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Sun Fire[TM] 12K/15K/E20K/E25K: Solaris[TM] 10 DR detach of IO Board containing the dman interface fails with "Device busy: dr@0:IO<##>::pci2" (Doc ID 1007939.1)

Last updated on APRIL 13, 2021

Applies to:

Sun Fire 15K Server - Version All Versions and later
Sun Fire E25K Server - Version All Versions and later
Solaris Operating System - Version 8 and later
Sun Fire 12K Server - Version All Versions and later
Sun Fire E20K Server - Version All Versions and later
All Platforms

Symptoms

On Solaris[TM] 10 Operating System, an attempt to DR detach an IO Board containing the dman interface fails w/ the error "Device busy: dr@0:IOXX::pci2" where IO<##> = the number of the board targeted for removal.

Examples:
(from domain)

# cfgadm -c unconfigure IO16
May 5 14:50:50 domain-h dr: WARNING: Device busy: dr@0:IO16::pci2
cfgadm: Hardware specific failure: unconfigure IO16: Device busy: dr@0:IO16::pci2

(from SC)

sc0:sms-svc> rcfgadm -d b -c unconfigure IO16
rcfgadm: Hardware specific failure: unconfigure IO16: Device busy: dr@0:IO16::pci2

(also from SC)

sc0:sms-svc> deleteboard io16
request offline /devices/pci@21d,700000
request offline /devices/pci@21d,600000
request offline /devices/pci@21c,700000
request offline /devices/pci@21c,600000
request offline /devices/pci@21d,700000 done
request offline /devices/pci@21d,600000 done
request offline /devices/pci@21c,700000 done
request offline /devices/pci@21c,600000 done
unconfigure IO16
notify online /devices/pci@21d,700000
notify online /devices/pci@21d,600000
notify online /devices/pci@21c,700000
notify online /devices/pci@21c,600000
notify online /devices/pci@21d,700000 done
notify online /devices/pci@21d,600000 done
notify online /devices/pci@21c,700000 done
notify online /devices/pci@21c,600000 done
notify capacity change IO16 done

ERROR: Unable to unassign IO16 from domain: B
deleteboard: Hardware specific failure: unconfigure IO16: Device busy: dr@0:IO16::pci2

Changes

{CHANGE}

Cause

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