On Wed, Nov 6, 2013 at 1:16 AM, Mikael Pettersson <mikpeli...@gmail.com> wrote: > I recently got a Dell Latitude E6230 (Ivy Bridge i7-3540M) and noticed that > the mtrr sanitizer failed on it: > > === snip === > Linux version 3.12.0 (mikpe@barley) (gcc version 4.8.3 20131017 (prerelease) > (GCC) ) #1 SMP Wed Nov 6 09:46:02 CET 2013 > Command line: ro root=LABEL=/ resume=/dev/sda2 rd_NO_LUKS rd_NO_LVM rd_NO_MD > rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=sv-latin1 ... gran_size: 8M chunk_size: 64M num_reg: 9 lose cover RAM: 6M ... > mtrr_cleanup: can not find optimal value > please specify mtrr_gran_size/mtrr_chunk_size > === snip === > > For now I'm disabling the mtrr sanitizer in this machine's kernel.
Can you try to boot with "mtrr_gran_size=8m mtrr_chunk_size=64m" ? Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
