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unexpected error: raw_reconfigure_getfd(): qemu-system-x86_64: Could not reopen file
Unexpected error in raw_reconfigure_getfd() at block/file-posix.c:923:
qemu-system-x86_64: Could not reopen file: Permission denied
Aborted
Is what i sometimes (only) get, mostly for Linux guests i'd say (Arch just a few moments ago).
This is on CRUX-Linux, thus a self-compiled qemu 4.0.0 with default recipe, without special compiler flags (-O2 -march=x86-64 -pipe) on an Intel i5 laptop.
But what i do is running this via sudo:
sudo='sudo --preserve-env=VMNAME,VMADDR' runas='-runas vm -chroot .'
fi
VMADDR=$addr VMNAME=$vmname
export VMADDR VMNAME
eval exec $sudo qemu-system-x86_64 -name $vmname $runas \
$host $accel $display $net $vmcustom $vmimg $redir
the last run ends up like (via sudo)
qemu-system-x86_64 -name arch-2019 -runas vm -chroot . -cpu host -m size=1984 -smp cpus=2 -enable-kvm -accel accel=kvm,thread=multi -display curses -net nic,netdev=net0,macaddr=.. -netdev tap,id=net0,script=./.ifup.sh,downscript=./.ifdown.sh,ifname=vm_arch-2019
vm is a user effectively living in the chroot only without any rights anywhere.
Hope this helps, thanks a lot for qemu!!
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