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maemo.org - Talk (https://talk.maemo.org/index.php)

- Maemo 5 / Fremantle (https://talk.maemo.org/forumdisplay.php?f=40)

- - [Announce] kernel-power stable v52 in Extras (https://talk.maemo.org/showthread.php?t=89823)

FlashInTheNight86

2014-04-01 17:48

Re: [Announce] kernel-power stable v52 in Extras

Here's my SR-enabled profile, which gets me noticeable lags during video playback. As an alternative I currently use non-overclocked non-modified ulv profile, lags very rarely. Same video, of course.

Code:

# SR-enabled non-overclocked

MINFREQ=250

MAXFREQ=600

FREQS="0:30,90 125:30,90 250:38,180 500:48,360 550:54,400 600:60,430 720:60,430 805:60,430 850:60,500 900:60,500 950:60,500 1000:60,500 1100:72,520 1150:72,520"

SMARTREFLEX_VDD1=1

SMARTREFLEX_VDD2=1

GOVERNOR=ondemand

IGNORE_NICE_LOAD=0

UP_THRESHOLD=95

SAMPLING_RATE=300000

POWERSAVE_BIAS=0

handaxe

2014-04-01 18:57

Re: [Announce] kernel-power stable v52 in Extras

I must say I find it strange that you get lags with 720p libs installed (another post - are they still installed?), kernel power and if you use the dsp profile provided (sr enabled, slight overclock), yet not so much with a non-overclocked ulv profile.

Does it lag right after a reboot? This is likely o/t for kp.

mr_pingu

2014-04-01 19:05

Re: [Announce] kernel-power stable v52 in Extras

Do you have swap on SD? That might help, also can you post output of iotop(in the repos) and top, is there anything to be found?

FlashInTheNight86

2014-04-01 19:52

Re: [Announce] kernel-power stable v52 in Extras

Quote:

Originally Posted by handaxe (Post 1419483)

Quote:

Originally Posted by mr_pingu (Post 1419487)

Do you have swap on SD? That might help, also can you post output of iotop(in the repos) and top, is there anything to be found?

I get lags only when I have SR enabled. I have none when I have SR disabled. Both with and without overclock.

I don't see a reason to use dsp profile, because ulv's performance is fine.

I currently don't overclock my device. I will look into it later, once I've finally decided whether there is a way to make SR work properly on my device or not.

Again, I have no performance problems when SR is off. I do have performance problems when SR is on. No matter rebooted or not, when SR is on I have noticeable lags during video playback.

As far as I understand, SR main feature is to provide better battery life without decreasing performance. Well, that doesn't work for me.

Also, I have Swappolube installed with proposed options stored, don't know if it matters.

mr_pingu

2014-04-01 21:24

Re: [Announce] kernel-power stable v52 in Extras

SR does the undervolting and extra undervolting can cause performance hits. Did you use SR and undervolting together?

FlashInTheNight86

2014-04-01 21:34

Re: [Announce] kernel-power stable v52 in Extras

Quote:

Originally Posted by mr_pingu (Post 1419507)

Did you use SR and undervolting together?

Yes. But I stopped as soon as I realised it, that's why I asked for a link to clean default profile in this thread.

My SR profile is here, there is no undervolting there - it is just plain default kp profile with SR enabled.

As far as I noticed, xlv profile undervolts lower than SR working on my device, but it doesn't bring any performance hits.

michaaa62

2014-04-02 06:35

Re: [Announce] kernel-power stable v52 in Extras

Just reinstall kernel-power-settings to get the all the default profiles including the one named 'default'.

Code:

sudo gainroot

apt-get install --reinstall kernel-power-settings

peterleinchen

2014-04-02 07:15

Re: [Announce] kernel-power stable v52 in Extras

You are talking about 'default' profile and that you messed it up.

Just to be sure (as it was not mentioned):
You are aware that there are two occurences of default (and all other profiles)?
One at /usr/share/kernel-power-settings/
and once more at /home/user/.kernel/

Possibly you messed up the one in /home by saving but 'restored' the one in /usr? The one in /home have higher priority (are in front of the search path).
Please check also the contents of /etc/default/kernel-power (the profile loaded at boot).

FlashInTheNight86

2014-04-02 10:55

Re: [Announce] kernel-power stable v52 in Extras

First of all, thanks everybody for trying to help.

Now, back to the topic. I don't have a profile named default in /home/user/.kernel/. I do have a profile named default in /usr/share/kernel-power-settings/ and it is not messed.

