I tried this under 10u5 w. patches applied , it seems to work ok. I believe I ran the same steps you did!
bash-3.00# find . -mtime 0 -print . ./devices ./saf/zsmon/_pmpipe ./saf/_sacpipe ./svc/volatile ./svc/volatile/init.state ./svc/volatile/svc:/network/rpc/smserver:default ./svc/volatile/svc:/network/rpc/smserver:default/pid ./svc/volatile/svc:/network/rpc/smserver:default/ctid ./svc/volatile/svc:/network/tftp/udp6:default ./svc/volatile/svc:/network/tftp/udp6:default/pid ./svc/volatile/svc:/network/tftp/udp6:default/ctid ./mnttab ./path_to_inst ./utmppipe ./path_to_inst.old bash-3.00# ls -al ./path_to_inst -r--r--r-- 1 root root 1484 Oct 20 17:18 ./path_to_inst bash-3.00# diff ./path_to_inst ./path_to_inst.old 20d19 < "/pci at 0,0/display at 5" 0 "vgatext" 21a21 > "/pci at 0,0/display at 5" 0 "vgatext" 23,24d22 < "/pci at 0,0/pci1043,81c0 at b,1/storage at 2" 0 "scsa2usb" < "/pci at 0,0/pci1043,81c0 at b,1/storage at 2/disk at 0,0" 1 "sd" bash-3.00# tail ./mnttab swap /tmp tmpfs xattr,dev=46c0002 1224305048 swap /var/run tmpfs xattr,dev=46c0003 1224305048 /dev/dsk/c1d0s4 /export ufs rw,intr,largefiles,logging,xattr,onerror=panic,dev=1980004 1224305051 /export/install/10u5/boot /tftpboot/I86PC.Solaris_10-2 lofs ro,dev=1980004 1224305051 zones /zones zfs rw,devices,setuid,exec,xattr,atime,dev=2d50002 1224305051 -hosts /net autofs nosuid,indirect,ignore,nobrowse,dev=4980001 1224305054 auto_home /home autofs indirect,ignore,dev=4980002 1224305054 unknown:vold(pid639) /vol nfs ignore,noquota,dev=4940001 1224305062 /dev/dsk/c1d0s3 /mnt ufs rw,intr,largefiles,logging,xattr,onerror=panic,dev=1980003 1224526088 /vol/dev/dsk/c2t0d0/unnamed_rmdisk:c /rmdisk/unnamed_rmdisk pcfs nohidden,nofoldcase,dev=1741002 1224537502 bash-3.00# find . -mtime 0 -print . ./devices ./saf/zsmon/_pmpipe ./saf/_sacpipe ./svc/volatile ./svc/volatile/init.state ./svc/volatile/svc:/network/rpc/smserver:default ./svc/volatile/svc:/network/rpc/smserver:default/pid ./svc/volatile/svc:/network/rpc/smserver:default/ctid ./svc/volatile/svc:/network/tftp/udp6:default ./svc/volatile/svc:/network/tftp/udp6:default/pid ./svc/volatile/svc:/network/tftp/udp6:default/ctid ./mnttab ./path_to_inst ./utmppipe ./path_to_inst.old bash-3.00# diff ./path_to_inst ./path_to_inst.old 20d19 < "/pci at 0,0/display at 5" 0 "vgatext" 21a21 > "/pci at 0,0/display at 5" 0 "vgatext" 23,24d22 < "/pci at 0,0/pci1043,81c0 at b,1/storage at 2" 0 "scsa2usb" < "/pci at 0,0/pci1043,81c0 at b,1/storage at 2/disk at 0,0" 1 "sd" bash-3.00# tail -f ./mnttab fd /dev/fd fd rw,dev=48c0001 1224305041 swap /tmp tmpfs xattr,dev=46c0002 1224305048 swap /var/run tmpfs xattr,dev=46c0003 1224305048 /dev/dsk/c1d0s4 /export ufs rw,intr,largefiles,logging,xattr,onerror=panic,dev=1980004 1224305051 /export/install/10u5/boot /tftpboot/I86PC.Solaris_10-2 lofs ro,dev=1980004 1224305051 zones /zones zfs rw,devices,setuid,exec,xattr,atime,dev=2d50002 1224305051 -hosts /net autofs nosuid,indirect,ignore,nobrowse,dev=4980001 1224305054 auto_home /home autofs indirect,ignore,dev=4980002 1224305054 unknown:vold(pid639) /vol nfs ignore,noquota,dev=4940001 1224305062 /dev/dsk/c1d0s3 /mnt ufs rw,intr,largefiles,logging,xattr,onerror=panic,dev=1980003 1224526088 mount shows it connected and when you unplugit it goes away. /rmdisk/unnamed_rmdisk(/vol/dev/dsk/c3t0d0/unnamed_rmdisk:c):15978472 blocks -1 files bash-3.00# cfgadm -al usb1/1 Ap_Id Type Receptacle Occupant Condition usb1/1 usb-storage connected configured ok ## unplug usb stick bash-3.00# cfgadm -al usb1/1 