[Qemu-devel] [Bug 1353149] Re: qemu 2.1.0 fails to start if number of cores is greater than 1.

[Andrey Korolyov]

-smp 1,maxcpus=4,sockets=1,cores=4,threads=1

should be

-smp 4,maxcpus=4,sockets=1,cores=4,threads=1

although more human-friendly error is more appropriate there (better
than a silent fallback to either 1- or 4- core topology)

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https://bugs.launchpad.net/bugs/1353149

Title:
  qemu 2.1.0 fails to start if number of cores is greater than 1.

Status in QEMU:
  New

Bug description:
  qemu (kvm) 2.1.0 (built from sources) fails to start if number of
  cores is greater than 1.

  relevant part of commandline arguments:

  /usr/bin/qemu-system-x86_64 -name test3 -S -machine pc-
  i440fx-2.1,accel=kvm,usb=off -cpu Westmere -m 4096 -realtime mlock=off
  -smp 1,maxcpus=4,sockets=1,cores=4,threads=1

  the error reported is:

  qemu-system-x86_64: /home/asavah/pkgbuild/qemu-2.1.0/hw/i386/smbios.c:825: 
smbios_get_tables: Assertion `smbios_smp_sockets >= 1' failed.
  2014-08-05 21:45:35.825+0000: shutting down

  however setting 4 sockets with 1 core each allows me to start the
  machine just fine.

  the system is debian wheezy
  Linux hostname 3.16.0-hostname2 #2 SMP Mon Aug 4 17:02:16 EEST 2014 x86_64 
GNU/Linux

  libvirt 1.2.7 (built from sources)

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