yashsingh1/xdaforums huggingface dataset:
[LG Optimus 2x] vpaulve:
Stephan, thanks for you kernel, I'm using DjangoManouche 1.1 EXT4 Gueste 1.2.1 + 383 Swap (no Zram) No Overclock and it's excellent.

I tried guestekrnl 1.3.1 but I had problems. Sure that 1.4 will be excellent like 1.2.1. Thanks again.
[LG Optimus 2x] Stefan Gündhör:
Glad you like it :)

Yes I soon realized the problems with 1.3.x, that's why I asked the DEVs to use 1.2.1 in their ROMs instead. It's the price of experimenting, that there are versions which are not so good. But fortunately there is a rock solid one (1.2.1) to fall back :)
[LG Optimus 2x] Stefan Gündhör:
guestekrnL v1.4-Preview *please test*

Note: Preview release currently is only compatible with Ext4. FInal release will be with EXT3 too :)

further things eventually planned for final 1.4: realtime processing stuff, at leat taking a look

As of the great amount of performed changes, stability is currently the biggest question - so your feedback is needed more than ever :)
[LG Optimus 2x] scaromouche:
now downloading...
[LG Optimus 2x] ryaneu:
Stefan there is problem with v1.4 preview. I'm getting boot loops after installing it.

I was previously using v1.2.1.
[LG Optimus 2x] Lo_RaT_PeNaT:
stefan same problem...
[LG Optimus 2x] sanhuli:
1.31 is working fine on v20f just try the newest version

great work
[LG Optimus 2x] punyategar:
In the end the temptation to keep developing just cant be ignored, doesnt it.
[LG Optimus 2x] Stefan Gündhör:
The ppl with bootloops: on which file system and rom are you using it? Thx for info :)
[LG Optimus 2x] ryaneu:
I'm using paul's gr6 custom rom and its EXT3
[LG Optimus 2x] Stefan Gündhör:
THX for the hint, I have two possibilities in mind:

if you have undervolting activated on boot it might cause the problem because voltages of 1.4 are lowered and you can't undervolt as much as 1.2.1 - I will disable the ability to UV with the final release, because kernel is already slightly UV'd. OC won't be affected though

I changed sth. in kernel's file system section - maybe I made it incompatible with ext3 (accidentially). If so, I can fix this with final release
[LG Optimus 2x] ryaneu:
I did not undervolt or overclock before installing the kernel.
[LG Optimus 2x] Stefan Gündhör:
Okay I think I found the bug:

I disabled ext3 in kernel config and instead used the config line

because I thought it will use ext4 for mounting ext2 and ext3 then,

BUT what I didn't know is, that ext3 still has to be enabled in kernel config.

And in the preview release it isn't, so the preview is not useable with ext3.

But luckily we know the reason now, with next preview/final release of 1.4 it will be fixed :)
[LG Optimus 2x] ryaneu:
thanks, looking forward to the next or final release.
[LG Optimus 2x] Stefan Gündhör:
end of the week I guess :)
[LG Optimus 2x] Scougar:
I second that :-)

Welcome back Stefan :-)

BTW... I can say with absolute certainty, that the only time I got consistent results from the 2nd core was with that PERM_2nd_CPU build you did. It didn't stop the phone from lagging after a while (which I still find really odd - it's not just your kernel btw!).
[LG Optimus 2x] Stefan Gündhör:
How did battery behave with 2nd core permanently enabled? I'm just curious :)
[LG Optimus 2x] Scougar:
Not too bad to be honest. I will have to redo the test though, to see how it goes. I'll flash the 2nd Core perm again tonight and see how it goes.
[LG Optimus 2x] Lo_RaT_PeNaT:
I feel the same curiosity, waiting for your comments, and waiting for the final version, of course with both cores running. a greeting
[LG Optimus 2x] Stefan Gündhör:
Thanks, I'll take some more time for 1.4 final release as I want it to be better than SR3R2 Final release (which in fact is very good).

Unfortunately full sources of SR3R aren't available (you would fail compiling the github sources using SR3R's kernel configuration, as various things are missing in github repository (p.ex. bfq scheduler sources, cfs boost sources, changes of "Extra responsiveness with Low Latency Realtime Processing", changes of "upgraded IP Tables",...). (Noone could ever

exactly

recompile SR3R out of the given sources and commits and this is not quite fair I think as we all have to release under GPL and I make every change and full sources of my kernel public too.)

