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[Qemu-devel] Windows 10 guest hang during 'info mem'

From: Igor Mammedov
Subject: [Qemu-devel] Windows 10 guest hang during 'info mem'
Date: Fri, 24 Nov 2017 13:57:29 +0100

I've stumbled on WS2016 hang when trying to list memory map in QEMU.

Steps to reproduce:
  qemu-system-x86_64 -monitor stdio -enable-kvm -m 1G ws2016x64.img
 wait till guest boots and execute in monitor 
  (qemu) info mem

qemu will hang while printing mappings, consuming 100% cpu and not
responding to ^C.

I've also tried with old (2.8) and current qemu master and today's
upstream kernel where it also doesn't work but WS2012R2x64 guest
works just fine.

CCing KVM list as the issue happens only when KVM is enabled.

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