Ap_Id Type Receptacle Occupant Condition usb1/1 unknown empty configured unusable bash-3.00# # then I plugged in a magicjack phone usb atapter, and its driver was able to mount. and I saw the change in path_to_inst. ./path_to_inst.old bash-3.00# diff ./path_to_inst ./path_to_inst.old 32,40d31 < "/pci at 0,0/pci1043,81c0 at b/hub at 1" 0 "hubd" < "/pci at 0,0/pci1043,81c0 at b/hub at 1/storage at 1" 2 "scsa2usb" < "/pci at 0,0/pci1043,81c0 at b/hub at 1/storage at 1/disk at 0,0" 3 "sd" < "/pci at 0,0/pci1043,81c0 at b/hub at 1/storage at 1/disk at 0,1" 4 "sd" < "/pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2" 1 "usb_mid" < "/pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2/sound-control at 0" 0 "usb_ac" < "/pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2/sound at 1" 0 "usb_as" < "/pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2/sound at 2" 1 "usb_as" < "/pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2/input at 3" 3 "hid" bash-3.00# Oct 20 17:18:09 unknown usba: [ID 912658 kern.notice] USB 2.0 device (usb58f,6335) operating at hi speed (USB 2.x) on USB 2.0 root hub: storage at 2, scsa2usb0 at bus address 2 Oct 20 17:18:09 unknown usba: [ID 349649 kern.notice] Generic Mass Storage Device 058F011111B1 Oct 20 17:18:09 unknown genunix: [ID 936769 kern.notice] scsa2usb0 is /pci at 0,0/pci1043,81c0 at b,1/storage at 2 Oct 20 17:18:09 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b,1/storage at 2 (scsa2usb0) online Oct 20 17:18:09 unknown scsi: [ID 193665 kern.notice] sd1 at scsa2usb0: target 0 lun 0 Oct 20 17:18:09 unknown genunix: [ID 936769 kern.notice] sd1 is /pci at 0,0/pci1043,81c0 at b,1/storage at 2/disk at 0,0 Oct 20 17:18:09 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b,1/storage at 2/disk at 0,0 (sd1) online Oct 20 17:21:19 unknown usba: [ID 691482 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 2 (scsa2usb0): Disconnected device was busy, please reconnect. Oct 20 17:21:21 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 2/disk at 0,0 (sd1): Oct 20 17:21:21 unknown Command failed to complete...Device is gone Oct 20 17:21:21 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 2/disk at 0,0 (sd1): Oct 20 17:21:21 unknown Command failed to complete...Device is gone Oct 20 17:21:21 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 2/disk at 0,0 (sd1): Oct 20 17:21:21 unknown Command failed to complete...Device is gone Oct 20 17:21:21 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 2/disk at 0,0 (sd1): Oct 20 17:21:21 unknown Command failed to complete...Device is gone Oct 20 17:21:24 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b,1/storage at 2/disk at 0,0 (sd1) offline Oct 20 17:21:24 unknown last message repeated 1 time Oct 20 17:21:24 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b,1/storage at 2 (scsa2usb0) offline Oct 20 17:26:29 unknown usba: [ID 912658 kern.notice] USB 2.0 device (usb58f,6335) operating at hi speed (USB 2.x) on USB 2.0 root hub: storage at 1, scsa2usb1 at bus address 2 Oct 20 17:26:29 unknown usba: [ID 349649 kern.notice] Generic Mass Storage Device 058F011111B1 Oct 20 17:26:29 unknown genunix: [ID 936769 kern.notice] scsa2usb1 is /pci at 0,0/pci1043,81c0 at b,1/storage at 1 Oct 20 17:26:29 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b,1/storage at 1 (scsa2usb1) online Oct 20 17:26:30 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2): Oct 20 17:26:30 unknown Command failed to complete...Device is gone Oct 20 17:26:30 unknown scsi: [ID 