diff options
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/edac_mce_amd.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/edac/edac_mce_amd.c b/drivers/edac/edac_mce_amd.c index fe8ccebd9672..b30a8306b143 100644 --- a/drivers/edac/edac_mce_amd.c +++ b/drivers/edac/edac_mce_amd.c @@ -171,6 +171,63 @@ wrong_dc_mce: pr_warning("Corrupted DC MCE info?\n"); } +static void amd_decode_ic_mce(u64 mc1_status) +{ + u32 ec = mc1_status & 0xffff; + u32 xec = (mc1_status >> 16) & 0xf; + + pr_emerg(" Instruction Cache Error"); + + if (xec == 1 && TLB_ERROR(ec)) + pr_cont(": %s TLB multimatch.\n", LL_MSG(ec)); + else if (xec == 0) { + if (TLB_ERROR(ec)) + pr_cont(": %s TLB Parity error.\n", LL_MSG(ec)); + else if (BUS_ERROR(ec)) { + if (boot_cpu_data.x86 == 0xf && + (mc1_status & (1ULL << 58))) + pr_cont(" during system linefill.\n"); + else + pr_cont(" during attempted NB data read.\n"); + } else if (MEM_ERROR(ec)) { + u8 ll = ec & 0x3; + u8 rrrr = (ec >> 4) & 0xf; + + if (ll == 0x2) + pr_cont(" during a linefill from L2.\n"); + else if (ll == 0x1) { + + switch (rrrr) { + case 0x5: + pr_cont(": Parity error during " + "data load.\n"); + break; + + case 0x7: + pr_cont(": Copyback Parity/Victim" + " error.\n"); + break; + + case 0x8: + pr_cont(": Tag Snoop error.\n"); + break; + + default: + goto wrong_ic_mce; + break; + } + } + } else + goto wrong_ic_mce; + } else + goto wrong_ic_mce; + + return; + +wrong_ic_mce: + pr_warning("Corrupted IC MCE info?\n"); +} + void amd_decode_nb_mce(int node_id, struct err_regs *regs, int handle_errors) { u32 ec = ERROR_CODE(regs->nbsl); @@ -259,6 +316,10 @@ void decode_mce(struct mce *m) amd_decode_dc_mce(m->status); break; + case 1: + amd_decode_ic_mce(m->status); + break; + case 4: regs.nbsl = (u32) m->status; regs.nbsh = (u32)(m->status >> 32); |