Robert, So am I reading this correctly, and you've got the system to boot off an SDXC card ? Well at least mounting the rootfs from it ?
On Fri, Nov 21, 2014 at 8:25 AM, Robert Nelson <[email protected]> wrote: > On Fri, Nov 21, 2014 at 9:11 AM, Robert Nelson <[email protected]> > wrote: > > Humm... So i picked up an SDXC card a few weeks back, but this > > conversation reminded me i should just test it to prove it for once an > > and all... Well... > > > > > > debian@beaglebone:~$ uname -r > > 3.8.13-bone67 > > debian@beaglebone:~$ dmesg > > [ 98.159775] mmc0: host does not support reading read-only switch. > > assuming write-enable. > > [ 98.161943] mmc0: new high speed SDXC card at address aaaa > > [ 98.165780] mmcblk1: mmc0:aaaa SU64G 59.4 GiB > > [ 98.169334] mmcblk1: p1 > > [ 172.261473] mmcblk1: p1 > > [ 277.923870] EXT4-fs (mmcblk1p1): mounted filesystem with ordered > > data mode. Opts: (null) > > > > (mmcblk1 is SDXC) > > debian@beaglebone:~$ sudo hdparm -tT /dev/mmcblk1 > > > > /dev/mmcblk1: > > Timing cached reads: 448 MB in 2.00 seconds = 224.03 MB/sec > > Timing buffered disk reads: 58 MB in 3.02 seconds = 19.23 MB/sec > > > > (mmcblk0 is eMMC which i booted off of..) > > debian@beaglebone:~$ sudo hdparm -tT /dev/mmcblk0 > > > > /dev/mmcblk0: > > Timing cached reads: 424 MB in 2.01 seconds = 211.39 MB/sec > > Timing buffered disk reads: 66 MB in 3.05 seconds = 21.66 MB/sec > > > > Well let's see if i can boot off the SDXC card.. > > Zero'ed out the eMMC: > > debian@beaglebone:~$ lsblk > NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT > mmcblk1boot0 179:16 0 1M 1 disk > mmcblk1boot1 179:24 0 1M 1 disk > mmcblk0 179:0 0 59.5G 0 disk > └─mmcblk0p1 179:1 0 59.5G 0 part / > mmcblk1 179:8 0 1.8G 0 disk > debian@beaglebone:~$ dmesg | grep mmcblk0 > [ 0.870861] mmcblk0: mmc0:aaaa SU64G 59.4 GiB > [ 0.872373] mmcblk0: p1 > [ 2.624594] EXT4-fs (mmcblk0p1): mounted filesystem with ordered > data mode. Opts: (null) > [ 7.353348] EXT4-fs (mmcblk0p1): re-mounted. Opts: (null) > [ 8.346567] EXT4-fs (mmcblk0p1): re-mounted. Opts: errors=remount-ro > [ 25.319932] lun0: LUN: removable file: /dev/mmcblk0p1 > > This is a: > > SanDisk Ultra 64GB micro SDXC > > Regards, > > -- > Robert Nelson > http://www.rcn-ee.com/ > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