193665 kern.notice] sd2 at scsa2usb1: target 0 lun 0 Oct 20 17:26:30 unknown genunix: [ID 936769 kern.notice] sd2 is /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 Oct 20 17:27:42 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2): Oct 20 17:27:42 unknown Command failed to complete...Device is gone Oct 20 17:27:42 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2): Oct 20 17:27:42 unknown Command failed to complete...Device is gone Oct 20 17:27:42 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2): Oct 20 17:27:42 unknown Command failed to complete...Device is gone Oct 20 17:27:42 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2) online Oct 20 17:27:42 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2): Oct 20 17:27:42 unknown Command failed to complete...Device is gone Oct 20 17:27:43 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2) offline Oct 20 17:27:43 unknown last message repeated 1 time Oct 20 17:27:43 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b,1/storage at 1 (scsa2usb1) offline Oct 20 17:27:58 unknown usba: [ID 912658 kern.notice] USB 2.0 device (usb58f,6335) operating at hi speed (USB 2.x) on USB 2.0 root hub: storage at 1, scsa2usb1 at bus address 2 Oct 20 17:27:58 unknown usba: [ID 349649 kern.notice] Generic Mass Storage Device 058F011111B1 Oct 20 17:27:58 unknown genunix: [ID 936769 kern.notice] scsa2usb1 is /pci at 0,0/pci1043,81c0 at b,1/storage at 1 Oct 20 17:27:58 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b,1/storage at 1 (scsa2usb1) online Oct 20 17:27:59 unknown scsi: [ID 193665 kern.notice] sd2 at scsa2usb1: target 0 lun 0 Oct 20 17:27:59 unknown genunix: [ID 936769 kern.notice] sd2 is /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 Oct 20 17:27:59 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2) online Oct 20 17:29:54 unknown usba: [ID 691482 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 1 (scsa2usb1): Disconnected device was busy, please reconnect. Oct 20 17:29:55 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2): Oct 20 17:29:55 unknown Command failed to complete...Device is gone Oct 20 17:29:55 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2): Oct 20 17:29:55 unknown Command failed to complete...Device is gone Oct 20 17:29:55 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2): Oct 20 17:29:55 unknown Command failed to complete...Device is gone Oct 20 17:29:55 unknown scsi: [ID 107833 kern.warning] WARNING: /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2): Oct 20 17:29:55 unknown Command failed to complete...Device is gone Oct 20 17:29:59 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b,1/storage at 1/disk at 0,0 (sd2) offline Oct 20 17:29:59 unknown last message repeated 1 time Oct 20 17:29:59 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b,1/storage at 1 (scsa2usb1) offline Oct 20 17:31:25 unknown usba: [ID 912658 kern.notice] USB 1.10 device (usb1307,169) operating at full speed (USB 1.x) on USB 1.10 root hub: hub at 1, hubd0 at bus address 4 Oct 20 17:31:25 unknown usba: [ID 349649 kern.notice] YMAX Communications Corp USB Hub Device Oct 20 17:31:25 unknown genunix: [ID 936769 kern.notice] hubd0 is /pci at 0,0/pci1043,81c0 at b/hub at 1 Oct 20 17:31:25 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b/hub at 1 (hubd0) online Oct 20 17:31:25 unknown usba: [ID 912658 kern.notice] USB 1.10 device (usb1307,1169) operating at full speed (USB 1.x) on USB 1.10 external hub: storage at 1, scsa2usb2 at bus address 5Oct 