Android :: Module Version Conflicts Between Wlan Module - Kernel Source
May 17, 2009
I'm tinkering with building and installing Android from source. Basically I've got it down fairly well, but I seem to have run into a bit of a problem with the wlan module, probably from HTC.
Having pulled the 2.6.27 kernel sources and built that with a .config pulled from the phone, and using that as the kernel image instead of the prebuilt one, I get the following wifi failure message in dmesg:
wlan: version magic '2.6.27-00205-gf2dabc0 preempt mod_unload ARMv6 ' should be '2.6.27-00392-g8312baf preempt mod_unload ARMv6 '
probably because the .config I pulled from the phone has:
So I rebuilt with the '00205' localversion and now I get in dmesg:
[61.122497] wlan: Unknown symbol trout_pwrsink_set
but trout_pwrsink_set was changed to htc_pwrsave_set way back in February:
[ARM]: trout: Switch from trout_pwrsink -> htc_pwrsink 33/8933/1 http://android.git.kernel.org/?p=kernel/msm.git;a=commitdiff;h=44a01f...
I'm clearly getting an obsolete wlan module somehow, Any ideas for how I can get a wlan module that goes with the '00392' kernel would be appreciated.
How do I build the wlan module? When I build, the makefiles copy the vendor/.../wlan.ko to out/.../wlan.ko. What I really want to do is put some new features in the wifi driver for Android. Anybody know?
<3>[ 154.264768] bcm4329: version magic '18.104.22.168-cyanogenmod-g1ad182f preempt mod_unload ARMv7 ' should be '22.214.171.124-cyanogenmod-g704f542 preempt mod_unload ARMv7 '
I've successfully built the samsung-kernel-crespo kernel from the cyanogenmod git. I unpacked a working ramdisk from a nightly and repacked it with my kernel, when i try to load the module i get the above error, The "extraversion" info that in the "about phone" tab in sittings is 126.96.36.199-cyanogenmod-g704f542, as well as the version of the modules. but for some reason the kernel is looking for that 'g1ad182f ' instead.
I loaded the module via fastboot boot boot.img and i didnt full on flash it to the phone. I backed up the working kernel module and put the new one in /system/lib/modules, rebooted the kernel and the wifi is still giving me an error.
If i try to manually insmod the module and it hangs, if i use modprobe then lsmod it says its "loading" but never loads.
the phone im working on is a nexus s if that matters.
If a kernel does not have the Advanced Routing feature (which is needed for VPNC widget - Cisco VPN) is it possible to add this via module like tun.ko module? The Adv. Routing is not needed for connecting but the connection is soon lost.
CC [M] drivers/net/wireless/bcmdhd/wl_cfgp2p.o drivers/net/wireless/bcmdhd/wl_cfgp2p.c: In function 'wl_cfgp2p_act_frm_search': drivers/net/wireless/bcmdhd/wl_cfgp2p.c:769:31: error: array subscript is above array bounds [-Werror=array-bounds][code].....
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If anyone knows any method, could you tell me? I have another question. When myAppl.apk is installed in Android, I want a .cfg file written in /system/etc. Is it possible?
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My problem is, i'm always faced with the problem of "insmod invalid module format" everytime i try to insert the module into the phone. I know that i can correct this by reflecting the appropriate kernel version in the vermagic string when i compile my module but i wanna find a generic way to do this; in other words, i wanna find a way to bypass this kernel version checking everytime i try to insert the module.
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Obviously, my tablet is connected to the computer via USB cable after running the run.bat as administrator.But what is the problem why it is happening to me. (Additional information: I already installed and followed this instruction on this same device with no error at all. But why does it happened to me even I installed this with success before. I don't change any system file on my tablet before, and I don't know because,I didn't change any file or modify file neither on my tablet nor from my PC.)
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Looking at this, I've been trying to decipher it: [KERNEL][7/22/10]Darchstar's Overclocked Undervolted kernel for senseUI roms vUV 2 - xda-developers
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The un-compiled drivers can be found here (under rtl8188cus) [URL] ....
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I should probably add I'm on android 4.2.2, stock Galaxy s4 for t-mobile and rooted. And yes, I'd flash cyanogenmod but I do need t-mobiles wifi calling do to zero coverage at home.