I thought I messed something because didn't realise at first that kernel-config was showing voltages with SR applied AND that SR is enabled in default profile... So when I saw undervolted and SR-enabled output of kernel-config right after loading default profile I thought omg wtf... However, I didn't really mess anything.

/etc/default/kernel-power matches ulv profile, because I set it so.

SR AND undervolting were used together in custom profile I deleted, just in case.

I've tried again and again and I still get lags when using default profile and no lags using ulv profile, both non-overclocked non-modified standard profiles from kernel-power-settings.

I'm out of ideas, especially regarding the fact I seem to be the first with this problem, and kinda not at all an experienced maemo user.

handaxe

2014-04-02 13:37

Re: [Announce] kernel-power stable v52 in Extras

I guess that FlashInTheNight86 has a h/w peculiarity here. It is well known that various editions of the n900 behaved differently to SR enabled before FMG produced the current mostly stable implementation. However, his device likely is faulty but happily ulv seems to work.

As I too lack /home/user/.kernel I assume it is made for user modded profiles and not at installation.

mr_pingu

2014-04-02 13:47

Re: [Announce] kernel-power stable v52 in Extras

Quote:

Originally Posted by handaxe (Post 1419606)

As I too lack /home/user/.kernel I assume it is made for user modded profiles and not at installation.

Yes that's only for user profiles after using the

Code:

kernel-config save profile

command.

MyselfI don't even use kernel-setting at all and directly use echo commands to change parameters for on the go changing. Also I have edited pmconfig for a bootpersistant modification. Saves having this package installed.

FlashInTheNight86

2014-04-02 14:08

Re: [Announce] kernel-power stable v52 in Extras

My device is made in Hong Kong, so the problem indeed may be hardware-related...

Another question then - when overclocked to 900MHz on ulv profile, a couple times mplayer closed itself. Not a single stability problem otherwise. When overclocked to 900MHz on lv profile, there was no such thing. Do I get it right that this might be overclocked DSP-related issue, and I should add more voltage or reduce DSP frequency of some entries in ulv profile, or it still could be main CPU stability issue?

handaxe

2014-04-02 15:21

Re: [Announce] kernel-power stable v52 in Extras

This now is firmly o/t. AFAIK, all production Nokia n900s were made in Korea (with a select number from Finland?), so yours is a "fake" (highly unlikely as it runs maemo) or a heavy rebuild. I would search the forum for user experiences...

FlashInTheNight86

2014-04-02 15:55

Re: [Announce] kernel-power stable v52 in Extras

handaxe, I wrote made in italic to show my irony. It's a chinese refurbished N900 with new case and Made in Finland sticker, one of those sold on ebay. However, after reflashing it my experience is all positive, except some weird things (like not charging from some adapters and this SR problem). Anyway, good enough for 100$ I paid.

handaxe

2014-04-02 15:57

Re: [Announce] kernel-power stable v52 in Extras

Too subtle : )

Estel

2014-04-02 19:55

Re: [Announce] kernel-power stable v52 in Extras

I remember that, when recalculating Sr, freemagordon was very thankful for some kind of output from all people, that experienced problems with recalculated values. Now, as you're first person in ages that have problems with SR (and seems to have everything set up *correctly*), I'm quite sure he would like to do d debug session with you. Unfortunately, he seems to be MIA for a few days, so I guess all we can do now is wait.

I'm, personally, very much interested in what causes your problems, especially that you have issues with SR recalculated values, that end up being *higher* voltage than ulv settings, where you *don't* have most of the issues. Strange.

/Estel

pali	2014-05-09 16:03

Re: [Announce] kernel-power stable v52 in Extras

Hello, does somebody have some pending patches for kernel-power? I still planning to release v53...

seanmcken

2014-05-09 16:11

Re: [Announce] kernel-power stable v52 in Extras

what is the changelog of 53 as per u've did?

pali	2014-05-09 16:26

Re: [Announce] kernel-power stable v52 in Extras

current changelog for v53 is:

Code:

  * Backport security fixes from upstream kernel for radio driver in patch radio-bcm2048-security.patch

    * fix sign of value in bcm2048_##prop##_read()

    * fix missing unlock on error in bcm2048_rds_fifo_receive()

    * fix coccinelle warnings: Replace memcpy with struct assignment

    * fix unneeded semicolon in bcm2048_fops_read()

    * fix wrong overflow check in bcm2048_set_region()

