Date: Thu, 24 Oct 2013 00:05:00 -0700 From: Shrikanth Kamath <shrikanth07@gmail.com> To: freebsd-hackers@freebsd.org, freebsd-i386@freebsd.org Subject: FreeBSD Machine check architecture and memory controller hub chipset Message-ID: <CAEOAkMU44ACSSftFnGVfanYAcwEYG5d=yexsrBvtXOuhfbMNcg@mail.gmail.com>
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The mca_check_status function checks the status of the Intel MCA registers to generate the mca records. When reporting compound error codes which indicate memory errors, does the memory controller hub chipset (say e.g Intel E7320 MCH is the participating memory controller) registers need to be set to assist the processor to generate the compound error codes corresponding to errors from memory controller? I want to be able to extend the mca_scan function to scan the memory controller hub chipset registers if this compound error code were to be generated. Reference, section 15.9.2 in Intel 64 and IA-32 architectures software developers manual (Vol 3). -- Shrikanth R K
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