Question

使用以下docker-compose.yml：

services:
  scanner:
    image: debian:buster
    build:
      context: ./scanner
    environment:
      - SOME=env
    volumes:
      - /srv/scanning:/srv/documents 
    devices:
      - "/dev/bus/usb/001/002:/dev/bus/usb/001/002"
    ports:
      - "8022:22"

和以下Dockerfile：

FROM debian:buster
RUN apt update && DEBIAN_FRONTEND=noninteractive apt install -y \
    openssh-server \
    sane \
    sane-utils \
    wget \
    && rm -rf /var/lib/apt/lists/* \
    && wget http://www.brother.com/pub/bsc/linux/dlf/brscan4-0.4.2-1.amd64.deb && dpkg -i brscan4-0.4.2-1.amd64.deb

#RUN mkdir /var/run/sshd

ADD set_user_env.sh /set_user_env.sh
ADD run.sh /run.sh
ADD public_key.pub /public_key.pub
RUN chmod +x /*.sh

RUN mkdir -p /var/run/sshd && sed -i "s/UsePrivilegeSeparation.*/UsePrivilegeSeparation no/g" /etc/ssh/sshd_config \
    && sed -i 's/PermitRootLogin without-password/PermitRootLogin yes/' /etc/ssh/sshd_config \
    && touch /root/.Xauthority

EXPOSE 22
CMD ["/run.sh"]

构建和运行容器可以完美地工作，但是如果我通过SSH登录后运行命令 scanimage （或 scanadf ），则会得到一个核心文件。

使用gdb调试（直接从容器中）可得到以下输出： root @ 4bd921cbe331：〜＃gdb scanimage核心

[... license details ...]
Reading symbols from scanimage...(no debugging symbols found)...done.
[New LWP 2028]
Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error
Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error
Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Core was generated by `scanimage'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007efd4ac4185b in __pthread_initialize_minimal_internal
294 nptl-init.c: No such file or directory.

有趣的是（或者不是？），我可以执行 sane-find-scanner 二进制文件而不会出现问题，它会正确列出扫描器。

更多调试：

root@425bf5deb998:~# ldd `which scanimage`
    linux-vdso.so.1 (0x00007ffd57d8a000)
    libsane.so.1 => /lib/x86_64-linux-gnu/libsane.so.1 (0x00007f1e04496000)
    libpng16.so.16 => /lib/x86_64-linux-gnu/libpng16.so.16 (0x00007f1e04a93000)
    libjpeg.so.62 => /lib/x86_64-linux-gnu/libjpeg.so.62 (0x00007f1e0422d000)
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f1e03e73000)
    libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f1e03c6f000)
    libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f1e03a51000)
    libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f1e036be000)
    /lib64/ld-linux-x86-64.so.2 (0x00007f1e048ab000)

root@425bf5deb998:~# find / -name libpthread\* 2> /dev/null 
/usr/lib/x86_64-linux-gnu/libpthread-2.27.so
/usr/lib/x86_64-linux-gnu/libpthread.so.0

root@425bf5deb998:~# l /usr/lib/x86_64-linux-gnu/libpthread-2.27.so
-rwxr-xr-x 1 root root 135K Mar 29 19:47 /usr/lib/x86_64-linux-gnu/libpthread-2.27.so
root@425bf5deb998:~# l /usr/lib/x86_64-linux-gnu/libpthread.so.0
lrwxrwxrwx 1 root root 18 Mar 29 19:47 /usr/lib/x86_64-linux-gnu/libpthread.so.0 -> libpthread-2.27.so

Docker中的Sane-utils Binaries核心转储

0 个答案: