Multipath TCP for FreeBSD v0.4

[Nils Beyer]

Hi Nigel,

Nigel Williams wrote:
>> Do you want any crash dumps? If yes, where do you want them to be
>> uploaded?
> 
> Yes, that would be helpful (I'll send you a link to a drop box). If you
> were able to email me the core text files that might also help.

Thanks for the link. I've sent you two crash dumps including the core text
files.


> Okay, I'll set up something similar. Did you configure any other TCP
> sysctls?

Yes:
===============================================================================
net.inet.ip.fw.default_to_accept=1
net.inet.tcp.sack.enable=0
net.inet.tcp.tso=0
net.inet.tcp.mptcp.mp_addresses="192.168.1.1"
net.inet.tcp.mptcp.linux_compat=0
===============================================================================


and I've built the whole system on both nodes without WITNESS and other debug-
ging functionalities:
===============================================================================
Index: /usr/src/sys/amd64/conf/GENERIC
===================================================================
--- /usr/src/sys/amd64/conf/GENERIC     (revision 265307)
+++ /usr/src/sys/amd64/conf/GENERIC     (working copy)
@@ -76,14 +76,14 @@
 options        KDB                     # Enable kernel debugger support.
 options        KDB_TRACE               # Print a stack trace for a panic.
 # For full debugger support use (turn off in stable branch):
-options        DDB                     # Support DDB.
-options        GDB                     # Support remote GDB.
-options        DEADLKRES               # Enable the deadlock resolver
-options        INVARIANTS              # Enable calls of extra sanity checking
-options        INVARIANT_SUPPORT       # Extra sanity checks of internal structures, required by INVARIANTS
-options        WITNESS                 # Enable checks to detect deadlocks and cycles
-options        WITNESS_SKIPSPIN        # Don't run witness on spinlocks for speed
-options        MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones
+#options       DDB                     # Support DDB.
+#options       GDB                     # Support remote GDB.
+#options       DEADLKRES               # Enable the deadlock resolver
+#options       INVARIANTS              # Enable calls of extra sanity checking
+#options       INVARIANT_SUPPORT       # Extra sanity checks of internal structures, required by INVARIANTS
+#options       WITNESS                 # Enable checks to detect deadlocks and cycles
+#options       WITNESS_SKIPSPIN        # Don't run witness on spinlocks for speed
+#options       MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones
 
 # Make an SMP-capable kernel by default
 options        SMP                     # Symmetric MultiProcessor Kernel
===============================================================================



Regards,
Nils