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fix: Improve UEFI boot failure detection (#2042)

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Kroese
2026-08-04 13:01:14 +02:00
committed by GitHub
parent 2da8322dba
commit c212e22073
1 changed files with 39 additions and 28 deletions
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src/power.sh
+39 -28
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@@ -16,6 +16,13 @@ CONSOLE_PID="$QEMU_DIR/console.pid"
CONSOLE_SOCKET="$QEMU_DIR/console.sock"
QEMU_START_PID="$QEMU_DIR/qemu.start.pid"
UEFI_SHELL_MESSAGE='UEFI Interactive Shell'
LEGACY_BOOT_PATTERN='^Booting from (Hard Disk|DVD/CD)'
UEFI_BOOT_PATTERN='BdsDxe: starting Boot[[:xdigit:]]{4} '
UEFI_NO_BOOT_MESSAGE='BdsDxe: No bootable option or device was found.'
UEFI_DVD_BOOT_PATTERN='BdsDxe: starting Boot[[:xdigit:]]{4} "UEFI QEMU .*DVD-ROM'
UEFI_WINDOWS_BOOT_PATTERN='BdsDxe: starting Boot[[:xdigit:]]{4} "Windows Boot Manager" from .*HD\('
bootStatus() {
[ ! -s "$QEMU_PTY" ] && return 1
@@ -25,7 +32,7 @@ bootStatus() {
# Only inspect output produced after the most recent BIOS boot attempt so
# stale failures from an earlier device do not affect the current state.
line=$(grep -nE '^Booting from (Hard Disk|DVD/CD)' "$QEMU_PTY" | tail -1)
line=$(getBootMarker)
[ -z "$line" ] && return 1
last="${line#*:}"
@@ -66,28 +73,26 @@ bootStatus() {
# OVMF logs every boot option it tries. Track the newest attempt and only
# evaluate messages emitted from that point onward.
line=$(grep -nE \
'BdsDxe: starting Boot[[:xdigit:]]{4} ' \
"$QEMU_PTY" | tail -1)
line=$(getBootMarker)
[ -z "$line" ] && return 1
last="${line#*:}"
recent=$(tail -n +"${line%%:*}" "$QEMU_PTY")
if [[ "$last" == *'"Windows Boot Manager"'* ]]; then
return 0
fi
grep -Eq \
'BdsDxe: failed to start Boot[[:xdigit:]]{4} "UEFI QEMU .*DVD-ROM.*: Time out' \
<<< "$recent" && return 2
grep -Fq \
"BdsDxe: No bootable option or device was found." \
<<< "$recent" && return 2
grep -Fq "$UEFI_NO_BOOT_MESSAGE" <<< "$recent" && return 2
grep -Fq "$UEFI_SHELL_MESSAGE" <<< "$recent" && return 2
grep -Fq "UEFI Interactive Shell" <<< "$recent" && return 2
# A failed device attempt is transitional because OVMF may immediately try
# another boot target. Clear pending success and wait for the next attempt.
grep -Eq \
'BdsDxe: failed to start Boot[[:xdigit:]]{4} ' \
<<< "$recent" && return 5
grep -Eq "$UEFI_WINDOWS_BOOT_PATTERN" <<< "$last" && return 3
grep -Eq \
-e '"UEFI QEMU .*DVD-ROM' \
@@ -252,18 +257,28 @@ ready() {
return 1
fi
local last
last=$(grep -E \
'BdsDxe: starting Boot[[:xdigit:]]{4} ' \
"$QEMU_PTY" | tail -1)
local line last recent
line=$(getBootMarker)
[ -z "$line" ] && return 1
last="${line#*:}"
recent=$(tail -n +"${line%%:*}" "$QEMU_PTY")
# Only a Windows Boot Manager entry loaded from a hard disk proves that setup
# has progressed far enough for an ACPI shutdown request to be appropriate.
grep -Eq \
'BdsDxe: starting Boot[[:xdigit:]]{4} "Windows Boot Manager" from .*HD\(' \
<<< "$last" && return 0
grep -Eq "$UEFI_WINDOWS_BOOT_PATTERN" <<< "$last" || return 1
return 1
# Reject failures emitted after this exact boot attempt. Without these checks,
# a failed Windows Boot Manager entry remains classified as ready indefinitely.
grep -Eq \
'BdsDxe: failed to start Boot[[:xdigit:]]{4} "Windows Boot Manager"' \
<<< "$recent" && return 1
grep -Fq "$UEFI_NO_BOOT_MESSAGE" <<< "$recent" && return 1
grep -Fq "$UEFI_SHELL_MESSAGE" <<< "$recent" && return 1
return 0
}
sendKey() {
@@ -347,9 +362,7 @@ bootKeyDelay() {
if [[ "${BOOT_MODE,,}" == "windows_legacy" ]]; then
grep -Fq "Booting from DVD/CD" "$QEMU_PTY" || return 1
else
grep -Eq \
'BdsDxe: starting Boot[[:xdigit:]]{4} "UEFI QEMU .*DVD-ROM' \
"$QEMU_PTY" || return 1
grep -Eq "$UEFI_DVD_BOOT_PATTERN" "$QEMU_PTY" || return 1
fi
echo 0.5
@@ -359,13 +372,11 @@ bootKeyDelay() {
getBootMarker() {
if [[ "${BOOT_MODE,,}" == "windows_legacy" ]]; then
grep -nE '^Booting from (Hard Disk|DVD/CD)' "$QEMU_PTY" | tail -1
grep -nE "$LEGACY_BOOT_PATTERN" "$QEMU_PTY" | tail -1
return 0
fi
grep -nE \
'BdsDxe: starting Boot[[:xdigit:]]{4} ' \
"$QEMU_PTY" | tail -1
grep -nE "$UEFI_BOOT_PATTERN" "$QEMU_PTY" | tail -1
return 0
}