Date: Mon, 2 Jul 2007 00:10:48 +0400 (MSD) From: Dmitry Morozovsky <marck@rinet.ru> To: Nate Lawson <nate@root.org> Cc: current <current@freebsd.org> Subject: Re: GEOM weirdness with SD flash reader? Message-ID: <20070702000903.L81781@woozle.rinet.ru> In-Reply-To: <46880400.70808@root.org> References: <46880400.70808@root.org>
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On Sun, 1 Jul 2007, Nate Lawson wrote: NL> Simply trying to mount a FAT filesystem in an external USB SD flash NL> reader. The reader works fine, no errors in dmesg. NL> NL> deenlo# fdisk da2 NL> ******* Working on device /dev/da2 ******* NL> parameters extracted from in-core disklabel are: NL> cylinders=982 heads=64 sectors/track=32 (2048 blks/cyl) NL> NL> parameters to be used for BIOS calculations are: NL> cylinders=982 heads=64 sectors/track=32 (2048 blks/cyl) NL> NL> Media sector size is 512 NL> Warning: BIOS sector numbering starts with sector 1 NL> Information from DOS bootblock is: NL> The data for partition 1 is: NL> sysid 6 (0x06),(Primary 'big' DOS (>= 32MB)) NL> start 243, size 2011917 (982 Meg), flag 0 NL> beg: cyl 0/ head 3/ sector 55; NL> end: cyl 998/ head 3/ sector 3 NL> The data for partition 2 is: NL> <UNUSED> NL> The data for partition 3 is: NL> <UNUSED> NL> The data for partition 4 is: NL> <UNUSED> NL> deenlo# mount -t msdosfs /dev/da2s1 /mnt/dos NL> mount_msdosfs: /dev/da2s1: No such file or directory NL> deenlo# mount -t msdosfs /dev/da2 /mnt/dos NL> mount_msdosfs: /dev/da2: Invalid argument NL> deenlo# mount -t msdosfs /dev/da2s1 /mnt/dos NL> [success] NL> NL> So I'm guessing GEOM had to decide to create /dev/da2s1 after I tried to NL> mount /dev/da2 directly? Nothing else would create the da2s1 device. NL> Once the device was created with make_dev(), repeated unmounts/mounts NL> work fine. Do you insert your card after reader got initialized? I have internal reader in my work machine, and have to use dd if=/dev/null of=/dev/daN count=0 to [re]initialize GEOM providers on newly inserted card... Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------
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