[已解决]ERROR: Unexpected bus error encountered in worker. This might be caused by......

女爷i 2023-10-09 18:49 53阅读 0赞

1.  **运行环境**：远程linux服务器，Pytorch环境
2.  **问题描述**：

*      ERROR: Unexpected bus error encountered in worker. This might be caused by insufficient shared memory (shm).
        
        # 错误：工作线程中遇到意外的总线错误。这可能是由共享内存 （shm） 不足引起的。
 *  如图：

![660bbe8af51144f2b3f465112d7bf128.png][]

![1237b8193283445ba15f9d3230c00462.png][]

--------------------

1.  **原因分析**：问题定位到是和dataloader的numworker设置有关，可能是由于numworker设置的过大引起的。

*  解决：将numworker设置为小于原来的设置数量，如设置为原来的一半。
 *  参考：如何设置numworker，及numworker的工作的原理参考：

[Pytorch DataLoader中的num\_workers (选择最合适的num\_workers值)\_numworkers设置多少\_堇禤的博客-CSDN博客][Pytorch DataLoader_num_workers _num_workers_numworkers_-CSDN]

[660bbe8af51144f2b3f465112d7bf128.png]: https://img-blog.csdnimg.cn/660bbe8af51144f2b3f465112d7bf128.png
[1237b8193283445ba15f9d3230c00462.png]: https://img-blog.csdnimg.cn/1237b8193283445ba15f9d3230c00462.png
[Pytorch DataLoader_num_workers _num_workers_numworkers_-CSDN]: https://blog.csdn.net/CRW__DREAM/article/details/128700648?spm=1001.2101.3001.6650.2&utm_medium=distribute.pc_relevant.none-task-blog-2~default~CTRLIST~Rate-2-128700648-blog-119653283.235%5Ev31%5Epc_relevant_yljh&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2~default~CTRLIST~Rate-2-128700648-blog-119653283.235%5Ev31%5Epc_relevant_yljh

[已解决]ERROR: Unexpected bus error encountered in worker. This might be caused by......

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