Latest -CURRENT/i386 could not start under VirutalBox 4.1.18 and 4.2 (Windows host): hangs up after atrtc0 detection

[Adrian Chadd]

On 19 September 2012 13:54, Lev Serebryakov <lev at freebsd.org> wrote:
> Hello, Ian.
> You wrote 20 сентября 2012 г., 0:46:24:
>
> IL> Yes, exactly.  I updated the PR to request that my patch not get
> IL> committed because it locks up virtualbox.  I hope to find time soon to
> IL> learn enough about installing/configuring virtualbox to figure out what
> IL> the problem is (offhand,I suspect it hangs in the loop that probes for
> IL> the need to re-index, because vbox doesn't quite emulate the hardware
> IL> behavior fully).
>  How could I help? Is it possible to debug kernel on such early stage?

Add something to atrtc_start() to only loop over that loop say, 64k
times before dropping out; and print an error if it hits that
condition.

Also, what's that RTCSA_8192 bit do?



adrian