Hello,
we imagined a poor speed while writing to USB-Sticks (USB 2.0) on
BeagleboardxM (OMAP3570). Reading from the same Devices has the expected
speed.
We use the linux-omap-psp-2.6.32 Kernel with an Angstrom based Linux
system from Openembedded 2011.03-maintenance.
Have someone imagined this
Op 21 sep. 2011, om 11:33 heeft Hauser, Wolfgang (external) het volgende
geschreven:
Hello,
we imagined a poor speed while writing to USB-Sticks (USB 2.0) on
BeagleboardxM (OMAP3570). Reading from the same Devices has the expected
speed.
We use the linux-omap-psp-2.6.32 Kernel with an
How did you measure the speed? Mount options play a big part in
perceived speed, but it could also be a generic omap ehci bug.
We played arround a bit, the raw writing speed is acceptable (dd
if=/dev/urandom of=/dev/sda bs=4k count=1000 - 525 kbit/s).
It seems it is the filesystem which makes