Date: Sun, 01 Jul 2007 12:44:00 -0700 From: Nate Lawson <nate@root.org> To: current <current@freebsd.org> Subject: GEOM weirdness with SD flash reader? Message-ID: <46880400.70808@root.org>
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Simply trying to mount a FAT filesystem in an external USB SD flash reader. The reader works fine, no errors in dmesg. deenlo# fdisk da2 ******* Working on device /dev/da2 ******* parameters extracted from in-core disklabel are: cylinders=982 heads=64 sectors/track=32 (2048 blks/cyl) parameters to be used for BIOS calculations are: cylinders=982 heads=64 sectors/track=32 (2048 blks/cyl) Media sector size is 512 Warning: BIOS sector numbering starts with sector 1 Information from DOS bootblock is: The data for partition 1 is: sysid 6 (0x06),(Primary 'big' DOS (>= 32MB)) start 243, size 2011917 (982 Meg), flag 0 beg: cyl 0/ head 3/ sector 55; end: cyl 998/ head 3/ sector 3 The data for partition 2 is: <UNUSED> The data for partition 3 is: <UNUSED> The data for partition 4 is: <UNUSED> deenlo# mount -t msdosfs /dev/da2s1 /mnt/dos mount_msdosfs: /dev/da2s1: No such file or directory deenlo# mount -t msdosfs /dev/da2 /mnt/dos mount_msdosfs: /dev/da2: Invalid argument deenlo# mount -t msdosfs /dev/da2s1 /mnt/dos [success] So I'm guessing GEOM had to decide to create /dev/da2s1 after I tried to mount /dev/da2 directly? Nothing else would create the da2s1 device. Once the device was created with make_dev(), repeated unmounts/mounts work fine. -- Nate
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