vasilito
4325590686
Includes: init (PID 1), hiperiso-lib.sh, qemu_launch.sh, hw_collect.sh, kvm_check.sh, fallback_boot.sh, log_flush.sh, conf_replace.sh, make_floppy.sh. 13-phase boot timing, 18 QEMU HMP commands, network pcap capture.
95 lines
3.5 KiB
Bash
Executable File
95 lines
3.5 KiB
Bash
Executable File
#!/bin/sh
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# ============================================================
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# fallback_boot.sh -- Structured failure capture when KVM absent
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#
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# Called by init when hardware virtualization is unavailable
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# and hiperiso_fallback is not "1". Writes structured session
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# metadata (session.json, status.json, FAILURE.txt) so the boot
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# attempt is captured even though no QEMU guest was launched,
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# then warns the user and offers to reboot.
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# ============================================================
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. /hiperiso-lib.sh
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# ── Capture structured failure data ───────────────────────────
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if [ -n "${LOG_DIR:-}" ] && [ -d "$LOG_DIR" ]; then
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hiperiso_log "FALLBACK: KVM unavailable -- capturing failure session"
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hiperiso_write_session_meta "failed"
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hiperiso_write_status "failed" "fallback_no_kvm"
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{
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printf '========================================\n'
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printf ' hiperiso FAILURE: KVM Unavailable\n'
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printf '========================================\n\n'
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printf 'ISO: %s\n' "${HIPERISO_ISO_PATH:-unknown}"
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printf 'Session: %s\n' "$(hiperiso_session_id)"
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printf 'Timestamp: %s\n' "$(hiperiso_utc_iso)"
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printf 'Reason: KVM not detected (VT-x/AMD-V unavailable)\n\n'
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printf 'No QEMU guest was launched. No serial.log or\n'
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printf 'trace.bin was produced for this session.\n'
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printf '========================================\n'
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} > "${LOG_DIR}/FAILURE.txt"
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sync "${LOG_DIR}/FAILURE.txt" 2>/dev/null || sync
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hiperiso_run_report
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# Finalize so the failed session gets a canonical manifest and an
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# entry in the global JSONL index (failed sessions are indexed too).
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hiperiso_finalize_session "failed" "" "fallback_no_kvm"
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fi
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# Clear the terminal
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printf '\033[2J\033[H'
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printf '\n'
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printf '======================================================\n'
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printf ' WARNING: Hardware Virtualization (KVM) Unavailable \n'
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printf '======================================================\n'
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printf '\n'
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printf ' hiperiso requires KVM (Intel VT-x or AMD-V) to run\n'
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printf ' an ISO as a guest virtual machine.\n'
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printf '\n'
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printf ' KVM was NOT detected on this system, so this ISO\n'
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printf ' cannot be booted in hypervisor mode.\n'
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printf '\n'
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printf ' Possible reasons:\n'
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printf ' 1. The CPU does not support VT-x / AMD-V\n'
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printf ' 2. Virtualization is disabled in BIOS/UEFI\n'
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printf ' 3. KVM kernel modules failed to load\n'
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printf '\n'
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printf ' How to proceed:\n'
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printf ' - Reboot, enable VT-x/AMD-V in BIOS/UEFI, retry\n'
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printf ' - Use a direct-boot tool (e.g. Rufus, balenaEtcher) for this ISO\n'
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printf ' - Reboot with hiperiso_fallback=1 on the kernel\n'
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printf ' command line to force TCG emulation (very slow)\n'
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printf '\n'
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if [ -n "${LOG_DIR:-}" ] && [ -d "$LOG_DIR" ]; then
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printf ' Failure session captured: %s\n' "$LOG_DIR"
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printf '\n'
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fi
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printf '======================================================\n'
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printf '\n'
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printf ' Press ENTER to reboot to the boot menu,\n'
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printf ' or type "shell" for a recovery shell: '
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read -r _choice
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case "$_choice" in
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shell|sh)
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printf '\nDropping to recovery shell...\n'
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exec /bin/sh
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;;
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*)
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printf '\nRebooting...\n'
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sync
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if command -v reboot >/dev/null 2>&1; then
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reboot -f
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else
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# Fallback: magic SysRq
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printf 'b' > /proc/sysrq-trigger 2>/dev/null
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fi
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# Should not reach here
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exit 0
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;;
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esac
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