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-   Maemo 5 / Fremantle (https://talk.maemo.org/forumdisplay.php?f=40)
-   -   [Announce] kernel-power stable v51 in Extras-Devel (https://talk.maemo.org/showthread.php?t=85665)

Xagoln 2012-10-30 08:29
Re: [Announce] kernel-power stable v51 in Extras-Devel
 
1 Attachment(s)
Okay, freemangordon, output from "kernel-config show" doesn't seem to vary so I presume you wanted to see /sys/power/sr_vdd1_voltage? I've included both anyway, as well as the gzipped /dev/mtd2 contents.

The vdd1 voltage value started out at 48, then dropped to 44, 39 and finally after about 10 minutes it was on 35.

Thanks for all your assistance.

Code:
ash-n900:/home/user/MyDocs/Music# kernel-config show
current kernel configuration:
current frequency: 500
supported frequencies: 125 250 500 550 600 720 805 850 900 950 1000 1100 1150
min. frequency: 500
max. frequency: 600
avoid frequencies: 125 250
active frequencies: 500:39,360 550:54,400 600:60,430 720:60,430 805:60,430 850:60,500 900:60,500 950:60,500 1000:60,500 1100:72,520 1150:72,520
SmartReflex VDD1=1, VDD2=0
governor ondemand: ignore nice load= 0, up threshold= 95, sampling rate= 300000, powersave bias= 0
ash-n900:/home/user/MyDocs/Music# cat /sys/power/sr_vdd1_voltage
35

vi_ 2012-10-30 08:56
Re: [Announce] kernel-power stable v51 in Extras-Devel
 
Quote:
Originally Posted by Android_808 (Post 1286267)

I have had a few videos lately that haven't played only after the device has been on a while. They get stuck in stock player at loading dots, when the next one in the list works fine. After a reboot they all start working. CuteTube's latest internal player shows slightly different symptoms for the same videos, tearing and skewing at about a 45 degree angle. KP is using DSP profile with 720p support installed.

I remember reading here some device revisions (I have a 2101) have similar issues due to DSP voltage needing a small voltage boost. Just wondering if this had been integrated somehow? If not what would be the requirements of doing so? Something like extracting revision from /proc/cpuinfo during initscript and applying seperate voltages on a per revision basis?
I can confirm this is also the case on my device. Sometimes skewed videos, vidoes not loading (stuck at buffering till skip to next one). I assumed it was a feature of open media player.

freemangordon 2012-10-30 09:42
Re: [Announce] kernel-power stable v51 in Extras-Devel
 
@Xagoln - I really meant the output of kernel-config show after 10-15 minutes. As you may see the values next to frequency vary when SR is on.

what you can do is to lock the frequencies (kernel-config lock NNN) in order 500,550,600 and after that to post the result of kernel-config show and the value of /sys/power/sr_vdd1_voltage for each frequency.

artpra 2012-10-30 10:31
Re: [Announce] kernel-power stable v51 in Extras-Devel
 
Quote:
Originally Posted by vi_ (Post 1287457)
I can confirm this is also the case on my device. Sometimes skewed videos, vidoes not loading (stuck at buffering till skip to next one). I assumed it was a feature of open media player.
Yes, I can confirm that too - with mediaplayer/openmediaplayer/cutetube/kmplayer/whatever.

freemangordon 2012-10-30 10:32
Re: [Announce] kernel-power stable v51 in Extras-Devel
 
Quote:
Originally Posted by artpra (Post 1287491)
Yes, I can confirm that too - with mediaplayer/openmediaplayer/cutetube/kmplayer/whatever.
Any chance to provide a video to test with?

artpra 2012-10-30 10:40
Re: [Announce] kernel-power stable v51 in Extras-Devel
 
The last one i 100% remember was downloaded (with sound) by cutetube (non qml) - it played only one time right after reboot. But it also happened few times with videos recorded by the N900 itself (no 720p recording stuff installed).
When N900 locks in such state, You can`t play any video at all, only reboot fixes it - until next time.

Xagoln 2012-10-31 03:43
Re: [Announce] kernel-power stable v51 in Extras-Devel
 
1 Attachment(s)
@freemangordon, I wrote a little script that stepped through the clockspeeds using the 'kernel-config lock' command, running a 'kernel-config show' and then sleeping 15 minutes and then running it again. It also copied the content of /sys/power/sr_vdd1_voltage before and after the 15 minute sleep. The phone was otherwise idle.

I've attached the results.

Still no variation in the numbers given by kernel-config show, though... any ideas?

freemangordon 2012-10-31 06:29
Re: [Announce] kernel-power stable v51 in Extras-Devel
 
Quote:
Originally Posted by Xagoln (Post 1287869)
@freemangordon, I wrote a little script that stepped through the clockspeeds using the 'kernel-config lock' command, running a 'kernel-config show' and then sleeping 15 minutes and then running it again. It also copied the content of /sys/power/sr_vdd1_voltage before and after the 15 minute sleep. The phone was otherwise idle.

I've attached the results.

Still no variation in the numbers given by kernel-config show, though... any ideas?
It is getting even more weird :). Actually SR "recognizes" your device to be bad and sets the following voltages:

500:34,550:42,600:48

according to your measurements. Those voltages are way above the voltages in your custom OC profile with SR disabled:

500:34,360 550:38,400 600:42

You said you are not able to enable fmtx. Why is that?

Did you ever try a full reflash (both rootfs and eMMC) to see if it makes any difference?

Are you sure there is no some background running script (ala batterypatch) which sets frequency/voltages?

Xagoln 2012-10-31 09:46
Re: [Announce] kernel-power stable v51 in Extras-Devel
 
Quote:
Originally Posted by freemangordon (Post 1287917)
It is getting even more weird :). Actually SR "recognizes" your device to be bad and sets the following voltages:

500:34,550:42,600:48

according to your measurements. Those voltages are way above the voltages in your custom OC profile with SR disabled:

500:34,360 550:38,400 600:42
That's interesting!

Quote:
You said you are not able to enable fmtx. Why is that?
I can switch on FMTX and the sound from the n900 speakers will stop, but tuning an FM radio into the specified frequency there is no signal.

Quote:
Did you ever try a full reflash (both rootfs and eMMC) to see if it makes any difference?
'

:) Yes, I flashed both root and eMMC about 10 days ago, prior to installing CSSU-thumb. It's the first time I've flashed the eMMC, but the 3rd or 4th time to flash the rootfs.

Quote:
Are you sure there is no some background running script (ala batterypatch) which sets frequency/voltages?
No, I haven't used batterypatch or speedpatch or anything else that touches freqs/volts.

I don't want to take up too much of your time freemangordon - the n900 community needs you! :) So if you think my device is just 'funky' or half burned-out, it's no problem. Even though it's the crappiest n900 in existence, it has served me well for many years and I hope will continue to do so :D

Android_808 2012-10-31 23:28
Re: [Announce] kernel-power stable v51 in Extras-Devel
 
1 Attachment(s)
one video that played up recently, bit of an odd choice but needed it for demo to a friend

cutetube (non qml)
search for 15 ye old annie wu rocks the three beats for beatbox flute
download to device

cutetube shows skewed image, quite often (see attached). stock media player gets stuck loading. both work straight after reboot.

i have 720p codecs. stock player getting stuck occured before installing them.


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