Re: [PATCH net 1/1] tipc: fix socket timer deadlock

2016-06-17 Thread David Miller
From: Jon Maloy Date: Fri, 17 Jun 2016 06:35:57 -0400 > We sometimes observe a 'deadly embrace' type deadlock occurring > between mutually connected sockets on the same node. This happens > when the one-hour peer supervision timers happen to expire > simultaneously in both sockets. > > The scena

[PATCH net 1/1] tipc: fix socket timer deadlock

2016-06-17 Thread Jon Maloy
We sometimes observe a 'deadly embrace' type deadlock occurring between mutually connected sockets on the same node. This happens when the one-hour peer supervision timers happen to expire simultaneously in both sockets. The scenario is as follows: CPU 1: CPU 2: