NEC720101_2.6.22.9_memory_leak

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Hi,

I am a newbie usb user.
We have a board with IXP4xx ARM processor,
with a NEC PD720101 USB host controller,
kernel 2.6.22.9 (big-endian mode).
When I plug various USB modems (Huawei, Zadako)
in and out I got memory leak with OHCI.
(Slab grows permanently, (8-16 kB)).
With EHCI is the result the same.
When I rmmod the option.ko, the result is also
the same. Surely it is a known
problem, I red the Changelogs until 2.6.33
but I didn't found a proper patch or solution.
(i have no libusb, so I have no lsusb output)
Thank You for the help
best regards Peter Nogradi
  


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