Re: [OLPC Engineering] [Techteam] Announcing Q4D06 for XO-1.75

2012-03-27 Thread Sascha Silbe
Excerpts from Mitch Bradley's message of 2012-03-27 18:44:39 +0200: > New OFW can boot older Linux if you say: > > ok false to use-fdt? > ok boot Perfect, thanks! Together with the revert [1] there's no reason for me anymore not to update OFW. Sascha [1] https://dev.laptop.org/ticket/11736#com

Re: [OLPC Engineering] [Techteam] Announcing Q4D06 for XO-1.75

2012-03-27 Thread Mitch Bradley
New OFW can boot older Linux if you say: ok false to use-fdt? ok boot On 3/26/2012 8:08 AM, Sascha Silbe wrote: Excerpts from James Cameron's message of 2012-03-21 06:11:57 +0100: - enable flattened device tree export to Linux, requires recent kernels, ticket #11568, Does this just mean t

Re: Announcing Q4D06 for XO-1.75

2012-03-27 Thread Chris Ball
Hi, Thanks for debugging this! On Tue, Mar 27 2012, Sascha Silbe wrote: > Excerpts from Chris Ball's message of 2012-03-26 20:36:21 +0200: > >> > I'm specifically asking because recent kernels don't like my SD card >> > (only one in about twenty or fifty boots succeeds; two different >> > failure

Re: Announcing Q4D06 for XO-1.75

2012-03-27 Thread Sascha Silbe
Excerpts from Chris Ball's message of 2012-03-26 20:36:21 +0200: > > I'm specifically asking because recent kernels don't like my SD card > > (only one in about twenty or fifty boots succeeds; two different > > failure modes), so I'd need to make sure I diagnose and fix that > > before upgrading O

Re: [Techteam] Announcing Q4D06 for XO-1.75

2012-03-27 Thread Sascha Silbe
Excerpts from Andres Salomon's message of 2012-03-26 20:46:14 +0200: > Q4D06 will be unable to boot kernels that don't support a non-flattened > device-tree. [Some minor points were clarified on techteam@ / via private email, but the essence is that installing Q4D06+ will result in older kernels

Re: [Techteam] Announcing Q4D06 for XO-1.75

2012-03-26 Thread Andres Salomon
On Mon, 26 Mar 2012 20:08:34 +0200 Sascha Silbe wrote: > Excerpts from James Cameron's message of 2012-03-21 06:11:57 +0100: > > > - enable flattened device tree export to Linux, requires recent > > kernels, ticket #11568, > > Does this just mean that recent kernels are needed in order to ben

Re: Announcing Q4D06 for XO-1.75

2012-03-26 Thread Chris Ball
Hi, On Mon, Mar 26 2012, Sascha Silbe wrote: > Does this just mean that recent kernels are needed in order to benefit > from FDT passing, or is Q4D06 unable to boot kernels that expect a > non-flattened (un-flattened?) device tree? It just means that the kernel will find the FDT now, shouldn't ha

Re: Announcing Q4D06 for XO-1.75

2012-03-26 Thread Sascha Silbe
Excerpts from James Cameron's message of 2012-03-21 06:11:57 +0100: > - enable flattened device tree export to Linux, requires recent > kernels, ticket #11568, Does this just mean that recent kernels are needed in order to benefit from FDT passing, or is Q4D06 unable to boot kernels that expect

Re: [Techteam] Announcing Q4D06 for XO-1.75

2012-03-21 Thread James Cameron
On Wed, Mar 21, 2012 at 09:10:49AM -0400, Martin Langhoff wrote: > On Wed, Mar 21, 2012 at 1:11 AM, James Cameron wrote: > > - correction to ARM MMP2 timer reads, > > Do we need this, and Dilinger's kernel patches, for a good RTC "user > experience"? No. I'm not aware of any significant impact

Re: [Techteam] Announcing Q4D06 for XO-1.75

2012-03-21 Thread Martin Langhoff
On Wed, Mar 21, 2012 at 1:11 AM, James Cameron wrote: > - correction to ARM MMP2 timer reads, Do we need this, and Dilinger's kernel patches, for a good RTC "user experience"? My suspicion is that this is only interesting while you're running S/R loops in OFW, so not high priority... m --  

Announcing Q4D06 for XO-1.75

2012-03-20 Thread James Cameron
http://wiki.laptop.org/go/OLPC_Firmware_q4d06 - enable flattened device tree export to Linux, requires recent kernels, ticket #11568, - touchscreen support for graphical test menu, ticket #11695, - calibrate a Raydium touchscreen, ticket #11704, - fix black-boxes regression in autorun-mfg-tes