> Apparently this bug also prevented scheduling of endpoints which
> failed to schedule once in the past. Formerly I was getting only one
> 
> usbatm_submit_urb: urb 0xffff8807f1568b00 submission failed (-28)!
> 
> from ueagle-atm and now I'm getting regular spam. I think there's good
> chance that even on pre-3.18 kernels (which don't crash) iso streams
> silently drop data if the first submission fails and the driver
> retries.
> 
> I'll be able to do some functional testing later...

Sending this from the Eagle on OHCI. Works fine after 1 hour, 0.5GB and
few USB reconnections.

As I said, it now reports ENOSPC errors if there are low-speed devices
or significant isochronous transfers on the bus.

And as I suspected, 3.14 happily lets me run this modem and a low-speed
keyboard and a 192kB/s audio stream, all at the same time and with no
errors whatsoever :) Only it takes pppd a few minutes to even establish
the ppp session.
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