Correct me if I'm wrong ... this isn't really a usbdevfs problem, it's that problem with host controller drivers that don't queue control requests (uhci, usb-uhci). Yes? Userspace workarounds shouldn't be needed any more for 2.5 kernels.If it's really a usbdevfs problem, what is it, and why hasn't that been fixed? I don't recall seeing any bug reports.I have mailed that often enoug (> 1) ;)
I don't remember any usbfs problems being identified, though I recall who wanted the "sleep 3" (and why!).
Since your SuSE hotplug patches have your workaround, you're OK;It is nice that 2.5 has it fixed, but I need something for 2.4.21, soon.
though it'd likely be worth patching more current hotplug RPMs
than those from last January. (Wait a week or so :).
I confess to really disliking the logic that creates and
counts lots of /var/run/hotplug/* tempfiles and sleeping
accordingly. It'd be simpler, and almost as robust, to
just sleep some $RANDOM extra time on 2.4 kernels.
- Dave
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