Hi, On 4/4/2017 7:04 AM, John Stultz wrote: > On Mon, Apr 3, 2017 at 5:54 AM, Minas Harutyunyan > <Minas.Harutyunyan@xxxxxxxxxxxx> wrote: >> On 4/3/2017 9:23 AM, John Youn wrote: >>> 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? >> >> The core version is less than 2.71a, am I right? > > So it looks like its reporting 0x4f54300a for hsotg->regs + GSNPSID > which looks like DWC2_CORE_REV_3_00a > >> Please send full debug log to do more investigation. > > Full dmesg, or is there special debugging you want me to enable? Full dmesg around issue. > >> Also send us regdump after connecting ethernet adapter. > > Sorry, can you clarify how to generate this? cat regdump. To locate dwc2 regdump file: cd /; find -name regdump > > thanks > -john > Thanks, Minas -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html