Hi Jamie,
Can you also try booting with 'intel_iommu=igfx_off' instead and let us
know your results. This will disable IOMMU for the graphics controller.
I've also cut and pasted your device info below just to help with
debugging:
00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor
Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA
controller])
Subsystem: Lenovo Device [17aa:215a]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 45
Region 0: Memory at f2000000 (64-bit, non-prefetchable) [size=4M]
Region 2: Memory at d0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at 1800 [size=8]
Expansion ROM at <unassigned> [disabled]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
** Changed in: linux (Ubuntu)
Importance: Medium => Undecided
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/911236
Title:
DMAR:[fault reason 05] PTE Write access is not set
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