From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 197951] QEMU/KVM & VFIO & PCI passthru with Windows 10 x64
 guest: memory access intermittently causes CRITICAL_STRUCTURE_CORRUPTION BSOD
 unless swap is disabled on host, since 4.12.13
Date: Thu, 14 Dec 2017 07:57:28 +0000
Message-ID: <bug-197951-28872-65e6lwIrNw@https.bugzilla.kernel.org/>
References: <bug-197951-28872@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=197951

--- Comment #16 from Ladi Prosek (lprosek@redhat.com) ---
(In reply to Ladi Prosek from comment #15)
> (In reply to Fabian Grünbichler from comment #13)
> > FWIW, the 4.13 and 4.14 issue was caused by the linked series, and a
> > subsequent patch[1] solved it completely for us.
> > 
> > 1: https://lkml.kernel.org/r/<20171130180546.4331-1-rkrcmar@redhat.com>
> 
> Thanks! I have added this patch to my kernel (4.13.16 based, built locally,
> reproduces the BSOD). Will report back in a few days.

No crashes so far. The fix is in Linus's tree:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b1394e745b9453dcb5b0671c205b770e87dedb87

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