# Legato app running- no output

**URL:** <https://forum.legato.io/t/legato-app-running-no-output/6972>\
**Category:** Legato Application Framework\
**Created:** [December 15, 2025, 9:32am UTC](https://forum.legato.io/t/legato-app-running-no-output/6972 "2025-12-15T09:32:01Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![fsdabharati](https://avatars.discourse-cdn.com/v4/letter/f/e0b2c6/32.png) [@fsdabharati](https://forum.legato.io/u/fsdabharati)\
**Post date:** [December 15, 2025, 9:32am UTC](https://forum.legato.io/t/legato-app-running-no-output/6972/1 "2025-12-15T09:32:01Z")

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![image](https://us1.discourse-cdn.com/flex019/uploads/legato1/original/2X/a/aa966630b35eeebd45e82fd87cbf94f84ce6697c.png)

I am trying to run Source\_File\_98.adef which is flashed into mangOH yellow board. but it is not shoinwg output after i run logread -f | grep Source\_File\_98

Could you please tell me the reason and how to resolve this  
@jyijyi

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<div class="post-metadata">

**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.legato.io/jyijyi/32/822_2.png) [@jyijyi](https://forum.legato.io/u/jyijyi)\
**Post date:** [December 15, 2025, 10:19am UTC](https://forum.legato.io/t/legato-app-running-no-output/6972/2 "2025-12-15T10:19:43Z")

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you can try

```auto
logread -f &

app restart Source_File_98

```

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<div class="post-metadata">

**Author:** ![fsdabharati](https://avatars.discourse-cdn.com/v4/letter/f/e0b2c6/32.png) [@fsdabharati](https://forum.legato.io/u/fsdabharati)\
**Post date:** [December 15, 2025, 10:32am UTC](https://forum.legato.io/t/legato-app-running-no-output/6972/3 "2025-12-15T10:32:27Z")

</div>

Thank you so much!

Your suggestion and below commands helped me to see the app output

logread -f

logread | tail -10

app restart Source\_File\_98

logread | tail -20