[Qemu-devel] [Bug 1500175] Re: unable to init msix vectors

[Peter Maydell]

The "unable to init msix vectors" message is just a warning, and is
harmless -- it is expected for the ARM boards. (There's a patch around
that suppresses the incorrect warning but unfortunately it didn't get
into 2.4.)

Your actual problem is that you haven't specified either a guest kernel
(via -kernel) or a firmware image (via a suitable flash drive command).
This means that QEMU executes zeroes (which are nop instructions) from
its start at address 0 all the way to the end of RAM and then stops
because we can't execute out of device registers. (This is approximately
what real hardware would do if you booted it with an uninitialized ROM.)

I suggest you provide QEMU with a suitable kernel that will work on a
versatile PB board.

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https://bugs.launchpad.net/bugs/1500175

Title:
  unable to init msix vectors

Status in QEMU:
  New

Bug description:
  Using the latest stable (2.4.0.1) and earlier releases (at least down
  to 2.2.1), I am unable to run a qemu-system-arm virtualization on a
  Mac OS X Yosemite machine. QEMU was compiled with --enable-sdl.

  Command line:

  qemu-system-arm -device virtio-net,netdev=user.0 -drive
  file=pack,if=virtio,cache=writeback,discard=ignore -netdev
  user,id=user.0,hostfwd=tcp::3499-:22 -cdrom
  /opt/node-4.1.0/packer/2015-05-05-raspbian-wheezy.img -m 512M -boot
  once=d -vnc 0.0.0.0:87 -name packer-qemu -machine type=versatilepb
  -nographic

  Output:

  qemu-system-arm: -device virtio-net,netdev=user.0: unable to init msix 
vectors to 3
  qemu-system-arm: -drive file=pack,if=virtio,cache=writeback,discard=ignore: 
unable to init msix vectors to 2
  qemu: fatal: Trying to execute code outside RAM or ROM at 0x10000000

  R00=00000000 R01=00000000 R02=00000000 R03=00000000
  R04=00000000 R05=00000000 R06=00000000 R07=00000000
  R08=00000000 R09=00000000 R10=00000000 R11=00000000
  R12=00000000 R13=00000000 R14=00000000 R15=10000000
  PSR=400001d3 -Z-- A svc32
  s00=00000000 s01=00000000 d00=0000000000000000
  s02=00000000 s03=00000000 d01=0000000000000000
  s04=00000000 s05=00000000 d02=0000000000000000
  s06=00000000 s07=00000000 d03=0000000000000000
  s08=00000000 s09=00000000 d04=0000000000000000
  s10=00000000 s11=00000000 d05=0000000000000000
  s12=00000000 s13=00000000 d06=0000000000000000
  s14=00000000 s15=00000000 d07=0000000000000000
  s16=00000000 s17=00000000 d08=0000000000000000
  s18=00000000 s19=00000000 d09=0000000000000000
  s20=00000000 s21=00000000 d10=0000000000000000
  s22=00000000 s23=00000000 d11=0000000000000000
  s24=00000000 s25=00000000 d12=0000000000000000
  s26=00000000 s27=00000000 d13=0000000000000000
  s28=00000000 s29=00000000 d14=0000000000000000
  s30=00000000 s31=00000000 d15=0000000000000000
  FPSCR: 00000000
  [1]    1322 abort      qemu-system-arm -device virtio-net,netdev=user.0 
-drive  -netdev  -cdrom  -m

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