So in short I can't just use the same improvements spica used for making sr3r so good, and this means I'll have to find out myself how to make mine better than latest sr3r release and therefore I'll need some more time until next release - maybe weekend or next week :-)

Also ppl. are currently busy testing final HP release anyway, so no hurry for me :)

@Scougar: Thanks for testing! Looking forward to the results. 1.2 has worse battery than 1.2.1 in general though but still the results will be interesting!
[LG Optimus 2x] Scougar:
I was using the E3D today to see how the extended battery was holding out.. but.. I flashed the 2nd perm core kernel on in the morning (1am) , and basically just let the phone go (with data off.. but 3g on, in a VERY VERY bad signal area.. most of the time there isn't a signal!), and periodically checked the battery level about every hour. Faffed about with it a bit at lunch time, and then tonight have been downloading dungeon defenders on it over wifi.

At present with about 19 hours on the phone, it's sitting at 78 percent on stock battery. As mentioned.. usage was extremely light with data off.
[LG Optimus 2x] forforce:
Waiting for new version.... :)
[LG Optimus 2x] vainqueur:
Good job Stefan! I have tried a couple of kernel and still find yours is most stable, I am not getting any restart or data plan connection issues with your kernel. I can't wait for your new kernel. But still find the same phone rescan/refresh the SD card apps icon thingy (don't know they called that but I think you get what I am referring to) but getting it less with your kernel.
[LG Optimus 2x] cmahendra:
guestekrnl 1.2.1 is great kernel and I am using with Gueste2X 1.1 since long time.

Highly recommended combination. No major issues so far and fully usable.

Hey anyone tried Gueste2X 1.1 rom with GuesteKRNL 1.4 preview? I may try this weekend but anyone else did? If yes, pls post result.
[LG Optimus 2x] gumiteve:
I'm using 1.2.1 too (bulk no oc, normal vibration, swap/zram disabled) with 1.1 (minimalist, noswap, smoothscroll)... most of the time everything is fine, but sometimes battery charge level suddenly begins to fall. Normaly the consuption (in standby) about ~25mAh... and it drops to ~350-450mAh without any (noticeable) reason.

Sometimes I use it for 2-3 days without this problem... but when it happens reboot is the only cure :)

I know this is not mutch (for debug and find the problem) but if anyone has encountered something similar and has an idea I would appreciate it. (maybe I should try the 1.4 with 100Mb ZRAM version :) )

Thanks
[LG Optimus 2x] TrymHansen:
This is actually a problem with the 20Q kernel in general, not specific to this release. I'm on pure stock ROM+kernel and experience the same thing. It's a sudden, fake battery-drop. The phone will after a while think it's out of juice and turn off, when you turn it on again the battery-level will be restored to what it was before the drop.
[LG Optimus 2x] gumiteve:
I'm not sure its fake (in my case)... the phone is warm, like when I finished a long call or played for an hour... battery monitor widget shows ~-400mAh consuption constantly... no unusual program is running, and there is ~150MB free memory... battery level wont be restored after reboot (only consuption will go back to normal)
[LG Optimus 2x] feav:
Tried pre1.4 - market can't download apps, says no free space on the phone.

I think it's because /cache partition in ext3, but this kernel doesn't support ext3.
[LG Optimus 2x] SuperSkill:
I've had this insufficient space issue, not sure, but I would try clear cache and dalvik....
[LG Optimus 2x] feav:
Cleared dalvik and cache - no result. Installed 1.2.1 - market works, reinstalled 1.4 - doesnt work. Back to 1.2.1 now.
[LG Optimus 2x] DaNuker:
I'm having problems enabling ZRAM in 1.2.1. I run the file while in recovery but afterwards, there is no swap space shown in terminal emulator.

I tried SWAP version and it works and will test that for nice while 1.4 is getting readied. :D
[LG Optimus 2x] feav:
What Rom do u use? Try to look in /etc/init.d/ and find systweaks script. If other scripts in that folder has numbers in the name (like 04zipalign) than rename systweaks in 98systweaks and dont forget to check permissions.
[LG Optimus 2x] ryaneu:
Stefan, do you mind saying the recommended version consist of what tweaks?
[LG Optimus 2x] carburano:
Welcome back friend!

Inviato con il mio P990 DjangoManouche!
[LG Optimus 2x] Stefan Gündhör:
Just the kernel (overclockable, normal vibration, no ZRam) + Andrev OC & Myrt Undervolt Tool
[LG Optimus 2x] Dac0908:
Flashed fine on Django 1.1 - smooooth. More comments after a day or two :)
[LG Optimus 2x] chipper36:
guestekrnL_v1.4.1_noOC

1st impression Very smooth and benchmarks are good.

Keep up the good work Stefan, appreciate all your hard work :thumbup: :)
[LG Optimus 2x] louiscypherbr:
It's flying! Now let's check stability and battery consumption.

