[Qemu-devel] [Bug 1728256] Re: Memory corruption in Windows 10 guest / amd64

[Dmitrii Shcherbakov <1728256@bugs.launchpad.net>]

Got similar behavior with windows server 2012r2 VMs.

Environment:

uname -a
Linux ubuntu-q87 4.13.0-37-generic #42~16.04.1-Ubuntu SMP Wed Mar 7 16:03:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

ii  linux-image-4.13.0-36-generic
4.13.0-36.40~16.04.1                                               amd64
Linux kernel image for version 4.13.0 on 64 bit x86 SMP

apt policy qemu
qemu:
  Installed: (none)
  Candidate: 1:2.11+dfsg-1ubuntu5~cloud0
  Version table:
     1:2.11+dfsg-1ubuntu5~cloud0 500

Windows VMs error out and create a memory dump:

The computer has rebooted from a bugcheck.  The bugcheck was: 0x00000109
(0xa3a01f5891f186c5, 0xb3b72bdee47188a0, 0x0000032000000000,
0x0000000000000017). A dump was saved in: C:\Windows\MEMORY.DMP. Report
Id: 033018-31234-01.

Based on microsoft docs:

https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/bug-check-0x109---critical-structure-corruption
CRITICAL_STRUCTURE_CORRUPTION Parameters
Parameter  Description
1 Reserved
2 Reserved
3 Reserved
4 The type of the corrupted region. (See the following table later on this page.)

...
0x17 Local APIC modification <--- this


Which is the same as with other reports out there:

https://www.spinics.net/lists/kvm/msg159977.html
https://forum.proxmox.com/threads/new-windows-vm-keeps-dying.39145/#post-193639


>From what I see the change was backported but there was no new build yet.
 
http://kernel.ubuntu.com/git/ubuntu/ubuntu-xenial.git/commit/arch/x86/kvm/x86.c?h=hwe&id=78d2542b88d16

See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1738972

I suggest this is marked as a duplicate to 1738972

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https://bugs.launchpad.net/bugs/1728256

Title:
  Memory corruption in Windows 10 guest / amd64

Status in QEMU:
  New
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I have a Win 10 Pro x64 guest inside a qemu/kvm running on an Arch x86_64 host. The VM has a physical GPU passed through, as well as the physical USB controllers, as well as a dedicated SSD attached via SATA; you can find the complete libvirt xml here: https://pastebin.com/U1ZAXBNg
  I built qemu from source using the qemu-minimal-git AUR package; you can find the build script here: https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=qemu-minimal-git (if you aren't familiar with Arch, this is essentially a bash script where build() and package() are run to build the files, and then install them into the $pkgdir to later tar them up.)

  Starting with qemu v2.10.0, Windows crashes randomly with a bluescreen
  about CRITICAL_STRUCTURE_CORRUPTION. I also tested the git heads
  f90ea7ba7c, 861cd431c9 and e822e81e35, before I went back to v2.9.0,
  which is running stable for over 50 hours right now.

  During my tests I found that locking the memory pages alleviates the
  problem somewhat, but never completely avoids it. However, with the
  crashes occuring randomly, that could as well be false conclusions; I
  had crashes within minutes after boot with that too.

  I will now start `git bisect`ing; if you have any other suggestions on
  what I could try or possible patches feel free to leave them with me.

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