Question: how does Linux handle Parity/ECC errors?

Question: how does Linux handle Parity/ECC errors?

Post by Richard Ma » Sat, 06 Jul 1996 04:00:00

I am considering getting a Triton II motherboard for ECC memory checking.

Does anyone know if there are any Linux-specific issues about Parity/ECC
memory checking?  In particular, will the system record if there is a memory
error, or will it just crash and give a BIOS error?  Also, is there any way to
verify that memory checking is actually enabled on the system (on both the
hardware and software sides)?

Thank-you for any information,


1. ECC/Parity interrupt handled?

    I have heard that the ECC circuitry on some newer chipsets
    (Such as the Natoma used with the PPro) generate an interrupt
    when a single bit error is corrected. If this is true, how will
    Linux (2.0.x) kernels react to this interrupt?

    E.G. Will a 'parity error corrected' result in an 'unexpected
    interrupt' halt instead of a 'parity error system halted'
    condition of will the kernel go its happy way without ever
    letting me know there was an error?


Hank Barta                              White Oak Software Inc.

                Beautiful Sunny Winfield, Illinois

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