On 2/27/14, 11:08 PM, Peter Grehan wrote:
Hi Rudy,
I'm seeing something odd... I am running this command:
bhyve -c 4 -m 2048M -H -P -A -s 0:0,hostbridge -s 1:0,lpc -s
2,virtio-net,tap1 -s 3,virtio-blk,/dev/zvol/data/vm1 -l com1,/dev/nmdm1A
vm1
but I the VM is being lazy...
A number of people have reported this, and looking at it, I think
it's a bug in bhyve.
nmdm attempts to simulate modem control (not quite correctly - run
back-back cu's to see some of the behaviour), but also bhyve doesn't
open the device non-blocking. This results in the open() syscall
waiting for simulated carrier-detect to arrive, which doesn't happen
until the other end of the nmdm is opened.
I have a fix: echo into the nmdm after booting VM.
Added this line to bhyve.rc
echo >> ${bhyve_nmdmBdev}
Rudy
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