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Date:      Wed, 21 May 2014 01:56:40 GMT
From:      John Hickey <jjh-freebsd@daedalian.us>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   amd64/190050: AHCI does not detect Plextor M6e PCI-Express SSD
Message-ID:  <201405210156.s4L1uemB022176@cgiserv.freebsd.org>
Resent-Message-ID: <201405210200.s4L200lK078354@freefall.freebsd.org>

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>Number:         190050
>Category:       amd64
>Synopsis:       AHCI does not detect Plextor M6e PCI-Express SSD
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed May 21 02:00:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator:     John Hickey
>Release:        10-Stable
>Organization:
deterlab.net
>Environment:
FreeBSD pod 10.0-STABLE FreeBSD 10.0-STABLE #0 r266481M: Wed May 21 01:11:11 PDT 2014     root@pod:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
The Plextor M6e PCI-E SSD is a relatively new device, but it uses the Marvell 88SS9183 controller.  This controller was added in revision 254987 to support the 2013 Macbook Air.

After a camcontrol rescan all I get this error:

(aprobe0:ahcich0:0:0:0): Unexpected signature 0xffff

pciconf for the Plextor M6e:

ahci0@pci0:4:0:0:       class=0x010601 card=0x91831b4b chip=0x01221c28 rev=0x14 hdr=0x00
    class      = mass storage
    subclass   = SATA
    bar   [10] = type I/O Port, range 32, base 0xc050, size 8, enabled
    bar   [14] = type I/O Port, range 32, base 0xc040, size 4, enabled
    bar   [18] = type I/O Port, range 32, base 0xc030, size 8, enabled
    bar   [1c] = type I/O Port, range 32, base 0xc020, size 4, enabled
    bar   [20] = type I/O Port, range 32, base 0xc000, size 32, enabled
    bar   [24] = type Memory, range 32, base 0xdf120000, size 512, enabled
    cap 01[40] = powerspec 3  supports D0 D3  current D0
    cap 05[50] = MSI supports 1 message enabled with 1 message
    cap 10[70] = PCI-Express 2 legacy endpoint max data 256(512) link x2(x2)
                 speed 5.0(5.0) ASPM disabled(L0s/L1)
    ecap 0001[100] = AER 1 0 fatal 0 non-fatal 0 corrected

>How-To-Repeat:

>Fix:


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



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