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[Bug 1798451] Re: MMX emulation is missing on HVF Acceleration

From: Thomas Huth
Subject: [Bug 1798451] Re: MMX emulation is missing on HVF Acceleration
Date: Thu, 12 Nov 2020 07:17:05 -0000

The QEMU project is currently considering to move its bug tracking to another 
system. For this we need to know which bugs are still valid and which could be 
closed already. Thus we are setting older bugs to "Incomplete" now.
If you still think this bug report here is valid, then please switch the state 
back to "New" within the next 60 days, otherwise this report will be marked as 
"Expired". Or mark it as "Fix Released" if the problem has been solved with a 
newer version of QEMU already. Thank you and sorry for the inconvenience.

** Changed in: qemu
       Status: New => Incomplete

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  MMX emulation is missing on HVF Acceleration

Status in QEMU:

Bug description:
  Robs-MacBook-Pro-2:~ robmaskell$ qemu-system-x86_64 --version
  QEMU emulator version 3.0.0

  Host: MacOS - 10.13.6
    Model Name: MacBook Pro
    Model Identifier:   MacBookPro14,3
    Processor Name:     Intel Core i7
    Processor Speed:    2.8 GHz
    Number of Processors:       1
    Total Number of Cores:      4
    L2 Cache (per Core):        256 KB
    L3 Cache:   6 MB
    Memory:     16 GB

  Guest OS: Elementary Linux Loki 0.4.1, patched up to date

  Command used to start QEMU:

  qemu-system-x86_64 \
    -name ElementaryLokiDev \
    -machine pc,accel=hvf \
    -cpu max \
    -smp cpus=2,sockets=2,cores=1,threads=1,maxcpus=2 \
    -numa node,nodeid=0 \
    -numa cpu,node-id=0,socket-id=0 -numa cpu,node-id=0,socket-id=1 \
    -m 8G \
    -vga vmware \
    -hda e4.qcow2

  Symptoms: Started without the -smp / -numa commands to install the OS,
  then added -smp / -numa and the machine boots and lscpu reports extra
  cpu as expected. Restart VM and it hangs on startup. Remove -smp /
  -numa and machine starts again.

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