On 2017.09.08 at 23:56 +0200, Borislav Petkov wrote: > On Fri, Sep 08, 2017 at 02:47:00PM -0700, Andy Lutomirski wrote: > > Any chance you could test with CONFIG_DEBUG_VM=y? There are lots of > > potentially useful assertions in that code. > > > > Can you also post your /proc/cpuinfo? And can you re-confirm that a > > problematic guest kernel is causing problems in the *host*? > > Also, have you seen any MCEs during early boot, after the freezes? > > You probably wouldn't have because we don't log them on F10h due to > broken BIOSen. So add "mce=bootlog" to your grub and warm-reset your box > after one of those freezes and send me dmesg. It should have an MCE in > there, if it happens what I think it happens.
Unfortunately the machine hangs in the BIOS after the first warm-reset. Probably when it encounters an MCE it doesn't expect. I have to warm-reset a second time to get to the boot-loader. So it is impossible for me to see any possible MCE. -- Markus