On Mon, Oct 8, 2012 at 4:09 PM, Matt Fleming <matt@xxxxxxxxxxxxxxxxx> wrote: > > We've seen things like this before on Samsung laptops, > > https://bugzilla.kernel.org/show_bug.cgi?id=47121 > > We attributed it to a buggy UEFI implementation. > Thanks for the link. But what kind of bug this could be? And could it be worked around? How can i help? > So both Windows 7 and 8 boot successfully on your new laptop, but every > OS failed with the *same* MCE error on your first? That is interesting. > No. Windows-es didn't report any errors. The machine just broke someday when Windows 8 booted. Different Linux kernels fail with the same MCE. The same MCE rises sometimes (frequently, but not always) when i'm trying to write something to /sys entry for keyboard backlight or to rfkill bluetooth phy. > Does anyone have a clue how to diagnose this further? I still think it's > a buggy UEFI implementation, especially since it ships with a CSM. Is it > possible that these MCE errors are non-fatal on Win 7/8? > Are there any info on how to decode this MCE code? It is not covered in Intel's manuals. Hard to reason without any knowledge. - MB, respectfully -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
