Date: Thu, 20 Oct 2005 13:29:55 -0700 From: Rem P Roberti <remegius@comcast.net> To: zeiglerr@dickinson.edu Cc: freebsd-questions@freebsd.org Subject: Re: removable usb media don't present devices to mount Message-ID: <4357FE43.7060809@comcast.net> In-Reply-To: <200510201559.08229.zeiglerr@dickinson.edu> References: <200510201559.08229.zeiglerr@dickinson.edu>
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Ryan Zeigler wrote: >I'm using FreeBSD 6.0-rc1, and I'm having trouble with removable usb memory >drives. I plug the device in, and get this from dmesg: > >umass0: LEXAR MEDIA JUMPDRIVE2, rev 2.00/1.25, addr 2 > >There is no mention at all of /dev/da0, which is, as I understand it, the >device that is traditionally presented to mount. usbdevs sees the device, >and gives this output. > >port 8 addr 2: high speed, power 70 mA, config 1, JUMPDRIVE2(0xa300), LEXAR >MEDIA(0x05dc), rev 1.25 > >This occurs both with GENERIC kernels, and a custom kernel that I configured. >The custom configuration is listed here: >http://www.dickinson.edu/~zeiglerr/STRMKERNEL > >Other things of interest. At random intervals, unplugging the device and >replugging it gives me this out of dmesg: > >umass0: LEXAR MEDIA JUMPDRIVE2, rev 2.00/1.25, addr 2 >da0 at umass-sim0 bus 0 target 0 lun 0 >da0: <Generic STORAGE DEVICE 1.25> Removable Direct Access SCSI-0 device >da0: 40.000MB/s transfers >da0: 250MB (512000 512 byte sectors: 64H 32S/T 250C) >(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x10, scsi status >== 0x0 > >However, the mount command hangs in this case (I left it, and came back an >hour later and it hadn't mounted). > >The USB drive works, as it is autodetected and mounted by Mac's and various >other USB memory drives are not properly recognized either. > >On a whim, I booted into a FreeSBIE live CD that I have, and it was >automounted and functioned correctly. > >One last little bit of interest, booting hangs immediately before attempting >to mount / if I boot with the device plugged in. Booting continues normally >when I unplug the device. I am not sure if this is significant. > >I would appreciate any help that could be offered. Thanks. > > > How are you mounting the drive? Here is what works for me: mount_msdosfs /dev/da0s1 /mnt Rem
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