SCSI descriptor sense changes, testing needed

Fabian Keil freebsd-listen at fabiankeil.de
Mon Oct 3 12:45:38 UTC 2011 

"Kenneth D. Merry" <ken at freebsd.org> wrote:

> On Tue, Sep 27, 2011 at 21:46:03 +0200, Fabian Keil wrote:
> > "Kenneth D. Merry" <ken at freebsd.org> wrote:
> > 
> > > On Sat, Sep 24, 2011 at 21:27:22 +0200, Fabian Keil wrote:
> > > > "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:
> > > 
> > > Hmm.  I don't think any of the changes would have caused this, but
> > > evidently something did...
> > > 
> > > Let's see if we can debug it...
> > > 
> > > I have attached a patch to add some debugging output, and I see at least
> > > one interesting thing in the logs below.
> > > 
> > > Can you re-apply the descriptor sense patch, and then try the attached
> > > debugging patch as well?
> > 
> > Sure.
> 
> I believe this is fixed with my latest set of patches.  Can you try them
> and let me know?

The device is indeed properly picked up now:

Oct  3 12:09:26 r500 kernel: ahcich0: AHCI reset...
Oct  3 12:09:26 r500 kernel: ahcich0: SATA connect time=900us status=00000113
Oct  3 12:09:26 r500 kernel: ahcich0: AHCI reset: device found
Oct  3 12:09:26 r500 kernel: ahcich1: AHCI reset...
Oct  3 12:09:26 r500 kernel: ahcich1: SATA connect time=1000us status=00000113
Oct  3 12:09:26 r500 kernel: ahcich1: AHCI reset: device found
Oct  3 12:09:26 r500 kernel: ugen0.1: <Intel> at usbus0
Oct  3 12:09:26 r500 kernel: uhub0: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
Oct  3 12:09:26 r500 kernel: ugen1.1: <Intel> at usbus1
Oct  3 12:09:26 r500 kernel: uhub1: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
Oct  3 12:09:26 r500 kernel: ugen2.1: <Intel> at usbus2
Oct  3 12:09:26 r500 kernel: uhub2: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
Oct  3 12:09:26 r500 kernel: ugen3.1: <Intel> at usbus3
Oct  3 12:09:26 r500 kernel: uhub3: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3
Oct  3 12:09:26 r500 kernel: ugen4.1: <Intel> at usbus4
Oct  3 12:09:26 r500 kernel: uhub4: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus4
Oct  3 12:09:26 r500 kernel: ugen5.1: <Intel> at usbus5
Oct  3 12:09:26 r500 kernel: uhub5: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus5
Oct  3 12:09:26 r500 kernel: ugen6.1: <Intel> at usbus6
Oct  3 12:09:26 r500 kernel: uhub6: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus6
Oct  3 12:09:26 r500 kernel: ugen7.1: <Intel> at usbus7
Oct  3 12:09:26 r500 kernel: uhub7: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus7
Oct  3 12:09:26 r500 kernel: battery0: battery initialization start
Oct  3 12:09:26 r500 kernel: acpi_acad0: acline initialization start
Oct  3 12:09:26 r500 kernel: battery0: battery initialization done, tried 1 times
Oct  3 12:09:26 r500 kernel: acpi_acad0: On Line
Oct  3 12:09:26 r500 kernel: acpi_acad0: acline initialization done, tried 1 times
Oct  3 12:09:26 r500 kernel: ahcich0: AHCI reset: device ready after 100ms
Oct  3 12:09:26 r500 kernel: (aprobe0:ahcich0:0:0:0): SIGNATURE: 0000
Oct  3 12:09:26 r500 kernel: ahcich1: AHCI reset: device ready after 100ms
Oct  3 12:09:26 r500 kernel: (aprobe1:ahcich1:0:0:0): SIGNATURE: eb14
Oct  3 12:09:26 r500 kernel: GEOM: new disk ada0
Oct  3 12:09:26 r500 kernel: ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
Oct  3 12:09:26 r500 kernel: ada0: <HITACHI HTS543225L9SA00 FBEZC4EC> ATA-8 SATA 1.x device
Oct  3 12:09:26 r500 kernel: ada0: Serial Number 090509FB2F32LLEY6D8A
Oct  3 12:09:26 r500 kernel: ada0: 150.000MB/s transfers (SATA 1.x, UDMA5, PIO 8192bytes)
Oct  3 12:09:26 r500 kernel: ada0: Command Queueing enabled
