[ILUG] Unexpected system restarts

[Lisa Muir]

if you have a spare hour, run memtest86

am seeing a huge amount of ram failures in the last year or so, far
too much cheap ram on the market causing manufacturers to sacrifice
quality processes for price drops.

Lisa.

On Wed, Oct 1, 2008 at 8:43 AM, John Kinsella <John.Kinsella at ul.ie> wrote:
> Hi
> I'm running Ubuntu 8.04  on a new-ish DellPC.
> Noticed this morning that system had restarted about 22:00 last night.
> kinsella at jkcray:~ >uptime
> 08:38:13 up 10:19,  5 users,  load average: 0.11, 0.15, 0.27
>
> This has happened a couple of times in the last month.
>
> Its possible that builders working late knocked power off on the power
> connection.
>
> If that is not the case can anyone advise where to start when looking for
> the cause?
> (System logs seem the obvious place -
> kinsella at jkcray:/var/log >ls -lt|more
> total 47344
> -rw-r----- 1 syslog adm    24210 2008-10-01 08:40 auth.log
> -rw-r----- 1 syslog adm   149106 2008-10-01 08:40 messages
> -rw-r----- 1 syslog adm    13867 2008-10-01 08:40 syslog
> -rw-r----- 1 syslog adm   156365 2008-10-01 08:16 kern.log
> -rw-rw-r-- 1 root   utmp    1920 2008-10-01 08:15 wtmp
> -rw-r----- 1 syslog adm    30594 2008-10-01 08:08 mail.info
> -rw-r----- 1 syslog adm    30594 2008-10-01 08:08 mail.log
> -rw-r----- 1 syslog adm    30206 2008-10-01 08:06 daemon.log
> -rw-r----- 1 syslog adm      505 2008-10-01 08:05 user.log
> -rw-r----- 1 syslog adm    28993 2008-10-01 08:05 debug
> -rw-rw-r-- 1 root   utmp     384 2008-10-01 08:04 btmp
> -rw-r----- 1 root   adm        0 2008-10-01 07:58 dpkg.log
> drwxr-xr-x 2 root   root    4096 2008-10-01 07:57 apt
> drwxr-xr-x 2 root   root    4096 2008-10-01 07:57 cups
> -rw-r----- 1 syslog adm   221282 2008-10-01 07:40 syslog.0
> -rw-r--r-- 1 root   root   66669 2008-09-30 22:20 Xorg.0.log
> -rw-rw-r-- 1 root   utmp   97536 2008-09-30 22:20 wtmp.1
> -rw-r----- 1 root   adm      344 2008-09-30 22:20 acpid
> drwxr-xr-x 2 root   root    4096 2008-09-30 22:20 gdm
> -rw-r----- 1 root   adm    32818 2008-09-30 22:20 dmesg
> -rw-r--r-- 1 root   root  335587 2008-09-30 22:18 udev
> -rw-rw-r-- 1 root   utmp  292876 2008-09-30 18:47 lastlog
> )
>
> (The system was not particularly heavily loaded and I didn't leave any
> number-crunching processes running.
>
> Thanks for any advice.
>
> John
>
> --
> John A. Kinsella                Ph:     +353-61-202148          (Direct)
>                                        +353-61-333644 x 2148   (Switch)
> Mathematics Dept.               e-mail: John.Kinsella at ul.ie
> University of Limerick          FAX:    +353-61-334927
> IRELAND                         Web:    http://jkcray.maths.ul.ie
>
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