We have been looking more closely at the failure. Attached is a gdb log... As turns out, the failure is actually one level lower than tcp_v4_destroy_sock() in __kfree_skb(). It attempts to call a destructor which has a bogus address. The failing instruction is the call *(reg). tcp_writequeue_purge(sk)-> tcp_free_skb(sk, skb)-> __kfree_skb() The attached log has the sk and the "bad" skb as rendered by gdb. -- George Anzinger george@mvista.com High-res-timers: http://sourceforge.net/projects/high-res-timers/ Real time sched: http://sourceforge.net/projects/rtsched/ Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml
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