Messages in this thread | | | Subject | Re: [x86-tip] RSDP changes converted i4790 box SMP -> UP | From | Gabriel C <> | Date | Mon, 15 Jan 2018 17:56:18 +0100 |
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On 15.01.2018 17:42, Juergen Gross wrote: > On 15/01/18 17:29, Gabriel C wrote: >> On 15.01.2018 16:40, Juergen Gross wrote: >>> On 15/01/18 16:32, Ingo Molnar wrote: >>>> >> >> Hi Juergen, >> >>>> * Juergen Gross <jgross@suse.com> wrote: >>>> >>>>> On 15/01/18 15:56, Borislav Petkov wrote: >>>>>> On Mon, Jan 15, 2018 at 03:52:25PM +0100, Juergen Gross wrote: >>>>>>> Ingo, with my finding that above boot failure is related to a bug in >>>>>>> openSUSE's grub2 (I've verified it soesn't exist in upstream grub2), >>>>>> >>>>>> The box I'm seeing this on has SLES12-SP2 grub: >>>>>> >>>>>> Version : 2.02~beta2-115.9.1 >>>>>> >>>>>> Does it have the same bug? >>>>> >>>>> The patch introducing this problem is from 2012. So I guess: yes. >>>> >>>> I suspect this makes it a widespread, unintended ABI. Can we detect >>>> and somehow avoid it? >>>> >>>> The boot protocol ABI sucks if it's fragile against such mistakes. >>> >>> Well, copying sizeof(setup_header) into grub2 and then coyping back just >>> 1024 bytes is plain wrong. It is a miracle nothing broke up to now. >>> >> >> I'm not on SUSE and hit that too on an H11DSi-NT. >> See: https://marc.info/?l=linux-kernel&m=151579540320553&w=2 > > Where does your grub come from?
https://github.com/frugalware/frugalware-current/tree/master/source/base/grub2
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