On 01/30/2017 11:58 AM, Bert Freudenberg wrote:


On Mon, Jan 30, 2017 at 5:48 PM, Dan Norton <dnorton@mindspring.com> wrote:
 
After a freeze, I find that pkill will cause output to crash.dmp and the latest is attached.

That looks benign.

How about attaching strace when frozen? 

sudo strace -p <pid>

This should log all system calls the VM is still doing. Then press alt-. and see if the VM processes that.

# strace -p 2475

produces lots of...
nanosleep({0, 0}, 0x7fff9b9b6060)       = 0
select(4, [3], [], [3], {0, 0})         = 0 (Timeout)
recvmsg(3, 0x7fff9b9b5df0, 0)           = -1 EAGAIN (Resource temporarily unavailable)
select(4, [3], [], [3], {0, 0})         = 0 (Timeout)
nanosleep({0, 0}, 0x7fff9b9b6060)       = 0
select(4, [3], [], [3], {0, 0})         = 0 (Timeout)
recvmsg(3, 0x7fff9b9b5df0, 0)           = -1 EAGAIN (Resource temporarily unavailable)
select(4, [3], [], [3], {0, 0})         = 0 (Timeout)
^Cnanosleep({0, 0}, Process 2475 detached
 <detached ...>

... before my packages are loaded as well as after the freeze. Identical AFAICT.
alt-. is not processed after the freeze.

 - Dan