On 03/08/2014 01:30 AM, Nio Wiklund wrote:
2014-03-07 01:53, Nio Wiklund skrev:
Hi,
We want to try a new kernel for Trusty Tahr, that is developed by
PhillW. Many people help to build an Ubuntu based operating system
around it, a system that should work on most computers (maybe except
some of those brand new ones that cannot switch off UEFI).
We have a wide variety of computers, but have not found any really old
one without PAE capability. I'm not talking about Pentium M and Celeron
M, I'm talking about CPUs before Pentium II:
Pentium Pro, Pentium (i586), or Intel 486 or maybe the corresponding
generation of AMD from 1993-1997.
I have an old computer from 1998, and it has a Pentium II CPU at 400
MHz, so it must be older. Check for a clock frequency at or below 200 MHz.
If you are a happy owner of such a jewel, please help us test that the
non-pae kernel really works in a computer without PAE capability :-)
Best regards
Nio
Hi again,
After some [private] replies offering tests on old enough hardware, I
can report the following results:
You can try the installer (to find out if it boots and runs in text mode
with really low RAM). An older computer might need less RAM for drivers
than my IBM Thinkpad T42 with Pentium M CPU.
*The Debian installer, live in an iso file*
It starts in text mode and uses 18 MB RAM when idle (and 22 MB in a
newer computer with AMD Athlon dual core 4400+), but I have problems
below 64 MB, set with the boot option (text is default)
mem=48M
in an old IBM Thinkpad T42 with Pentium M CPU.
it cannot unpack initramfs
*Ubuntu Trusty installed system with Phill's non-pae kernel*
The Ubuntu Trusty kernel needs more RAM, now after some
testing I would say at least 64 MB, but I have problems below 80 MB, set
with the boot options
text mem=64M
in the same old IBM Thinkpad T42 with Pentium M CPU.
When idling
free -m # shows 38 MB RAM used
htop # shows 39 MB RAM used
but it seems more RAM is needed at some stage of the boot process.
-o-
The really old computers available so far have too low RAM, except one,
with a Pentium Pro at 200 Mhz. It has 128 Megabytes of memory. The
computer was purchased on 1996.08.31. But it has a PAE flag and should
be PAE capable.
I'm starting to think, that most computers if not all, that are old
enough to lack PAE capability have too low RAM anyway for our new Ubuntu
flavour non-pae kernel.
The outstanding exceptions are Celeron M and Pentium M, that lack the
PAE flag, but in most cases have PAE capability.
Further to my previous reply:
https://lists.ubuntu.com/archives/lubuntu-users/2014-March/006876.html
I have forgotten to mention that on this thread:
http://ubuntuforums.org/showthread.php?t=1590614
I manged to install - trying again to save you the trouble to go through
all the posts of that long thread - Linux on such super old machine (P2
with 64MB RAM and 4GB HDD) by:
1- Taking the HDD out - because the machine itself has nothing to be
used to install Linux.
2- Plugged the HDD to another machine.
3- Linux installed - I wasted one month for this experiment because more
than 50 different systems didn't work - check the thread.
4- Disconnected the HDD and put it back in.
One month, ladies and gentlemen. Yes, I learned a lot and proved a lot
but the real result wasn't helpful for a daily use. Why? because these
machines can no longer serve while we are in 2014.
I was shocked when I managed to connect to the Wireless Network and
update the system. But that was the further I managed to go IIRC.
See the thread if you wish:
http://ubuntuforums.org/showthread.php?t=1590614
If anyone still think I'm wrong, see the thread :)
And first thing you do, check the date of that thread: October 8th, 2010
Best regards
Nio
Thank you!
--
Ali/amjjawad
https://wiki.ubuntu.com/amjjawad
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