On Monday 28 April 2008, Xiaofan Chen wrote: > On Mon, Apr 28, 2008 at 4:35 PM, Hans Petter Selasky <[EMAIL PROTECTED]> wrote: > > > > Then try to mount again. You can also try loading ata-usb instead > > > > of umass. ata-usb will query the disk size regularly. > > > > > > Hmm, I do not see any thing similar to ata-usb module in the kernel > > > and I can not load ata-usb. > > > > Do you have: > > > > /sys/modules/ata/atausb ? > > Hmm yes I have the module. > > [EMAIL PROTECTED] /sys/modules/ata/atausb]$ sudo make > [EMAIL PROTECTED] /sys/modules/ata/atausb]$ sudo make install > install -o root -g wheel -m 555 atausb.ko /boot/kernel > kldxref /boot/kernel > [EMAIL PROTECTED] /sys/modules/ata/atausb]$ sudo kldload atausb > > After plugging in the USB disk, I got the following: > [EMAIL PROTECTED] ~]$ dmesg > umass0: <USB Mass Storage, class 0/0, rev 2.00/2.00, addr 2> on usb2 > umass0: SCSI over Bulk-Only; quirks = 0x0000 > umass0:0:0:-1: Attached to scbus0 > da0 at umass-sim0 bus 0 target 0 lun 0 > da0: <NATIONAL FLASH DISK 2.00> Removable Direct Access SCSI-2 device > da0: 40.000MB/s transfers > da0: 477MB (976896 512 byte sectors: 64H 32S/T 477C) > cd0 at umass-sim0 bus 0 target 0 lun 1 > cd0: <NATIONAL FLASH DISK 2.00> Removable CD-ROM SCSI-2 device > cd0: 40.000MB/s transfers > cd0: Attempt to query device size failed: NOT READY, Medium not present > GEOM_LABEL: Label for provider da0s1 is msdosfs/NATIONAL. > > [EMAIL PROTECTED] ~]$ sudo cat /dev/null > /dev/cd0 > bash: /dev/cd0: Permission denied > [EMAIL PROTECTED] ~]$ su - > freebsd7# bash > [EMAIL PROTECTED] ~]# cat /dev/null > /dev/cd0 > [EMAIL PROTECTED] ~]# mount_cd9660 /dev/cd0 /media/usbcd > mount_cd9660: /dev/cd0: Invalid argument > > [EMAIL PROTECTED] ~]# kldunload umass > kldunload: can't find file umass > > So it seems that umass is still claiming the device. How do > I unload umass without rebuilding the kernel? > > Xiaofan
If umass is in the kernel you need to rebuild. Else you "kldunload umass". --HPS _______________________________________________ freebsd-usb@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "[EMAIL PROTECTED]"
