* power on self test (POST) config option in kernel config
@ 2011-06-27 5:57 sri
2011-06-27 9:13 ` Vladimir Murzin
0 siblings, 1 reply; 2+ messages in thread
From: sri @ 2011-06-27 5:57 UTC (permalink / raw)
To: kernelnewbies
Hi,
One of my devices runs with Centos 5.3 kernel (kernel-2.6.18-128.el5) and
that box stops responding occasionally.
When did hard reboot, it comes to normal execution. I would like to see
which device failure caused the box to stop rebooting.
I would like to see the POST process execution (if enabled) during the
centos kernel boot time.
Is there any kernel config for POST?
Any suggestions are appreciated.
Thanks,
--
--
Krishna Mohan B
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* power on self test (POST) config option in kernel config
2011-06-27 5:57 power on self test (POST) config option in kernel config sri
@ 2011-06-27 9:13 ` Vladimir Murzin
0 siblings, 0 replies; 2+ messages in thread
From: Vladimir Murzin @ 2011-06-27 9:13 UTC (permalink / raw)
To: kernelnewbies
On Mon, Jun 27, 2011 at 9:57 AM, sri <bskmohan@gmail.com> wrote:
> Hi,
>
> One of my devices runs with Centos 5.3 kernel (kernel-2.6.18-128.el5) and
> that box stops responding occasionally.
> When did hard reboot, it comes to normal execution. I would like to see
> which device failure caused the box to stop rebooting.
> I would like to see the POST process execution (if enabled) during the
> centos kernel boot time.
> Is there any kernel config for POST?
>
> Any suggestions are appreciated.
>
> Thanks,
> --
> --
> ?Krishna Mohan B
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at kernelnewbies.org
> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>
>
I am afraid POST is kernel independent feature. Power-On-Self-Test
runs immediately after power applied and, if all went well, invokes
bootstrapping code.
Verbosity of POST is mainly configured into BIOS. Make sure you set up
maximum verbosity level.
To get information about what cause your system not responding it is
better to look up kernel messages. You provide poor information to
make any conclusion or even guessing. Sorry.
When you box is friezed try to invoke "magic keys"
(http://en.wikipedia.org/wiki/Magic_SysRq_key) to collect some
information.
P.S.
Sorry for my English
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