Fail to start XEN PV VPS in SolusVM: RuntimeError: Unable to find partition containing kernel

Symptoms

• Fail to start XEN PV VPS in SolusVM - it stays offline
• When trying to start the VPS manually there is an error:

  # xl create /home/xen/vm101/vm101.cfg
  libxl: error: libxl_bootloader.c:649:bootloader_finished: Domain 1838:bootloader failed - consult logfile /var/log/xen/bootloader.1838.log
  libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: bootloader [1146] exited with error status 1
  libxl: error: libxl_create.c:1290:domcreate_rebuild_done: Domain 1838:cannot (re-)build domain: -3
  libxl: error: libxl_domain.c:1038:libxl__destroy_domid: Domain 1838:Non-existant domain
  libxl: error: libxl_domain.c:993:domain_destroy_callback: Domain 1838:Unable to destroy guest
  libxl: error: libxl_domain.c:920:domain_destroy_cb: Domain 1838:Destruction of domain failed

• In the log file from error /var/log/xen/bootloader.1838.log there is an error:

  CONFIG_TEXT: File "/usr/lib64/xen/bin/pygrub", line 929, in <module>
  raise RuntimeError, "Unable to find partition containing kernel"
  RuntimeError: Unable to find partition containing kernel

Cause

PyGrub kernel is set up for VPS.

Resolution

1. Login to SolusVM admin panel
2. Browse to SolusVM > Virtual Servers > VPS
3. In Settings section set Kernel as 'Default' and click Set
   
   
4. Click Rewrite Config
   
   
5. Shutdown and Boot the VPS