kern/162160: 9-RC1 over IPMI Virtual CD causes unexpected behaviur

[George Kontostanos]

>Number:         162160
>Category:       kern
>Synopsis:       9-RC1 over IPMI Virtual CD causes unexpected behaviur
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Oct 29 23:50:05 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     George Kontostanos
>Release:        FreeBSD 9 RC1
>Organization:
barebsd
>Environment:
9.0-RC1 FreeBSD 9.0-RC1 /usr/obj/usr/src/sys/GENERIC  amd64
>Description:
When trying to boot from a mounted a virtual CD from supermicro IPMI the system begins an infinite loop. Installation can not be performed.

Also mounting a virtual CD from supermicro IPMI causes the following messages: 

ugen0.4: <vendor 0x0ea0> at usbus0
umass1: <vendor 0x0ea0 product 0x2222, class 0/0, rev 2.00/2.00, addr 4> on usbus0
umass1:  SCSI over Bulk-Only; quirks = 0x0000
umass1:3:1:-1: Attached to scbus3
umass2: <vendor 0x0ea0 product 0x2222, class 0/0, rev 2.00/2.00, addr 4> on usbus0
umass2:  8070i (ATAPI) over Bulk-Only; quirks = 0x0000
umass2:4:2:-1: Attached to scbus4
(probe0:umass-sim1:1:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0 
(probe0:umass-sim1:1:0:0): CAM status: SCSI Status Error
(probe0:umass-sim1:1:0:0): SCSI status: Check Condition
(probe0:umass-sim1:1:0:0): SCSI sense: No sense data present
(probe0:umass-sim1:1:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0 
(probe0:umass-sim1:1:0:0): CAM status: SCSI Status Error
(probe0:umass-sim1:1:0:0): SCSI status: Check Condition
(probe0:umass-sim1:1:0:0): SCSI sense: No sense data present
(probe0:umass-sim1:1:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0 
(probe0:umass-sim1:1:0:0): CAM status: SCSI Status Error
(probe0:umass-sim1:1:0:0): SCSI status: Check Condition
(probe0:umass-sim1:1:0:0): SCSI sense: No sense data present
(probe0:umass-sim1:1:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0 
(probe0:umass-sim1:1:0:0): CAM status: SCSI Status Error
(probe0:umass-sim1:1:0:0): SCSI status: Check Condition
(probe0:umass-sim1:1:0:0): SCSI sense: No sense data present

For more details see the following thread:

http://forums.freebsd.org/showthread.php?t=27260
>How-To-Repeat:
Two ways:

1)Try to boot from a FreeBSD9-RC1 installation CD through IPMI

2)Attach a virtual ISO to a running FreeBSD9-RC1
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: