Re: SCSI descriptor sense changes, testing needed

"Kenneth D. Merry" <ken_at_freebsd.org> wrote:

> I have attached a set of patches against head that implement SCSI
> descriptor sense support for CAM.

> Anyway, I'd appreciate any testing and feedback on these changes.  As I
> said, they will probably be in 9.0, so if there are any issues it would
> be better to find them now. :)

I've been using the patch on a ThinkPad R500 since yesterday and
just reverted it today again to get my kernel closer to HEAD before
looking into some (probably unrelated) panics.

I didn't notice it while using the patch, but it looks like the
kernel wasn't able to pick up cd0 anymore:

fk_at_r500 ~ $grep -h "new dis" /var/log/messages /var/log/messages.[123] | sort
Sep 21 23:40:23 r500 kernel: GEOM: new disk da0
Sep 21 23:40:30 r500 kernel: GEOM: new disk da1
Sep 21 23:45:21 r500 kernel: GEOM: new disk ada0
Sep 21 23:45:21 r500 kernel: GEOM: new disk cd0
Sep 21 23:45:21 r500 kernel: GEOM: new disk da0
Sep 21 23:45:21 r500 kernel: GEOM: new disk da1
Sep 21 23:52:44 r500 kernel: GEOM: new disk ada0
Sep 21 23:52:44 r500 kernel: GEOM: new disk cd0
Sep 21 23:53:14 r500 kernel: GEOM: new disk da0
Sep 21 23:56:23 r500 kernel: GEOM: new disk da1
Sep 22 21:14:17 r500 kernel: GEOM: new disk ada0
Sep 22 21:14:17 r500 kernel: GEOM: new disk cd0
Sep 22 22:10:20 r500 kernel: GEOM: new disk da0
[patch applied]
Sep 22 23:29:45 r500 kernel: GEOM: new disk da0
Sep 23 14:38:31 r500 kernel: GEOM: new disk ada0
Sep 23 17:19:40 r500 kernel: GEOM: new disk da0
Sep 23 19:20:21 r500 kernel: GEOM: new disk da0
Sep 23 19:20:42 r500 kernel: GEOM: new disk da1
Sep 23 22:58:56 r500 kernel: GEOM: new disk da0
Sep 24 09:31:02 r500 kernel: GEOM: new disk ada0
Sep 24 14:17:22 r500 kernel: GEOM: new disk da0
Sep 24 14:44:03 r500 kernel: GEOM: new disk ada0
Sep 24 14:44:03 r500 kernel: GEOM: new disk da0
Sep 24 14:53:30 r500 kernel: GEOM: new disk ada0
Sep 24 15:03:24 r500 kernel: GEOM: new disk da0
Sep 24 15:06:03 r500 kernel: GEOM: new disk da0
Sep 24 15:13:57 r500 kernel: GEOM: new disk ada0
Sep 24 15:14:16 r500 kernel: GEOM: new disk da0
Sep 24 15:27:11 r500 kernel: GEOM: new disk ada0
Sep 24 15:28:05 r500 kernel: GEOM: new disk da0
Sep 24 15:32:10 r500 kernel: GEOM: new disk ada0
Sep 24 15:32:10 r500 kernel: GEOM: new disk da0
Sep 24 15:38:16 r500 kernel: GEOM: new disk ada0
Sep 24 15:38:16 r500 kernel: GEOM: new disk da0
Sep 24 15:43:33 r500 kernel: GEOM: new disk ada0
Sep 24 15:43:33 r500 kernel: GEOM: new disk da0
Sep 24 15:49:30 r500 kernel: GEOM: new disk ada0
[patch reverted]
Sep 24 19:32:51 r500 kernel: GEOM: new disk ada0
Sep 24 19:32:51 r500 kernel: GEOM: new disk cd0
Sep 24 19:32:51 r500 kernel: GEOM: new disk da0
Sep 24 19:38:07 r500 kernel: GEOM: new disk ada0
Sep 24 19:38:07 r500 kernel: GEOM: new disk cd0

Without the patch I'm used to getting the following kernel
messages when booting (without a disc in cd0):

