[Bug 104271] Boot crashes on Lenovo W520 with KVM and Discrete Graphic enabled in BIOS

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https://bugzilla.kernel.org/show_bug.cgi?id=104271

Alex Williamson <alex.williamson@xxxxxxxxxx> changed:

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                 CC|                            |alex.williamson@xxxxxxxxxx

--- Comment #3 from Alex Williamson <alex.williamson@xxxxxxxxxx> ---
You might get more attention moving this bug to Drivers/PCI and including the
full dmesg or console log of the failure and lspci -vvv so we know something
about your system.  If it doesn't boot, there are always screen shots or
netconsole if you're serial port challenged.

KVM is a hypervisor, it has nothing to do with your system not booting.  More
likely it's something with the IOMMU.  Does disabling VT-d help?  What about
booting with iommu=pt?  BTW, reproducing on another W520 doesn't mean the
hardware isn't broken, it just means this isn't a point defect.  Hardware is
broken a disturbing amount of the time.

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