Re: Allocating buffers for USB transfers (again)

[Florian Mickler]

[adding Robert Hancock]
see here for the whole thread: https://lkml.org/lkml/2011/7/7/150

2011/7/7 Daniel Mack <zonque@xxxxxxxxx>:
> On Thu, Jul 7, 2011 at 2:33 PM, Oliver Neukum <oliver@xxxxxxxxxx> wrote:
>
>> PS:  Do you still see this if you enable 64bit DMA for EHCI?
>
> The problem is that I personally don't see that issue at all. I even
> installed 4GB of RAM to my development machine last year to be able to
> reproduce this, but I can't, even when the memory allocator is under
> heavy load. The only people who see this effect are Pedro Ribeiro and
> William Light (both in Cc:), and both have been very helpful in trying
> patches and reporting back in detail. Which instructions could we
> probably give to these people to finally hunt this issue down?
>
> Daniel
>
>

Did someone affected already try the suggestions from Robert :
http://lkml.org/lkml/2010/4/10/66

That is checking if it really is a 64bit vs 32bit issue by booting
with mem=4096M ?


Regards,
Flo
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