By the way,I came from sr3 (btw, also a great kernel, tks spica) on gueste goodbye, with only cache and dalvik wiping. Do you suggest to flash the room again to remove old scripts from init, or it's unnecessary? Is there a list of files that I can delete from init?

Thanks for your hard work
[LG Optimus 2x] Glifaus:
I'm trying your kernel since last 5-6 hours. The first impression is great, the scores in "antutu" are better than with SR3R2. I'm using normal version, with OC and without ZRAM. I want ZRAM but the battery fly down in use. Now let's full charge my device and tomorrow evening i'll comment more.

Thanks for all your work Stefan!

PD: Sorry if my english isn't correct, im still learning :P

Have the same question, i came from django WLF Edition.
[LG Optimus 2x] Stefan Gündhör:
Thanks for the feedback :-)

Fortunately latest HP kernel doesn't install many scripts, just delete the unnecessary

/etc/init.d/xyz

script and uninstall the HP OTF tool :)

Systweaks script of HP kernel is overwritten by the one of guestekrnL.
[LG Optimus 2x] vadonka:
Stefan

i wouldn't reference SetiroN opinion :)

he is left the xda, left his users, his g+ page comment is full of such this comments:

"not boot", "freeze", "very unstable"

plus he is even dont answer this problems for a while now.

OTF is not degraded the performance, it have zero negative consequences.

OTF can allow the users to customize the kernel, example: boost the performance for a short time if really need it (nitro), save the battery power (powersave), etc..

but you have a nice work here!
[LG Optimus 2x] Stefan Gündhör:
Full sources of guestekrnL v1.4.1 are available now @github.

If you already have an Ubuntu build environment, you just need to download the source, run the "buildkernel" - Script and all 8 different kernel versions will be compiled and packaged to flashable ZIPs automatically (ZIPs will be placed in folder "guestekrnL_BUILDS").

Please note that you have to set the correct path to the kernel in "buildkernel"-Script before running it:

#!/bin/bash

kernelVersion="1.4.1";
kernelPath="/home/developer/Desktop/guestekrnL";
[...]

You have to replace kernelPath with your actual full linux path to the downloaded kernel folder.
[LG Optimus 2x] TrymHansen:
Question Stefan: Are you modifying anything in the ramdisk in your install-script? If not you'll not get working init.d when installing on top of stock kernel etc.

(Installed it yesterday to test, and no init.d scripts were run at startup.)
[LG Optimus 2x] Stefan Gündhör:
No I don't!

I never flashed it over a stock rom

without

init.d support.

So I need to do sth. like the performance packs do I guess? Because they enable init.d functionality if not already there.

Of course you can also flash PP10 (or whatever current PP is) first and then my kernel - there shouldn't be any incompatibilities!

Or do you have any other advise for me?

On v20x stock ROMs with init.d already enabled it should work out of the box, shouldn't it?
[LG Optimus 2x] TrymHansen:
Yes, easy to fix by flashing something else first, then your kernel, but I assume you want a complete package.

No other advice than to do what you said - modify the init-scripts in the ramdisk-image if not already done.
[LG Optimus 2x] Stefan Gündhör:
Thx I will make an init-script enabler for the people using 1.4.1 over a stock rom

without

init.d support and include this enabler in future releases!

How do you like the kernel so far? Okay if init Scripts don't work for you, you might have a different experience.
[LG Optimus 2x] TrymHansen:
I can't tell really, didn't run it long enough for a meaningful comparison. At least I didn't notice anything out of the ordinary, so that's good ;-)
[LG Optimus 2x] PAIIITET:
in SR3 kernel vibration works only on sensor the buttons and keyboard!

during the call normal vibration.

strong vibro work on ring and sms?
[LG Optimus 2x] Stefan Gündhör:
In fact as there is currently only one known possibility (credits to spica) to enable Strong vibration, so I guess it will be the same if you use my kernel. But best ist to try yourself.

Enabling strong vibration doesn't need a special vibrator driver or stuff like this -- it is enabled and disabled by simply switching two lines in kernel source and "telling" the kernel to use the (preconfigured by LG) strong version of vibrator instead of weak one.

This is why there is only one "strong" strength, you can't just set the strength of the vibrator to a value you want, at least noone has figured out the possibility of this yet.

@all: I need more feedback on 1.4.1 - would be very thankful for this :)
[LG Optimus 2x] vadonka:
using the strong vibrator driver all the time not a good idea, this little buzzer in our phones cant handle this much vibration for a long time.
[LG Optimus 2x] Marsou77:
I use DjangoManouche 1.1 stock (ext3) with your last kernel and I haven't got any problem! Just lags sometimes....

