ac100 team mailing list archive

[Marc Dietrich <marvin24@xxxxxx>]

On Saturday 17 December 2011 20:13:53 Jani Monoses wrote:
> > yep, this boots fine. The toolchain problem is weird. Maybe we should
> > compare the disassembly between 4.6.1 (I have gcc (Ubuntu/Linaro
> > 4.6.1-9ubuntu3) 4.6.1) and 4.6.2 (where to get this from)? Are you
> > using a cross compiler or native?
> 
> I used the cross compiler in 12.04 which is now at 4.6.2.
> 
> > Jani, it also seems you forgot to sound support. You need to enable some
> > codecs, I know it works on 3.0 if it is enabled ...
> 
> Hmm I know I added missing USB_AUDIO at one point, but will check and
> fill in the missing configs.
> I thought I reused the 2.6.38 configs.

ah, that explains it. We have no usb-audio ;-)

You need to enable 

CONFIG_SND_SOC=m  (enabled already)
CONFIG_SND_SOC_TEGRA=m
CONFIG_SND_SOC_TEGRA_ALC5632=m

> >> I am not sure if it is an unrelated toolchain issue, or only triggered
> >> along with the RAM timing change, but I suspect
> >> it is toolchain only. I rebuilt a 2.6.38 too with the 4.6 toolchain
> >> and it did not boot.
> >> 
> >> I'll need to back that change up and rebuild again to make sure.
> >> 
> >> So I had the deb working locally as I did not yet upgrade to 4.6.2 but
> >> when built in the archive it resulted in an unbootable image.
> > 
> > ah, native. So I'll need to upgrade tho 12.04 I guess to be able to
> > reproduce it :-(
> 
> Probably, or you could just get gcc-4.6 from 12.04, it should work
> with few extra dependencies.

oh, I may check this out later.

Marc



> > 
> >> On Thu, Dec 15, 2011 at 9:20 AM, Marc Dietrich <marvin24@xxxxxx> wrote:
> >> > On Thursday 15 December 2011 01:33:14 Jani Monoses wrote:
> >> >> I made a new deb from latest git branch but now it no longer
> >> >> boots on
> >> >> my machine.
> >> >> I also have hynix RAM, so it is even more strange that the Dec 6
> >> >> snapshot booted.
> >> > 
> >> > also fails here. Kernel boots with my config (paz00_defconfig) and
> >> > your configs didn't changed as it seems. On the other hand, you
> >> > seem to have changed the toolchain: gcc 4.6.1 -> 4.6.2. Do you
> >> > still have the old compiler around? Is this compiled on a hf
> >> > system?
> >> > 
> >> > Marc
> >> > 
> >> >> Jani
> >> >> 
> >> >> http://startx.ro/~jani/linux-image-3.0.8-2-ac100_3.0.8-2.1_armel
> >> >> .deb
> >> >> 
> >> >> On Wed, Dec 14, 2011 at 8:02 PM, Jani Monoses <jani@xxxxxxxxxx> wrote:
> >> >> > Thanks for the feedback, good to know.
> >> >> > Others have reported it not booting at all on armhf builds,
> >> >> > but if
> >> >> > it
> >> >> > is memory related they'll likely hit
> >> >> > the same issue on armel.
> >> >> > 
> >> >> > I'll roll a new package for the more recent tree these days
> >> >> > then,
> >> >> > once
> >> >> > your change is in.
> >> >> > 
> >> >> > Jani
> >> >> > 
> >> >> > On Wed, Dec 14, 2011 at 7:54 PM, Marc Dietrich <marvin24@xxxxxx> 
wrote:
> >> >> >> Hi Jani,
> >> >> >> 
> >> >> >> thanks for the new kernel!
> >> >> >> 
> >> >> >> On Wednesday 14 December 2011 01:38:51 Jani Monoses wrote:
> >> >> >>> >> However we should aim for stability and no churn
> >> >> >>> >> towards
> >> >> >>> >> the
> >> >> >>> >> end of
> >> >> >>> >> the cycle(March/April)
> >> >> >>> >> Are there any known regressions vs 2.6.38? Is
> >> >> >>> >> sound not
> >> >> >>> >> working yet?
> >> >> >>> > 
> >> >> >>> > sound works as on 2.6.38 (maybe better, no mic
> >> >> >>> > support
> >> >> >>> > yet). No
> >> >> >>> > regressions I know of by now (but I'm a bad tester).
> >> >> >>> > It is
> >> >> >>> > possible
> >> >> >>> > that people with hynix memory may not be able to
> >> >> >>> > boot.
> >> >> >>> > Some IRC
> >> >> >>> > user
> >> >> >>> > wanted to test it this evening. If it doesn't work,
> >> >> >>> > I'll
> >> >> >>> > disable
> >> >> >>> > the
> >> >> >>> > memory scaling feature again.
> >> >> >>> 
> >> >> >>> Here's a 3.0 deb of the snapshot of a week ago
> >> >> >>> 
> >> >> >>> 
> >> >> >>> http://startx.ro/~jani/linux-image-3.0.8-1-ac100_3.0.8-1
> >> >> >>> .1_arm
> >> >> >>> el.deb
> >> >> >>> 
> >> >> >>> 
> >> >> >>> For me resume does not work on a stock Ubuntu Precise
> >> >> >>> install,
> >> >> >>> which
> >> >> >>> worked with the default 2.6.38 kernel.
> >> >> >>> I get noise on the screen, the machine does not answer
> >> >> >>> key
> >> >> >>> presses
> >> >> >>> or pings.>>
> >> >> >> 
> >> >> >> I tested it on Oneiric (armel). It boots and
> >> >> >> suspends/resumes
> >> >> >> without
> >> >> >> problems. One possible issue is that the kernel likely
> >> >> >> fails on
> >> >> >> hynix
> >> >> >> ram based system as I only fixed this issue on Dec. 9th
> >> >> >>  and the
> >> >> >> kernel is form Dec. 6th.
> >> >> >> 
> >> >> >> The resume problems you see may also be RAM clocking
> >> >> >> related
> >> >> >> (the
> >> >> >> noice on the screen). So I better disable the stuff
> >> >> >> alltogether
> >> >> >> as it
> >> >> >> seems to create a lot of problems. I will push a fix in a
> >> >> >> minute
> >> >> >> ...
> >> >> >> 
> >> >> >> Marc
> >> >> >> 
> >> >> >>> commit 735f939f421c6c9c5db79250955e7b25ee272e0f
> >> >> >>> Author: Marc Dietrich <marvin24@xxxxxx>
> >> >> >>> Date:   Tue Dec 6 20:35:30 2011 +0100
> >> >> >>> 
> >> >> >>>     ARM: tegra: paz00: make sound modular
> >> >> >>> 
> >> >> >>>     Switch the static sound driver from chromeos to
> >> >> >>> modular
> >> >> >>> version
> >> >> >>> used by 2.6.38 kernels.
> >> >> >>> 
> >> >> >>>     Signed-off-by: Marc Dietrich <marvin24@xxxxxx>