[vbox-dev] Recent linux kernel commit breaks VBox networking

[Frank Mehnert]

Larry, walt,

On Saturday 22 January 2011 01:54:56 Larry Finger wrote:
> On 01/20/2011 07:46 PM, walt wrote:
> > On 01/20/2011 04:01 PM, Stephen L wrote:
> >> Larry Finger<Larry.Finger at ...>  writes:
> >>>>      pipe: use event aware wakeups
> >> 
> >> [...]
> >> 
> >>> Just a little more info: Bridged networking works, but NAT fails.
> >> 
> >> see also this thread:
> >> 
> >> https://lkml.org/lkml/2011/1/20/449
> > 
> > Excellent find, thank you.  I posted to this list because I didn't know
> > if it was a kernel bug or not -- but Linus says it's a kernel bug, so
> > you lucky vbox devs can ignore this thread completely :)
> 
> The bug was fixed with the following commit:
> 
> commit 28e58ee8ce1f0e69c207f747b7b9054b071e328d
> Author: Linus Torvalds <torvalds at linux-foundation.org>
> Date:   Thu Jan 20 16:21:59 2011 -0800
> 
>     Fix broken "pipe: use event aware wakeups" optimization
> 
>     Commit e462c448fdc8 ("pipe: use event aware wakeups") optimized the
> pipe event wakeup calls to avoid wakeups if the events do not match the
> requested set.
> 
> With that change in my kernel, NAT networking works again.

Thanks for this information!

Kind regards,

Frank
-- 
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