With init.d, lags disapears? If no, what are the advantage to use init.d?

Envoyé 2X plus vite avec mon P990
[LG Optimus 2x] Stefan Gündhör:
I knew this would cause some confusion -- Django Stock has init.d already enabled I'm convinced! We were only talking about completely unchanged stock ROMs without init.d :)

However the testers of German forums and me didn't report any lags yet and we are using Django v1.1 Ext4 (take a version with a custom kernel of your desire) and also Gueste2X GoodBye v1.1 (Ext4)

Which version of the kernel do you use? With or without ZRam? OC or no OC?

Best version is standard one

guestekrnL_v1.4.1.zip

(Because experience may vary between the differen kernels versions, and there are 8 different ones)
[LG Optimus 2x] Marsou77:
I use the recomended one!

I will download and install DM1.1 with your kernel and flash 1.4.1 over :) But it should be interesting to know why on ext3 there is minor lag :p

Envoyé 2X plus vite avec mon P990
[LG Optimus 2x] EasyWorld:
Flashed the kernel guestekrnL v1.4.1 over the Gueste2X v2.2 Golden Hybrid (LG 2.3-GB v20m/e/o) ROM first, having made a complete wipe before flashing the kernel. Very fast, very smooth but not very stable (freezes, reboots). After one of the reboots, I got a lot of error messeges from different apps (system, phone, SMS). Had to go back.

Then I flashed the kernel in question over the Gueste2X "GoodBye" 1.1 incl. Kernel guestekrnL v1.1. It got almost perfect - smooth, fast, relatively stable. The only problem I got with this kernel-ROM combination is two reboots during the day. One was when I slided down the notification panel. The other one was when the phone was in my pocket (presumably sleeping) - I found out about the reboot later, while looking at the battery usage diagram.
[LG Optimus 2x] Stefan Gündhör:
I believe it has to do with the tweaks and init scripts I use in my ROMs - v2.2 did work for many users perfectly well and for some others it didn't. The reboots (once or twice a day) have always been problem of gueste2x v2.2 for part of the users. (no matter which kernel, in fact mine didn't even exist this time)

GoodBye ROM works better for much more users, but of course it is possible that the reboot problem isn't solved for everyone yet.

It's rather a ROM problem than a kernel one I guess, I will try to release a new version of GoodBye ROM working good with my kernel soon.

Until then I can recommend trying DjangoManouche + guestekrnL v1.4.1 instead if you keep getting problems with my ROMs!
[LG Optimus 2x] Stefan Gündhör:
Update:

You can find Swap enablers/disablers for guestekrnL v1.4.1 now in Mediafire repository:

Link

ZRam enablers/disablers are also there. You don't need to flash a disabler if you want to use from Swap to ZRam or ZRam to Swap, just flash the corresponding enabler.

ZRam is compressed RAM - faster than Swap, likely more battery consumption

Swap is "additional" RAM allocated in a Swap file on your Phone storage. It is slower than ZRam, maybe better battery.

Both have the purpose to increase the useable ammount of RAM. Only use them if you use many apps and need much RAM.
[LG Optimus 2x] EasyWorld:
DjangoManouche is a great ROM but it has a rising ringtone which doesn't suit me (and I don't seem to be able to fix it). Your ROM has a regular ringtone so I picked yours. Other than that, both ROMs are awesome.

P.S. Tried setting the minimum CPU frequency to 389Mhz instead of the default 216Mhz. Read somewhere that too low a frequency can cause stability problems on our device. Will see if it'll help.

P.P.S. Didn't help :(
[LG Optimus 2x] Glifaus:
I'm using guestekernel 1.4.1 since yesterday. No problems so far, all is smooth, but sometimes has little lags when opening application before hours of use. The battery consumption is too high. With SR3R2 is high but can be moderated, with your kernel when im using whatsapp (for example), i'm seeing how the battery go down 1% every minute, or facebook... im not talking about playing demanding games. Im not sure if would be my rom or the kernel need more power.
[LG Optimus 2x] SuperSkill:
Finally some stating it, have feared it so I don't use it, personally I think it's to strong :)
[LG Optimus 2x] Stefan Gündhör:
I dunno, but I think he referred to strong vibration during Ringing etc. too, not only on haptic feedback. The strong vibration as it is now shouldn't harm - it's even a built-in feature by LG which only needs to be activated in kernel sources. If it was so harmful, they wouldn't have implemented it :-)

However, I don't use it myself either.
[LG Optimus 2x] vadonka:
its not activated in the stock kernel for reason :)
[LG Optimus 2x] Stefan Gündhör:
Yes because we use modem IFX for stock :) How can you be sure, the buzzer can't handle the stronger vibration? Can you reason your statement that it will be harmful to the hardware if used over a longer time? Are there any proven cases in which this happened?

