I’m glad to hear that frequency scaling is running for you too ! I’m running it for about two weeks now without freeze. I started test about frequency scaling to reduce the system temperature.
I would like to give you the heat reduction, but global weather conditions (in France) have changed significantly and the comparison is difficult.

Sam.
PS: Regarding my previous investigation regarding the PATA driver, after a week I gave up and installed a lightweight Ubuntu 8.04…

I also have a EN12000EG for few weeks now, but I still have stability issues.

I have:

– run memtest86 for hours

– set the BIOS according to rararasputin’s advices

– kept the proc at 1200 MHz

– tried 686 and 486 kernel

– in text mode only (no X)

and all I get is a 1 to 20 hours uptime… and nothing on /var/log/* neither on serial console connected to kernel debug. At least the watchdog works :-S

(current step is a “in RAM system” with no disk at all, no result for now…)

I’m running a Debian Etchnhalf: kernel 2.6.24-486, with only a PATA disk. Could you please precise your configuration:

– type of disk

– kernel used

– modules loaded

Thanx,

Sam

My disk is a Samsung Spinpoint HM250JI, which is a 250 GB SATA disk.

As for the kernel I just update whenever a new kernel for Ubuntu is available and I havn’t had any problems with any Ubuntu 8.04 kernels, my current kernel: Linux 2.6.24-20-generic i686 GNU/Linux.

List of modules: http://lukasz.dk/files/en12000eg_modules.txt

Since I wrote the post I’ve had an uptime of over 21 days at one point until I rebooted due to a kernel update :-)

Hi Lukasz,

Thanx for the (very quick) answer !

I suspected the PATA driver, and there is a significant difference between Debian Etchnhalf and Ubuntu Harper:

Debian Etchnhalf: my PATA HDD was seen as /dev/hda (through IDE stack)

Ubuntu Harper: the same PATA HDD is seen as /dev/sda (through SCSI stack)…

So, I stopped my long term test of “just in RAM” uptime (after 8h) to try a long term test of Ubuntu Harper.

If this fail, I’ll buy a SATA disk !

Thanx again,

Sam

PS: I was used to my previous EPIA 533Mhz with always more than 200 days uptime.

PPS: for your information, concerning the temperatures: after several tests and measurements, I now assume that:

– SYS = temp1-40°C

– CPU = temp2+40°C

(I think during BIOS update, VIA mixed the two offsets registers of the Windbond…)

that was around 2.6.22 or 2.6.21 i guess. perhaps this problem has been long fixed.

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