I tracked it down to https://patchwork.kernel.org/patch/10027157/ just before 4.15-rc1. This appears to affect all DL360/DL380 Gen9 I've encountered so far. Opened https://bugzilla.kernel.org/show_bug.cgi?id=199779 and currently working with Sinan Kaya to disagnose.
I tracked it down to https:/ /patchwork. kernel. org/patch/ 10027157/ just before 4.15-rc1. This appears to affect all DL360/DL380 Gen9 I've encountered so far. Opened https:/ /bugzilla. kernel. org/show_ bug.cgi? id=199779 and currently working with Sinan Kaya to disagnose.