** Changed in: baltix
Status: Triaged => Fix Released
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
x86
Sorry for the confusion,
*I asked*
> I have a couple of questions about your Sony Vaio with Pentium M:
>
> What happens when you try to boot a PAE kernel with forcepae? Do you get
> an error message? Black screen?
>
> Are you sure it is not 'only' a problem with some other hardwar
Hi Chris,
1. It is not my computer. I have one with a very similar Pentium M CPU
which works with forcepae. I have asked the same questions but not yet
received a full answer from the owner. I will ask again ...
2. Thanks for finding the difference between the cpuid flags "a7e9fbbf"
and "afe9fbbf
> We found a Pentium M 1.70 GHz which does not work with forcepae. It gives the
> following output from
>
> cpuid|grep ^0001
>
> 0001 06d6 0816 0180 afe9fbbf
What happens when you try to boot with forcepae? Do you get an error
message? Black screen?
In the wiki you have men
The vast majority of Pentium M and Celeron M CPUs are suitable for
fakepae or forcepae and can work with PAE kernels. But some of these
processors need a non-pae kernel.
We found a Pentium M 1.70 GHz which does not work with forcepae. It
gives the following output from
cpuid|grep ^0001
0
> tried the on my Lenovo E600A with
> [--forcepae] parameter.
> I seemed successfully installed.
> But the desktop showed me slowly just as a slow-motion video :-(
> Maybe the forcepae caused that problem.
I doubt it, a more likely cause is that you don't have 3D acceleration
enabled. Try runnin
please try lubuntu/xubunu on such old hardware
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
x86 Laptop due to
Itried the on my Lenovo E600A with [--forcepae]
parameter.
I seemed successfully installed.
But the desktop showed me slowly just as a slow-motion video :-(
Maybe the forcepae caused that problem.
Hope David Henningsson can provide us another
.
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Hey guys,
So, I was looking for Ubuntu because Win Xp is not supported anymore. I
carefully readed everything here, but i have no clue how i could fix my problem.
Can please someone explain what i have to do, in a language that a
"noob" like me can understand? I never did anything with linux.
-
Hi Luis,
Now that I have got into it I might do this if I feel the need to
upgrade to the latest & greatest version - so, thanks for the howto.
Unfortunately I am afraid that many disenfranchised Win XP users will
not fiddle around like this (or even read this thread to find how to).
It's a pity
a todos: Gracias por la ayuda!
Stan
On Tue, April 8, 2014 1:03 pm, Luiz Angelo Daros de Luca wrote:
> @l-colin,
>
> 14.04 works flawlessly in Celeron/Pentium M processor systems. You just
> need to add forcepae do the kernel command line (at boot)
> On a livecd, press anykey as soon as it loads
@l-colin,
14.04 works flawlessly in Celeron/Pentium M processor systems. You just need to
add forcepae do the kernel command line (at boot)
On a livecd, press anykey as soon as it loads (the first purple screen). Use
the F6 option to add the forcepae. You'll have something like:
"...initrd.lz
This may not have been a burning issue in the past but, with Win XP
going unsupported, there are many Celeron/Pentium M processor systems
(concurrent with Win XP). that are now looking for easy solutions. I am
in exactly that position and have never touched any flavour of Linux
before. I needed som
:-)
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
x86 Laptop due to bug in PAE kernel, initramfs or syslinux
T
Good news, the forcepae patch got added to the upstream kernel source:
http://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/commit/?id=69f2366c9456d0ce784cf5aba87ee77eeadc1d5e
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oh, apparently kubuntu daily-build was a little bit "behind", i did
only check ubuntu and lubuntu and did not expect, that kubuntu iso
apparently did not have the most recent kernel.
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htt
@roland #291
Booting Kubuntu Trusty from either USB or DVD (Kubuntu > 700MB):
Daily ISO 2014.03.06 => Kernel: Linux kubuntu 3.13.0-15-generic #35-Ubuntu SMP
= not working
Daily ISO 2014.03.07 => Kernel: Linux kubuntu 3.13.0-16-generic #36-Ubuntu SMP
= working (without grub BL)
I'm very sorry
>Restarded the R51 and added the kernel "forcepae" parameter to the syslinux
>parameter line.
>Things looked excactly the same as so often before, installing any sort of
>12.04 ubuntu flavors.
>but the old syslinux "original" of this bug still persist right ?.
No, it shouldn`t.
If booted via sy
This is absolutly amasing news guyes, had lost any hope that this status
on this bug would ever change. Thankyou to the most persistent advocats
arguing this bug should be solved, and not least to Chris and others
involved in figuring out howto...
After reciving these great news, the first thing I
Yeah Thank you devs, thank you Roland, thank you Chris and all of you.
Ok, now I'm gonna try and download the iso...
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Title:
Unable to sta
one thing to add - on lubuntu iso i just tested, entering a kernel param
at boot/installation-time does not seem to find it`s way into grub.cfg -
so it needs to be re-added after installation.
since i´m not a long-time ubuntu user, i`m unsure if this a bug or by
design
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Now it is time for me to say thank you :-)
First of all, *I want to thank everybody contributing* to solving this
bug, or complex of bugs, concerning Pentium M and Celeron M CPUs and new
Ubuntu based kernels.
Then I want to mention roland aus köln (devzero-c), who continued
pushing this issue whe
apparently, the trusty-tahr daily build cd-images already contain the
fixed kernel, so if you have an affected system and want to try
installing (l/x)ubuntu you can get them here:
http://cdimage.ubuntu.com/lubuntu/daily-live/current/
http://cdimage.ubuntu.com/xubuntu/daily-live/current/
http://cdi
this is really good news, thanks!
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
x86 Laptop due to bug in PAE ke
This bug was fixed in the package linux - 3.13.0-16.36
---
linux (3.13.0-16.36) trusty; urgency=low
[ Tim Gardner ]
* Release Tracking Bug
- LP: #1287903
[ Andy Whitcroft ]
* Revert "[Config] lowlatency -- turn CONFIG_IRQ_FORCED_THREADING_DEFAULT
off temporarily"
** Changed in: syslinux (Ubuntu)
Status: Confirmed => Invalid
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium
>According to the discussion on LKML, linux16 is now the default on
Fedora, and should be used by other distributions.
i installed fedora20 for a test and so did hpa, and for both of us, the
result is different from what is being told:
http://marc.info/?l=linux-kernel&m=139380554401194&w=2
i do
Thank you Brian, Chris and everyone sudodus and everyone involved.
נשלח מנייד Sent from mobile
On Mar 3, 2014 8:55 PM, "sudodus" wrote:
> ERROR: PAE is disabled on this Pentium M
> (PAE can potentially be enabled with kernel parameter
> "forcepae" - this is unsupported, may cause unknown
> probl
Thanks Chris :-)
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
x86 Laptop due to bug in PAE kernel, initramfs o
ERROR: PAE is disabled on this Pentium M
(PAE can potentially be enabled with kernel parameter
"forcepae" - this is unsupported, may cause unknown
problems, and will taint the kernel)
This kernel requires the following features not present on the CPU:
pae
Unable to boot - please use a kernel appro
lkml: "grub is jumping to the 32-bit entry point and skipping the entire
real mode setup code. Bad grub."
You don't need to build a syslinux bootable iso. You can boot the kernel
from Grub in 16-bit mode by using the linux16 command
http://www.gnu.org/software/grub/manual/html_node/linux16.html
Works in my IBM Thinkpad T42 with Pentium M without a PAE flag but with
PAE capability.
But I have only booted via grub, because I cannot remaster an iso file.
Did you boot from syslinux, Roland?
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works for me.
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
x86 Laptop due to bug in PAE kernel, initramfs or s
@Chris -- I have taken the liberty of cleaning up the commentary on
those two patches and applying them to a 14.04 kernel for testing. You
might want to do something similar (feel free to steal the text I used
and clean it up) and then submit the patches together to upstream for
consideration; as
i just tested your patch on ubuntu 13.10 with kernel from 14.04
repository (complete package build)
works like a charm!
i would recommend adding the newly introduced param to to Documentation
/kernel-parameters.txt , see my patch at
https://bugs.launchpad.net/baltix/+bug/930447/comments/224
Tha
There's a new pair of patches: https://lkml.org/lkml/2014/2/28/258 and
https://lkml.org/lkml/2014/2/26/394
It's a small patch but test reports to LKML are still welcome (you don't
have to be subscribed to the list to respond, just use the correct
subject line).
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please let`s stop discussion as any further discussion does not add
anything valuable to the solution.
i think 272 comments (=thousands of lines of text) is enough discussion
for a problem which can be entirely fixed for everyone by some kernel
developer adding 22 lines of code to the linux kernel
I'm reprinting what I wrote in comment #105 because it is still so very
easy to install PAE, though it does require a little effort.
1) Download ISO of ubuntu flavor you wish to use, for example, xubuntu. I wil
use the name xubuntu.iso, for convenience.
2) partition and format USB stick, in this
There were *very* strong signals that the board, deciding about the
main-stream ubuntu edition, had decided to stop supporting non-pae CPUs
including Pentium M amd Celeron M, and that the decision was not going
to be changed.
You think that fake-PAE has been counter-productive, that it has done
mo
i read "experimental" in those links - and i think there are people who
dislike installing their operating system in a re-packaged way from a
community based, untrusted source. nothing against you, nio, you appear
trustworthy - but i`m one of those.
if all the community efforts had been put into
All the main Ubuntu flavours of version 13.10 are available as tarballs
to be installed with the One Button Installer,
ubuntuforums.org/showthread.php?t=2172971
and this works with Pentium M and Celeron M CPUs. Experimental Trusty
tarballs are already uploaded,
http://ubuntuforums.org/showthread
I know about lubuntu fake pae, and upgrading from 12.04 is one of the
options. By the way, this is not the point.. And what about if someone
needs Xubuntu or something else running out of the box? And when 14.04
will be released, there will be a lubuntu fake pae version? These are
all workarounds w
'...Why?? PAE Kernel!! I had to install 12.04, install fake-pae and the
make 3 (THREE) dist upgrades! (after days of research). Why force users
that have a PAE capable cpu (unlikely not advertised) to make tricks and
3-4-5 etc distribution upgrades just to be able to install the latest
distribution
Thanks again Roland for spending your time into this...I read the mails
on LKML, and since I don't know how it works (I am only a simple user) I
am asking...have we got more chances now to see this problem fixed
somewhere in the future or am I hoping for something that could never
arrive?
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You
Luke, thanks for letting us know and for the credits.
What you write is exactly the reason why i spent my free time on help
fixing this and it`s also the reason, why i was constantly nagging here
- and why i was (or still am, as it`s not fixed yet) very dissapointed,
too.
I hope that ubuntu will
I am not a dev, not a skilled programmer, but only a loyal and satisfied ubuntu
user since I switched from Suse to Dapper Drake 6.06 on my deprecated Pentium M.
This old and poor notebook have seen also Windows XP, Windows Vista and now it
can also run Windows 7 with not much pretends. I decided
dear ubuntu kernel team, please consider adding the patch from
https://lkml.org/lkml/2014/2/26/192 to the ubuntu kernel, so the pae
issue will be fixed with 14.04
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+1
(good news, thanks)
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
x86 Laptop due to bug in PAE kernel, initr
good news, thanks !
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
x86 Laptop due to bug in PAE kernel, initramf
LKML thread: https://lkml.org/lkml/2014/2/25/18
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
x86 Laptop due to
>May be "one-hundred-papercuts" is the right place if
>you feel a bug doesn't get enough attention foralongtime.
kernel specific bugs are excluded - see
https://wiki.ubuntu.com/One%20Hundred%20Papercuts/Papercuts
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>May be "one-hundred-papercuts" is the right place if you feel a bug
doesn't get enough attention foralongtime.
that`s a pointer, thanks.
>Another valuable thought is that one cannot blame the ubuntu-people
solely for not getting this right
yes, for sure intel also is to blame, but when the ubun
hi there!
reverted bug-status back to confirmed. There are other bug-statii like
"opinion, incomplete, fix released, fix commited"
Non of these reflect the situation, neither. The bug-report is valid
since a lot of users have confirmed it's existance.
May be "one-hundred-papercuts" is the right
** Tags added: trusty
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
x86 Laptop due to bug in PAE kernel, initra
** Changed in: syslinux (Ubuntu)
Status: Invalid => Confirmed
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium
Ubuntu is more and more microsoft-like :
What is good for UBUNTU/Window is good for customers, no matter what
they say.
This is the main problem of hegemonic situations.
By the way, LxLe hich is based on Lubuntu, runs perfectly from an Usb key on
these old laptops.
And it is light enough (not
they are probably putting the focus on the wrong things and/or are
understaffed.
i will not use ubuntu anymore because of this, because ubuntu does not
satisfy my expectation of a healty user and developer community.
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Roland,
Thanks for trying.
In 2012 an Ubuntu developer made a private version of 12.04 with PAE
support, so I am still using Ubuntu with my old laptop.
The Ubuntu team has people who could fix this the right way, but as you
said, they are lazy.
Stan
On Wed, February 12, 2014 4:39 pm, roland a
bugticket closed, as ubuntu team is ignorant and will not fix this. sad
but true.
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux load
more than one and a half months gone by and nothing happened.
14.04 will be out soon, and i swear it will still have that pentium M
issue.
i don`t know what you 101 guys will do, but i have one task on my todo:
wiping all computers in our fablab and replacing lubuntu with a linux
distro w/o plan
No further progress ?
ubuntu/lubuntu/xubunto 14.04 & co will soon get off the starting blocks
- i heard it will also be a LTS.
And all of those still being shipped with a known problem affecting
thousands of users ?
Please, Ubuntu team put an hour effort into this, this would save much
hassle an
It's also interesting for Ubuntu Kylin:
https://wiki.ubuntu.com/Ubuntu%20Kylin/1404-alpha-1-ReleaseNote#System_Requirements
;-)
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Title:
Unable t
So here we go
Intel(R) Celeron(R) M processor 1200Mhz 0695 0812 A7E9F9BF
Intel(R) Celeron(R) M processor 1300MHz 0695 0812 A7E9F9BF
Intel(R) Celeron(R) M processor 1400MHz 0695 0812 A7E9F9BF
Intel(R) Celeron(R) M processor 1400Mhz 06D6 000
Roland,
1. Thanks for keeping this issue alive :-)
2. We have evidence that these two CPUs also have PAE capability but no
PAE flag:
Celeron M 1200 Mhz 0001 0695 0812 a7e9f9bf
Celeron M 1300 MHz 0001 0695 0812 a7e9f9bf
Best regards
Nio
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adding to the list:
Intel(R) Celeron(R) M processor 1400MHz 0695 0812 A7E9F9BF
Intel(R) Celeron(R) M processor 1400Mhz 06D6 0812 AFE9F9BF
Intel(R) Celeron(R) M processor 1500MHz 0695 0812 A7E9F9BF
Intel(R) Pentium(R) M processor 1300MHz 0695 0
I think so too [that the faster ones with 133 MHz FSB (533 MHz transfer
rate) actually do report PAE].
Thank you for that cpuid line! I'll upload it into the list at
https://help.ubuntu.com/community/Lubuntu-fake-PAE#Test
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So that's where those lines are from.
0001 06d6 0816 0180 afe9f9bf
And yeah, I bought the fastest CPU at the time that would fit in this
laptop. I think the faster cores in the same series are all 133 MHz FSB
and actually do report PAE if I'm not mistaken, only the 100 MHz parts
s
Hi Oliver,
That is the fastest Pentium M without a PAE flag reported yet in this
project :-) Please post also the short output of the following command
line,
cpuid|grep ^0001
Best regards
Nio
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Here is my full cpuinfo, Pentium-M 2.1 GHz not having the PAE flag,
happily running a PAE kernel.
