On Thu, Feb 2, 2012 at 9:22 AM, Matt Graham <[email protected]> wrote:
> From: Mark Phillips <[email protected]> > > Matt Graham <[email protected]> wrote: > >> If ehci_hcd isn't loaded, then USB2 devices will be limited to USB1 > speeds. > > OK, # lspci |grep -i ehci > > That just tells you whether an EHCI controller is present on the PCI bus > (one > is). You want "lsmod | grep ehci", which will tell you whether the > ehci_hcd > kernel module is loaded. > # lsmod | grep ehci ehci_hcd 40215 0 usbcore 124095 5 uvcvideo,usbhid,uhci_hcd,ehci_hcd Thanks...it is loaded. > > > How do I check if devices are automounted with -o sync? > > This depends on whether you're using an automounter and which one you're > using. I can't help that much with the automounter config, since I always > mount removable media manually and use fstab entries. But if you plug the > device in and start doing stuff with it, typing "mount" in a terminal > should > show you a bunch of output with a line like > > /dev/sdb1 on /mnt/somewhere type vfat (rw,noauto,users,umask=000) > > ...where the stuff within ()s is the options the device was mounted as. > "sync" probably shouldn't be in there if you want the fastest possible I/O. > from mount, with the HP usb stick installed: /dev/sdb1 on /media/usb0 type vfat (rw,nosuid,nodev,noexec,relatime,uid=1000,fmask=0022,dmask=0022,codepage=cp437,iocharset=utf8,shortname=mixed,errors=remount-ro,user=mark) No sync, so it was probably the file sizes? Mark
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