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| author | Alexander Motin <mav@FreeBSD.org> | 2022-08-05 17:40:57 +0000 |
|---|---|---|
| committer | Alexander Motin <mav@FreeBSD.org> | 2022-08-05 17:48:05 +0000 |
| commit | ac64943ca8514382289e6054e8127726a7c40ea3 (patch) | |
| tree | b892a70eefa2c2c6639a6f2e4f127b194cf8e78d | |
| parent | c39eecd84b3e1e486fc6082653891c8f4506aff1 (diff) | |
| download | src-ac64943ca8514382289e6054e8127726a7c40ea3.tar.gz src-ac64943ca8514382289e6054e8127726a7c40ea3.zip | |
mca: Add sysctl to mute corrected errors.
Setting hw.mca.log_corrected to 0 will mute corrected errors logging
except ones marked as reaching Yellow threshold by hardware.
MFC after: 1 week
| -rw-r--r-- | sys/x86/x86/mca.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/x86/x86/mca.c b/sys/x86/x86/mca.c index e3386b5b7459..58630fae0781 100644 --- a/sys/x86/x86/mca.c +++ b/sys/x86/x86/mca.c @@ -109,6 +109,10 @@ static int mca_enabled = 1; SYSCTL_INT(_hw_mca, OID_AUTO, enabled, CTLFLAG_RDTUN, &mca_enabled, 0, "Administrative toggle for machine check support"); +static int log_corrected = 1; +SYSCTL_INT(_hw_mca, OID_AUTO, log_corrected, CTLFLAG_RWTUN, &log_corrected, 0, + "Log corrected errors to the console"); + static int amd10h_L1TP = 1; SYSCTL_INT(_hw_mca, OID_AUTO, amd10h_L1TP, CTLFLAG_RDTUN, &amd10h_L1TP, 0, "Administrative toggle for logging of level one TLB parity (L1TP) errors"); @@ -426,7 +430,12 @@ mca_log(const struct mca_record *rec) uint16_t mca_error; if (mca_mute(rec)) - return; + return; + + if (!log_corrected && (rec->mr_status & MC_STATUS_UC) == 0 && + (!tes_supported(rec->mr_mcg_cap) || + ((rec->mr_status & MC_STATUS_TES_STATUS) >> 53) != 0x2)) + return; printf("MCA: Bank %d, Status 0x%016llx\n", rec->mr_bank, (long long)rec->mr_status); |