pbuf(packet buffer)是LwIP协议栈中用于表示数据包或数据缓冲区的结构体,ref是一个引用计数,用于跟踪有多少个实体正在使用这个缓冲区。当pbuf的引用计数不大于0时,调用pbuf_free来释放它是不合法的,因为这意味着该缓冲区可能已经被释放或者从未被正确引用,这会导致未定义的行为或程序崩溃。
The error appeared twice in 3 hours. assertion "pbuf_free: p->ref > 0" failed: file "/Users/ficeto/Desktop/ESP32/ESP32/esp-idf-public/components/lwip/core/pbuf.c", line 694, function: pbuf_free abort() was called at PC 0x400d825b on core 1 Backtrace: 0x400882f0:0x3ffd11c0 0x...
Security Insights Additional navigation options New issue Closed Description iloop2020 espressif-bot added Status: OpenedIssue is new on May 5, 2021 github-actions changed the titleassertion "pbuf_free: p->ref > 0" failed:assertion "pbuf_free: p->ref > 0" failed: (IDFGH-5213)on May 5, ...
prvxMBTCPPortReceive( void *pvArg, struct tcp_pcb *pxPCB, struct pbuf *p, err_t xErr ) function, then my code is working perfectly, my device can handle multiple TCP request one by one. but whe i am adding above function then i am getting below errors...
LWIP2.1.2版本程序连续运行1个小时左右出现断言“Assertion "pbuf_free: p->ref > 0" failed at ...
Assertion "pbuf_free: p->ref > 0" failed at line 650 in ..\LWIP\lwip-1.4.1\src\core\pbuf.c这是什么问题lwip里正常运行都没问题,但运行久了,就会跳出这个问题,之 ...
I am seeing a very occasional "pbuf_free: p->ref > 0" running ESP-IDF v4.1-rc-15-gbd72a9ab2-dirty The application uses many network features (SNTP, DHCP client, TCP, UDP, AWS IoT client). It also coexists with BT. It will often run for days, sometimes weeks, but will eventuall...
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