[ale] Machine Check Exception

Chris Fowler cfowler at outpostsentinel.com
Sun Jan 17 14:13:54 EST 2016


I'm testing a new x86 based device (really just a small PC type) and on one I'm getting a Machine Check Exception. I'd like to determine the cause of this, but not sure how. 

[Hardware Error]: CPU 2: Machine Check Exception: 4 Bank 0: 9000000020000003 
[Hardware Error]: TSC 538bf0cf7f8 
[Hardware Error]: PROCESSOR 0:30678 TIME 1452457392 SOCKET 0 APIC 4 
[Hardware Error]: No human readable MCE decoding support on this CPU type. 
[Hardware Error]: Run the message through 'mcelog --ascii' to decode. 
[Hardware Error]: CPU 3: Machine Check Exception: 4 Bank 0: 9000000020000003 
[Hardware Error]: TSC 538bf0cf798 
[Hardware Error]: PROCESSOR 0:30678 TIME 1452457392 SOCKET 0 APIC 6 
[Hardware Error]: No human readable MCE decoding support on this CPU type. 
[Hardware Error]: Run the message through 'mcelog --ascii' to decode. 
[Hardware Error]: CPU 1: Machine Check Exception: 4 Bank 0: b200000510000420 
[Hardware Error]: TSC 538bf0cf6c0 
[Hardware Error]: PROCESSOR 0:30678 TIME 1452457392 SOCKET 0 APIC 2 
[Hardware Error]: No human readable MCE decoding support on this CPU type. 
[Hardware Error]: Run the message through 'mcelog --ascii' to decode. 
[Hardware Error]: CPU 0: Machine Check Exception: 4 Bank 0: b200000510000420 
[Hardware Error]: TSC 538bf0cf6d8 
[Hardware Error]: PROCESSOR 0:30678 TIME 1452457392 SOCKET 0 APIC 0 
[Hardware Error]: No human readable MCE decoding support on this CPU type. 
[Hardware Error]: Run the message through 'mcelog --ascii' to decode. 
[Hardware Error]: Machine check: Processor context corrupt 
Kernel panic - not syncing: Fatal Machine check 
Pid: 0, comm: swapper Tainted: G M W 2.6.38 #131 
Call Trace: 
[<c102ccea>] ? panic+0x53/0x12e 
[<c100f6ff>] ? mce_panic+0x142/0x159 
[<c100fe6d>] ? do_machine_check+0x56a/0x70f 
[<c100f903>] ? do_machine_check+0x0/0x70f 
[<c149166a>] ? error_code+0x5a/0x60 
[<c10400d8>] ? add_sysfs_param+0xf3/0x11b 
[<c100f903>] ? do_machine_check+0x0/0x70f 
[<c11d6848>] ? acpi_safe_halt+0x19/0x26 
[<c11d690f>] ? acpi_idle_enter_c1+0x5a/0xa3 
[<c130d936>] ? cpuidle_idle_call+0xd3/0x159 
[<c100194f>] ? cpu_idle+0x41/0x5e 
[<c16e288c>] ? start_kernel+0x2bd/0x2c0 


Can I run mcelog on the output on another computer or do I need to run mcelog on the machine with this problem? 

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