Builds of glibc and cross-toolchain-base-ports are in groovy proposed. Therefore in proposed (where things build) one can already again install the dependencies: # apt install gcc-alpha-linux-gnu Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: libnvpair1linux libuutil1linux libzfs2linux libzpool2linux Use 'apt autoremove' to remove them. The following additional packages will be installed: binutils binutils-alpha-linux-gnu binutils-common binutils-x86-64-linux-gnu cpp-10-alpha-linux-gnu cpp-alpha-linux-gnu gcc-10-alpha-linux-gnu gcc-10-alpha-linux-gnu-base gcc-10-cross-base-ports libatomic1-alpha-cross libbinutils libc6.1-alpha-cross libc6.1-dev-alpha-cross libctf0 libgcc-10-dev-alpha-cross libgcc-s1-alpha-cross libgomp1-alpha-cross libitm1-alpha-cross linux-libc-dev-alpha-cross Suggested packages: binutils-doc gcc-10-locales cpp-doc gcc-10-doc autoconf automake libtool flex bison gdb-alpha-linux-gnu gcc-doc The following NEW packages will be installed: binutils-alpha-linux-gnu cpp-10-alpha-linux-gnu cpp-alpha-linux-gnu gcc-10-alpha-linux-gnu gcc-10-alpha-linux-gnu-base gcc-10-cross-base-ports gcc-alpha-linux-gnu libatomic1-alpha-cross libc6.1-alpha-cross libc6.1-dev-alpha-cross libgcc-10-dev-alpha-cross libgcc-s1-alpha-cross libgomp1-alpha-cross libitm1-alpha-cross linux-libc-dev-alpha-cross The following packages will be upgraded: binutils binutils-common binutils-x86-64-linux-gnu libbinutils libctf0 5 upgraded, 15 newly installed, 0 to remove and 121 not upgraded. Need to get 27.4 MB of archives. After this operation, 71.1 MB of additional disk space will be used. Do you want to continue? [Y/n] Y Get:1 http://archive.ubuntu.com/ubuntu groovy/main amd64 libctf0 amd64 2.35-3ubuntu1 [47.4 kB] Get:2 http://archive.ubuntu.com/ubuntu groovy/main amd64 binutils-x86-64-linux-gnu amd64 2.35-3ubuntu1 [1644 kB] Get:3 http://archive.ubuntu.com/ubuntu groovy/main amd64 libbinutils amd64 2.35-3ubuntu1 [481 kB] Get:4 http://archive.ubuntu.com/ubuntu groovy/main amd64 binutils amd64 2.35-3ubuntu1 [3376 B] Get:5 http://archive.ubuntu.com/ubuntu groovy/main amd64 binutils-common amd64 2.35-3ubuntu1 [212 kB] Get:6 http://archive.ubuntu.com/ubuntu groovy/universe amd64 gcc-10-alpha-linux-gnu-base amd64 10.2.0-3ubuntu1cross1 [20.3 kB] Get:7 http://archive.ubuntu.com/ubuntu groovy/universe amd64 cpp-10-alpha-linux-gnu amd64 10.2.0-3ubuntu1cross1 [6359 kB] Get:8 http://archive.ubuntu.com/ubuntu groovy/universe amd64 cpp-alpha-linux-gnu amd64 4:10.1.0-1ubuntu1 [6136 B] Get:9 http://archive.ubuntu.com/ubuntu groovy/universe amd64 binutils-alpha-linux-gnu amd64 2.35-3ubuntu1 [1129 kB] Get:10 http://archive.ubuntu.com/ubuntu groovy/universe amd64 gcc-10-cross-base-ports all 10.2.0-3ubuntu1cross1 [15.4 kB] Get:11 http://archive.ubuntu.com/ubuntu groovy-proposed/universe amd64 libc6.1-alpha-cross all 2.32-0ubuntu3cross2 [1189 kB] Get:12 http://archive.ubuntu.com/ubuntu groovy/universe amd64 libgcc-s1-alpha-cross all 10.2.0-3ubuntu1cross1 [30.2 kB] Get:13 http://archive.ubuntu.com/ubuntu groovy/universe amd64 libgomp1-alpha-cross all 10.2.0-3ubuntu1cross1 [99.5 kB] Get:14 http://archive.ubuntu.com/ubuntu groovy/universe amd64 libitm1-alpha-cross all 10.2.0-3ubuntu1cross1 [27.0 kB] Get:15 http://archive.ubuntu.com/ubuntu groovy/universe amd64 libatomic1-alpha-cross all 10.2.0-3ubuntu1cross1 [8356 B] Get:16 http://archive.ubuntu.com/ubuntu groovy/universe amd64 libgcc-10-dev-alpha-cross all 10.2.0-3ubuntu1cross1 [265 kB] Get:17 http://archive.ubuntu.com/ubuntu groovy/universe amd64 gcc-10-alpha-linux-gnu amd64 10.2.0-3ubuntu1cross1 [12.8 MB] Get:18 http://archive.ubuntu.com/ubuntu groovy/universe amd64 gcc-alpha-linux-gnu amd64 4:10.1.0-1ubuntu1 [1412 B] Get:19 http://archive.ubuntu.com/ubuntu groovy-proposed/universe amd64 linux-libc-dev-alpha-cross all 5.8.0-19.20cross2 [1092 kB] Get:20 http://archive.ubuntu.com/ubuntu groovy-proposed/universe amd64 libc6.1-dev-alpha-cross all 2.32-0ubuntu3cross2 [1971 kB] Fetched 27.4 MB in 4s (6587 kB/s) (Reading database ... 57783 files and directories currently installed.) Preparing to unpack .../00-libctf0_2.35-3ubuntu1_amd64.deb ... Unpacking libctf0:amd64 (2.35-3ubuntu1) over (2.35-2ubuntu1) ... Preparing to unpack .../01-binutils-x86-64-linux-gnu_2.35-3ubuntu1_amd64.deb ... Unpacking binutils-x86-64-linux-gnu (2.35-3ubuntu1) over (2.35-2ubuntu1) ... Preparing to unpack .../02-libbinutils_2.35-3ubuntu1_amd64.deb ... Unpacking libbinutils:amd64 (2.35-3ubuntu1) over (2.35-2ubuntu1) ... Preparing to unpack .../03-binutils_2.35-3ubuntu1_amd64.deb ... Unpacking binutils (2.35-3ubuntu1) over (2.35-2ubuntu1) ... Preparing to unpack .../04-binutils-common_2.35-3ubuntu1_amd64.deb ... Unpacking binutils-common:amd64 (2.35-3ubuntu1) over (2.35-2ubuntu1) ... Selecting previously unselected package gcc-10-alpha-linux-gnu-base:amd64. Preparing to unpack .../05-gcc-10-alpha-linux-gnu-base_10.2.0-3ubuntu1cross1_amd64.deb ... Unpacking gcc-10-alpha-linux-gnu-base:amd64 (10.2.0-3ubuntu1cross1) ... Selecting previously unselected package cpp-10-alpha-linux-gnu. 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Setting up linux-libc-dev-alpha-cross (5.8.0-19.20cross2) ... Setting up binutils-common:amd64 (2.35-3ubuntu1) ... Setting up binutils-alpha-linux-gnu (2.35-3ubuntu1) ... Setting up libc6.1-alpha-cross (2.32-0ubuntu3cross2) ... Setting up libgcc-s1-alpha-cross (10.2.0-3ubuntu1cross1) ... Setting up libatomic1-alpha-cross (10.2.0-3ubuntu1cross1) ... Setting up libgomp1-alpha-cross (10.2.0-3ubuntu1cross1) ... Setting up gcc-10-alpha-linux-gnu-base:amd64 (10.2.0-3ubuntu1cross1) ... Setting up libbinutils:amd64 (2.35-3ubuntu1) ... Setting up libctf0:amd64 (2.35-3ubuntu1) ... Setting up libc6.1-dev-alpha-cross (2.32-0ubuntu3cross2) ... Setting up libitm1-alpha-cross (10.2.0-3ubuntu1cross1) ... Setting up cpp-10-alpha-linux-gnu (10.2.0-3ubuntu1cross1) ... Setting up cpp-alpha-linux-gnu (4:10.1.0-1ubuntu1) ... Setting up binutils-x86-64-linux-gnu (2.35-3ubuntu1) ... Setting up libgcc-10-dev-alpha-cross (10.2.0-3ubuntu1cross1) ... Setting up binutils (2.35-3ubuntu1) ... Setting up gcc-10-alpha-linux-gnu (10.2.0-3ubuntu1cross1) ... Setting up gcc-alpha-linux-gnu (4:10.1.0-1ubuntu1) ... Processing triggers for libc-bin (2.31-0ubuntu11) ... Processing triggers for man-db (2.9.3-2) ... Is that enough to kick plenty of retries or do you want to wait for something before doing so?