[docker/yolov7] RuntimeError: DataLoader worker (pid 2662) is killed by signal: Bus error. It is possible that dataloader's workers are out of shared memory. Please try to raise your shared memory limit.

상황

도커 컨테이너에서 학습 돌리려는데 다음과 같은 에러가 발생함

 

 

에러

RuntimeError: DataLoader worker (pid 2662) is killed by signal: Bus error. It is possible that dataloader's workers are out of shared memory. Please try to raise your shared memory limit.

 

 

 

원인

shared memory가 적어서 학습을 돌릴수 없다고 함

 

 

 

해결방안

shared memory 확인

docker inspect ubuntu | grep -i shm(도커 외부)

df -h (도커 내부)

root:/usr/src/yolov7# df -h
Filesystem      Size  Used Avail Use% Mounted on
overlay         879G  610G  225G  74% /
tmpfs            64M     0   64M   0% /dev
tmpfs            32G     0   32G   0% /sys/fs/cgroup
shm              64M  320K   64M   1% /dev/shm
/dev/sda2       879G  610G  225G  74% /etc/hosts
tmpfs            32G     0   32G   0% /proc/acpi
tmpfs            32G     0   32G   0% /proc/scsi
tmpfs            32G     0   32G   0% /sys/firmware

현재 기본값인 64M로 잡혀있음

 

 

 

sheared memory 변경하기

docker run --rm -it --name ubuntu --shm-size=2gb ubuntu