Q&A for [DEV] Framebuffer console
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Framebuffer console for nexus 5
Hello
I was wondering if you would be able to lead me in the right direction to getting a working framebuffer console for the MSM8974 MDSS framebuffer driver as used on the nexus 5 (drivers/video/msm/mdss/mdss_fb.c). I've tried using your modifications but it seems the Nexus 5 uses a different display driver (MDSS instead of MDP3). During my exploration I've encountered quite a few nasty bugs with the framebuffer driver including:
display fills with random pixels and stops responding (5-10 minutes) with multiple things accessing framebuffer (android and Xorg simultaneously)
complete unresponsiveness of display when writing to framebuffer
5-10 minute hang on reboot with framebuffer console enabled in kernel
I have been able to get more debug information from dmesg including some kernel backtraces which are available at pastebin.com/7svjGERT
Running "cat /dev/urandom > /dev/graphics/fb0" has no effect, and changing VTs with chvt command also seems to do nothing. I am building kernels from source myself and have enabled all the relevant framebuffer console options and set kernel command line as required.
Thanks very much if you can help.
Related
This area is currently experimental and was set up by the XDA Administrators for development discussion. The idea in this section is for developers (not only recognized developers, but all developers) to have a place for discussion threads to "talk shop." What kind of talk? Some topics (that I'm making up as I type this) might include (and are certainly not limited to):
Overriding the power widget in the notification dropdown
Considerations of using gcc versions other than 4.4.3 for compiling the kernel
Tegra3: discussion on working around the SOC wake from sleep delay
This isn't a Q&A forum. However, developers might kick off discussions with a question. The difference? This belongs in Q&A: "My phone wakes up slow, will it go faster if I take my sdcard out?" On the other hand, the following might belong in this new section: "Has anyone tried adjusting the mmc detection timeouts to see if there's an impact on the SOC wakeup delays?" The assumption here is that the person asking the latter question actually knows what a mmc detection timeout is, how they'd change it, and has started to play around with it before posting the question.
As well, this section is not for posting finished products or "advertising" of kernels, apps, etc. This section is to discuss the process, not for the end result.
The hope (at least my own hope) is that developers can discuss things here instead of resorting the various other methods of communication we've used. At the same time, newer developers and even non-developers can LEARN from the conversations and eventually participate.
Depending on the reception (and difficulty moderating, probably) this experiment will either be expanded for other device types, completely shut down as a failure, or adjusted. Obviously, if we developers don't use it, it might be considered a waste of time and dissolved.
This section will be very closely moderated by moderators who are also developers and non-development discussion will be harshly dealt with.
Let's do development.
Q&A for [ROM][4.4.4][SlimKangs SGS4G][Linaro][Build 3][2014/10/26]
Some developers prefer that questions remain separate from their main development thread to help keep things organized. Placing your question within this thread will increase its chances of being answered by a member of the community or by the developer.
Before posting, please use the forum search and read through the discussion thread for [ROM][4.4.4][SlimKangs SGS4G][Linaro][Build 3][2014/10/26]. If you can't find an answer, post it here, being sure to give as much information as possible (firmware version, steps to reproduce, logcat if available) so that you can get help.
Thanks for understanding and for helping to keep XDA neat and tidy!
champ1919 said:
Tested tv out this weekend. Nope... pulling log, pm'ed you a dropbox link to log (didn't see my imei number in it, but, I'm an idiot/paranoid).
Sent from my BNTV250A using XDA Free mobile app
Click to expand...
Click to collapse
if you need any help, i can be of assistance. by the way DJL you are such a great coder. how wonderful is it that we get another kick after more have left, and everyone thought this phone was dead. Its the best kitkat rom. I find myself adding CM Browser, root explorer. I used your local manifest and no errors. Easy as pie. Lets me have a base for beanstalk so thank you brother so much. Oh nice kernel!
Hello How do I change the theme
Hello everyone, I know this thread is rather old, but I finally got this running on my SGH-T959W (Wind Mobile) and its amazing compared to the gingerbread! Anyhow, I was having trouble with music control via in-line headset remote (pause/play, vol up/down, call receive, etc.). When the keys are pressed, it's no longer recognized as earlier the soft-key buttons would light up once the headset buttons were pressed. I am using a Sennheiser MM30G headset, if that matters. Am I missing essential drivers that I have to flash for the commands to be recognized?
