lwIP - A Lightweight TCP/IP stack - Bugs: bug #51033, LWIP_ASSERT while doing repetitive...
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bug #51033: LWIP_ASSERT while doing repetitive transmission
Submitter: | preet <preetpal> | ||
Submitted: | Tue 16 May 2017 01:34:08 AM UTC | ||
Category: | IPv4 | Severity: | 3 - Normal |
Item Group: | Crash Error | Status: | Invalid |
Privacy: | Public | Assigned to: | None |
Open/Closed: | Closed | Planned Release: | None |
lwIP version: | 2.0.2 |
Jump to the original submission
Thu 18 May 2017 07:32:55 AM UTC, comment #10: |
Simon Goldschmidt <goldsimon> |
Wed 17 May 2017 11:24:26 PM UTC, comment #9: Found the REAL root cause. When the linkoutput function called our Ethernet output, and all of the ethernet transmit descriptors were consumed, we returned with an error:
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preet <preetpal> |
Wed 17 May 2017 10:53:13 PM UTC, comment #8: Simon,
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Fayek <fwahhab> |
Tue 16 May 2017 08:39:20 PM UTC, comment #7: Yes, tcpip_input is passed to the input function:
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preet <preetpal> |
Tue 16 May 2017 07:33:16 PM UTC, comment #6:
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Simon Goldschmidt <goldsimon> |
Tue 16 May 2017 07:26:27 PM UTC, comment #5: 1) Reproduced it with Nagle algorithm off and a simple loop to calls send() function inside the loop.
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preet <preetpal> |
Tue 16 May 2017 07:09:56 PM UTC, comment #4: 1) pbuf_cat() is called multiple times from tcp_write(). Could you tell us the line please?
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Simon Goldschmidt <goldsimon> |
Tue 16 May 2017 02:23:24 AM UTC, comment #3: One more important update:
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preet <preetpal> |
Tue 16 May 2017 02:06:19 AM UTC, comment #2: Disregard the previous comment... it is still hitting the assertion.
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preet <preetpal> |
Tue 16 May 2017 01:59:02 AM UTC, comment #1: As I as fiddling with the LWIP options, it looks like I introduced this problem. When I use the default settings, then it works:
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preet <preetpal> |
Tue 16 May 2017 01:34:08 AM UTC, original submission:
During some rigorous LWIP tests, I hit an LWIP exception while using the following code:
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preet <preetpal> |
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Follow 2 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2017-05-18 | goldsimon | Status | None | Invalid | |
Open/Closed | Open | Closed |
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Corresponding source code
I already thought it's something like this... :-)