Comment 305 for bug 930447
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| Chris Bainbridge (chris-bainbridge) wrote | #305 |
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0e1f616
(Get the code!)
> We found a Pentium M 1.70 GHz which does not work with forcepae. It gives the following output from
>
> cpuid|grep ^00000001
>
> 00000001 000006d6 00000816 00000180 afe9fbbf
What happens when you try to boot with forcepae? Do you get an error message? Black screen?
In the wiki you have mentioned "afe9fbbf for both of the CPUs that lack PAE capability" but the 1.2GHz that was reported to not work has cpuid "a7e9fbbf" and the 1.7Ghz "afe9fbbf" which are different (a7,af)
Compiling a non-PAE kernel is trivial - you just need to `apt-get source linux-image`, set CONFIG_X86_PAE=y in .config then `dpkg-buildpackage -b -uc`. You could easily automate this from a 32-bit 14.04 daily cron job that checks whether there is a new kernel version, and if so rebuild the kernel and pushes the result to a PPA (which would have to be enabled by default in Lubuntu or whatever).