On Sun, Dec 04, 2011 at 01:27:57PM +0100, Thierry GRAUSS wrote: > Hello, > > I have a laptop computer with half of the RAM soldered on the motherboard. > This soldered RAM has a huge amount of bad RAM (too many errors to be able > to use the badram option). > > Fortunatly, there is a Linux kernel option (available in the mainstream > kernel, no need to patch anything) which can run tests like memtest86 when > Linux is booting so that it will automatically exclude these parts of the > memory from being used. > > This option, when enabled in the kernel, can be enabled and disabled with > a kernel boot argument (option memtest in grub). > > Is it possible to include this option in the default kernel, even if > disabled by default, but having the option enabled in the installation CD > (at least to be able to install the system without trouble)? > I managed to install Debian Squeeze, but it was really a pain with this > bad RAM. > > Performance benchmarks show also no impact at all from the memtest option. > > This option is not only useful for laptop computer like mine, but also > for the new "plug" servers based on ARM processors. Often they have only > soldered RAM chip. As reliability is even more important for a server than > for a laptop computer, I think that the activation of this option whould > help a lot to prevent to trash these little computers when/if they have > bad RAM modules. > > - Origin of the module, before it was included in the mainstream branch of > the kernel : http://rick.vanrein.org/linux/badram/ > - Benchmark of the memtest module : > http://rick.vanrein.org/linux/badram/results.html > - Example of use and explanation of the usefulness of the option when > running a server : > http://onlyjob.blogspot.com/2011/01/memtest-explained-linux-kernel.html > > Thank you in advance
>From http://lists.debian.org/debian-kernel/2011/12/msg00333.html do I understand that MEMTEST is now default in new kernels. > Best regards > Thierry GRAUSS Groeten Geert Stappers -- > And is there a policy on top-posting vs. bottom-posting? Yes. -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20111212214854.gg16...@gpm.stappers.nl