Sep 24 19:32:51 r500 kernel: ahcich0: AHCI reset: device ready after 100ms
Sep 24 19:32:51 r500 kernel: (aprobe0:ahcich0:0:0:0): SIGNATURE: 0000
Sep 24 19:32:51 r500 kernel: ahcich1: AHCI reset: device ready after 100ms
Sep 24 19:32:51 r500 kernel: (aprobe1:ahcich1:0:0:0): SIGNATURE: eb14
Sep 24 19:32:51 r500 kernel: GEOM: new disk cd0
Sep 24 19:32:51 r500 kernel: pass0 at ahcich0 bus 0 scbus0 target 0 lun 0
Sep 24 19:32:51 r500 kernel: pass0: <HITACHI HTS543225L9SA00 FBEZC4EC> ATA-8 SATA 1.x device
Sep 24 19:32:51 r500 kernel: pass0: Serial Number 090509FB2F32LLEY6D8A
Sep 24 19:32:51 r500 kernel: pass0: 150.000MB/s transfers (SATA 1.x, UDMA5, PIO 8192bytes)
Sep 24 19:32:51 r500 kernel: pass0: Command Queueing enabled
Sep 24 19:32:51 r500 kernel: pass1 at ahcich1 bus 0 scbus1 target 0 lun 0
Sep 24 19:32:51 r500 kernel: pass1: <HL-DT-ST DVDRAM GSA-T50N RX05> Removable CD-ROM SCSI-0 device 
Sep 24 19:32:51 r500 kernel: pass1: Serial Number M2R96NC0647
Sep 24 19:32:51 r500 kernel: pass1: 150.000MB/s transfers (SATA 1.x, UDMA6, ATAPI 12bytes, PIO 8192bytes)
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0 
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: UNIT ATTENTION asc:29,0 (Power on, reset, or bus device reset occurred)
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
Sep 24 19:32:51 r500 kernel: ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
Sep 24 19:32:51 r500 kernel: ada0: <HITACHI HTS543225L9SA00 FBEZC4EC> ATA-8 SATA 1.x device
Sep 24 19:32:51 r500 kernel: ada0: Serial Number 090509FB2F32LLEY6D8A
Sep 24 19:32:51 r500 kernel: ada0: 150.000MB/s transfers (SATA 1.x, UDMA5, PIO 8192bytes)
Sep 24 19:32:51 r500 kernel: ada0: Command Queueing enabled
Sep 24 19:32:51 r500 kernel: ada0: 238475MB (488397168 512 byte sectors: 16H 63S/T 16383C)
Sep 24 19:32:51 r500 kernel: ada0: Previously was known as ad4
Sep 24 19:32:51 r500 kernel: SMP: AP CPU #1 Launched!
Sep 24 19:32:51 r500 kernel: cpu1 AP:
Sep 24 19:32:51 r500 kernel: ID: 0x01000000   VER: 0x00050014 LDR: 0x00000000 DFR: 0xffffffff
Sep 24 19:32:51 r500 kernel: lint0: 0x00010700 lint1: 0x00000400 TPR: 0x00000000 SVR: 0x000001ff
Sep 24 19:32:51 r500 kernel: timer: 0x000100ef therm: 0x00010200 err: 0x000000f0 pmc: 0x00010400
Sep 24 19:32:51 r500 kernel: TSC timecounter disabled: C3 enabled.
Sep 24 19:32:51 r500 kernel: Timecounter "TSC" frequency 1995048630 Hz quality -1000
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0 
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:4,1 (Logical unit is in process of becoming ready)
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): Polling device for readiness
Sep 24 19:32:51 r500 kernel: uhub0: 2 ports with 2 removable, self powered
Sep 24 19:32:51 r500 kernel: uhub1: 2 ports with 2 removable, self powered
Sep 24 19:32:51 r500 kernel: uhub2: 2 ports with 2 removable, self powered
Sep 24 19:32:51 r500 kernel: uhub4: 2 ports with 2 removable, self powered
Sep 24 19:32:51 r500 kernel: uhub5: 2 ports with 2 removable, self powered
Sep 24 19:32:51 r500 kernel: uhub6: 2 ports with 2 removable, self powered
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0 
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,1 (Medium not present - tray closed)
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
Sep 24 19:32:51 r500 kernel: cd0 at ahcich1 bus 0 scbus1 target 0 lun 0
Sep 24 19:32:51 r500 kernel: cd0: <HL-DT-ST DVDRAM GSA-T50N RX05> Removable CD-ROM SCSI-0 device 
Sep 24 19:32:51 r500 kernel: cd0: Serial Number M2R96NC0647
Sep 24 19:32:51 r500 kernel: cd0: 150.000MB/s transfers (SATA 1.x, UDMA6, ATAPI 12bytes, PIO 8192bytes)
Sep 24 19:32:51 r500 kernel: cd0: Attempt to query device size failed: NOT READY, Medium not present - tray closed
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0 
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,1 (Medium not present - tray closed)
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0 
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,1 (Medium not present - tray closed)
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0 
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,1 (Medium not present - tray closed)
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0 
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,1 (Medium not present - tray closed)
Sep 24 19:32:51 r500 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
Sep 24 19:32:51 r500 kernel: GEOM: new disk ada0
Sep 24 19:32:51 r500 kernel: GEOM: ada0s1: geometry does not match label (255h,63s != 16h,63s).

