Messages in this thread | | | From | Oliver Neukum <> | Subject | Re: [PATCH] USB: fix deadlock in HCD code | Date | Wed, 21 May 2008 22:03:13 +0200 |
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Am Mittwoch 21 Mai 2008 16:46:45 schrieb Alan Stern: > One possibility is that in an earlier call to finish_urb, > usb_hcd_giveback_urb was called with interrupts disabled and returned > with interrupts enabled. In other words, some driver's callback > routine may have enabled interrupts incorrectly.
Are we sure the interrupt line is not shared with another driver that calls spin_unlock_irq() in its interrupt handler?
Regards Oliver
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