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Implement KVM support validation in reset.sh

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Add KVM support checks and error handling
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Kroese 2025-10-08 13:37:53 +02:00 committed by GitHub
parent 7300ffa3e6
commit 755182d9f3
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1 changed files with 50 additions and 0 deletions
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src/reset.sh
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@ -141,6 +141,55 @@ if [[ "$RAM_CHECK" != [Nn]* ]] && (( (RAM_WANTED + RAM_SPARE) > RAM_AVAIL )); th
info "$msg"
fi
# Check KVM support
if [[ "$KVM" == [Nn]* ]]; then
warn "KVM acceleration is disabled, this will cause the machine to run about 10 times slower!"
else
if [[ "${ARCH,,}" != "amd64" ]]; then
KVM="N"
warn "your CPU architecture is ${ARCH^^} and cannot provide KVM acceleration for x64 instructions, so the machine will run about 10 times slower."
fi
fi
if [[ "$KVM" != [Nn]* ]]; then
KVM_ERR=""
if [ ! -e /dev/kvm ]; then
KVM_ERR="(/dev/kvm is missing)"
else
if ! sh -c 'echo -n > /dev/kvm' &> /dev/null; then
KVM_ERR="(/dev/kvm is unwriteable)"
else
flags=$(sed -ne '/^flags/s/^.*: //p' /proc/cpuinfo)
if ! grep -qw "vmx\|svm" <<< "$flags"; then
KVM_ERR="(not enabled in BIOS)"
fi
fi
fi
if [ -n "$KVM_ERR" ]; then
KVM="N"
if [[ "$OSTYPE" =~ ^darwin ]]; then
warn "you are using macOS which has no KVM support, so the machine will run about 10 times slower."
else
kernel=$(uname -a)
case "${kernel,,}" in
*"microsoft"* )
error "Please bind '/dev/kvm' as a volume in the optional container settings when using Docker Desktop." ;;
*"synology"* )
error "Please make sure that Synology VMM (Virtual Machine Manager) is installed and that '/dev/kvm' is binded to this container." ;;
*)
error "KVM acceleration is not available $KVM_ERR, this will cause the machine to run about 10 times slower."
error "See the FAQ for possible causes, or disable acceleration by adding the \"KVM=N\" variable (not recommended)." ;;
esac
[[ "$DEBUG" != [Yy1]* ]] && exit 88
fi
fi
fi
# Cleanup files
rm -f /run/shm/qemu.*
rm -f /run/shm/dsm.url
@ -149,6 +198,7 @@ rm -f /run/shm/dsm.url
rm -rf /tmp/dsm
rm -rf "$STORAGE/tmp"
: "${COM_PORT:="2210"}" # Comm port
: "${MON_PORT:="7100"}" # Monitor port
: "${WEB_PORT:="5000"}" # Webserver port