The 4.11 kernels are likely to cause issues on certain Intel SSDs when used with (I think) to Kaby Lake hosts. Insufficiently tested fix here: https://lkml.kernel.org/r/db392f7634625bea0ede96c119b500d16ba9e9db.1495663545.git.luto@kernel.org FWIW, those same SSDs are apparently already highly problematic when running XFS on all hosts, but the new regression affects them regardless of filesystem.
kernel-4.11.3-302.fc26 has been submitted as an update to Fedora 26. https://bodhi.fedoraproject.org/updates/FEDORA-2017-f8e901b2eb
kernel-4.11.3-202.fc25 has been submitted as an update to Fedora 25. https://bodhi.fedoraproject.org/updates/FEDORA-2017-b52e769b35
kernel-4.11.3-302.fc26 has been pushed to the Fedora 26 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-f8e901b2eb
kernel-4.11.3-202.fc25 has been pushed to the Fedora 25 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-b52e769b35
kernel-4.11.3-202.fc25 has been pushed to the Fedora 25 stable repository. If problems still persist, please make note of it in this bug report.