On Fri, 28 Nov 2008 15:28:35 +0200 Andriy Gapon <[EMAIL PROTECTED]> wrote:
> > I have a new machine with DG33TL mainboard (ICH9/G33). > In a course of some hacking I ran dd if=/dev/mem ... to scan all memory, > this caused the machine to hang. > I tried to reproduce and this is 100% reproducible. > > I am not used to such behavior. In older days I could scan all the > memory without any issues. > > Could this be related to some modern form of memory-mapped IO? Or to > Intel Management Engine (that seems t bite into DRAM)? > Or something else? > > Just wondering. > That's what I would assume. With some hardware just reading a register can be harmful. --- Gary Jennejohn _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"