[Qemu-devel] [Bug 1158912] [NEW] QEMU Version 1.4.0 - SLIRP hangs VM

[Kenneth Salerno]

Public bug reported:

(Note: problem is not present in version 1.3.0)

Stacktrace: please see attached gdb log file.

Steps to reproduce:

1. gdb -x debug-qemu.gdb testing/qemu-1.4.0/ppc64-softmmu/qemu-system-
ppc64

Contents of debug-qemu.gdb:

run -L ./testing/qemu-1.4.0/pc-bios  -name "[DEBUG] Software und System-
Entwicklung IBM POWER7" -cpu POWER7_v2.3 -M pseries -m 1024 -rtc
base=utc -nodefaults -vga std -monitor vc -serial vc -netdev
type=user,id=mynet0,hostfwd=tcp:127.0.0.1:9011-10.0.2.11:22 -device
virtio-net-pci,netdev=mynet0 -drive file=images/suse-
ppc.img,if=virtio,index=0,media=disk,cache=unsafe -kernel
images/iso/suseboot/vmlinux -append "root=/dev/mapper/system-root ro
audit=0 selinux=0 apparmor=0" -initrd images/iso/suseboot/initrd.img
-drive if=scsi,bus=0,unit=0,media=cdrom


2. build information
    QEMU: ppc64 full emulation, version 1.4.0
    Host OS: Windows XP
    Guest OS: openSUSE 12.2 kernel 3.4.6-2.10-ppc64

    PATH=/usr/i686-pc-mingw32/sys-root/mingw/bin:$PATH
    PKG_CONFIG_LIBDIR=/usr/i686-pc-mingw32/sys-root/mingw/lib/pkgconfig
    THREADS=4
    export PKG_CONFIG_LIBDIR
    
    sed -i 's/--static-libs/--static --libs/' configure
    CC=i686-pc-mingw32-gcc ./configure \
          --target-list=ppc64-softmmu \
          --enable-debug \
          --enable-sdl \
          --static \
          --enable-fdt && \
    sed -i 's/ -Wl,--dynamicbase//g; s/-Wl,--nxcompat //g;'  config-host.mak && 
\
    make -j$THREADS && {
          echo "renaming binw.exe to bin.exe..."
          for i in `echo $TARGET_LIST | tr ',' ' '`; do
                 BINARCH=`echo $i | sed 's/-softmmu//'`
                 mv $i/qemu-system-${BINARCH}w.exe \
                        $i/qemu-system-$BINARCH.exe
          done
    }

   
3. From VM: 
    Command to hang VM: zypper dup
    Last message before VM hang:  Retrieving repository 'openSUSE-12.2-12.2-0' 
metadata -----------------------[|]

** Affects: qemu
     Importance: Undecided
         Status: New

** Attachment added: "GDB stacktrace before and after hang"
   
https://bugs.launchpad.net/bugs/1158912/+attachment/3590693/+files/qemu-debug-gdb.out

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https://bugs.launchpad.net/bugs/1158912

Title:
  QEMU Version 1.4.0 - SLIRP hangs VM

Status in QEMU:
  New

Bug description:
  (Note: problem is not present in version 1.3.0)

  Stacktrace: please see attached gdb log file.

  Steps to reproduce:

  1. gdb -x debug-qemu.gdb testing/qemu-1.4.0/ppc64-softmmu/qemu-system-
  ppc64

  Contents of debug-qemu.gdb:

  run -L ./testing/qemu-1.4.0/pc-bios  -name "[DEBUG] Software und
  System-Entwicklung IBM POWER7" -cpu POWER7_v2.3 -M pseries -m 1024
  -rtc base=utc -nodefaults -vga std -monitor vc -serial vc -netdev
  type=user,id=mynet0,hostfwd=tcp:127.0.0.1:9011-10.0.2.11:22 -device
  virtio-net-pci,netdev=mynet0 -drive file=images/suse-
  ppc.img,if=virtio,index=0,media=disk,cache=unsafe -kernel
  images/iso/suseboot/vmlinux -append "root=/dev/mapper/system-root ro
  audit=0 selinux=0 apparmor=0" -initrd images/iso/suseboot/initrd.img
  -drive if=scsi,bus=0,unit=0,media=cdrom

  
  2. build information
      QEMU: ppc64 full emulation, version 1.4.0
      Host OS: Windows XP
      Guest OS: openSUSE 12.2 kernel 3.4.6-2.10-ppc64

      PATH=/usr/i686-pc-mingw32/sys-root/mingw/bin:$PATH
      PKG_CONFIG_LIBDIR=/usr/i686-pc-mingw32/sys-root/mingw/lib/pkgconfig
      THREADS=4
      export PKG_CONFIG_LIBDIR
      
      sed -i 's/--static-libs/--static --libs/' configure
      CC=i686-pc-mingw32-gcc ./configure \
            --target-list=ppc64-softmmu \
            --enable-debug \
            --enable-sdl \
            --static \
            --enable-fdt && \
      sed -i 's/ -Wl,--dynamicbase//g; s/-Wl,--nxcompat //g;'  config-host.mak 
&& \
      make -j$THREADS && {
            echo "renaming binw.exe to bin.exe..."
            for i in `echo $TARGET_LIST | tr ',' ' '`; do
                   BINARCH=`echo $i | sed 's/-softmmu//'`
                   mv $i/qemu-system-${BINARCH}w.exe \
                          $i/qemu-system-$BINARCH.exe
            done
      }

     
  3. From VM: 
      Command to hang VM: zypper dup
      Last message before VM hang:  Retrieving repository 
'openSUSE-12.2-12.2-0' metadata -----------------------[|]

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