> On 18 Jan 2018, at 10:50 PM, David Miller <davem@xxxxxxxxxxxxx> wrote: > > From: Hayes Wang <hayeswang@xxxxxxxxxxx> > Date: Thu, 18 Jan 2018 03:04:08 +0000 > >> [...] >>>> r8153 on Dell TB15/16 dock corrupts rx packets. >>>> >>>> This change is suggested by Realtek. They guess that the XHCI >>>> controller doesn't have enough buffer, and their guesswork is correct, >>>> once the RX aggregation gets disabled, the issue is gone. >>>> >>>> ASMedia is currently working on a real sulotion for this issue. >>>> >>>> Dell and ODM confirm the bcdDevice and iSerialNumber is unique for TB16. >>>> >>>> Note that TB15 has different bcdDevice and iSerialNumber, which are >>>> not unique values. If you still have TB15, please contact Dell to >>>> replace it with TB16. >> >> Excuse me. I don't understand why this patch is for specific USB nic rather than xHCI. >> It seems to make the specific USB nic working and the other ones keeping error. > > Well, are we sure that the device being in the TB16 dock doesn't > contribute to the issue as well? This is what vendors concluded for now. The very same NIC on WD15 doesn’t have the issue. > > If the problem only shows up with XHCI and this dock, then this patch > was the appropriate way to deal with the problem for now. -- 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
