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Posted to commits@nuttx.apache.org by "Shark7Pepper (via GitHub)" <gi...@apache.org> on 2023/07/11 06:13:52 UTC
[GitHub] [nuttx] Shark7Pepper opened a new issue, #9775: Experiencing system crashes with upd sendto
Shark7Pepper opened a new issue, #9775:
URL: https://github.com/apache/nuttx/issues/9775
Version nuttx8.2. mtu is set to 1500.When I transfer data using udp protocol, using function sendto() with parameter len set to 4096, the system crashes. I want to know why? Does 8.2 support ip segmentation and how do I configure the system?
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[GitHub] [nuttx] acassis commented on issue #9775: Experiencing system crashes with upd sendto
Posted by "acassis (via GitHub)" <gi...@apache.org>.
acassis commented on issue #9775:
URL: https://github.com/apache/nuttx/issues/9775#issuecomment-1630806843
@Shark7Pepper did you try to reproduce the issue in a recent NuttX version? If the issue still happening in the mainline we will fix it.
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[GitHub] [nuttx] xiaoxiang781216 commented on issue #9775: Experiencing system crashes with upd sendto
Posted by "xiaoxiang781216 (via GitHub)" <gi...@apache.org>.
xiaoxiang781216 commented on issue #9775:
URL: https://github.com/apache/nuttx/issues/9775#issuecomment-1630921691
it's possible now If the new ip fragment is enabled.:)
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[GitHub] [nuttx] patacongo commented on issue #9775: Experiencing system crashes with upd sendto
Posted by "patacongo (via GitHub)" <gi...@apache.org>.
patacongo commented on issue #9775:
URL: https://github.com/apache/nuttx/issues/9775#issuecomment-1630872278
I don't think NuttX UDP supports transfers > sizeof(MTU)
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[GitHub] [nuttx] fjpanag commented on issue #9775: Experiencing system crashes with upd sendto
Posted by "fjpanag (via GitHub)" <gi...@apache.org>.
fjpanag commented on issue #9775:
URL: https://github.com/apache/nuttx/issues/9775#issuecomment-1631273999
@Shark7Pepper can you please describe the "crash" that you are facing?
This has been discussed [here](https://lists.apache.org/thread/rlf40pkcqdxn15h6gtzl50m6fz0f5xt1), and it was fixed in #9423. Is this the same issue that you are facing?
Which arch are you using? At least in the STM32 driver there seems to be an issue that can also cause a crash with large datagrams.
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