20 17:31:25 unknown usba: [ID 349649 kern.notice] YMAX Communications Corp MagicJack A921000500329F Oct 20 17:31:25 unknown genunix: [ID 936769 kern.notice] scsa2usb2 is /pci at 0,0/pci1043,81c0 at b/hub at 1/storage at 1 Oct 20 17:31:25 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b/hub at 1/storage at 1 (scsa2usb2) online Oct 20 17:31:25 unknown scsi: [ID 193665 kern.notice] sd3 at scsa2usb2: target 0 lun 0 Oct 20 17:31:25 unknown genunix: [ID 936769 kern.notice] sd3 is /pci at 0,0/pci1043,81c0 at b/hub at 1/storage at 1/disk at 0,0 Oct 20 17:31:26 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b/hub at 1/storage at 1/disk at 0,0 (sd3) online Oct 20 17:31:26 unknown scsi: [ID 193665 kern.notice] sd4 at scsa2usb2: target 0 lun 1 Oct 20 17:31:26 unknown genunix: [ID 936769 kern.notice] sd4 is /pci at 0,0/pci1043,81c0 at b/hub at 1/storage at 1/disk at 0,1 Oct 20 17:31:26 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b/hub at 1/storage at 1/disk at 0,1 (sd4) online Oct 20 17:31:26 unknown usba: [ID 912658 kern.notice] USB 1.0 device (usb6e6,c31c) operating at full speed (USB 1.x) on USB 1.10 external hub: device at 2, usb_mid1 at bus address 6 Oct 20 17:31:26 unknown genunix: [ID 936769 kern.notice] usb_mid1 is /pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2 Oct 20 17:31:26 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2 (usb_mid1) online Oct 20 17:31:26 unknown usba: [ID 912658 kern.notice] USB 1.0 interface (usbif6e6,c31c.config1.0) operating at full speed (USB 1.x) on USB 1.10 external hub: sound-control at 0, usb_ac0 at bus address 6 Oct 20 17:31:26 unknown genunix: [ID 936769 kern.notice] usb_ac0 is /pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2/sound-control at 0 Oct 20 17:31:26 unknown usba: [ID 912658 kern.notice] USB 1.0 interface (usbif6e6,c31c.config1.1) operating at full speed (USB 1.x) on USB 1.10 external hub: sound at 1, usb_as0 at bus address 6 Oct 20 17:31:26 unknown genunix: [ID 936769 kern.notice] usb_as0 is /pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2/sound at 1 Oct 20 17:31:26 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2/sound at 1 (usb_as0) online Oct 20 17:31:26 unknown usba: [ID 912658 kern.notice] USB 1.0 interface (usbif6e6,c31c.config1.2) operating at full speed (USB 1.x) on USB 1.10 external hub: sound at 2, usb_as1 at bus address 6 Oct 20 17:31:26 unknown genunix: [ID 936769 kern.notice] usb_as1 is /pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2/sound at 2 Oct 20 17:31:26 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2/sound at 2 (usb_as1) online Oct 20 17:31:26 unknown usba: [ID 912658 kern.notice] USB 1.0 interface (usbif6e6,c31c.config1.3) operating at full speed (USB 1.x) on USB 1.10 external hub: input at 3, hid3 at bus address 6 Oct 20 17:31:26 unknown genunix: [ID 936769 kern.notice] hid3 is /pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2/input at 3 Oct 20 17:31:26 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2/input at 3 (hid3) online Oct 20 17:31:26 unknown genunix: [ID 408114 kern.notice] /pci at 0,0/pci1043,81c0 at b/hub at 1/device at 2/sound-control at 0 (usb_ac0) online bash-3.00# Can you try this out: # Rem, For usb try: echo " REM Unplug all USB devices, else you get busy error, clear log:." sleep 10 echo "::usba_clear_debug_buf" |mdb -wk echo " Plug in your usb device" echo "::usba_debug_buf" |mdb -k echo "::interrupts" | mdb -k echo "::prtusb" | mdb -k echo "::status" | mdb -k -- This message posted from opensolaris.org
