netdev - Re: Putting for discussion "__qdisc_run" bug - strange application-dependant error

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Message-ID: <4A06C058.6040207@gmail.com>
Date:	Sun, 10 May 2009 13:54:00 +0200
From:	Jarek Poplawski <jarkao2@...il.com>
To:	unlisted-recipients:; (no To-header on input)
CC:	Panadero Pizza <panadero_pizza@...oo.es>, netdev@...r.kernel.org
Subject: Re: Putting for discussion "__qdisc_run" bug - strange application-dependant
   error

Jarek Poplawski wrote, On 05/10/2009 09:33 AM:

> Panadero Pizza wrote, On 05/09/2009 09:55 PM

...

>> I have found that from 2.6.24.x on, the __qdisc_run function has been made preemptible and this feature has been enabled for the realization of the afore-said 2.6.24.7 and 2.6.27.12 kernels

...

> Since you're suggesting the specific patch has broken this for you, could
> you simply write if 2.6.24.4 (or 2.6.24.7 with "NET: Add preemption point
> in qdisc_run" patch reverted) also solves your problem?


Btw., let's make it clear: after this patch the __qdisc_run function hasn't
been made preemptible; it could simply exit before all work is finished and
schedule the rest for later.

Jarek P.
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