rhel7: system wont boot, dracut messages "fork: Cannot allocate memory"
Issue
- We have a RHEL7 server that wont boot, see attached image for failure. We see dracut messages "fork: Cannot allocate memory".
- I see this, booting rhel7:
[ OK ] Reached target Swap.
Starting Remount Root and Kernel File Systems...
[ OK ] Stopped Trigger Flushing of Journal to Persistent Storage.
Stopping Journal Service...
[ OK ] Stopped Journal Service.
Starting Journal Service...
[FAILED] Failed to start Journal Service.
See 'systemctl status systemd-journald.service' for details.
[DEPEND] Dependency failed for Trigger Flushing of Journal to...istent Storage.
[ OK ] Mounted Debug File System.
[FAILED] Failed to start Create list of required static devic...current kernel.
See 'systemctl status kmod-static-nodes.service' for details.
[FAILED] Failed to mount POSIX Message Queue File System.
See 'systemctl status dev-mqueue.mount' for details.
[FAILED] Failed to mount Huge Pages File System.
See 'systemctl status dev-hugepages.mount' for details.
[FAILED] Failed to start Monitoring of LVM2 mirrors, snapshot...ogress polling.
See 'systemctl status lvm2-monitor.service' for details.
Environment
- Red Hat Enterprise Linux (RHEL) 7
- dracut
- boot
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