X freezes my Sony Vaio PCG-F801

[M. Warner Losh]

In message: <20031212171530.GH1367 at fetiche.sources.org>
            Stephane Bortzmeyer <stephane at laperouse.internatif.org> writes:
: On Thu, Dec 11, 2003 at 02:24:35PM -0800,
:  henry tieman <henryt_NOSPAM at aracnet.com> wrote 
:  a message of 38 lines which said:
: 
: > I have only seen 2 kinds of errors crash FreeBSD - bad device drivers 
: > and bad memory.
: 
: Formally speaking, it doesn't crash, it freezes. But you're right, not
: only the Xfree server is down, the machine stops replying to ping
: also, which seems to indicate that the kernel (or the PCI bus) was
: frozen.

I've seen similar things on my VAIO PCG-505TS.  I believe that it is
some kind of hang, since if it were an interrupt storm it would still
reply to pings (at least in 5.x that's what I've observed).

Warner