Re: ECC memory driver in FreeBSD 10?
Miroslav Lachman <[email protected]>
| Newsgroups | gmane.os.freebsd.current,gmane.os.freebsd.performance |
|---|---|
| Message-ID | <[email protected]> |
Nikolay Denev wrote: > On Apr 6, 2012, at 2:48 PM, O. Hartmann wrote: > >> I'm looking for a way to force FreeBSD 10 to maintain/watch ECC errors >> reported by UEFI (or BIOS). >> Since ECC is said to be essential for server systems both in buisness >> and science and I do not question this, I was wondering if I can not >> report ECC errors via a watchdog or UEFI (ACPI?) report to syslog >> facility on FreeBSD. >> FreeBSD is supposed to be a server operating system, as far as I know, >> so I believe there must be something which didn't have revealed itself >> to me, yet. > > If the hardware supports it, such errors should be logged as MCEs (Machine Check Exceptions). > I can say for sure it works pretty well with Dell servers, as I had one with failing RAM module, and > it reported the corrected ECC errors in dmesg. Memory ECC errors are logged in to messages and you can decode it by sysutils/mcelog. I did it in the past on one of our Sun Fire X2100 M2 with FreeBSD 8.x. Miroslav Lachman _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "[email protected]"