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From: Andi Kleen <ak@suse.de>
To: Jon Schindler <jonschindler@hotmail.com>
Cc: ak@suse.de, linux-kernel@vger.kernel.org
Subject: Re: USB storage does not work with 3GB of RAM, but does with 2G of RAM
Date: Sat, 9 Jul 2005 02:56:38 +0200	[thread overview]
Message-ID: <20050709005638.GE21330@wotan.suse.de> (raw)
In-Reply-To: <BAY20-F7EE6B3C3A0E5C80A183D7C4DA0@phx.gbl>

On Fri, Jul 08, 2005 at 08:49:12PM -0400, Jon Schindler wrote:
> Hi Andi,
> 
> As you suggested, removing ehci_hcd (using rmmod ehci_hcd) allows the USB 
> storage device to work.  So, to answer your question, yes, the ohci_hcd 
> driver does work with 3GB's of RAM.  Still, knoppix 3.9 IS able to work 
> with both ehci and 3GB's of RAM, so it still sounds like it's a software 
> problem, not an nvidia hardware issue.

Knoppix is 32bit I guess. The 32bit kernel will do a lot of DMA
only in the first 800-900MB (lowmem) 

-Andi


  reply	other threads:[~2005-07-09  1:00 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200507081938.27815.s0348365@sms.ed.ac.uk.suse.lists.linux.kernel>
     [not found] ` <BAY20-F56DA47C91D7C093A5E426C4DB0@phx.gbl.suse.lists.linux.kernel>
2005-07-08 19:29   ` USB storage does not work with 3GB of RAM, but does with 2G of RAM Andi Kleen
2005-07-08 20:03     ` Jon Schindler
2005-07-08 20:16     ` Jon Schindler
2005-07-09  0:49     ` Jon Schindler
2005-07-09  0:56       ` Andi Kleen [this message]
2005-07-09  2:57         ` Jon Schindler
2005-07-11 15:03 Oliver Weihe
2005-07-11 23:21 ` Jon Schindler
2005-07-12 18:43 ` Jon Schindler
  -- strict thread matches above, loose matches on Subject: below --
2005-07-08 18:38 Realtime Preemption, 2.6.12, Beginners Guide? Alistair John Strachan
2005-07-08 19:12 ` USB storage does not work with 3GB of RAM, but does with 2G of RAM Jon Schindler

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