# Interface stuck if program change is "aggressive" \[SOLVED\]

**URL:** <https://discourse.zynthian.org/t/interface-stuck-if-program-change-is-aggressive-solved/892>\
**Category:** Using Zynthian\
**Created:** [July 21, 2017, 4:02pm UTC](https://discourse.zynthian.org/t/interface-stuck-if-program-change-is-aggressive-solved/892 "2017-07-21T16:02:07Z")\
**Posts on this page:** 4\
**Page:** 2

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**Author:** ![Hampelschwein](https://discourse.zynthian.org/letter_avatar_proxy/v4/letter/h/eb8c5e/32.png) [@Hampelschwein](https://discourse.zynthian.org/u/Hampelschwein)\
**Post date:** [June 27, 2018, 2:51pm UTC](https://discourse.zynthian.org/t/interface-stuck-if-program-change-is-aggressive-solved/892/23 "2018-06-27T14:51:13Z")

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I just did another update, but the problem still persists with both volume and program change.  
weirdly no programm changes were transferred when I had my IGNORE CH#1 PG rule (and usind midi channel 1 in zynthian) so thats why i thought I have to think +1

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**Author:** ![jofemodo](https://discourse.zynthian.org/user_avatar/discourse.zynthian.org/jofemodo/32/2_2.png) [@jofemodo](https://discourse.zynthian.org/u/jofemodo)\
**Post date:** [June 28, 2018, 9:36am UTC](https://discourse.zynthian.org/t/interface-stuck-if-program-change-is-aggressive-solved/892/24 "2018-06-28T09:36:59Z")

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Yes. I found it. There is a bug with IGNORE rules, so better don’t use it by now. I will release a fix in a few days. I’m currently working on improving de MIDI router …

Regards,

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**Author:** ![jofemodo](https://discourse.zynthian.org/user_avatar/discourse.zynthian.org/jofemodo/32/2_2.png) [@jofemodo](https://discourse.zynthian.org/u/jofemodo)\
**Post date:** [June 28, 2018, 9:55am UTC](https://discourse.zynthian.org/t/interface-stuck-if-program-change-is-aggressive-solved/892/25 "2018-06-28T09:55:45Z")

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I’m currently working on MIDI router and some bugs have been fixed, related with MIDI rules (IGNORE) and also with SysEx and Clock messages.

You can test development branches like that:

```
cd /zynthian/zyncoder
git fetch
git checkout code_split
cd /zynthian/zynthian-ui
git fetch
git checkout zyncoder_refact
/zynthian/zynthian-sys/scripts/update_zynthian.sh
systemctl restart zynthian

```

For coming back to master:

```
cd /zynthian/zyncoder
git checkout master
cd /zynthian/zynthian-ui
git checkout master
/zynthian/zynthian-sys/scripts/update_zynthian.sh
systemctl restart zynthian

```

Kind Regards,

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<div class="post-metadata">

**Author:** ![Hampelschwein](https://discourse.zynthian.org/letter_avatar_proxy/v4/letter/h/eb8c5e/32.png) [@Hampelschwein](https://discourse.zynthian.org/u/Hampelschwein)\
**Post date:** [August 6, 2018, 4:54pm UTC](https://discourse.zynthian.org/t/interface-stuck-if-program-change-is-aggressive-solved/892/26 "2018-08-06T16:54:45Z")

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after a short test: seems to work again now!  
Thanks!

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