Public bug reported:
works in kernel 3.9
not working in current 4.4.0-28-generic
kernel options ivrs_ioapic[x]= workaround to fix ivrs table
cause kernel Oops on boot
if needed can provide more info (dunno how dmesg not saved)
Description: Ubuntu 16.04 LTS
Release: 16.04
package: linux-image-4.4.0-28-generic
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: kernel-bug
** Attachment added: "version.log"
https://bugs.launchpad.net/bugs/1598068/+attachment/4693344/+files/version.log
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https://bugs.launchpad.net/bugs/1598068
Title:
regression: amd-vi(amd_iommu) crash kernel
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