01-04-2008 06:52 AM
Hi, I have a very big issue here. My 7206 Router suddenly reboot. I don't know what happen. On the show version it has a message " memory parity error at PC 0x6077DBFC " what does it mean? how do I troubleshoot this?
Thank you in advance
01-04-2008 12:15 PM
If you have a support contract, contact Cisco TAC.
Otherwise, follow the directions on this URL for diagnostics:
http://www.cisco.com/en/US/products/hw/routers/ps341/products_tech_note09186a0080094793.shtml
01-05-2008 11:48 AM
I've trace all the logs and here's what I found
TelwiseXOEther#sh context
System was restarted by processor memory parity error at PC 0x60788B6C, address 0x0 at 19:48:22 UTC Fri Jan 4 2008
7200 Software (C7200-JS-M), Version 12.3(14)T7, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Compiled Thu 23-Mar-06 04:43 by pwade
Image text-base: 0x6000905C, data-base: 0x627A2000
Stack trace from system failure:
FP: 0x661335B8, RA: 0x60788B6C
FP: 0x661335D0, RA: 0x6079A7F8
FP: 0x661335E8, RA: 0x60AE580C
FP: 0x66133630, RA: 0x60AE39D4
FP: 0x66133688, RA: 0x60AE5B34
FP: 0x661336D0, RA: 0x60AE3784
FP: 0x66133728, RA: 0x60AE0918
FP: 0x66133760, RA: 0x6103D300
Fault History Buffer:
7200 Software (C7200-JS-M), Version 12.3(14)T7, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Compiled Thu 23-Mar-06 04:43 by pwade
Signal = 20, Code = 0xA005F74B, Uptime 14:31:02
$0 : 00000000, AT : 640A0000, v0 : 00000000, v1 : 00000001
a0 : 64C5F6F4, a1 : 00000001, a2 : 66133784, a3 : 84EF0106
t0 : 00000020, t1 : 3400FF01, t2 : 3400C100, t3 : FFFF00FF
t4 : 60809718, t5 : 6600CDB0, t6 : 00000000, t7 : 6600CDA8
s0 : 654F787C, s1 : 66133650, s2 : 655071A0, s3 : 654E7850
s4 : 654F7814, s5 : 00000009, s6 : 64C5F6F4, s7 : 00000000
t8 : 6600CE20, t9 : 00000000, k0 : 3040D001, k1 : BF800000
gp : 640AB4C8, sp : 661335B8, s8 : 6552416C, ra : 60788B74
EPC : 60813908, SREG : 3400FF05, Cause : 00000400
Error EPC : 60788B6C, BadVaddr : DF
01-06-2008 04:27 AM
I'm tolled by the TAC, and experience confirms, that this may happen once and the device is fine ever after. It may also start to repeat this kind of reboot at an ever increasing rate.
As we have several customers that insist we replace the supervisor anyway I'm not able to say what the actual ratio is. TAC might be able to.
Cheers,
Michel
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