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Old 04-15-2010, 08:57 AM
Alvin
 
Default Bug or hardware failure

A week ago, a server of mine suddenly started to halt on random moments. Blank
screen, no input. Drives and memory where fine. I needed frequent reboots to
be able to finally start the machine (always that blank screen)
Nothing in the logs hours before a sudden crash, nothing in /var/crash.

After a BIOS upgrade, the only message I got after a flash of grub was:
PANIC: early exception 08 rip 246:10 error ffffffff810356e6 cr2 0
(Older kernel gives same message.)

A replacement board showed the same error on boot, so unless both boards are
faulty, a software error is more likely.

I had more success getting the system to boot with 'Intel Trusted Execution'
disabled.

So, how would you debug a situation like this?

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Old 04-19-2010, 06:23 AM
Alvin
 
Default Bug or hardware failure

On Thursday 15 April 2010 10:57:24 Alvin wrote:
> A week ago, a server of mine suddenly started to halt on random moments.
> Blank screen, no input. Drives and memory where fine. I needed frequent
> reboots to be able to finally start the machine (always that blank screen)
> Nothing in the logs hours before a sudden crash, nothing in /var/crash.
>
> After a BIOS upgrade, the only message I got after a flash of grub was:
> PANIC: early exception 08 rip 246:10 error ffffffff810356e6 cr2 0
> (Older kernel gives same message.)
>
> A replacement board showed the same error on boot, so unless both boards
> are faulty, a software error is more likely.
>
> I had more success getting the system to boot with 'Intel Trusted
> Execution' disabled.
>
> So, how would you debug a situation like this?

Well, the unexpected happened. It was a hardware error. Both boards (or CPU?)
were faulty. I received a replacement board and CPU.

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Old 04-19-2010, 01:56 PM
Jim Tarvid
 
Default Bug or hardware failure

On Mon, Apr 19, 2010 at 2:23 AM, Alvin <info@alvin.be> wrote:

On Thursday 15 April 2010 10:57:24 Alvin wrote:

> A week ago, a server of mine suddenly started to halt on random moments.

> Blank screen, no input. Drives and memory where fine. I needed frequent

> reboots to be able to finally start the machine (always that blank screen)

> Nothing in the logs hours before a sudden crash, nothing in /var/crash.

>

> After a BIOS upgrade, the only message I got after a flash of grub was:

> PANIC: early exception 08 rip 246:10 error ffffffff810356e6 cr2 0

> (Older kernel gives same message.)

>

> A replacement board showed the same error on boot, so unless both boards

> are faulty, a software error is more likely.

>

> I had more success getting the system to boot with 'Intel Trusted

> Execution' disabled.

>

> So, how would you debug a situation like this?



Well, the unexpected happened. It was a hardware error. Both boards (or CPU?)

were faulty. I received a replacement board and CPU.



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More info: https://wiki.ubuntu.com/ServerTeam

I have a case like that now. My WIFI2200 slowly drops EVDO sensitivity. It was replaced once and continues to do the same.

Is the third one the "Charm"?

Jim


--
Rev. Jim Tarvid, PCA
Galax, Virginia
http://ls.net
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