Re: Messages from MCA in the kernel log

2011-06-19 Thread Frédéric Perrin
per...@pluto.rain.com writes: Frederic Perrin f...@resel.fr wrote: ... I don't know what MCA, DRD, SNOOP and {D,G}CACHE stand for... MCA = Machine Check Architecture. DRD here probably refers to a data read cycle. SNOOP has to do with hardware-maintained cache coherency. DCACHE = data

Messages from MCA in the kernel log

2011-06-18 Thread Frédéric Perrin
Hello list, The following appeared in the dmesg buffer of my FreeBSD server. From my reading of x86/x86/mca.c, this means that the CPU had two (correctable) cache errors. This doesn't help me much, as I don't know what MCA, DRD, SNOOP and {D,G}CACHE stand for... Is it a transient error? Should I

Re: Messages from MCA in the kernel log

2011-06-18 Thread perryh
Frederic Perrin f...@resel.fr wrote: ... I don't know what MCA, DRD, SNOOP and {D,G}CACHE stand for... MCA = Machine Check Architecture. DRD here probably refers to a data read cycle. SNOOP has to do with hardware-maintained cache coherency. DCACHE = data cache. Google and/or Wikipedia may