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Politely offer to set ignore_msrs (#134)

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* attempt to offer appropriate setting of ignore_msrs if needed

* Removed done TODO

* Revert "Removed done TODO"
to resolve merge conflict since all TODOS removed upstream
This reverts commit eb18fcf82932489534e3c9a244e124740dfcdf01.
This commit is contained in:
Phil Clifford 2021-10-20 01:22:45 +01:00 • committed by GitHub
parent ecd4ed043e
commit 78b9a3f7f2
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1 changed files with 58 additions and 0 deletions
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58
quickemu
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@ -1,6 +1,60 @@
#!/usr/bin/env bash
export LC_ALL=C
function ask_option_msrs() {
ignore_msrs=$(cat /sys/module/kvm/parameters/ignore_msrs)
if [ ${ignore_msrs} = "N" ]; then
while true ; do
read -p "Do you wish to set ignore_msrs now? (y/N)" msrs_response
case $msrs_response:0:1 in
[yY]* ) echo 1 | sudo tee /sys/module/kvm/parameters/ignore_msrs; break;;
* ) break ;;
esac
done
fi
}
function ask_persist_msrs() {
ignore_msrs=$(cat /sys/module/kvm/parameters/ignore_msrs)
#Skip if already persisted, assuming initramfs rebuilt
grep -lq 'ignore_msrs=Y' /etc/modprobe.d/kvm.conf >/dev/null 2>&1 || \
if [ ${ignore_msrs} = "Y" ]; then
echo
echo "To make setting ignore_msrs a more persistant solution you may run the following:"
echo 'echo "options kvm ignore_msrs=Y" | sudo tee -a /etc/modprobe.d/kvm.conf && sudo update-initramfs -k all -u'
echo
while true ; do
read -p "Do you wish to set ignore_msrs at boot? (y/N)" bootrsp
case $bootrsp:0:1 in
[yY]* ) echo "options kvm ignore_msrs=Y" | sudo tee -a /etc/modprobe.d/kvm.conf && sudo update-initramfs -k all -u ; break;;
* ) break ;;
esac
done
fi
}
function ignore_msrs_alert() {
ignore_msrs=$(cat /sys/module/kvm/parameters/ignore_msrs)
if [ ${ignore_msrs} = "N" ]; then
# Some macos and windows installations need this to successfully boot
echo '
If you experience issues booting macos or windows like those mentioned in
https://github.com/wimpysworld/quickemu/issues/88
then you can try the provided solution as a temporary fix by executing:
"echo 1 | sudo tee /sys/module/kvm/parameters/ignore_msrs"'
echo -n "I can do that for you now. " ; ask_option_msrs
fi
ask_persist_msrs
}
function disk_delete() {
if [ -e "${disk_img}" ]; then
rm "${disk_img}"
@ -544,6 +598,8 @@ function vm_boot() {
*) DISPLAY_DEVICE="virtio-vga";;
esac
elif [ "${guest_os}" == "macos" ]; then
# offer ignore_msrs if not set
ignore_msrs_alert
# Tweak video device based on the guest macOS release.
# Displays in System Preferences can be used to select a resolution if:
# - qxl is used on Big Sur and Catalina
@ -554,6 +610,8 @@ function vm_boot() {
*) DISPLAY_DEVICE="VGA";;
esac
elif [ "${guest_os}" == "windows" ]; then
# offer ignore_msrs if not set
ignore_msrs_alert
DISPLAY_DEVICE="qxl-vga"
else
DISPLAY_DEVICE="qxl-vga"