[mythtv-users] Kernel errors

[Frank Phillips]

On Tue, Apr 17, 2012 at 7:07 PM, Jerry Rubinow <jerrymr at gmail.com> wrote:

> On Tue, Apr 17, 2012 at 9:02 AM, Mark Lord <mythtv at rtr.ca> wrote:
>
>> On 12-04-16 11:36 PM, Jerry Rubinow wrote:
>> > My mythbackend computer locked up today, the whole computer, not just
>> mythbackend.  Following is the
>> > syslog at the time this happened.  It's been rock steady for months,
>> and I haven't made any changes
>> > lately.  I rebooted and now it seems to be functioning normally.
>> >
>> > Any suggestions for what I should do?  Is this a sign of disk errors?
>> ..
>>
>> No, not with the scanty information provided.
>> If there are disk errors, then there will be kernel logs along with them.
>>
>> Also, "smartctl -a /dev/sdX" will give very good information
>> about the error state of the drives.
>>
>
> Thanks Mark.  kern.log had the same info as syslog, and smartctl wasn't
> revealing.  Sorry for the scanty info, but I'm not sure what direction to
> look.
>
> Once more piece of data is that I saw a very high load before it
> completely locked up, but the top items in top were not using much cpu.
>
>
 That high load is caused by IO wait, which you can see in top as %wa. The
longer the disk takes to complete a task, the more processes backup in the
queue, causing a high load to be reported. Look closely at your disk, as it
most likely has issues.
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