[etherlab-users] r8169 patch - packet timeout boot failures

[Raz]

I still do not have a scenario. it "sometimes" happens. The -DRTL8169_DEBUG
is something i did not know, so i will check and see. thx


On Mon, Dec 2, 2013 at 11:27 AM, Jeroen Van den Keybus <
jeroen.vandenkeybus at gmail.com> wrote:

> Is there a difference between cold and warm boot ? Does unloading the ec
> driver, loading/unloading the stock r8169 driver and then reloading the ec
> driver work better ? Same scenario but with Realtek drivers (r8168) ? Also
> perhaps compile with -DRTL8169_DEBUG ?
>
> Just some thoughts.
>
> J.
>
>
> 2013/12/2 Raz <raziebe at gmail.com>
>
>> The timeouts happens after the system boots and not while slaves are in
>> in OP mode. So my transmit is irrelevant here, even though a transmit
>> happens only from a single thread of through an ioctl ( SDO reads and so
>> on..)
>>
>>
>>
>>
>> On Mon, Dec 2, 2013 at 11:01 AM, Jeroen Van den Keybus <
>> jeroen.vandenkeybus at gmail.com> wrote:
>>
>>>
>>>> 1. why do you disable the rtl8169_phy_timer  timer ?
>>>>
>>>
>>> The rtl8169_phy_timer is regularly polled in ec_poll instead.
>>>
>>>
>>>
>>>> 2.  In rtl_hw_start_8168 : why do disable RTL_W16(IntrMask,
>>>> tp->intr_event); ?
>>>>
>>>>
>>> The drivers are all non-blocking and interrupt-free. All work that
>>> interrupt handlers normally do is done in ec_poll instead.
>>>
>>> If you cannot send packets anymore, I suspect that you may have overrun
>>> the tx queue, i.e. sent a packet before the previous one has been
>>> completed. You're also not calling the ethercat transmission functions from
>>> different threads, right ?
>>>
>>>
>>> thank you
>>>> raz
>>>>
>>>> --
>>>> https://sites.google.com/site/ironspeedlinux/
>>>>
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>>>>
>>>>
>>>
>>
>>
>> --
>> https://sites.google.com/site/ironspeedlinux/
>>
>
>


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