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Date:      Thu, 02 Jul 2020 23:13:50 +0000
From:      bugzilla-noreply@freebsd.org
To:        usb@FreeBSD.org
Subject:   [Bug 247727] umass(4) fails when the DropCam device is connected
Message-ID:  <bug-247727-19105@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=247727

            Bug ID: 247727
           Summary: umass(4) fails when the DropCam device is connected
           Product: Base System
           Version: 12.1-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: usb
          Assignee: usb@FreeBSD.org
          Reporter: yuri@freebsd.org

The log gets these lines when the camera is connected:
> Jul  2 14:47:06 yv kernel: ugen8.2: <Linux 2.6.38.8 with ambarellaudc Nest Cam Setup> at usbus8
> Jul  2 14:47:06 yv kernel: umass1 on uhub8
> Jul  2 14:47:06 yv kernel: umass1: <Mass Storage> on usbus8
> Jul  2 14:47:06 yv kernel: umass1:  SCSI over Bulk-Only; quirks = 0x4000
> Jul  2 14:47:06 yv kernel: umass1:7:1: Attached to scbus7
> Jul  2 14:47:06 yv kernel: da4 at umass-sim1 bus 1 scbus7 target 0 lun 0
> Jul  2 14:47:06 yv kernel: da4: <Nest Cam Setup 0001> Removable Direct Access SCSI-2 device
> Jul  2 14:47:06 yv kernel: da4: 40.000MB/s transfers
> Jul  2 14:47:06 yv kernel: da4: 1MB (2688 512 byte sectors)
> Jul  2 14:47:06 yv kernel: da4: quirks=0x2<NO_6_BYTE>
> Jul  2 14:47:06 yv kernel: ugen8.2: <Linux 2.6.38.8 with ambarellaudc Nest Cam Setup> at usbus8 (disconnected)
> Jul  2 14:47:06 yv kernel: (da4:umass-sim1:1:0:0): READ(10). CDB: 28 00 00 00 0a 7f 00 00 01 00
> Jul  2 14:47:06 yv kernel: (da4:umass-sim1:1:0:0): CAM status: CCB request completed with an error
> Jul  2 14:47:06 yv kernel: (da4:umass-sim1:1:0:0): Retrying command, 3 more tries remain
> Jul  2 14:47:07 yv kernel: (da4:umass-sim1:1:0:0): READ(10). CDB: 28 00 00 00 0a 7f 00 00 01 00
> Jul  2 14:47:07 yv kernel: (da4:umass-sim1:1:0:0): CAM status: CCB request completed with an error
> Jul  2 14:47:07 yv kernel: (da4:umass-sim1:1:0:0): Retrying command, 2 more tries remain
> Jul  2 14:47:07 yv kernel: (da4:umass-sim1:1:0:0): READ(10). CDB: 28 00 00 00 0a 7f 00 00 01 00
> Jul  2 14:47:07 yv kernel: (da4:umass-sim1:1:0:0): CAM status: CCB request completed with an error
> Jul  2 14:47:07 yv kernel: (da4:umass-sim1:1:0:0): Retrying command, 1 more tries remain
> Jul  2 14:47:07 yv kernel: (da4:umass-sim1:1:0:0): READ(10). CDB: 28 00 00 00 0a 7f 00 00 01 00
> Jul  2 14:47:07 yv kernel: (da4:umass-sim1:1:0:0): CAM status: CCB request completed with an error
> Jul  2 14:47:07 yv kernel: (da4:umass-sim1:1:0:0): Retrying command, 0 more tries remain
> Jul  2 14:47:07 yv kernel: (da4:umass-sim1:1:0:0): READ(10). CDB: 28 00 00 00 0a 7f 00 00 01 00
> Jul  2 14:47:07 yv kernel: (da4:umass-sim1:1:0:0): CAM status: CCB request completed with an error
> Jul  2 14:47:07 yv kernel: (da4:umass-sim1:1:0:0): Error 5, Retries exhausted
> ...skipped...
> Jul  2 15:57:27 yv kernel: (da4:umass-sim1:1:0:0): Retrying command, 0 more tries remain
> Jul  2 15:57:27 yv kernel: (da4:umass-sim1:1:0:0): READ(10). CDB: 28 00 00 00 0a 7e 00 00 01 00 
> Jul  2 15:57:27 yv kernel: (da4:umass-sim1:1:0:0): CAM status: CCB request completed with an error
> Jul  2 15:57:27 yv kernel: (da4:umass-sim1:1:0:0): Error 5, Retries exhausted
> Jul  2 15:57:27 yv kernel: (da4:umass-sim1:1:0:0): got CAM status 0x44
> Jul  2 15:57:27 yv kernel: (da4:umass-sim1:1:0:0): fatal error, failed to attach to device
> Jul  2 15:57:27 yv kernel: da4 at umass-sim1 bus 1 scbus7 target 0 lun 0
> Jul  2 15:57:27 yv kernel: da4: <Nest Cam Setup 0001>  detached
> Jul  2 15:57:27 yv kernel: g_access(961): provider da4 has error 6 set
> Jul  2 15:57:27 yv syslogd: last message repeated 2 times
> Jul  2 15:57:27 yv kernel: (da4:umass-sim1:1:0:0): Periph destroyed
> Jul  2 15:57:27 yv kernel: umass1: detached

12.1-STABLE #0 r359625

> usbconfig dump_curr_config_desc
doesn't contain the record for this device.


Interestingly, 12.0-STABLE #0 r344209 doesn't fail with this problem.

VendorID=0x0525
ProductID=0xa4a5

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