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doc/mk3hook: Add faq item about fixing audio group

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icex2
2020-10-13 21:45:46 +02:00
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@@ -254,6 +254,26 @@ software mixing.
Choose another device for playback instead, see [this section](#select-another-audio-device), or you can enable
fmodex debug output to further debug this issue, see [this section](#debugging-fmodex-issues).
### No sound and log is showing some error about audio group
If you see something like this in the log:
```text
Trapping getgrnam_r for audio group of libasound
audio group entry format in /etc/group invalid. Check your /etc/group file!
ALSA lib pcm_direct.c:2004:(snd1_pcm_direct_parse_open_conf) The field ipc_gid must be a valid group (create group audio)
```
You have to setup the audio group properly. Usually the following command gets the job done for this:
```bash
sudo usermod -a -G audio piu
```
Replace `piu` with the username that you are using to run the game (typically user with id 1000). If everything's fine,
you should see the following output (or similar) instead of the error above:
```text
Trapping getgrnam_r for audio group of libasound
Resulting group struct: audio x 995 piu,
```
### 1st/2nd is missing the "Insert Coin" text on the title screen and several other graphics, e.g. life bar during gameplay
This is a known bug and we do not have a fix for this so far. However, this is not always triggered and if you keep
restarting the game (with a few seconds of waiting between restarts), you will start the game without this bug being