question on a kernal "uhhuh" message
Rick Stevens
ricks at nerd.com
Mon Aug 25 22:02:44 UTC 2008
Paul Newell wrote:
> Alain Spineux wrote:
>> On Mon, Aug 25, 2008 at 10:47 PM, Paul Newell <pnewell at cs.cmu.edu> wrote:
>>
>>> While running a long "yum update", I got the following message in the
>>> middle:
>>>
>>> (367/406): cscope-15.6-2.fc9.i386.rpm | 141
>>> kB 00:01 (368/406): gstreamer-p 86% | 20% |== | 57
>>> kB/s | 192
>>> kB 00:12 ETA
>>> Message from syslogd at chowder at Aug 25 11:55:03 ...
>>> kernel: Uhhuh. NMI received for unknown reason a1 on CPU 0.
>>>
>>> Message from syslogd at chowder at Aug 25 11:55:03 ...
>>> kernel: You have some hardware problem, likely on the PCI bus.
>>>
>>> Message from syslogd at chowder at Aug 25 11:55:03 ...
>>> kernel: Dazed and confused, but trying to continue
>>> (368/406): gstreamer-plugins-base-0.10.19-2.fc9.i386.rpm | 929
>>> kB 00:12 (369/406): exempi-2.0.1-1.fc9.i386.rpm
>>> | 297
>>> kB 00:03
>>>
>>> I am assuming that the second occurrence of "(368/406):
>>> gstreamer-plugins-base-0.10.19.2.fc9.i386.rpm" indicates that it did
>>> finish
>>> that rpm given that the rpm_debug_check and Transaction Test seemed
>>> to have
>>> passed.
>>>
>>> So, I am figuring this is my computer burping somewhere. Even though
>>> it is
>>> trying to point me at my PCI bus, I do not know what test / diags I
>>> should
>>> be running to find out if there really is a hardware problem and, if so,
>>> where and then how to deal with it.
>>>
>>
>>
>> Any RedHat compatible distribution, has a memory test included in the
>> first install CD.
>> Just boot on it, an type memtest or mem86 or memtes86 or something
>> like that to start the test.
>> Be carrefull, some VGA adapter share the begining of the memory and
>> this part of the memory must be
>> skipped to avoid false error.
>>
>>
> Alain:
>
> I installed off a DVD, which should be the same, so my one question
> before I try this is "at what point to I get it to not do an
> install/update but to give me a terminal (or single-user window) so I
> can execute this command. Actually, being new to this, I don't even know
> if this is something I get a terminal / single-user window for as I
> don't know how early I am jumping in.
Boot off the CD/DVD. At the "boot:" prompt, enter "memtest86" and off
you go.
>
> For what it is worth, I don't see any errors in the while process of
> powering up the machine, but maybe the boot process isn't doing all the
> tests you are suggesting.
>
> Thanks,
> Paul
>
--
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- Rick Stevens, Systems Engineer rps2 at nerd.com -
- Hosting Consulting, Inc. -
- -
- "Very funny, Scotty. Now beam down my clothes." -
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