[Gta04-owner] 3.16-rc5

Dr. H. Nikolaus Schaller hns at goldelico.com
Wed Jul 16 14:08:23 CEST 2014

Am 16.07.2014 um 13:26 schrieb Benjamin Deering <ben_deering at swissmail.org>:

> On 07/16/2014 04:50 AM, Dr. H. Nikolaus Schaller wrote:
>> Hi,
>> Am 16.07.2014 um 02:51 schrieb Benjamin Deering:
>>> Hello all,
>>> I spent  a little time with the new kernel today.
>> Great!
>>>  I noticed an error message (can't find the exact text now) that complained about the lack of control groups and delayed booting for 10 seconds.
>> Ok.
>> Well, our ALSA extensions (headset jack etc.) are broken. Therefore I have patches some driver to return -EINVAL. This makes amixer initialisation fail during boot.
>>> If this isn't some SHR specific thing, I can send a patch to the config enabling them.
>> Yes, please check.
> I rebuilt again without control groups. Here is the message:
> <28>systemd[1]: CONFIG_CGROUPS was not set when your kernel was compiled.
> Systems without control groups are not supported. We will now sleep for
> 10s, and then continue boot-up. Expect breakage and please do not file
> bugs. Instead fix your kernel and enable CONFIG_CGROUPS. Consult
> http://0pointer.de/blog/projects/cgroups-vs-cgroups.html for more
> information.
> <28>systemd[1]: No control group support available, not creating root
> group.
> So it is systemd specific. I know debian is switching to systemd at some point. Should I send the (very small) patch?

Yes, please! It doesn’t harm for systems not using it.


>>> Backlight dimming isn't working, maybe this is old.  It doesn't seem to be a userspace issue - writing stuff directly to the sysfs nodes doesn't  affect brightness.
>> The OMAP-PWM driver is missing.
>>> The new kernel boots and usb networking works, so that makes it easier to work on things.
>> Yes, that is important. If USB networking works it makes it easier to replace the kernel on the SD card and reboot - without fiddling around with battery and SD cards.
>>>  I don't know if I will get to do anything else with this this week.
>> Any experience (what works, what does not work as expected) is welcome!
>> BR,
>> Nikolaus
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