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Old 02-22-2012, 04:58 PM   #1
uboot
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Wifi error after standby

I struggling with enabling wifi after the device was in standby and I hope we'll find a solution with this thread for future reference.

Neither via Notification bar, nor via Settings app it is possible to activate Wifi. When activating the check mark, the device freezes for some time and then Wifi status says "Error".

After reboot I am able to enable Wifi, but as soon as I suspend the device and switch back on, it is stuck again.

In logcat it says "could not load wifi driver".

I do not want to do hard reset / sd recovery. There must be a way to fix this.

Any ideas?

Deleting /data/misc/wifi/wpa_supplicant.conf did not help.

The wifi driver seems to be compiled directly into the kernel. At least there is no wifi module in /lib/modules
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Old 02-23-2012, 10:01 AM   #2
uboot
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I located the wifi module in /system/wifi but was unable to load it:
Code:
/system/wifi # insmod ar6000.ko
insmod ar6000.ko
insmod: init_module 'ar6000.ko' failed (Exec format error)
Look what dmesg says:
Code:
<4>mmcblk2: retrying using single block read(cmderr=0,dataerr=-110,stoperr=0)
<6>request_suspend_state: standby (0->1) at 61193633438918 (2012-02-23 13:48:03.031270790 UTC)
<7>gpio_keys_early_suspend(62) : key wake mode : on
<3>mmcblk2: error -110 transferring data, sector 1634216, nr 103, card status 0x80900
<3>end_request: I/O error, dev mmcblk2, sector 1634216
<3>mmcblk2: error -110 transferring data, sector 1634217, nr 102, card status 0x80900
<3>end_request: I/O error, dev mmcblk2, sector 1634217
<3>mmcblk2: error -110 transferring data, sector 1634218, nr 101, card status 0x80900
<3>end_request: I/O error, dev mmcblk2, sector 1634218
<3>mmcblk2: error -110 transferring data, sector 1634219, nr 100, card status 0x80900
<3>end_request: I/O error, dev mmcblk2, sector 1634219


But this seems to be a software error, not hardware related, because when I booted into recovery console, dd if=/dev/mmcbkl2 of=/dev/null went through without errors.

After reboot, there where no more IO errors in dmesg.

Strange.


I am about to cook my own firmware now.

Freescale seems to offer updated kernel / Android images, let's see if they contain something usable.

Then I'll create my own initrd, system.img and data.img and incorporate Sony firmware updates. If anyone wants to join me, we should start a dedicated wiki page...
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Old 02-24-2012, 01:06 PM   #3
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Thumbs up

Quote:
Originally Posted by uboot View Post
I am about to cook my own firmware now.

If anyone wants to join me, we should start a dedicated wiki page...
Exactly what I was waiting for...

Count me in!
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