  * Fix dangling if statement in patch power-supply-no-verbose.diff

  * Backport usb ids from upstream kernel for dm9601.ko and asix.ko drivers

  * Add patch nokia-av_key.patch for immediately headset button press event as KEY_PROG1

  * Remove shm_size=0x400000 from /etc/modprobe.d/bridgedriver because it is not needed

  * fix suspend to memory problems, generally only useful in offline mode

    use /sys/power/state to enter (not used by Mameo5, just less broken now)

    * advance system clock after resume using RTC time

    * computer USB port now is able to be detected and charge after resume

    * disable WARN_ON in getnstimeofday when timing system suspended

freemangordon

2014-05-09 18:35

Re: [Announce] kernel-power stable v52 in Extras

Quote:

Originally Posted by pali (Post 1424702)

Hello, does somebody have some pending patches for kernel-power? I still planning to release v53...

I have a minor patch for SR ( increasing the voltage a bit to make it stable on those few devices which are not right now), will try to send it tomorrow

seanmcken

2014-05-09 19:12

Re: [Announce] kernel-power stable v52 in Extras

noob - anything about battery life?

pali	2014-05-09 20:24

Re: [Announce] kernel-power stable v52 in Extras

EDIT: kp53 was released: http://talk.maemo.org/showthread.php?t=94287

disappear

2014-05-09 22:13

Re: [Announce] kernel-power stable v52 in Extras

Hi Pali sorry to ask,but it's there pakect-injection for these modules?
regards

xes	2014-05-09 22:20

Re: [Announce] kernel-power stable v52 in Extras

Quote:

Originally Posted by freemangordon (Post 1424715)

I have a minor patch for SR ( increasing the voltage a bit to make it stable on those few devices which are not right now), will try to send it tomorrow

Is this the patch to give better stability at the dsp when at 600 MHz?
..if yes, one thumb up for that! (my device was impatiently waiting for it)
Eventually, it would be nice to add a new parameter in kernel-setting profile to load a custom voltage tweak directly from there if some device still needs it. (/sys/power/sr1_vdd1_dsp_boost)

@Pali
how about ext4 stability? Is there something that could still be patched to make it safer?

pali	2014-05-09 22:21

Re: [Announce] kernel-power stable v52 in Extras

Quote:

Originally Posted by disappear (Post 1424739)

Hi Pali sorry to ask,but it's there pakect-injection for these modules?
regards

yes, packet injection modules are included and contain some patches from upstream kernel. looks like ad-hoc mode is fixed...

xes	2014-05-09 22:55

Re: [Announce] kernel-power stable v52 in Extras

@pali
another still open problem is the usb host mode INstability (musb reset error etc..) But i have no idea how and if could be corrected.
This is just a note in case you can take a look at this. Thanks

pali	2014-05-09 23:04

Re: [Announce] kernel-power stable v52 in Extras

I have no idea how musb kernel driver can be improved/fixed...

nokiabot

2014-05-10 05:34

Re: [Announce] kernel-power stable v52 in Extras

Quote:

Originally Posted by pali (Post 1424702)

Hello, does somebody have some pending patches for kernel-power? I still planning to release v53...

is it the last update ?

Estel

2014-05-10 12:31

Re: [Announce] kernel-power stable v52 in Extras

Quote:

Originally Posted by pali (Post 1424742)

yes, packet injection modules are included and contain some patches from upstream kernel. looks like ad-hoc mode is fixed...

Whoa, that would be great! If ad-hoc is working fine, then, AFAIK, we can consider packet injection modules as fully working replacement for vanilla wifi drivers, and stop that mumbo-jumbo with loading and unloading in all aircrack-ng frontends/implementations. Not to mention another thing crossed from list of closed bits.

/Estel

pali	2014-05-10 12:34

Re: [Announce] kernel-power stable v52 in Extras

@Estel: I remember that you were able to reproduce problems with ad-hoc mode and packet injection drivers. Can you test new kp53?

Android_808

2014-05-10 16:14

Re: [Announce] kernel-power stable v52 in Extras

Quote:

Originally Posted by Estel (Post 1424796)

whilst tesing for pali then it may be worth checking power consumption between stock and packet injection modules for everyday us.

Estel

2014-05-10 18:50

Re: [Announce] kernel-power stable v52 in Extras

I actually started testing this while on train and hoped to report ASAP, but somehow, I managed to screw installation and I'm stuck on u-boot console with:

Code:

Booting attached kernel image...

