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Qemu ARMv7 TCG MultiThreading for i386 guest doesn't work
Using any Linux image (in this case Alpine Linux iso) and want to use all cores of my Raspberry with --accel,thread=multi. I know there is a probably still problem with memory ordering of the host but I have also seen some very old commits which could potentially help with it.
But anyway, with version qemu-i386 version 3.1.0 (Debian 1:3.1+dfsg-7)
I can see OpenRC starting up services and then the kernel crash.
With version QEMU emulator version 3.1.93 (v4.0.0-rc3-dirty)
The whole machine crash with this error:
Illegal instruction
Using command:
./qemu-system-i386 -cdrom alpine.iso --accel tcg,thread=multi
Full Console Output:
qemu-system-i386: warning: Guest expects a stronger memory ordering than the host provides
This may cause strange/hard to debug errors
Illegal instruction
Kernel:
Linux raspberrypi 4.14.98-v7+ #1200 SMP Tue Feb 12 20:27:48 GMT 2019 armv7l GNU/Linux
CPU:
ARMv7 Processor rev 5 (v7l)
Features: half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm
4 cores
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