Messages in this thread | | | From | Anssi Hannula <> | Subject | Re: [REGRESSION] "USB: use kfifo to buffer usb-generic serial writes" causes gobi_loader to hang | Date | Sat, 20 Feb 2010 18:03:41 +0200 |
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On maanantai 15 helmikuu 2010 15:08:27 Oliver Neukum wrote: > Am Samstag, 13. Februar 2010 20:01:54 schrieb Anssi Hannula: > > > I'll get back to this later today, including testing with mdelay in > > > port_release with the extra sleep calls in gobi_loader. > > > > port_release is only called when the serial device is removed, so this > > has no effect here. > > But something must kill your last URB. > You are not using autosuspend are you?
Don't know, usbcore has autosuspend=2 and the gobi device has autosuspend=2 and supports_autosuspend=1.
> Can load usbserial with "debug=1"?
Here's the end of dmesg when running with that option: http://stuff.onse.fi/gobi2000/gobi-regression.dmesg.log
This is again with the gobi_loader with extra sleep added in the beginning. Otherwise it hangs (which is the actual original problem).
-- Anssi Hannula
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