[Kernel-packages] [Bug 930447] Re: 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

2014-04-09 Thread Colin Allinson
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 because, once I got past the pae issue I found something far
more mature and developed than I ever suspected.

I know there is probably some good reason but it would be nice if the
next version could automatically add the 'forcepae' if it found the
appropriate conditions to do so.

@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 quiet splash -- forcepae

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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

Status in “linux” package in Ubuntu:
  Fix Released
Status in “syslinux” package in Ubuntu:
  Invalid
Status in Baltix GNU/Linux:
  Triaged

Bug description:
  Ubuntu 12.04 doesn't start from Desktop CD or USB with syslinux boot
  loader on Pentium M 1.6Ghz or faster Pentium M CPU - displays error
  message about missing PAE feature in CPU, but *the same* *Ubuntu
  12.04* Desktop CD/LiveUSB starts fine on *the same CPU* (and same PAE
  kernel) if GRUB boot loader is used, for example when WUBI or LiveUSB
  with GRUB boot loader, like Multisystem
  (http://liveusb.info/dotclear/index.php?pages/install ) is used!

  The error message is:
  This kernel requires the following features not present on the CPU: pae.
  Unable to boot - please use a kernel appropriate for you CPU.

  THIS IS AN IMPORTANT REGRESSION! People are able to install and successfully 
use Ubuntu 12.04 on such pretty new hardware, like IBM Thinkpad T42 laptop with 
Pentium M 1700Mhz processor, but the bug in syslinux (or something related) 
forbids Ubuntu 12.04 installation.
  This bug is reproducible on lots of computers, there are several log files 
and /proc/cpuinfo file attached to this bugreport, AFAIK it's enough to reopen 
this bug.

  ---
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order 
/var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission 
denied
  MachineType: IBM 2373PPU
  dmi.bios.date: 06/18/2007
  dmi.bios.vendor: IBM
  dmi.bios.version: 1RETDRWW (3.23 )
  dmi.board.name: 2373PPU
  dmi.board.vendor: IBM
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: IBM
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnIBM:bvr1RETDRWW(3.23):bd06/18/2007:svnIBM:pn2373PPU:pvrThinkPadT42:rvnIBM:rn2373PPU:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
  dmi.product.name: 2373PPU
  dmi.product.version: ThinkPad T42
  dmi.sys.vendor: IBM

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[Kernel-packages] [Bug 930447] Re: 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

2014-04-08 Thread Colin Allinson
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 something reasonably well packaged without a huge
learning curve up front.

I tried various other flavours of Linux (including Lubuntu 12.04) and
none of them really floated my boat but then I found the nonpae 12.04
desktop build mentioned by Dave Henningsson in reply #84 and that is
exactly what an ignorant exile from Win XP was looking for. Easy to
install, well packaged, no learning of command line fiddles and easy to
use for a Linux first timer. Thanks Dave.

If it was that easy without searching then I guess more ex XP users
would migrate rather than give up and go away.

Incidentally - Dave said he hadn't fully tested this build - I have
given it quite a bending and have found no problems so far.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/930447

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

Status in “linux” package in Ubuntu:
  Fix Released
Status in “syslinux” package in Ubuntu:
  Invalid
Status in Baltix GNU/Linux:
  Triaged

Bug description:
  Ubuntu 12.04 doesn't start from Desktop CD or USB with syslinux boot
  loader on Pentium M 1.6Ghz or faster Pentium M CPU - displays error
  message about missing PAE feature in CPU, but *the same* *Ubuntu
  12.04* Desktop CD/LiveUSB starts fine on *the same CPU* (and same PAE
  kernel) if GRUB boot loader is used, for example when WUBI or LiveUSB
  with GRUB boot loader, like Multisystem
  (http://liveusb.info/dotclear/index.php?pages/install ) is used!

  The error message is:
  This kernel requires the following features not present on the CPU: pae.
  Unable to boot - please use a kernel appropriate for you CPU.

  THIS IS AN IMPORTANT REGRESSION! People are able to install and successfully 
use Ubuntu 12.04 on such pretty new hardware, like IBM Thinkpad T42 laptop with 
Pentium M 1700Mhz processor, but the bug in syslinux (or something related) 
forbids Ubuntu 12.04 installation.
  This bug is reproducible on lots of computers, there are several log files 
and /proc/cpuinfo file attached to this bugreport, AFAIK it's enough to reopen 
this bug.

  ---
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order 
/var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission 
denied
  MachineType: IBM 2373PPU
  dmi.bios.date: 06/18/2007
  dmi.bios.vendor: IBM
  dmi.bios.version: 1RETDRWW (3.23 )
  dmi.board.name: 2373PPU
  dmi.board.vendor: IBM
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: IBM
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnIBM:bvr1RETDRWW(3.23):bd06/18/2007:svnIBM:pn2373PPU:pvrThinkPadT42:rvnIBM:rn2373PPU:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
  dmi.product.name: 2373PPU
  dmi.product.version: ThinkPad T42
  dmi.sys.vendor: IBM

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/930447/+subscriptions

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