Messages in this thread | | | Date | Wed, 6 Aug 2003 14:23:36 -0700 | From | Greg KH <> | Subject | Re: usbcore module can't unload after swsusp |
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On Wed, Aug 06, 2003 at 10:42:06PM +0300, Micha Feigin wrote: > I am running a patched kernel 2.4.21 with acpi and swsusp ver 1.0.3 > with usb compiled in as a module. > > When kernel loads for the first time everything works fine, all usb > modules can be loaded and unloaded properly. After suspending and > restarting, the computer comes up fine and everything works. The > problem is that at this point, when I try to unload the usbcore module > it gets to the point of calling usb_hub_cleanup in drivers/usb/hub.c. > At this points it tried to kill khubd with killproc, which works fine > (the process is stoped), with a return value of 0. The problem is that > at this point the function locks on the call > wait_for_completion(&khubd_exited); which never returns, and rmmod gets > locked. I tried changing the DECLARE_COMPLETION call so that it will be > redone each time the module starts but it didn't solve the problem. Any > ideas on how to further persue this or whether there is a known > solution?
Unload the usb modules before suspending.
Good luck,
greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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