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Date: Mon, 12 Aug 2013 16:06:24 +0100 From: Andrew Brooks <arb@....dundee.ac.uk> To: Linux Net-Dev Mailing List <netdev@...r.kernel.org> Subject: How to debug a driver which hangs (niu)? Hello I'm using a network driver (niu) which regularly locks-up after printing the message "transmit timed out" (i.e. nothing else can be sent/received over that interface after the event). Does anyone have any tips for helping me to debug this? eg. how to find out what is causing the transmit timed out message; how to find out what state the driver is going into which causes the lock-up; how to get it out of this state and working again? I'm a programmer but I'm new to kernel drivers so all tips are most welcome, thanks! Andrew -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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