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Message-Id: <200711191543.30665.krauz@cncz.cz> Date: Mon, 19 Nov 2007 15:43:30 +0100 From: Pavel Krauz <krauz@...z.cz> To: linux-kernel@...r.kernel.org Subject: wrong NUMA detection on HP385 G2 Hello my HP 385 G2 - 2x dual core Opteron 2216 running 2.6.23.1 with NUMA support says the following: cat /sys/devices/system/node/node0/cpumap 0000000f cat /sys/devices/system/node/node1/cpumap 00000000 and really in the node0 there are 4 sym links to cpu0-3 and there is no sym link in node1 subdirectory. I do not think this is correct. Consequently (I think because of this) the numa_run_on_node() function does not work correctly. Furthermore kernel panics during boot (under Centos 5.0) with 2.6.23.1 and 2.6.22.12 with NUMA when the machine is configured with less memory than it really has: with mem=3072M kernel boot parameter and 4GB of physical memory. Has anybody tried to boot NUMA enabled kernel with less memory configured than physical on dual Opteron system? Thanks and b.r. Pavel Krauz - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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