HP — Using the Power-up Sequence to Troubleshoot

Troubleshooting hp designjet 4000 series printer service manual 1-11 Step Initialization Process 18 „ Remount the root filesystem read-write. „ LVM initialization. „ Clear mtab. „ Enter root, /proc and (potentially /proc/bus/usb and devfs into mtab. „ Remove /lib/modules/preferred and /lib/modules/default. „ Tweak isapnp settings if needed. „ Load sound modules if the need persistent DMA buffers. 17 „ Load modules from /etc/rc.modules. „ File system check. „ Add raid devices. 16 „ Setup Logical Volume Management. „ Check filesystems on all volumes found on /etc/fstab. 15 Mount local filesystems. 14 Check remaining quotas other than root. 13 Enable local filesystem quotas.

12 „ Configure machine if necessary (if the respective configure files exist). „ Reread in network configuration data. 11 „ Clean out /etc, (w/u)tmpx files, /var. „ Reset pam console permissions. _ „ Cleanup utmp/wtmp. „ Delete X locks. „ Delete VNC and X locks. „ Delete Postgres sockets. „ Turn On swap in case we swap to files. 10 „ Initialize the Serial Ports. „ If a SCSI tape has been detected, load the st module unconditionally. „ Load usb storage to match most other things. „ If ide-scsi is required, load it. „ Generate a header that defines the boot kernel. 9 „ Dump the syslog ring in /var/log/dmesg. „ Keep kernel symbols in /var/log/ksyms.

„ Create the crash indicator flag to warn on crashes, offer fsck with timeout. 8 Export this variable BOOT PART and INSTALL PART. _ _