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	Dan Pritts <danno@internet2.edu>
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Date: Thu, 8 Dec 2011 20:05:02 GMT
From: Dan Pritts <danno@internet2.edu>
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Subject: kern/163130: cannot dumpon to mpt connected disk
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>Number:         163130
>Category:       kern
>Synopsis:       cannot dumpon to mpt connected disk
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Dec 08 20:10:06 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Dan Pritts
>Release:        8.2 RELEASE amd64
>Organization:
Internet2
>Environment:
FreeBSD foo.internet2.edu 8.2-RELEASE FreeBSD 8.2-RELEASE #0: Thu Feb 17 02:41:51 UTC 2011     root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64

>Description:
Can't set kernel dump device to a swap partition on an LSI controller.

hardware is sun x4200

# swapinfo
Device          1K-blocks     Used    Avail Capacity
/dev/da16s1b      1024000        0  1024000     0%
/dev/da16s1d     24575120        0 24575120     0%
Total            25599120        0 25599120     0%
# dumpon /dev/da16s1d
dumpon: ioctl(DIOCSKERNELDUMP): Operation not supported by device

da16 is on an mpt controller:

kernel: mpt1: <LSILogic SAS/SATA Adapter> port 0x8400-0x84ff mem 0xfb0bc000-0xfb0bffff,0xfb0a0000-0xfb0affff irq 28 at device 3.0 on pci2
kernel: mpt1: [ITHREAD]
kernel: mpt1: MPI Version=1.5.13.0
kernel: mpt1: Capabilities: ( RAID-0 RAID-1E RAID-1 )
kernel: mpt1: 1 Active Volume (2 Max)
kernel: mpt1: 2 Hidden Drive Members (10 Max)


>How-To-Repeat:
type dumpon until your fingers fall off
>Fix:


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