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qemu crashes with Assertion `fdctrl->dma' failed
Re-production steps:
git clone today's qemu git tree (4th Oct 2017)
./configure --target-list=ppc64-softmmu && make -j 8
Run the device-crash-test from scripts folder, seeing the following error
INFO: running test case: machine=powernv binary=ppc64-softmmu/qemu-system-ppc64 device=isa-fdc accel=tcg
WARNING: qemu received signal -6: ppc64-softmmu/qemu-system-ppc64 -chardev socket,id=mon,path=/var/tmp/qemu-30972-monitor.sock -mon chardev=mon,mode=control -display none -vga none -S -machine powernv,accel=tcg -device isa-fdc
CRITICAL: failed: machine=powernv binary=ppc64-softmmu/qemu-system-ppc64 device=isa-fdc accel=tcg
CRITICAL: cmdline: ppc64-softmmu/qemu-system-ppc64 -S -machine powernv,accel=tcg -device isa-fdc
CRITICAL: log: qemu-system-ppc64: hw/block/fdc.c:2703: isabus_fdc_realize: Assertion `fdctrl->dma' failed.
CRITICAL: exit code: -6
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