* Broken boot on tip/master ( and now linux-next )
@ 2018-01-12 22:16 Gabriel C
2018-01-12 22:32 ` Borislav Petkov
0 siblings, 1 reply; 3+ messages in thread
From: Gabriel C @ 2018-01-12 22:16 UTC (permalink / raw)
To: Thomas Gleixner, Ingo Molnar; +Cc: linux-kernel, x86
Hey guys,
I have an Supermicro H11DSi-NT box with 2 x EPYC 7281 CPUs.
I've notice already a bit earlier something is wrong when booting tip/master
on that box but didn't got any time to investigate that.
Today I did an linux-next build which failed in the same way tip/master did
so I did an tip/master build too which failed to boot as well.
Some things I noticed:
With CONFIG_AMD_MEM_ENCRYPT=y and mem_encrypt=on the box hangs right after grub
with no way to see what is going on.
With mem_encrypt=off the box boots to an point but something trashes APCI tables.
With:
CONFIG_AMD_MEM_ENCRYPT=n
CONFIG_RETPOLINE=n
The box boots to an point but same , ACPI seems broken , eg this :
...
[ 0.000000] ACPI: \xc0\xde\xdb\xc2 0x00000000C2DC8DA0 000000 (v10 ?(<- 00000000 C2DB56A0)
[ 0.000000] ACPI: 0x000000002D3C2808 000000 (v00 00000000 00000000)
[ 0.000000] ACPI BIOS Error (bug): Invalid table length 0x0 in RSDT/XSDT (20170831/tbutils-325)
[ 0.000000] No NUMA configuration found
...
From here on hell break :)
I got a dmesg from the broken boot , this can be found there:
http://sigsegv.24-7.ro/~crazy/tip-master/dmesg-tip-master-broken-boot.txt
http://sigsegv.24-7.ro/~crazy/tip-master/config-4.15.0-rc7-00557-g16ccd38ce1c1
A good dmesg from linus tree + patches from this series https://marc.info/?l=linux-kernel&m=151561236821659&w=2
http://sigsegv.24-7.ro/~crazy/tip-master/dmesg-OK.txt
Does someone have any idea what could have broke that ?
Would be nice to have some hints before starting to bisect that.
Regards,
Gabriel C
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Broken boot on tip/master ( and now linux-next )
2018-01-12 22:16 Broken boot on tip/master ( and now linux-next ) Gabriel C
@ 2018-01-12 22:32 ` Borislav Petkov
2018-01-12 23:45 ` Gabriel C
0 siblings, 1 reply; 3+ messages in thread
From: Borislav Petkov @ 2018-01-12 22:32 UTC (permalink / raw)
To: Gabriel C; +Cc: Thomas Gleixner, Ingo Molnar, linux-kernel, x86
On Fri, Jan 12, 2018 at 11:16:34PM +0100, Gabriel C wrote:
> The box boots to an point but same , ACPI seems broken , eg this :
>
> ...
>
> [ 0.000000] ACPI: \xc0\xde\xdb\xc2 0x00000000C2DC8DA0 000000 (v10 ?(<- 00000000 C2DB56A0)
> [ 0.000000] ACPI: 0x000000002D3C2808 000000 (v00 00000000 00000000)
> [ 0.000000] ACPI BIOS Error (bug): Invalid table length 0x0 in RSDT/XSDT (20170831/tbutils-325)
> [ 0.000000] No NUMA configuration found
>
https://lkml.kernel.org/r/1515731128.10188.32.camel@suse.de
tip/master is fixed now.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Broken boot on tip/master ( and now linux-next )
2018-01-12 22:32 ` Borislav Petkov
@ 2018-01-12 23:45 ` Gabriel C
0 siblings, 0 replies; 3+ messages in thread
From: Gabriel C @ 2018-01-12 23:45 UTC (permalink / raw)
To: Borislav Petkov; +Cc: Thomas Gleixner, Ingo Molnar, linux-kernel, x86
On 12.01.2018 23:32, Borislav Petkov wrote:
> On Fri, Jan 12, 2018 at 11:16:34PM +0100, Gabriel C wrote:
>> The box boots to an point but same , ACPI seems broken , eg this :
>>
>> ...
>>
>> [ 0.000000] ACPI: \xc0\xde\xdb\xc2 0x00000000C2DC8DA0 000000 (v10 ?(<- 00000000 C2DB56A0)
>> [ 0.000000] ACPI: 0x000000002D3C2808 000000 (v00 00000000 00000000)
>> [ 0.000000] ACPI BIOS Error (bug): Invalid table length 0x0 in RSDT/XSDT (20170831/tbutils-325)
>> [ 0.000000] No NUMA configuration found
>>
>
> https://lkml.kernel.org/r/1515731128.10188.32.camel@suse.de
>
> tip/master is fixed now.
>
Thanks Borislav,
without these commits all is fine.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-01-12 22:16 Broken boot on tip/master ( and now linux-next ) Gabriel C
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2018-01-12 23:45 ` Gabriel C
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