From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 104271] Boot crashes on Lenovo W520 with KVM and Discrete
Graphic enabled in BIOS
Date: Wed, 09 Sep 2015 19:25:14 +0000
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Alex Williamson changed:
What |Removed |Added
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CC| |alex.williamson@redhat.com
--- Comment #3 from Alex Williamson ---
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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