Re: USB storage (pendrive) problems

[Randy.Dunlap]

Andrew Walrond wrote:
> On Monday 20 December 2004 21:54, Attila BODY wrote:
>
> > Hi,
> >
> > I have some weird problems with my pendrives recently. I just compile a
> > 2.6.9 to check if the problem is still exists there.
> >
> > current kernel is 2.6.10-rc3 and the situation is the following:
> >
> > If I copy more than few megabytes to the drive, the activity LED keeps
> > flashing forever. sync, umount keeps runing forever, normal reboot is
> > inpossible (alt+sysreq+b seems to work)
> >
> > Tested with usb 1.1 and 2.0 pendrives, behaviour is the same.
>
>
> I'm doing exactly that with 2.6.10-rc3. umount does take a very long time (but 
> I had just written 600Mb+ over usb 1.1)
>
> Are you sure it doesn't come back if you leave it long enough?
>
> Do the throughput sums; you'll be suprised how long it takes to send more than 
> a few Mb over usb 1.1 (1.5Mb/s). Eg 600Mb = 7minutes
>
> Usb 2 should be much faster; Do you have EHCI loaded?

and which usb driver are you using?
ub or usb-storage?  (what's the /dev name that you mount?)

--
~Randy
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