Am 03.03.2018 um 11:02 schrieb Ingo Molnar:
>
> * Heiner Kallweit <hkallwe...@gmail.com> wrote:
>
>> Am 03.03.2018 um 00:50 schrieb Dexuan-Linux Cui:
>>> On Fri, Mar 2, 2018 at 12:57 PM, Heiner Kallweit <hkallwe...@gmail.com
>>> <mailto:hkallwe...@gmail.com>> wrote:
>>>
>>> Recently my Mini PC Zotac CI-321 started to reboot immediately before
>>> anything was written to the console.
>>>
>>> Bisecting lead to b91993a87aff "x86/boot/compressed/64: Prepare
>>> trampoline memory" being the change breaking boot.
>>>
>>> If you need any more information, please let me know.
>>>
>>> Rgds, Heiner
>>>
>>>
>>> This may fix the issue: https://lkml.org/lkml/2018/2/13/668
>>>
>>> Kirill posted a v2 patchset 3 days ago and I suppose the patchset should
>>> include the fix.
>>>
>> Thanks for the link. I bisected based on the latest next kernel including
>> v2 of the patchset (IOW - the potential fix is included already).
>
> Are you sure? b91993a87aff is the old patch-set - which I just removed from
> -next
> and which should thus be gone in the Monday iteration of -next.
>
> I have not merged v2 in -tip yet, did it get applied via some other tree?
>
> Thanks,
>
> Ingo
>
I wanted to apply the fix mentioned in the link but found that the statement
was movq already.
Therefore my (most likely false) understanding that it's v2.
I'll re-test once v2 is out and let you know.
Rgds, Heiner
diff --git a/arch/x86/boot/compressed/head_64.S
b/arch/x86/boot/compressed/head_64.S
index 70b30f2bc9e0..99a0e7993252 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -332,7 +332,7 @@ ENTRY(startup_64)
/* Make sure we have GDT with 32-bit code segment */
leaq gdt(%rip), %rax
- movl %eax, gdt64+2(%rip)
+ movq %rax, gdt64+2(%rip)
lgdt gdt64(%rip)
/*
--
Kirill A. Shutemov
