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liuruyi

@xiaowenge debian是有riscv的支持了，我上面参考那个帖子他们这样是能这样用apt下程序

liuruyi

@whycan 请问这个是应该怎么处理呢？

liuruyi

回复: 【D1-H 哪吒开发板】Debian系统安装调教和点灯指南
为什么运行apt update提示不支持riscv64呢？

root@sipeed:/opt# cat /etc/apt/sources.list
deb https://mirrors.aliyun.com/debian-ports/ sid main
root@sipeed:/opt# apt update               
Hit:1 https://mirrors.aliyun.com/debian-ports sid InRelease
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
All packages are up to date.
N: Skipping acquire of configured file 'main/binary-riscv64/Packages' as repository 'https://mirrors.aliyun.com/debian-ports sid InRelease' doesn't support architecture 'riscv64'

liuruyi

回复: 一键生成可定制的Debian rootfs，支持riscv64
按照这个帖子操作的时候，提示无法验证签名，按照网上的说法用apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv
操作之后还是同样的情况，这个应该怎么处理呢？

oot@ubuntu18:/opt/riscv/debian-rootfs# ./make-rootfs.sh riscv64 multistrap_debian-ports.conf
multistrap 2.2.9 using multistrap_debian-ports.conf
multistrap 2.2.9 using multistrap_debian-ports.conf
Using foreign architecture: riscv64
multistrap building riscv64 multistrap on 'amd64'
I: Setting /opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155920Z/lib64 -> /opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155920Z/lib symbolic link.
Getting package lists: APT_CONFIG=/tmp/multistrap.UQSxxX apt-get  -o Apt::Architecture=riscv64 -o Dir::Etc::TrustedParts=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155920Z/etc/apt/trusted.gpg.d -o Dir::Etc::Trusted=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155920Z/etc/apt/trusted.gpg -o Apt::Get::AllowUnauthenticated=true -o Apt::Get::Download-Only=true -o Apt::Install-Recommends=false -o Dir=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155920Z/ -o Dir::Etc=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155920Z/etc/apt/ -o Dir::Etc::Parts=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155920Z/etc/apt/apt.conf.d/ -o Dir::Etc::PreferencesParts=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155920Z/etc/apt/preferences.d/ -o APT::Default-Release='*' -o Dir::State=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155920Z/var/lib/apt/ -o Dir::State::Status=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155920Z/var/lib/dpkg/status -o Dir::Cache=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155920Z/var/cache/apt/ update
获取:1 http://ftp.ports.debian.org/debian-ports unstable InRelease [87.2 kB]
错误:1 http://ftp.ports.debian.org/debian-ports unstable InRelease
  由于没有公钥，无法验证下列签名： NO_PUBKEY B523E5F3FC4E5F2C NO_PUBKEY 8D69674688B6CB36
正在读取软件包列表... 完成   
W: GPG 错误：http://ftp.ports.debian.org/debian-ports unstable InRelease: 由于没有公钥，无法验证下列签名： NO_PUBKEY B523E5F3FC4E5F2C NO_PUBKEY 8D69674688B6CB36
E: 仓库 “http://ftp.debian-ports.org/debian unstable InRelease” 没有数字签名。
N: 无法安全地用该源进行更新，所以默认禁用该源。
N: 参见 apt-secure(8) 手册以了解仓库创建和用户配置方面的细节。
apt update failed. Exit value: 100
mutltistrap with configuration file multistrap_debian-ports.conf failed
root@ubuntu18:/opt/riscv/debian-rootfs# apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv B523E5F3FC4E5F2C
Executing: /tmp/apt-key-gpghome.eCHx9ZKFsz/gpg.1.sh --keyserver hkp://keyserver.ubuntu.com:80 --recv B523E5F3FC4E5F2C
gpg: key B523E5F3FC4E5F2C: 1 signature not checked due to a missing key
gpg: 密钥 B523E5F3FC4E5F2C：公钥“Debian Ports Archive Automatic Signing Key (2023) <ftpmaster@ports-master.debian.org>”已导入
gpg: 合计被处理的数量：1
gpg:               已导入：1
root@ubuntu18:/opt/riscv/debian-rootfs# apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 8D69674688B6CB36
Executing: /tmp/apt-key-gpghome.Zdiw1SO6tD/gpg.1.sh --keyserver hkp://keyserver.ubuntu.com:80 --recv 8D69674688B6CB36
gpg: 密钥 8D69674688B6CB36：公钥“Debian Ports Archive Automatic Signing Key (2024) <ftpmaster@ports-master.debian.org>”已导入
gpg: 合计被处理的数量：1
gpg:               已导入：1
root@ubuntu18:/opt/riscv/debian-rootfs# ./make-rootfs.sh riscv64 multistrap_debian-ports.conf
multistrap 2.2.9 using multistrap_debian-ports.conf
multistrap 2.2.9 using multistrap_debian-ports.conf
Using foreign architecture: riscv64
multistrap building riscv64 multistrap on 'amd64'
I: Setting /opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155947Z/lib64 -> /opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155947Z/lib symbolic link.
Getting package lists: APT_CONFIG=/tmp/multistrap.IsVTPs apt-get  -o Apt::Architecture=riscv64 -o Dir::Etc::TrustedParts=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155947Z/etc/apt/trusted.gpg.d -o Dir::Etc::Trusted=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155947Z/etc/apt/trusted.gpg -o Apt::Get::AllowUnauthenticated=true -o Apt::Get::Download-Only=true -o Apt::Install-Recommends=false -o Dir=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155947Z/ -o Dir::Etc=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155947Z/etc/apt/ -o Dir::Etc::Parts=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155947Z/etc/apt/apt.conf.d/ -o Dir::Etc::PreferencesParts=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155947Z/etc/apt/preferences.d/ -o APT::Default-Release='*' -o Dir::State=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155947Z/var/lib/apt/ -o Dir::State::Status=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155947Z/var/lib/dpkg/status -o Dir::Cache=/opt/riscv/debian-rootfs/build/riscv64/riscv64-rootfs-20231128T155947Z/var/cache/apt/ update
获取:1 http://ftp.ports.debian.org/debian-ports unstable InRelease [87.2 kB]
错误:1 http://ftp.ports.debian.org/debian-ports unstable InRelease
  由于没有公钥，无法验证下列签名： NO_PUBKEY B523E5F3FC4E5F2C NO_PUBKEY 8D69674688B6CB36
正在读取软件包列表... 完成   
W: GPG 错误：http://ftp.ports.debian.org/debian-ports unstable InRelease: 由于没有公钥，无法验证下列签名： NO_PUBKEY B523E5F3FC4E5F2C NO_PUBKEY 8D69674688B6CB36
E: 仓库 “http://ftp.debian-ports.org/debian unstable InRelease” 没有数字签名。
N: 无法安全地用该源进行更新，所以默认禁用该源。
N: 参见 apt-secure(8) 手册以了解仓库创建和用户配置方面的细节。
apt update failed. Exit value: 100
mutltistrap with configuration file multistrap_debian-ports.conf failed

liuruyi

使用的是2G的那张哪吒开发板，镜像是使用全志提供的sdk，其中在board.dts中加入了下面的内容预留了128M内存，其它无改动。

reserved-memory {
          #address-cells = <2>;
          #size-cells = <2>;
          ranges;

          foobar_reserved {
            compatible = "shared-dma-pool";
            no-map;
            reg = <0x0 0xb0000000 0x0 0x08000000>;
          };
        };

为什么代码里面可以读到这段空间的内容，但是gdb不行呢？
在本地一个centos8的虚拟机里面按照类似这样的操作，gdb是可以访问的。

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