:
>> asix 1-1.2:1.0 eth0: asix_rx_fixup() Bad Header Length 0x36000807, offset 68
>>
>> Curious if you've seen any reports like this?
>
> Hey John,
> Just wanted to check in again on this to see if you've seen anything
> like it? I've not had too much time to debug it, but my attempts so
> far haven't been productive.
>

I don't think I've seen that.

We'll try to take a look this week.

Thanks,
John