Here is output from MCE log, for that one in ML
mare...@queeg:~$ echo CPU 0: Machine Check Exception: 4 Bank 4:
fe28a001fd080813 TSC 2eefd49369 ADDR f0050 MISC c0090e7e00000000 |
/usr/sbin/mcelog --ascii --k8
mcelog: Cannot open /dev/mem for DMI decoding: Permission denied
HARDWARE ERROR. This is *NOT* a software problem!
Please contact your hardware vendor
CPU 0 4 northbridge Northbridge RAM Chipkill ECC error
Chipkill ECC syndrome = fd51
bit32 = err cpu0
bit45 = uncorrected ecc error
bit57 = processor context corrupt
bit59 = misc error valid
bit61 = error uncorrected
bit62 = error overflow (multiple errors)
bus error 'local node origin, request didn't time out
generic read mem transaction
memory access, level generic'
STATUS fe28a001fd080813 MCGSTATUS 4
And from Ward:
CPU 0 4 northbridge Northbridge RAM Chipkill ECC error
Chipkill ECC syndrome = fd51
bit32 = err cpu0
bit45 = uncorrected ecc error
bit57 = processor context corrupt
bit59 = misc error valid
bit61 = error uncorrected
bit62 = error overflow (multiple errors)
bus error 'local node origin, request didn't time out
generic read mem transaction
memory access, level generic'
STATUS fe28a001fd080813 MCGSTATUS 4
Seems something went wrong with ECC. Maybe because the memory is not cleared
anymore?
Can someone test if
http://tracker.coreboot.org/trac/coreboot/changeset/4099/trunk/coreboot-v2/src/cpu/amd/car/clear_init_ram.c
this change is reverted problem goes away?
Rudolf
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