Messages in this thread |  | | Date | Fri, 21 Mar 2008 23:48:01 -0700 | From | "Yinghai Lu" <> | Subject | Re: [PATCH] x86_64: early memtest to find bad ram |
| |
On Fri, Mar 21, 2008 at 10:45 PM, Willy Tarreau <w@1wt.eu> wrote: > > On Fri, Mar 21, 2008 at 03:29:19PM +0100, Ingo Molnar wrote: > > > > * H. Peter Anvin <hpa@zytor.com> wrote: > > > > >> very nice patch! I always thought that this was the proper way to do > > >> memtest - and we could in fact also do something like this after SMP > > >> bringup, and hit the memory bus via multiple CPUs. [that will need a > > >> different enumeration though than e820 maps] > > >> > > >> one structural observation: please make this unified functionality, > > >> so that 32-bit kernels can make use of it too. > > >> > > > > > > Indeed. Of course, it would also be nice if distros shipped > > > bootloader-invoked prekernel test software, like memtest86+, by > > > default. > > > > some do (Fedora for example), but it's still a bit quirky for users to > > invoke and it would be nice to see those results in the kernel log as > > well and flag possibly flaky systems that way. (add a taint bit, etc., > > etc.) > > It may even make sense to merge in the full memtest86. The code is small > (both source and binary) and IIRC it shares a lot of init code with x86. > The remaining problem would then be how to maintain its tests up do date.
memtester is another choice, and it is more easy to be merged.
YH
|  |