Nevermind, I need to ask you sth. different: You use as second CPU speed step 324MHz for your Etana kernel. I used it for some time too and now increased to 389MHz. As Tegra CPU doesn't scale exactly as the speedsteps are set, does this even make any difference if I use 389 instead of 324 as second step?

Do you believe that power consumption in idle could decrease even more when using 324 and screenOff Freq is limited to p.ex. 503 MHz as it is now the case?
[LG Optimus 2x] vadonka:
i cant proove that the buzzer can be harmed or not but its a mechanical motor what have a fast rotary speed and using a decentralized rolling part for creating the vibration. if this vibration is too strong for a long time it may be harm this part. but its not a fact of course :)

i used the 389mhz first but many user requested that lowering to the 324mhz. its only because some user phone often freeze at 216mhz, this user can use the 324mhz for the minimum freq. 324 or 389, not much different i think.
[LG Optimus 2x] Shadow350z:
Installed in V20Q full stock work very well thanks you so much its very fast and smooth like you say :)
[LG Optimus 2x] Stefan Gündhör:
So, in general the steps between 389 MHz and 1,0 GHz could be called useless? I'm talking about 503MHz and 800MHz. Or at least the 800MHz.

One could introduce a new OC step instead (p.ex. 1,3 GHz).

You don't need 503 MHz if kernel automatically limits screen Off freq.

You need 800 MHz only if sbd. wants to underclock his phone to 800, but I think people hardly do that.

So removing these steps would mean two more additional steps usable for OC p.ex.

Following example steps:

(216 - 3xx - 1015 - 1100 - 1216 - 13xx -1408 - 15xx)

What do you think about it?
[LG Optimus 2x] vadonka:
"So, in general the steps between 389 MHz and 1,0 GHz could be called useless?"

im not say that :)

between the 3xx and the 1015 the jump is too much anyway. it means the voltage jump will also too high. this phone cant handle this. at least the old closed binary nvrm daemon dont (thx for the nvidia). probably the phone freezing very often.

the maximum recommended voltage jump is 100mV by the nvidia. of course it will be abit higher: 120mV can be ok, but not more.
[LG Optimus 2x] Stefan Gündhör:
true, I know about the max. recommended voltage jump, but on the other hand I thought tegra cpu scales regardless to the fakeschmoo speed steps -- so if it ignores the set speedSteps, doesn't it ignore the set voltage for the steps between min and max too? Doesn't it take default voltages then?

Example: You have steps 3xx and 5xx and limit cpu max freq on screen off to 4xx MHz directly in kernel. There is no fakeschmoo voltage set for this 4xx step and still it works so it has to determine its voltage elsewhere.

Edit: Maybe I just got sth. wrong :-) would be great if it worked but as you say it won't I guess.
[LG Optimus 2x] vadonka:
i think this will causing issues, but you can try if you want. the problem is some phone tolerate the extreme condition, others not. so its possible that it will be work for some users but not for others. thats why i hate this phone: too many hw type, otherwise love it :)
[LG Optimus 2x] Shadow350z:
After one day in full stock V20Q i can say i find my favorite kernel, Very smooth on all app with i work and games. Great battery life. All work very well. No reboot (in Spica kernel all work very well but sometimes reboot :( ) All is good thanks for you're great work Stefan Gündhör is better than 1.2.1 ! :)
[LG Optimus 2x] Memhis:
That have come to my mind when I have putted it on, but haven`t thinked seriously about it. I have strong vibro from the first time when spica have introduced it and it is absolutely great, no missed calls anymore (I do not use haptic feedback) :). You have bring it again to my mind :).

@Stefan

Nice to see you developing again :). I will test your work after I finish testing spica`s kernel. Can`t have straight conclusion after shorter time of use.
[LG Optimus 2x] feav:
Tried guestekrnL_v1.4.1_ZRam_noOC, but it overclocable too )
[LG Optimus 2x] Nicodroid:
1.4.1 installed on DjangoManouche 1.1 2 days ago, no reboots so far, the phone is smooth most of the time, battery is ok. Good work!

Edit: In fact, I have a problem with the camera app, it takes a very long time to start and sometimes I just get a black screen with the status bar in landscape mode. I've never seen this behavior before. I don't know if it's rom-related or kernel-related since I installed the rom and the kernel the same day.