[Ns-bugs] [Bug 754] New: Occasional crashes in emulation mode (tap-bridge)
code at nsnam.ece.gatech.edu
Thu Nov 26 08:43:26 PST 2009
Summary: Occasional crashes in emulation mode (tap-bridge)
AssignedTo: ns-bugs at isi.edu
ReportedBy: f1mauchl at hsr.ch
Estimated Hours: 0.0
Created an attachment (id=682)
Host with dual-core cpu,
virtual machine running in VirtualBox (1 virtual CPU, 1 network interface
connected to a tap device),
ns-3 in realtime-mode (emulation), connecting the virtual machine with the host
via 2x TapBridge,
virtual machine has constant traffic (audio stream)
After some time (occurred between 1 and 72 hours) ns-3 crashes. I suspect the
crash being caused somewhere in TapBridge::ReadThread. Maybe there's a problem
with the Ref and Unref methods executed concurrently, finally causing the
refcount to hit 0 and deleting the SimulatorImpl.
I'm currently testing the patch in a long run.
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