# Can't install gcc-9 from ubuntu-toolchain-r/ test on arm64 **URL:** \ **Category:** Multi CPU Architecture\ **Created:** [April 7, 2020, 10:32am UTC](https://travis-ci.community/t/cant-install-gcc-9-from-ubuntu-toolchain-r-test-on-arm64/8030 "2020-04-07T10:32:51Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![ChinouneMehdi](https://sea1.discourse-cdn.com/flex015/user_avatar/travis-ci.community/chinounemehdi/32/4270_2.png) [@ChinouneMehdi](https://travis-ci.community/u/ChinouneMehdi)\ **Post date:** [April 7, 2020, 10:32am UTC](https://travis-ci.community/t/cant-install-gcc-9-from-ubuntu-toolchain-r-test-on-arm64/8030/1 "2020-04-07T10:32:51Z")
Yesterday, My builds started to fails because of gcc-9 can’t be installed from ubuntu-toolchain-r/test. I got an error message about unmet dependencies, which wasn’t appearing before. [https://travis-ci.com/github/ChinouneMehdi/pFUnit/jobs/315910087](https://travis-ci.com/github/ChinouneMehdi/pFUnit/jobs/315910087) ---
**Author:** ![ChinouneMehdi](https://sea1.discourse-cdn.com/flex015/user_avatar/travis-ci.community/chinounemehdi/32/4270_2.png) [@ChinouneMehdi](https://travis-ci.community/u/ChinouneMehdi)\ **Post date:** [April 22, 2020, 12:43pm UTC](https://travis-ci.community/t/cant-install-gcc-9-from-ubuntu-toolchain-r-test-on-arm64/8030/2 "2020-04-22T12:43:56Z")
Solved ---
**Author:** ![grooverdan](https://sea1.discourse-cdn.com/flex015/user_avatar/travis-ci.community/grooverdan/32/5129_2.png) [@grooverdan](https://travis-ci.community/u/grooverdan)\ **Post date:** [May 12, 2020, 9:35am UTC](https://travis-ci.community/t/cant-install-gcc-9-from-ubuntu-toolchain-r-test-on-arm64/8030/3 "2020-05-12T09:35:22Z")
Recommend reproducing with a little help with qemu/docker like was done semi-recently for s390x with these sort of bugs: [https://bugs.launchpad.net/ubuntu/+source/gcc-10/+bug/1872854](https://bugs.launchpad.net/ubuntu/+source/gcc-10/+bug/1872854)