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[GH-ISSUE #11164] Qwen2.5-VL May Produce Garbled Output When Using Images #33122

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opened 2026-04-22 15:26:33 -05:00 by GiteaMirror · 7 comments
GiteaMirror commented 2026-04-22 15:26:33 -05:00
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Originally created by @xiaopang927423 on GitHub (Jun 23, 2025).
Original GitHub issue: https://github.com/ollama/ollama/issues/11164

What is the issue?

When I use Ollama to run Qwen2.5-VL, I can get correct responses when using text. However, when using images, only some of the images work properly, while others result in garbled output.

Image

OS

ubuntu

GPU

48G 4090

Ollama version

0.9.0

Originally created by @xiaopang927423 on GitHub (Jun 23, 2025). Original GitHub issue: https://github.com/ollama/ollama/issues/11164 ### What is the issue? When I use Ollama to run Qwen2.5-VL, I can get correct responses when using text. However, when using images, only some of the images work properly, while others result in garbled output. ![Image](https://github.com/user-attachments/assets/027e639d-bfd9-4d89-b526-1cf9b0b05403) ### OS ubuntu ### GPU 48G 4090 ### Ollama version 0.9.0
GiteaMirror added the bug label 2026-04-22 15:26:33 -05:00
GiteaMirror commented 2026-04-22 15:26:35 -05:00
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@rick-github commented on GitHub (Jun 23, 2025):

Does it also happen with the model from the ollama library?

<!-- gh-comment-id:2995722580 --> @rick-github commented on GitHub (Jun 23, 2025): Does it also happen with the model from the ollama library?
GiteaMirror commented 2026-04-22 15:26:36 -05:00
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@xiaopang927423 commented on GitHub (Jun 24, 2025):

Does it also happen with the model from the ollama library?
it does't ,the model from the modelscope

<!-- gh-comment-id:2998661773 --> @xiaopang927423 commented on GitHub (Jun 24, 2025): > Does it also happen with the model from the ollama library? it does't ,the model from the modelscope
GiteaMirror commented 2026-04-22 15:26:36 -05:00
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@rick-github commented on GitHub (Jun 24, 2025):

Then I suggest using the model from the ollama library.

<!-- gh-comment-id:2999691459 --> @rick-github commented on GitHub (Jun 24, 2025): Then I suggest using the model from the ollama library.
GiteaMirror commented 2026-04-22 15:26:37 -05:00
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@xiaopang927423 commented on GitHub (Jun 25, 2025):

Then I suggest using the model from the ollama library.

but i use the model from the ollama library，the response content is not the uploaded image, it starts to talk nonsense.

<!-- gh-comment-id:3004023987 --> @xiaopang927423 commented on GitHub (Jun 25, 2025): > Then I suggest using the model from the ollama library. but i use the model from the ollama library，the response content is not the uploaded image, it starts to talk nonsense.
GiteaMirror commented 2026-04-22 15:26:37 -05:00
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@rick-github commented on GitHub (Jun 25, 2025):

Can you show an example of running the model from the ollama library, and the output that the model gives?

<!-- gh-comment-id:3004030358 --> @rick-github commented on GitHub (Jun 25, 2025): Can you show an example of running the model from the ollama library, and the output that the model gives?
GiteaMirror commented 2026-04-22 15:26:38 -05:00
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@xiaopang927423 commented on GitHub (Jun 25, 2025):

this is response
Image
this is used image
Image

<!-- gh-comment-id:3004148502 --> @xiaopang927423 commented on GitHub (Jun 25, 2025): this is response ![Image](https://github.com/user-attachments/assets/2ad18202-9fda-4ab4-987a-acba6625513b) this is used image ![Image](https://github.com/user-attachments/assets/5a066ec8-4f50-470b-9d4a-0214ef3c1e24)
GiteaMirror commented 2026-04-22 15:26:39 -05:00
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@rick-github commented on GitHub (Jun 25, 2025):

$ ollama -v
ollama version is 0.9.2
$ ollama run qwen2.5vl
>>> 帮我描述一下这个图片 /home/rick/image.png
Added image '/home/rick/image.png'
这张图片展示了一只小熊猫（也称为小熊猫或小熊猫）。小熊猫的毛色主要是橙色和白
色，脸部有明显的白色斑块，眼睛周围有黑色的斑点。它的耳朵是白色的，身体的其他
部分主要是橙色和黑色的混合。小熊猫正站在一个木制的平台上，背景中可以看到一些
树木和绿色的树叶。整体来看，这只小熊猫看起来非常可爱，表情有些严肃。

Server logs may help in debugging.

<!-- gh-comment-id:3004348865 --> @rick-github commented on GitHub (Jun 25, 2025): ```console $ ollama -v ollama version is 0.9.2 $ ollama run qwen2.5vl >>> 帮我描述一下这个图片 /home/rick/image.png Added image '/home/rick/image.png' 这张图片展示了一只小熊猫（也称为小熊猫或小熊猫）。小熊猫的毛色主要是橙色和白 色，脸部有明显的白色斑块，眼睛周围有黑色的斑点。它的耳朵是白色的，身体的其他 部分主要是橙色和黑色的混合。小熊猫正站在一个木制的平台上，背景中可以看到一些 树木和绿色的树叶。整体来看，这只小熊猫看起来非常可爱，表情有些严肃。 ``` [Server logs](https://github.com/ollama/ollama/blob/main/docs/troubleshooting.md#how-to-troubleshoot-issues) may help in debugging.
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