[CentOS] Kernel Panic - Not synching Machine Check

Karanbir Singh mail-lists at karan.org
Wed Dec 14 02:42:14 UTC 2005


Vikas wrote:
> I do have remote hands. When grub loads, it doesnt show the memtest86 option.
> 
> "select mentest86 option in boot menu."
> In which boot menu should I look for memtest86. ?
> 
> I am currently logged into the box. It runs fine for a couple of hours
> before it gives the kernel error. Can i run the memtest86 check from
> the shell ?
> 
> S
> 
> On 12/13/05, Adriano Frare <alfrare at e-alinux.com> wrote:
>> Vikas
>>
>> Do you have remote hand ? If yes, restart centos server and select
>> mentest86 option in boot menu.
>>
>> Vikas wrote:
>>> Is there a way to check the memory bank other then swapping in and out
>>> the memory modules. I am 90 miles away from the server. So swapping in
>>> and out the memory modules is really not an option,
>>>
>>> S
>>> On 12/13/05, Adriano Frare <alfrare at e-alinux.com> wrote:
>>>
>>>> Check MEMORY BANK (RAM)
>>>>
>>>> Vikas wrote:
>>>>
>>>>> This server was running fedora core 2 till 12/2/2005. It had an
>>>>> impressive uptime of 180 days or so. On friday I upgraded to CentOS
>>>>> 4.2. After upgrading to CentOS 4.2 this server has been throwing
>>>>> kernel panics every 10 hours or so.
>>>>>
>>>>> These are some of the error messages I am getting on the console:
>>>>> "CPU 0:Machine check exception :4 Bank 0 : f672100000000833
>>>>> TSC 112180365ccf ADDR e2c7f7c0
>>>>> Kernel Panic - Not synching  Machine Check"
>>>>>
>>>>> This is a production server. I would appreciate any help.
>>>>>

1. You need to install memtest in order for it to work - perhaps get 
memtest86+ fro dag's repo, it will setup the grub entry for you.

2. Could you refrain from top posting please ?

3. Could you trim reply posts if possible ?

Thanks :)

-- 

Karanbir Singh : http://www.karan.org/ : 2522219 at icq



More information about the CentOS mailing list