Verified diagnostic signature
Boot is delayed or degraded by a device, mount, or unit dependency.
Match output from systemd, understand the likely cause, then continue with sourced, read-only checks.
- Confidence
- high
- Platforms
- linux
- Verified
- 2026-07-24
Recognized output
Signature matched locally
Failed to mountOneLiners matches this pattern in your browser. Your pasted output is not stored or indexed.
Likely causes
What usually produces this signal
- Missing device
- Incorrect fstab entry
- Slow network mount
- Filesystem check failure
Safe next checks
Collect evidence before changing the system
Show the boot critical path and activation delays
systemd-analyze critical-chainThe output matches the expected target and exits without an error.
Show kernel and service warnings from the current boot
journalctl -b -p warning..alert --no-pager -o short-isoThe output matches the expected target and exits without an error.
List failed systemd services
systemctl --failedThe output matches the expected target and exits without an error.