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Sound problem

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gitah
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Unhappy Sound problem

Hi,

Yesterday, my gTablet had some strange issues with sound. When I push the buttons to change the volume, I can only hear "Puck, puck, puck...". If I go to the volume settings and change the volume there, I can hear the test sound. I found later that I could only hear sounds coming from the system ( notification, ringtone, etc. ).

I was using the C&C v6 Rom. I tried to reset factory, reinstall the rom, reformat partition, tried stock rom, FlashBack 8.1, NVFlashed back to latest 1.1 stock rom and then installed VeganTab 5.1 but still no luck. It's also not working when I'm plugging my headphone. When I'm on Flashback, the sounds work but only with a headphone. Any idea on fixing this ? Or is it a hardware defect (I really hope not...) ? What's weird is that I can hear all the Android system sound but not video/music from Youtube or any mediaplayer...
 
aabbondanza
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Default Another user had the same issue

Quote:
Originally Posted by gitah View Post
Hi,

Yesterday, my gTablet had some strange issues with sound. When I push the buttons to change the volume, I can only hear "Puck, puck, puck...". If I go to the volume settings and change the volume there, I can hear the test sound. I found later that I could only hear sounds coming from the system ( notification, ringtone, etc. ).

I was using the C&C v6 Rom. I tried to reset factory, reinstall the rom, reformat partition, tried stock rom, FlashBack 8.1, NVFlashed back to latest 1.1 stock rom and then installed VeganTab 5.1 but still no luck. It's also not working when I'm plugging my headphone. When I'm on Flashback, the sounds work but only with a headphone. Any idea on fixing this ? Or is it a hardware defect (I really hope not...) ? What's weird is that I can hear all the Android system sound but not video/music from Youtube or any mediaplayer...
Recently worked with another user that had the same problem..could hear notifications, but not music or video audio. The kicker was that he could hear music playing when the gtab goes into sleep mode (try it). Come out of sleep & the sound stops. Also has the same puck, puck, puck as you when you change the volume.

Last heard from him a week ago so I don't know if he got it resolved. He was also on 1.1 branch & it cropped up on him when he nvflashed back to 3588. He was going to try & nvflash to 1.2 branch 4349 & see if it made a difference
 
gitah
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Quote:
Originally Posted by aabbondanza View Post
Recently worked with another user that had the same problem..could hear notifications, but not music or video audio. The kicker was that he could hear music playing when the gtab goes into sleep mode (try it). Come out of sleep & the sound stops. Also has the same puck, puck, puck as you when you change the volume.

Last heard from him a week ago so I don't know if he got it resolved. He was also on 1.1 branch & it cropped up on him when he nvflashed back to 3588. He was going to try & nvflash to 1.2 branch 4349 & see if it made a difference
I tried what you said ( put the gtablet in sleep mode ) and yes I could hear the music playing.
 
rajeevvp
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Quote:
Originally Posted by gitah View Post
Yesterday, my gTablet had some strange issues with sound. When I push the buttons to change the volume, I can only hear "Puck, puck, puck...". If I go to the volume settings and change the volume there, I can hear the test sound. I found later that I could only hear sounds coming from the system ( notification, ringtone, etc. ).
Interesting problem. Can you get me a logcat and a dmesg output from your system?

1. Reboot the gTab.

2. Once the system boots into the desktop, play with the volume settings (both HW and SW).

3. Then run these commands inside a Terminal Emulator app and attach the output:
Code:
$ su                                          Become superuser
# dmesg >/mnt/sdcard/dmesg.txt                Get kernel logs
# logcat -d -v time >/mnt/sdcard/logcat.txt   Get Android system logs
 
aabbondanza
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(Last edited by aabbondanza; 15th September 2011 at 08:06 PM.) Reason: didn't notice rajeevvp already post instructions
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Quote:
Originally Posted by gitah View Post
I tried what you said ( put the gtablet in sleep mode ) and yes I could hear the music playing.


I got ahold of the other user with the same problem (sk01bim) and he has not resolved his issue either. I consulted with rajeevvp and he suggests capturing dmesg & logcat output to aid in troubleshooting.

See rajeevvp's instructions on the post above.

I'll try to have sk01bim do the same & post them here also.

Al
 
gitah
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Quote:
Originally Posted by rajeevvp View Post
Interesting problem. Can you get me a logcat and a dmesg output from your system?

1. Reboot the gTab.

2. Once the system boots into the desktop, play with the volume settings (both HW and SW).

3. Then run these commands inside a Terminal Emulator app and attach the output:
Code:
$ su                                          Become superuser
# dmesg >/mnt/sdcard/dmesg.txt                Get kernel logs
# logcat -d -v time >/mnt/sdcard/logcat.txt   Get Android system logs
Here is a archive containing the two files ( files were too big so I had to zip them ) . Thank you for looking into this problem
Attached Files
File Type: zip Archive.zip - [Click for QR Code] (36.2 KB, 6 views)
 
rajeevvp
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Quote:
Originally Posted by gitah View Post
Here is a archive containing the two files ( files were too big so I had to zip them ) . Thank you for looking into this problem
Wow! There are so many NAND flash-related errors in that dmesg.txt file that most of the relevant messages were ditched (the kernel keeps a fixed sized buffer for messages and old messages are discarded). Try getting me a dmesg while in ClockworkMod. It has a different kernel:
Code:
C:\> adb shell dmesg > dmesg.txt
I don't know if your NAND flash errors are causing your sound problems. We may have to fix them (if possible). However, try this first: Disable bluetooth, unplug wired headphones, then reboot the tablet and check sound. If there is still no sound, kill the abtfilt program if it's running and then check the sound again.

In a Terminal Emulator window:
Code:
$ su                                   Become superuser
# kill -9 $(busybox pidof abtfilt)     Kill abtfilt
# /system/bin/ps | fgrep abtfilt       Check that it died
#                                      No output means it did
 
gitah
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Quote:
Originally Posted by rajeevvp View Post
Wow! There are so many NAND flash-related errors in that dmesg.txt file that most of the relevant messages were ditched (the kernel keeps a fixed sized buffer for messages and old messages are discarded). Try getting me a dmesg while in ClockworkMod. It has a different kernel:
Code:
C:\> adb shell dmesg > dmesg.txt
I don't know if your NAND flash errors are causing your sound problems. We may have to fix them (if possible). However, try this first: Disable bluetooth, unplug wired headphones, then reboot the tablet and check sound. If there is still no sound, kill the abtfilt program if it's running and then check the sound again.

In a Terminal Emulator window:
Code:
$ su                                   Become superuser
# kill -9 $(busybox pidof abtfilt)     Kill abtfilt
# /system/bin/ps | fgrep abtfilt       Check that it died
#                                      No output means it did
Hmm...sorry but how do I do a dmesg while in CWM ? I tried to go to recovery then use adb but it couldn't find my device.

Also, my bluetooth wasn't on and I tried to kill abtfilt but it says that there's no such process.
 
rajeevvp
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Quote:
Originally Posted by gitah View Post
Hmm...sorry but how do I do a dmesg while in CWM ? I tried to go to recovery then use adb but it couldn't find my device.
The command is already given above, but, you have to set up adb first. Go through this thread, or, a less hassle-free method is to use a Linux live CD.
 
gitah
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Okay here's the dmesg while in CWM.
Attached Files
File Type: txt dmesg.txt - [Click for QR Code] (19.4 KB, 8 views)

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