P.S. This is my first post
Q&A for [ROM][5.0.1][LRX22C][hammerhead] Lollipop Dream [Build 7][20141211]
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Before posting, please use the forum search and read through the discussion thread for [ROM][5.0.1][LRX22C][hammerhead] Lollipop Dream [Build 7][20141211]. If you can't find an answer, post it here, being sure to give as much information as possible (firmware version, steps to reproduce, logcat if available) so that you can get help.
Thanks for understanding and for helping to keep XDA neat and tidy!
Gps disfunction
Am I the only one that encounter problems with gps. It does'nt work at all. In google maps, waze, ingress (google game).
I tried to reflash, change kernel and it changes nothing. Any sugestions?
Black screen by incomming call
I love the Rom en the custom stuff
But screen doesn't turn on with incoming calls while the screen is locked,
While the screen is locked, incoming call is shown as notification on the locked screen.
It needs to be tapped twice to open and then swipe to respond to the call.
I haven already double-check my priority notification settings.
Pleas help.
And sorry for my bad Engels I'm from Holland.
also i cannot unlock my simcard via the sim Pin code
I don't sie the enter button after typing the correct pin
Closed by OP request. Please use link in the first post.
Q&A for Simfresh v11 [Wiko Rainbow]
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Before posting, please use the forum search and read through the discussion thread for Simfresh v11 [Wiko Rainbow]. If you can't find an answer, post it here, being sure to give as much information as possible (firmware version, steps to reproduce, logcat if available) so that you can get help.
Thanks for understanding and for helping to keep XDA neat and tidy!
bugs
There ia still bugs in keyboard just like before
sir i found a bug
sir smokerman this rom is so beatiful and nice,but my only concern is keyboard always bug when i use a search box in "es file explorer" i try many keyboard but its not work...and i observe the trickstermod is not accurate, i try to set my cpu and after 1 hour the cpu will back at the higher rate....then i try to use setcpu and its work perpect,my cpu not back at the higher rate..so i recommend the setcpu pro for this rom...sir thanks for the effort and more power in your great work....have a nice day
this rom is cool and beautiful
sir smokerman this rom is so beatiful and nice,but my only concern is keyboard always bug when i use a search box in "es file explorer" i try many keyboard but its not work...and i observe the trickstermod is not accurate, i try to set my cpu and after 1 hour the cpu will back at the higher rate....then i try to use setcpu and its work perpect,my cpu not back at the higher rate..so i recommend the setcpu pro for this rom...sir thanks for the effort and more power in your great work....have a nice day
First of all im not smokerMan
Trickster is working fine .[Trickster is for advance user] you are missing up try to use prop modder
Forgot screen lock pin
Ok..so I set my screen lock pin and apparently I am not enter in the correct pin... the Sim lock pin is good... the screen lock is where I am getting stuck... I need to bypass this and retrieve a phone number of importance that I believe must only be saved to the device? Any help is most appreciated either retrieving the device data or bypass the lock screen... I have a at&t fusion 3 .... thank you
Use this http://forum.xda-developers.com/showthread.php?p=61496055
Q&A for [Q] [MOD] CM12S - Disable notification vibration?
Some developers prefer that questions remain separate from their main development thread to help keep things organized. Placing your question within this thread will increase its chances of being answered by a member of the community or by the developer.
Before posting, please use the forum search and read through the discussion thread for [Q] [MOD] CM12S - Disable notification vibration?. If you can't find an answer, post it here, being sure to give as much information as possible (firmware version, steps to reproduce, logcat if available) so that you can get help.
Thanks for understanding and for helping to keep XDA neat and tidy!
threepointfive said:
Hi everyone,
this question might seem old but I am not satisfied with the standard answer that is given to my problem. What I want to do is disable the vibration of any notifications in Vibration Mode. Many would suggest downloading true silent mode but this is not what I need - the incoming calls vibration should stay as it is - I just want the notification override gone.
I'm asking this in the development section because I thought there might be a string inside a file that is responsible for the vibrating behavior that could be changed.
Thanks you for your help!
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Have you tried switching off "Vibrate for calls" ?