IRC log for #htc-linux on 20130426

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15:45.28HopkinsKongOK, now
15:45.36HopkinsKongtrying to reduce my initrd size
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15:49.17MarcHopkinsKong: what are you trying to do?
16:01.34HopkinsKongOK
16:01.53HopkinsKongMarc: I am booting my android with my kernel, and my custom initrd.
16:02.08HopkinsKongI tried a 320KB initrd, i got the same problem again.
16:02.22HopkinsKongSo, i can suspect that the problem is on the way that i create my initrd.
16:02.38HopkinsKongWhat is the correct command of creating a initrd.gz?
16:03.39Marccommand? are you compiling android from source?
16:03.52Marcor are you using a kitchen for modifiying it?
16:04.54HopkinsKongI am compiling CM10.1 from source for my Leo.
16:05.04HopkinsKongI have problem on booting my machine.
16:05.15HopkinsKong"Booting" means it is irrevlant with the Android
16:05.31Marcand the issue being?
16:05.33HopkinsKongi COULD NOT get into the init
16:05.40HopkinsKongOK, let me explain first:
16:05.58HopkinsKongHaRET/MAGLDR booting
16:06.04HopkinsKongMy screen flash
16:06.15HopkinsKongwhite lines are jumping around the screen.
16:06.36HopkinsKongWhen the while lines are jumping on the screen, it respawn a error
16:06.40HopkinsKongHere is the log:
16:07.12HopkinsKonghttp://pastebin.ubuntu.com/5595837/
16:07.19HopkinsKongVideo:
16:07.21HopkinsKonghttps://dl.dropboxusercontent.com/u/24033707/MPEG0001.AVI
16:07.44HopkinsKongI've tested on some of the kernels, few of them work.
16:08.00HopkinsKong"Work" means no white jumping lines.
16:08.38Marcif I were you I'd compare your mdp code with the one from tytung's kernel
16:08.45Marcespecially the mdp header files
16:09.18HopkinsKongWhen i change my initrd.gz to other Android's initrd, which has been shipped in other dev's rom, white lines disappeared.
16:09.55HopkinsKongMarc: What is mdp? I have no idea what's that. I suspect that the white lines is coming out because of my initrd.
16:10.10HopkinsKongSo i am wondering if i have created my initrd.gz with a wrong way.
16:10.16HopkinsKongHere is my command:
16:10.50Marcwell, mdp is basically what takes care of video displayal in the leo
16:10.55Marcno mdp, no boot logo ;)
16:11.13HopkinsKongfind . | cpio -o -H newc | gzip > ./initrd.gz
16:11.22HopkinsKongMarc: i don't need any boot logo first
16:11.32Marcreally, please try using dsixda's kitchen
16:12.59HopkinsKongNo, i am doing these by myself
16:13.10HopkinsKongI am working on Ubuntu Touch right now
16:13.20HopkinsKongit's not really a complete Android
16:13.33HopkinsKongi have my own source of CM10.1
16:13.46HopkinsKongBut i've just stuck in the kernel/initrd
16:14.24Marcthat kitchen can easily extract your initrd.gz and also create it
16:14.52HopkinsKongi may copy the command in it.
16:15.02MarcI haven't used the "raw" commands in a long time
16:15.08HopkinsKongBTW, what is mdp? What does it actually do?
16:16.02Marcit's for the display output basically
16:17.12HopkinsKongIf i do not have a boot framebuffer, do i still need it?
16:18.45Marcafter booting I'm guessing? :D
16:20.30HopkinsKongBut not KGSL would handle the display?
16:21.17Marckgsl is the gpu part
16:22.05Marcand mdp is used for the framebuffer, lcd and image manipulation IIRC
16:23.12HopkinsKongSo, mdp is a driver?
16:23.19Marcyes
16:25.05HopkinsKongMarc: Which script in dsixda's Android kitchen would build the initrd.gz?
16:25.32HopkinsKongI found some scripts which would combine zImage and initrd.gz to boot.img
16:25.44HopkinsKongBut i could not find scripts which could create initrd.gz
16:27.45MarcI used the command line "GUI"
16:27.48Marcnot a real gui :P
16:28.03HopkinsKong?
16:28.24Marcrun ./menu in the terminal
16:29.36Marcanyway, I need to go
16:29.55HopkinsKongoh, bye
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16:57.11HopkinsKongCannot find solutions on the kernel mdp problem :(
16:57.28HopkinsKongIt's not the problem of initrd now...
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