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : Intel(R) Pentium(R) M processor 2.10GHz
stepping: 6
microcode : 0x18
cpu MHz
is your cpu on the list above (see 5 posts before) ?
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
x86 Laptop d
With Ubuntu 13.10 it has become a mess. I tried to install it 4 times on
my notebook now. It would go through the complete installation process
and only at the end suddenly the kernel failed to install. I thought I
may have connectivity problems at first. Only after manually doing a
dpkg -i on the
Not seeing my 2100 MHz Pentium-M (100 MHz FSB f i'm not mistaken) I'll
try to run the test sometime soon.
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Title:
Unable to start Ubuntu 12.04 liv
it`s based on information from cpu-world.com, they have a large "real
world" cpuid database (user submitted data).
it`s ineed not tested, but based on the infos at
https://help.ubuntu.com/community/Lubuntu-fake-PAE#Test i would
logically assume, that all of these behave identically. they all have
Hi Roland,
Nice list :-) How did you compile it? Are all those CPUs tested, or are
you adding some of the CPUs versions via logical conclusions?
Best regards
Nio
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hopefully, this should (hopefully) be a comprehensive list of all
affected CPU`s:
Intel(R) Celeron(R) M processor 1400MHz 0695 0812 A7E9F9BF
Intel(R) Celeron(R) M processor 1400Mhz 06D6 0812 AFE9F9BF
Intel(R) Celeron(R) M processor 1500MHz 0695 0812 00
here is amore comprehensive database containing cpuid information.
http://www.cpu-world.com/cgi-bin/CPUID.pl?s=21
unfortunately i have no clue how to make a whitelist from that.
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On 29 November 2013 16:22, Andy Whitcroft wrote:
> For clarity the error referred to in this bug is emitted by the kernel
> from its 16bit entry point. The same check is not made when booted via
> its 32bit entry point. This is arguably a bug, the kernel should check
> and refuse to run when req
There is a start for such a whitelist in comment #203 :-)
If *you* have a Celeron M or Pentium M different from those in that
list, please supply your result of the PAE test described in
https://help.ubuntu.com/community/Lubuntu-fake-PAE
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For clarity the error referred to in this bug is emitted by the kernel
from its 16bit entry point. The same check is not made when booted via
its 32bit entry point. This is arguably a bug, the kernel should check
and refuse to run when required features are not present. In this case
the main iss
>>as Debian also includes a pae flags check in the 686 kernel package
>the pae flags check is in the x86 bootcode of the kernel and apparently
it depends on the bootloader if it`s being executed or not.
I meant the check in the linux-image-* package preinst, the check
prevents the package from be
>as Debian also includes a pae flags check in the 686 kernel package
the pae flags check is in the x86 bootcode of the kernel and apparently
it depends on the bootloader if it`s being executed or not.
only grub2 seems to skips that code which does vga initialization, cpu-
checking and other steps
Actually the problem is not Ubuntu specific as Debian also includes a
pae flags check in the 686 kernel package. Having a detection patch in
the upstream kernel would also fix the bug in Debian, and would be
better for users than having to manually alter the kernel command line.
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On 27 November 2013 10:42, roland aus köln wrote:
> i don`t have the skills for this and i don`t understand, why hpa
> forwarded discussion to lkml at this early stage, as it is a patch
> primary meant for the ubuntu kernel to adress an ubuntu specific
> problem.
>
I understand your concern. The
2013-11-27 11:24, Mantas Kriaučiūnas skrev:
> It seems, that Roland's (devzero-c) patch should be improved - see this
> email from kernel developer HPA:
>
> H. Peter Anvin wrote:
>> The right way to do this is to have the option, if it is found, simply set
>> the bit in the CPU array.