Oct  3 12:09:26 r500 kernel: ada0: 238475MB (488397168 512 byte sectors: 16H 63S/T 16383C)
Oct  3 12:09:26 r500 kernel: ada0: Previously was known as ad4
Oct  3 12:09:26 r500 kernel: pass0 at ahcich0 bus 0 scbus0 target 0 lun 0
Oct  3 12:09:26 r500 kernel: pass0: <HITACHI HTS543225L9SA00 FBEZC4EC> ATA-8 SATA 1.x device
Oct  3 12:09:26 r500 kernel: pass0: Serial Number 090509FB2F32LLEY6D8A
Oct  3 12:09:26 r500 kernel: pass0: 150.000MB/s transfers (SATA 1.x, UDMA5, PIO 8192bytes)
Oct  3 12:09:26 r500 kernel: pass0: Command Queueing enabled
Oct  3 12:09:26 r500 kernel: pass1 at ahcich1 bus 0 scbus1 target 0 lun 0
Oct  3 12:09:26 r500 kernel: pass1: <HL-DT-ST DVDRAM GSA-T50N RX05> Removable CD-ROM SCSI-0 device
Oct  3 12:09:26 r500 kernel: pass1: Serial Number M2R96NC0647
Oct  3 12:09:26 r500 kernel: pass1: 150.000MB/s transfers (SATA 1.x, UDMA6, ATAPI 12bytes, PIO 8192bytes)
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: UNIT ATTENTION asc:29,0 (Power on, reset, or bus device reset occurred)
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
Oct  3 12:09:26 r500 kernel: SMP: AP CPU #1 Launched!
Oct  3 12:09:26 r500 kernel: cpu1 AP:
Oct  3 12:09:26 r500 kernel: ID: 0x01000000   VER: 0x00050014 LDR: 0x00000000 DFR: 0xffffffff
Oct  3 12:09:26 r500 kernel: lint0: 0x00010700 lint1: 0x00000400 TPR: 0x00000000 SVR: 0x000001ff
Oct  3 12:09:26 r500 kernel: timer: 0x000100ef therm: 0x00010200 err: 0x000000f0 pmc: 0x00010400
Oct  3 12:09:26 r500 kernel: TSC timecounter disabled: C3 enabled.
Oct  3 12:09:26 r500 kernel: Timecounter "TSC" frequency 1995039830 Hz quality -1000
Oct  3 12:09:26 r500 kernel: WARNING: WITNESS option enabled, expect reduced performance.
Oct  3 12:09:26 r500 kernel: GEOM: new disk cd0
Oct  3 12:09:26 r500 kernel: GEOM: ada0s1: geometry does not match label (255h,63s != 16h,63s).
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:4,1 (Logical unit is in process of becoming ready)
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): Polling device for readiness
Oct  3 12:09:26 r500 kernel: uhub0: 2 ports with 2 removable, self powered
Oct  3 12:09:26 r500 kernel: uhub1: 2 ports with 2 removable, self powered
Oct  3 12:09:26 r500 kernel: uhub2: 2 ports with 2 removable, self powered
Oct  3 12:09:26 r500 kernel: uhub4: 2 ports with 2 removable, self powered
Oct  3 12:09:26 r500 kernel: uhub5: 2 ports with 2 removable, self powered
Oct  3 12:09:26 r500 kernel: uhub6: 2 ports with 2 removable, self powered
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,1 (Medium not present - tray closed)
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
Oct  3 12:09:26 r500 kernel: cd0 at ahcich1 bus 0 scbus1 target 0 lun 0
Oct  3 12:09:26 r500 kernel: cd0: <HL-DT-ST DVDRAM GSA-T50N RX05> Removable CD-ROM SCSI-0 device
Oct  3 12:09:26 r500 kernel: cd0: Serial Number M2R96NC0647
Oct  3 12:09:26 r500 kernel: cd0: 150.000MB/s transfers (SATA 1.x, UDMA6, ATAPI 12bytes, PIO 8192bytes)
Oct  3 12:09:26 r500 kernel: cd0: Attempt to query device size failed: NOT READY, Medium not present - tray closed
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,1 (Medium not present - tray closed)
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,1 (Medium not present - tray closed)
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,1 (Medium not present - tray closed)
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,1 (Medium not present - tray closed)
Oct  3 12:09:26 r500 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error

Thanks
Fabian
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