Messages in this thread | | | Date | Sun, 24 Oct 2004 23:41:05 -0700 (PDT) | From | dean gaudet <> | Subject | 2.6.10-rc1 usb2 dvd device remove troubles |
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this problem still exists in 2.6.10-rc1 (it's been around for a while, and others have reported it).
if i plug in then unplug a usb2 dvd player it trips a BUG_ON and the scsi and usb layers crash and you lose scsi and usb until the next boot. sometimes it takes a couple plug/unplug attempts.
here are console messages:
usb 1-3.3: new high speed USB device using address 3 Initializing USB Mass Storage driver... scsi0 : SCSI emulation for USB Mass Storage devices usbcore: registered new driver usb-storage USB Mass Storage support registered. Vendor: PLEXTOR Model: DVDR PX-708A Rev: 1.06 Type: CD-ROM ANSI SCSI revision: 00 sr0: scsi3-mmc drive: 40x/40x writer cd/rw xa/form2 cdda tray usb 1-3.3: USB disconnect, address 3 scsi: Device offlined - not ready after error recovery: host 0 channel 0 id 0 lun 0 sr 0:0:0:0: Illegal state transition cancel->offline Badness in scsi_device_set_state at drivers/scsi/scsi_lib.c:1713 [<f09ce0b9>] scsi_device_set_state+0xc9/0x130 [scsi_mod] [<f09cb89e>] scsi_eh_offline_sdevs+0x6e/0x90 [scsi_mod] [<f09cbe21>] scsi_unjam_host+0xd1/0x200 [scsi_mod] [<c0118880>] default_wake_function+0x0/0x20 [<f09cc038>] scsi_error_handler+0xe8/0x190 [scsi_mod] [<f09cbf50>] scsi_error_handler+0x0/0x190 [scsi_mod] [<c0104155>] kernel_thread_helper+0x5/0x10
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