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[Qemu-devel] [Bug 1334307] Re: isapc and pc-0.10 to pc-0.13 memory layou


From: Don Slutz
Subject: [Qemu-devel] [Bug 1334307] Re: isapc and pc-0.10 to pc-0.13 memory layout changed in 2.0.0
Date: Mon, 04 Aug 2014 22:12:31 -0000

Fixed in QEMU 2.1.0

** Changed in: qemu
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1334307

Title:
  isapc and pc-0.10 to pc-0.13 memory layout changed in 2.0.0

Status in QEMU:
  Fix Released

Bug description:
  Using bash script:

  for j in isapc pc-0.10 pc-0.11 pc-0.12 pc-0.13 pc-0.14;do for i in 17 20 21 
21x;do echo machine=$j on $i;~/qemu/out$i/i386-softmmu/qemu-system-i386 -M $j 
-m 3.5G -monitor stdio -vnc 0.0.0.0:11 <<EOF
  info mtree
  q
  EOF
  done; done >~/zall

  Where out17 is a build of v1.7.0, out20 is v2.0.0, out21 is master
  and out21x is with the provided patch you get:

  build2:~/qemu>grep machine\\\|monitor\\\|pc.ram ~/zall
  machine=isapc on 17
  QEMU 1.7.0 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=isapc on 20
  QEMU 2.0.0 monitor - type 'help' for more information
    0000000000000000-00000000bfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000bfffffff
    0000000100000000-000000011fffffff (prio 0, RW): alias ram-above-4g @pc.ram 
00000000c0000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=isapc on 21
  QEMU 2.0.50 monitor - type 'help' for more information
    0000000000000000-00000000bfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000bfffffff
    0000000100000000-000000011fffffff (prio 0, RW): alias ram-above-4g @pc.ram 
00000000c0000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=isapc on 21x
  QEMU 2.0.50 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.10 on 17
  QEMU 1.7.0 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.10 on 20
  QEMU 2.0.0 monitor - type 'help' for more information
    0000000000000000-00000000bfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000bfffffff
    0000000100000000-000000011fffffff (prio 0, RW): alias ram-above-4g @pc.ram 
00000000c0000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.10 on 21
  QEMU 2.0.50 monitor - type 'help' for more information
    0000000000000000-00000000bfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000bfffffff
    0000000100000000-000000011fffffff (prio 0, RW): alias ram-above-4g @pc.ram 
00000000c0000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.10 on 21x
  QEMU 2.0.50 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.11 on 17
  QEMU 1.7.0 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.11 on 20
  QEMU 2.0.0 monitor - type 'help' for more information
    0000000000000000-00000000bfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000bfffffff
    0000000100000000-000000011fffffff (prio 0, RW): alias ram-above-4g @pc.ram 
00000000c0000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.11 on 21
  QEMU 2.0.50 monitor - type 'help' for more information
    0000000000000000-00000000bfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000bfffffff
    0000000100000000-000000011fffffff (prio 0, RW): alias ram-above-4g @pc.ram 
00000000c0000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.11 on 21x
  QEMU 2.0.50 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.12 on 17
  QEMU 1.7.0 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.12 on 20
  QEMU 2.0.0 monitor - type 'help' for more information
    0000000000000000-00000000bfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000bfffffff
    0000000100000000-000000011fffffff (prio 0, RW): alias ram-above-4g @pc.ram 
00000000c0000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.12 on 21
  QEMU 2.0.50 monitor - type 'help' for more information
    0000000000000000-00000000bfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000bfffffff
    0000000100000000-000000011fffffff (prio 0, RW): alias ram-above-4g @pc.ram 
00000000c0000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.12 on 21x
  QEMU 2.0.50 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.13 on 17
  QEMU 1.7.0 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.13 on 20
  QEMU 2.0.0 monitor - type 'help' for more information
    0000000000000000-00000000bfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000bfffffff
    0000000100000000-000000011fffffff (prio 0, RW): alias ram-above-4g @pc.ram 
00000000c0000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.13 on 21
  QEMU 2.0.50 monitor - type 'help' for more information
    0000000000000000-00000000bfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000bfffffff
    0000000100000000-000000011fffffff (prio 0, RW): alias ram-above-4g @pc.ram 
00000000c0000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.13 on 21x
  QEMU 2.0.50 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.14 on 17
  QEMU 1.7.0 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.14 on 20
  QEMU 2.0.0 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.14 on 21
  QEMU 2.0.50 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram
  machine=pc-0.14 on 21x
  QEMU 2.0.50 monitor - type 'help' for more information
    0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 
0000000000000000-00000000dfffffff
  pc.ram
  0000000000000000-00000000dfffffff (prio 0, RW): pc.ram

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