If this bug is happening with 4.13.0-21, it's probably not PTI related. I'll build a test kernel with the commit you posted in the description and post it shortly.
** Tags removed: pti -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1742630 Title: PTI Kernels: Booting from 4.13 leads to Oops: NULL pointer dereference - RIP: isci_task_abort_task+0x30/0x3e0 [isci] Status in Linux: Fix Released Status in linux package in Ubuntu: Triaged Status in linux source package in Artful: Triaged Bug description: I cannot boot from 4.13.0-21-generic Oops: NULL pointer dereference - RIP: isci_task_abort_task+0x30/0x3e0 [isci] This Kernel bug was already fixed in Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=882414 Relevant discussion: https://marc.info/?l=linux-scsi&m=151523964725984&w=2 Ubuntu needs to fix this, because otherwise _many_ people will complain about crashes when they upgrade from 4.9 (or 4.4) to 4.13, which Ubuntu defined as their new “HWE” kernel. To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1742630/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
