Ivan Voras wrote:

Ivan Voras wrote:

Another data point - the OS in the VM in question hanged today sometime after 5 AM in the following way:

    * console nonresponsive (also to ctrl-alt-del)
    * ssh login nonresponsive (timeout)
    * ping works (!)

Judging by the last seen timestamp, the machine should have been in the process of receiving rsync backups - so IO-bound.

It looks like something really could be fishy in this area, at least with VMWare. The same thing happened again, and I have an additional data point: I left 'top' running on the console and when I attached the VMWare console to the VM, the top was still running ok, but as soon as I hit a key on the keyboard, the OS console locked up. All other symptoms were as I enumerated above.

A buildworld is enough to kill the console for me under QEMU on a slow Windows host. Never seen problems with a native install of FreeBSD, though.
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