Messages in this thread | | | From | Vadim <> | Subject | USB Flash drive gets a new device every time | Date | Fri, 24 Oct 2003 03:57:40 +0200 |
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This is happening right now and is 100% reproducible on two computers.
First computer is a dual Athlon MP 2000+, running the Gentoo 2.4.20-gentoo-r7 kernel. The second one is a Toshiba 470CDT laptop running the 2.4.22 vanilla kernel.
The laptop currently doesn't have a working network card so I'm using a PQI TravelFlash card reader to exchange data.
The problem is that every time I remove the card reader and insert it again it gets a new device. The old ones remain in /proc/partitions and get set to 1GB size if I try to access them. Otherwise they remain showing the 64MB of the removed card reader.
For example, on the Athlon, /proc/partitions looks like this after inserting and removing the card several times:
8 0 1048575 scsi/host1/bus0/target0/lun0/disc 2 6 16 0 0 0 0 0 0 0 0 8 16 61440 scsi/host1/bus0/target0/lun1/disc 160 6 174 484 23 4012 4035 26798 0 2866 27282 8 17 61375 scsi/host1/bus0/target0/lun1/part1 159 3 166 478 23 4012 4035 26798 0 2860 27276 8 32 1048575 scsi/host1/bus0/target0/lun2/disc 2 6 16 0 0 0 0 0 0 0 0 8 48 1048575 scsi/host1/bus0/target0/lun3/disc 2 6 16 0 0 0 0 0 0 0 0 8 64 1048575 scsi/host2/bus0/target0/lun0/disc 2 6 16 0 0 0 0 0 0 0 0 8 80 61440 scsi/host2/bus0/target0/lun1/disc 1 3 8 6 0 0 0 0 0 6 6 8 81 61375 scsi/host2/bus0/target0/lun1/part1 0 0 0 0 0 0 0 0 0 0 0 8 96 1048575 scsi/host2/bus0/target0/lun2/disc 2 6 16 0 0 0 0 0 0 0 0 8 112 1048575 scsi/host2/bus0/target0/lun3/disc 2 6 16 0 0 0 0 0 0 0 0 8 128 1048575 scsi/host3/bus0/target0/lun0/disc 2 6 16 0 0 0 0 0 0 0 0 8 144 61440 scsi/host3/bus0/target0/lun1/disc 1 3 8 6 0 0 0 0 0 6 6 8 145 61375 scsi/host3/bus0/target0/lun1/part1 0 0 0 0 0 0 0 0 0 0 0
I have also noticed that in /proc/scsi/ there is a usb-storage-N directory created every time I insert the card reader, with the file inside having a content like:
Host scsi2: usb-storage Vendor: Generic Product: USB Storage Device Serial Number: 0AEC305000001A006 Protocol: Transparent SCSI Transport: Bulk GUID: 0aec5010aec305000001a006 Attached: No
Only the last one has 'Attached' set to 'Yes':
Host scsi4: usb-storage Vendor: Generic Product: USB Storage Device Serial Number: 0AEC305000001A008 Protocol: Transparent SCSI Transport: Bulk GUID: 0aec5010aec305000001a008 Attached: Yes
I'm guessing the kernel is keeping it there for some reason, but I can't figure out why. I guess it might be trying to allow to reinsert a device later, but if so, it's definitely not working.
Here are the USB lines from .config for the laptop. CONFIG_USB=y CONFIG_USB_DEBUG=y CONFIG_USB_DEVICEFS=y CONFIG_USB_OHCI=y CONFIG_USB_STORAGE=y CONFIG_USB_STORAGE_DATAFAB=y CONFIG_USB_STORAGE_FREECOM=y CONFIG_USB_STORAGE_ISD200=y CONFIG_USB_STORAGE_DPCM=y CONFIG_USB_STORAGE_SDDR09=y CONFIG_USB_STORAGE_SDDR55=y CONFIG_USB_STORAGE_JUMPSHOT=y CONFIG_USB_PWC=y CONFIG_USB_USBNET=y
Perhaps I'm missing something obvious here, but I googled for this and didn't find anything. Other people seem to have had this problem, but I haven't found any answers.
Thanks in advance [unhandled content-type:application/pgp-signature] | |