With the patch I got:

Sep 24 17:29:16 r500 kernel: ahcich0: AHCI reset...
Sep 24 17:29:16 r500 kernel: ahcich0: SATA connect time=900us status=00000113
Sep 24 17:29:16 r500 kernel: ahcich0: AHCI reset: device found
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset...
Sep 24 17:29:16 r500 kernel: ahcich1: SATA connect time=1000us status=00000113
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device found
Sep 24 17:29:16 r500 kernel: battery0: battery initialization start
Sep 24 17:29:16 r500 kernel: ugen0.1: <Intel> at usbus0
Sep 24 17:29:16 r500 kernel: uhub0: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
Sep 24 17:29:16 r500 kernel: ugen1.1: <Intel> at usbus1
Sep 24 17:29:16 r500 kernel: uhub1: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
Sep 24 17:29:16 r500 kernel: ugen2.1: <Intel> at usbus2
Sep 24 17:29:16 r500 kernel: uhub2: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
Sep 24 17:29:16 r500 kernel: ugen3.1: <Intel> at usbus3
Sep 24 17:29:16 r500 kernel: uhub3: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3
Sep 24 17:29:16 r500 kernel: ugen4.1: <Intel> at usbus4
Sep 24 17:29:16 r500 kernel: uhub4: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus4
Sep 24 17:29:16 r500 kernel: ugen5.1: <Intel> at usbus5
Sep 24 17:29:16 r500 kernel: uhub5: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus5
Sep 24 17:29:16 r500 kernel: ugen6.1: <Intel> at usbus6
Sep 24 17:29:16 r500 kernel: uhub6: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus6
Sep 24 17:29:16 r500 kernel: ugen7.1: <Intel> at usbus7
Sep 24 17:29:16 r500 kernel: uhub7: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus7
Sep 24 17:29:16 r500 kernel: acpi_acad0: acline initialization start
Sep 24 17:29:16 r500 kernel: battery0: battery initialization done, tried 1 times
Sep 24 17:29:16 r500 kernel: acpi_acad0: On Line
Sep 24 17:29:16 r500 kernel: acpi_acad0: acline initialization done, tried 1 times
Sep 24 17:29:16 r500 kernel: ahcich0: AHCI reset: device ready after 100ms
Sep 24 17:29:16 r500 kernel: (aprobe0:ahcich0:0:0:0): SIGNATURE: 0000
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device ready after 100ms
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): SIGNATURE: eb14
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset...
Sep 24 17:29:16 r500 kernel: ahcich1: SATA connect time=1000us status=00000113
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device found
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): INQUIRY. CDB: 12 0 0 24 0 0 
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): CAM status: CCB request was invalid
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device ready after 100ms
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): SIGNATURE: eb14
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset...
Sep 24 17:29:16 r500 kernel: ahcich1: SATA connect time=1000us status=00000113
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device found
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): INQUIRY. CDB: 12 0 0 24 0 0 
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): CAM status: CCB request was invalid
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device ready after 100ms
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): SIGNATURE: eb14
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset...
Sep 24 17:29:16 r500 kernel: ahcich1: SATA connect time=1000us status=00000113
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device found
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): INQUIRY. CDB: 12 0 0 24 0 0 
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): CAM status: CCB request was invalid
Sep 24 17:29:16 r500 kernel: uhub0: 2 ports with 2 removable, self powered
Sep 24 17:29:16 r500 kernel: uhub1: 2 ports with 2 removable, self powered
Sep 24 17:29:16 r500 kernel: uhub2: 2 ports with 2 removable, self powered
Sep 24 17:29:16 r500 kernel: uhub4: 2 ports with 2 removable, self powered
Sep 24 17:29:16 r500 kernel: uhub5: 2 ports with 2 removable, self powered
Sep 24 17:29:16 r500 kernel: uhub6: 2 ports with 2 removable, self powered
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device ready after 200ms
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): SIGNATURE: eb14
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset...
Sep 24 17:29:16 r500 kernel: ahcich1: SATA connect time=1000us status=00000113
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device found
