Re: dd if=/dev/mem can hang a machine?

2008-12-04 Thread Andriy Gapon
BTW, I think it was related to reading memory-mapped registers intended to put CPU into Cx states (x = 2). -- Andriy Gapon ___ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any

Re: dd if=/dev/mem can hang a machine?

2008-12-01 Thread Andriy Gapon
on 30/11/2008 22:14 Julian Stacey said the following: Gary Jennejohn wrote: 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

Re: dd if=/dev/mem can hang a machine?

2008-11-30 Thread Gary Jennejohn
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

Re: dd if=/dev/mem can hang a machine?

2008-11-30 Thread Julian Stacey
Gary Jennejohn wrote: 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

dd if=/dev/mem can hang a machine?

2008-11-28 Thread Andriy Gapon
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