Re: iwl3945: order 5 allocation during ifconfig up; vm problem?

From: Pavel Machek
Date: Sat Oct 06 2012 - 08:08:45 EST


Hi!
On Fri 2012-10-05 10:37:00, Stanislaw Gruszka wrote:
> On Wed, Oct 03, 2012 at 11:07:13AM -0700, David Rientjes wrote:
> > On Wed, 3 Oct 2012, Stanislaw Gruszka wrote:
> >
> > > So, can this problem be solved like on below patch, or I should rather
> > > split firmware loading into chunks similar like was already iwlwifi did?
>
> Hmm, I looked at iwl3945 code and looks loading firmware in chunks is
> nothing that can be easily done. 3945 bootstrap code expect that runtime
> ucode will be placed in physically continue memory, and there are no
> separate instructions for copy and for execute, just one to perform both
> those actions. Maybe loading firmware in chunks can be done using
> undocumented features of the device, but I'm eager to do this.

Just allocate memory during boot?

> Pavel, do you still can reproduce this problem on released 3.6 ?

It happened again yesterday on 3.6.0-rc6+. I don't think mm changed
between -rc6 and final...
Pavel
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