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): INQUIRY. CDB: 12 0 0 24 0 0 
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): CAM status: CCB request was invalid
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device ready after 101ms
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): SIGNATURE: eb14
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset...
Sep 24 17:29:16 r500 kernel: ahcich1: SATA connect time=1000us status=00000113
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device found
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): INQUIRY. CDB: 12 0 0 24 0 0 
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): CAM status: CCB request was invalid
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device ready after 100ms
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): SIGNATURE: eb14
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset...
Sep 24 17:29:16 r500 kernel: ahcich1: SATA connect time=1000us status=00000113
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device found
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): INQUIRY. CDB: 12 0 0 24 0 0 
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): CAM status: CCB request was invalid
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device ready after 200ms
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): SIGNATURE: eb14
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset...
Sep 24 17:29:16 r500 kernel: ahcich1: SATA connect time=1000us status=00000113
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device found
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): INQUIRY. CDB: 12 0 0 24 0 0 
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): CAM status: CCB request was invalid
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device ready after 200ms
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): SIGNATURE: eb14
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset...
Sep 24 17:29:16 r500 kernel: ahcich1: SATA connect time=1000us status=00000113
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device found
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): INQUIRY. CDB: 12 0 0 24 0 0 
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): CAM status: CCB request was invalid
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device ready after 200ms
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): SIGNATURE: eb14
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset...
Sep 24 17:29:16 r500 kernel: ahcich1: SATA connect time=1000us status=00000113
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device found
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): INQUIRY. CDB: 12 0 0 24 0 0 
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): CAM status: CCB request was invalid
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device ready after 101ms
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): SIGNATURE: eb14
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset...
Sep 24 17:29:16 r500 kernel: ahcich1: SATA connect time=1000us status=00000113
Sep 24 17:29:16 r500 kernel: ahcich1: AHCI reset: device found
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): INQUIRY. CDB: 12 0 0 24 0 0 
Sep 24 17:29:16 r500 kernel: (aprobe1:ahcich1:0:0:0): CAM status: CCB request was invalid
Sep 24 17:29:16 r500 kernel: pass0 at ahcich0 bus 0 scbus0 target 0 lun 0
Sep 24 17:29:16 r500 kernel: pass0: <HITACHI HTS543225L9SA00 FBEZC4EC> ATA-8 SATA 1.x device
Sep 24 17:29:16 r500 kernel: pass0: Serial Number 090509FB2F32LLEY6D8A
Sep 24 17:29:16 r500 kernel: pass0: 150.000MB/s transfers (SATA 1.x, UDMA5, PIO 8192bytes)
Sep 24 17:29:16 r500 kernel: pass0: Command Queueing enabled
Sep 24 17:29:16 r500 kernel: ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
Sep 24 17:29:16 r500 kernel: GEOM: new disk ada0
Sep 24 17:29:16 r500 kernel: ada0: <HITACHI HTS543225L9SA00 FBEZC4EC> ATA-8 SATA 1.x device
Sep 24 17:29:16 r500 kernel: ada0: Serial Number 090509FB2F32LLEY6D8A
Sep 24 17:29:16 r500 kernel: ada0: 150.000MB/s transfers (SATA 1.x, UDMA5, PIO 8192bytes)
Sep 24 17:29:16 r500 kernel: ada0: Command Queueing enabled
Sep 24 17:29:16 r500 kernel: ada0: 238475MB (488397168 512 byte sectors: 16H 63S/T 16383C)
Sep 24 17:29:16 r500 kernel: ada0: Previously was known as ad4

I'm using a couple of other patches, but the only
one that is related to SCSI is:
http://www.freebsd.org/cgi/query-pr.cgi?pr=159611

Fabian