tested on linux-image-4.7.0-040700rc5-generic_4.7.0-040700rc5.201606262232_amd64
problem still exist
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1598068
Title:
regression: amd-vi(amd_iommu) crash kernel
Status in linux package in Ubuntu:
Confirmed
Bug description:
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
---
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC3: sunnydrake 1903 F.... pulseaudio
/dev/snd/controlC2: sunnydrake 1903 F.... pulseaudio
/dev/snd/controlC0: sunnydrake 1903 F.... pulseaudio
/dev/snd/controlC1: sunnydrake 1903 F.... pulseaudio
CurrentDesktop: GNOME
DistroRelease: Ubuntu 16.04
HibernationDevice: RESUME=UUID=0b0b6284-f02f-4543-98d7-2e63ba854127
InstallationDate: Installed on 2016-02-10 (142 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
MachineType: To be filled by O.E.M. To be filled by O.E.M.
Package: linux (not installed)
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-28-generic
root=/dev/mapper/ubuntu--vg--root--raid-lvm_root ro
vfio_iommu_type1.allow_unsafe_interrupts=0 vfio_iommu_type1.disable_hugepages=1
modules-load=vfio-pci amd_iommu_dump=1 amd_iommu=1
ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
RelatedPackageVersions:
linux-restricted-modules-4.4.0-28-generic N/A
linux-backports-modules-4.4.0-28-generic N/A
linux-firmware 1.157.1
RfKill:
Tags: xenial
Uname: Linux 4.4.0-28-generic x86_64
UpgradeStatus: Upgraded to xenial on 2016-06-23 (8 days ago)
UserGroups: adm cdrom dip fuse libvirtd lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 10/25/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1605
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: M5A97
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1605:bd10/25/2012:svnTobefilledbyO.E.M.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnASUSTeKCOMPUTERINC.:rnM5A97:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: To be filled by O.E.M.
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