>> Howeve
i don`t have the skills for this and i don`t understand, why hpa
forwarded discussion to lkml at this early stage, as it is a patch
primary meant for the ubuntu kernel to adress an ubuntu specific
problem.
sure it is not perfect and not the optimal way to proceed, but it is a
solution to a problem
It seems, that Roland's (devzero-c) patch should be improved - see this
email from kernel developer HPA:
H. Peter Anvin wrote:
> The right way to do this is to have the option, if it is found, simply set
> the bit in the CPU array.
> However, it is important to verify that we are on the affecte
Great job Roland :-)
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
x86 Laptop due to bug in PAE kernel, initram
I've been tinkering around a little bit this evening
To: kernel-t...@lists.ubuntu.com
Cc: "H. Peter Anvin"
Subject: [PATCH] - add "fixpae" bootparam to fix/workaround #930447
Hello kernel-team,
regarding https://bugs.launchpad.net/ubuntu/+source/syslinux/+bug/930447
, i have developed a si
reference for grub mailinglist discussion (unfortunately, neither lkml
nor grub-ml post had been commented yet):
http://lists.gnu.org/archive/html/help-grub/2013-11/msg00031.html
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https:/
Now the snowball is rolling and it can take several directions.
1. The direction we want, that there will be bug-fixes, so that Celeron
M and Pentium M CPUs will be accepted for PAE kernels from the very
beginning of the installation :-)
2. A direction so that nothing happens to the Ubuntu code,
now i also understand, why setting vga textmodes on linux kernel does
not work anymore with ubuntu. i have come to ubuntu very recently (i`t
not the only distro i used) and always wondered about that:
http://savannah.gnu.org/bugs/?34610
** Bug watch added: GNU Savannah Bug Tracker #34610
http
reference for lkml discussion:
http://marc.info/?l=linux-kernel&m=138531102626148&w=2
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Title:
Unable to start Ubuntu 12.04 live CD with syslinux
so here we go:
i had some very short conversation with hpa (thank you for that valuable
input!) and he is telling, that grub2 bypasses standard linux kernel
initialization code . he thinks this is not good at all and wonders,
what makes grub2 think it`s smart enough to do so.
by piece of luck, gr
interesting - yes :)
please everybody excuse my harsh words in a previous comment. this is a
really obscure issue
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https://bugs.launchpad.net/bugs/930447
Title:
Unable to start Ubu
On 2013-11-24 14:54, roland aus köln wrote:
> one interesting finding:
>
> i tried grub4dos (0.95) to boot /casper/vmlinuz+initrd.lz from USB and
> it also does NOT boot , but also bails out with the "missing pae"
> message.
>
> so, apparently it`s NOT a syslinux triggered problem.
>
> maybe
one interesting finding:
i tried grub4dos (0.95) to boot /casper/vmlinuz+initrd.lz from USB and
it also does NOT boot , but also bails out with the "missing pae"
message.
so, apparently it`s NOT a syslinux triggered problem.
maybe this has something to do with realmode ?
think we need to fin
syslinux CAN check if there is PAE, but it looks that ubuntu makes no
use of that.
the message comes from the linux kernel, so the kernel checks for PAE
and does not find PAE. this is somewhat expected, when the cpu lies
about it.
but the question is, why booting via grub makes things work. so i`
On 2013-11-24 11:13, roland aus köln wrote:
> i did a comparison of the installer`s kernel .config with the kernel
> .config of my working system - and they appear nearly identical:
>
> 3c3
> < # Linux/i386 3.11.0-12-generic Kernel Configuration
> ---
>> # Linux/i386 3.11.0-13-generic Kernel Confi
i have copied the installer disks kernel and initrd to my working system
and it (indeed) boots via grub.
so it`s either syslinux which makes it fail boot or grub has something
alongside wich makes it work "magically" (as the kernel checks for PAE i
wonder, why it boots at all)
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You received th
i did a comparison of the installer`s kernel .config with the kernel
.config of my working system - and they appear nearly identical:
3c3
< # Linux/i386 3.11.0-12-generic Kernel Configuration
---
> # Linux/i386 3.11.0-13-generic Kernel Configuration
68c68
< CONFIG_VERSION_SIGNATURE="Ubuntu 3.11.0-
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