[Click] FromHost lockup

[Joonwoo Park]

Hello Roman,

What a sweet!
Thank you,  I'll refer this patch for my problem.

Joonwoo,

2008/9/4 Roman Chertov <rchertov at cs.ucsb.edu>:
> Hello Joonwoo,
>   I think I have solved the problem.  I have followed the documentation  for
> netdevice and also looked at the behavior of e1000 during hard_xmit.  I have
> attached the patch which has solved the problem for me.  Basically, instead
> of stopping and starting netif_queue, I use NETDEV return values to signal
> Linux what to do.
>
> Roman
>
> Joonwoo Park wrote:
>>
>> Hi Roman,
>>
>> Have you solved this problem?
>> Actually I had similar problem like this, my problem is when polling
>> is running, if I do ifdown and ifup, ToDevice task never wake up
>> again.
>> But something I cannot understand is it occurs on only some version of
>> e1000 hardware.
>> I am using recent e1000-7.6.15.5 on linux-.2.6.24.7 with polling mode.
>>
>> Thanks,
>> Joonwoo
>>
>> 2008/9/1 Roman Chertov <rchertov at cs.ucsb.edu>:
>>>
>>> Hello,
>>>   I am having some interesting lockup issues with FromHost element.  I
>>> am currently using 2.6.24 kernel that Joonwoo made a patch for.  The
>>> fake device locks up and it appears that fl_tx never gets called to
>>> schedule the run_task, hence no packets get transmitted.  It is as if
>>> the netif_wake_queue does not wake up the queue and leaves it in the
>>> blocked state.  I am curious if anybody encountered such an issue before.
>>>
>>> Roman
>>> _______________________________________________
>>> click mailing list
>>> click at amsterdam.lcs.mit.edu
>>> https://amsterdam.lcs.mit.edu/mailman/listinfo/click
>>>
>>
>
>