Wrong Image Format, for bootm command

ERROR: can't get kernel image!

... for now. Which is quite strange, as I've installed all packages from Pali's link:

Code:

kernel-power-bootimg_2.6.28-10power53_armel.deb

kernel-power-flasher_2.6.28-10power53_armel.deb

kernel-power-modules_2.6.28-10power53_armel.deb

kernel-power-settings_0.18_armel.deb

kernel-power_2.6.28-10power53_armel.deb

...and run u-boot-update-bootmenu, which seemed to create bootmenu.scr without any errors. Probably just "clumsy me" and off-topic here *shrugs*, but I must postpone testing until i dig out (long forgotten, never managed to screw u-boot powered kernel installation before, eh) info on how to recover from that situation.

/Estel

pali	2014-05-10 19:01

Re: [Announce] kernel-power stable v52 in Extras

This looks like damaged uboot mtd as uboot is not able to boot attached kernel. BTW, if you did not create custom combined uboot image, than attached image is not kp53...

Estel

2014-05-10 21:08

Re: [Announce] kernel-power stable v52 in Extras

For the record - I've answered in u-boot thread:
http://talk.maemo.org/showpost.php?p...&postcount=756
...as it's OT here and I don't want to clutter kernel-power thread.
---

As for new wifi modules - I can (happily) report that ad-hoc wifi seems to be working perfectly fine now :) Apart from obvious lack of device reboot on trying to establish ad-hoc network, I was able to set-up one, connect to it from laptop, and share N900's cellular internet access through it. Same thing worked in reverse.

Here good news end, though. As for power consumption, I did some tests - with everything disabled, screen locked and wifi ON but *not* connected to anything, power draw is the same for vanilla and injection modules. But, with device connected to managed network (access point) but idle (no VoIP accounts, no ssh, no anything) with vanilla drivers, device use ~15-20 mA. The same situation for injection modules results in ~200 mA current draw :(

During heavy network usage and/or ad-hoc, vanilla and injection modules result in roughly the same power draw, so I suppose that some powersaving during idle is still lacking in replacement modules. This gives biiig regression re standby time, so using them instead of vanilla ones all the time doesn't seem to be such a good idea YET, after all :(

/Estel

pali	2014-05-10 21:27

Re: [Announce] kernel-power stable v52 in Extras

Ok, thank you for testing ad-hoc networks, its good to know that ad-hoc mode is working now.

When I'm using packet injection modules I see error messages about power save mode in dmesg. So this looks like problem...

You can try to enable/disable power save mode via:
$ sudo iwconfig wlan0 power on
(or off)

Anyway we still need to test if packet injection function still working. Patches which fixing ad-hoc mode probably disabling packet injection support when adapter is in ad-hoc mode. But this needs to be confirmed first...

Estel

2014-05-10 21:47

Re: [Announce] kernel-power stable v52 in Extras

Just a reminder to anyone volounteering to test it - don't trust aircrack-ng's injection test, I vaguely remember it lying that injection is working even, when it wasn't. Test it on actual (your own) WEP access point.

I would do the test myself, but I've, actually, purged everything WEP-related from my open-wrt powered router, and no WEP network in scanning range anymore, here (not that I would test it on someone's other network without their permission, of course ;) ). So, i must skip this test in someone's else favor.

/Estel

// Edit

BTW, any changelog for kernel-power-settings18?

pali	2014-05-10 21:56

Re: [Announce] kernel-power stable v52 in Extras

Quote:

Originally Posted by Estel (Post 1424849)

BTW, any changelog for kernel-power-settings18?

It is in DEB package :-) But if you cannot unpack AR & TAR.GZ archive here it is. Just small changes:

Code:

  * start upstart script after mounting /home and /opt

  * upstart kernel-modules file is service

Vento

2014-06-05 10:47

Re: [Announce] kernel-power stable v52 in Extras

where I can find the changelog for kp53?

reinob

2014-06-05 11:46

Re: [Announce] kernel-power stable v52 in Extras

Quote:

Originally Posted by Vento (Post 1428330)

where I can find the changelog for kp53?

by scrolling up all the way to #219.

peterleinchen

2014-06-05 12:59

Re: [Announce] kernel-power stable v52 in Extras

Quote:

Originally Posted by reinob (Post 1428337)

by scrolling up all the way to #219.

Or just like that:
http://www.google.com/search?q=kerne...+v53+changelog
Keep trying ... :cool:

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