Date: Fri, 10 Sep 2010 12:06:35 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: freebsd-stable Stable <freebsd-stable@freebsd.org> Cc: "John H. Baldwin" <jhb@freebsd.org> Subject: Enabling MCA causes system hangs Message-ID: <E0962551-398E-49C7-BFB6-496AB58B2779@gsoft.com.au>
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Hi, I recently tried enabling MCA (ie w.mca.enabled=3D1 in loader.conf) on = an 8.0-STABLE system and found that it would cause the system to hang = after a few minutes of uptime. The screen would go black and the monitor would turn off (regardless of = wether it was in X or not) and only a hard reset would bring it back. Also I found that quite often I had to power cycle the whole PC or the = BIOS wouldn't detect the hard disks on boot(!) after a hang. uname is.. FreeBSD midget.dons.net.au 8.0-STABLE FreeBSD 8.0-STABLE #6 r202903M: = Sun Jan 24 13:45:11 CST 2010 = darius@midget.dons.net.au:/usr/obj/usr/src/sys/MIDGET amd64 The motherboard is a Gigabyte GA-MA785GM-US2H with an Athlon II X2 240 = CPU & 4Gb of RAM. -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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