- Original shipping condition: * Dell Farallon + WX2100 * linux-image-4.4.0-36-generic + amdgpu-17.10-429170
- Test procedure: 1. sudo apt install linux-image-4.4.0-xxx-generic linux-headers-4.4.0-xxx-generic 2. reboot Expected behavior System can boot into desktop successfully to the updated kernel Actual behavior Loop at login session - Findings: 1. amdgpu DKMS fails to build exactly between 4.4.0-142(OK) and 4.4.0-143(NG) kernels 2. However, starting from 4.4.0-116 kernel, amdgpu module fails to load with the following error message: amdkcl: version magic '4.4.0-xxx-generic SMP mod_unload modversions' should be '4.4.0-xxx-generic SMP mod_unload modversions retpoline' - In summary, the issue has 2 causes, amdgpu loading error and amdgpu DKMS build error, the former happens in earlier kernel revisions than the latter. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1820323 Title: amdgpu-pro xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1820323/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs