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Groups > linux.debian.kernel > #61147

Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers.

Cross-posted to 2 groups.

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On 06/04/2018 03:51 AM, Riku Voipio wrote:
> On Fri, Jun 01, 2018 at 10:07:57AM -0700, Geoff Levand wrote:

>> o Change CONFIG_ACPI_NFIT=y to CONFIG_ACPI_NFIT=m.
>> o Enable CONFIG_SCHED_SMT for hyperthreading processors.
>> o Enable CONFIG_ARM64_LSE_ATOMICS for v8.1 processors.
>> o Enable a number of ACPI options likely to be available on servers.
>> o CONFIG_ACPI_APEI selects PSTORE, so remove the arm64 specific setting.
> 
> ACPI_APEI breaks HP m400, the xgene moonshot:
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1574718
>  
> The rest of options are generally fine. Wish more of these were modules tho.
> If we ok with telling M400 users to setting kernel command line of ghes.disable=1,
> we can enable APEI as well.

I think the hardware error logging/reporting features ACPI_APEI allows
is desired for servers.  The M400 problem is a problem with its firmware.
I don't think we should hold everyone else back because of one platform
with a known problem and relatively straight forward fix. M400 users would
in general need to work around the problem with kernels from other
sources/distros.  So, I think it OK to require M400 users to add a
command line fix.

>> -- System Information:
>> Debian Release: buster/sid
>>   APT prefers testing
>>   APT policy: (500, 'testing')
>> Architecture: arm64 (aarch64)
>>
>> Kernel: Linux 4.16.12 (SMP w/224 CPU cores)
> 
> Cheeky. I take that means Debian kernel works well on you plaform.

Seems to be working good with the kernel config updates.

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Thread

Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Geoff Levand <geoff@infradead.org> - 2018-06-01 19:10 +0200
  Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Riku Voipio <riku.voipio@iki.fi> - 2018-06-04 13:10 +0200
    Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Geoff Levand <geoff@infradead.org> - 2018-06-04 17:40 +0200
      Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Ben Hutchings <ben@decadent.org.uk> - 2018-06-05 03:20 +0200
        Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Ian Campbell <ijc@debian.org> - 2018-06-05 09:40 +0200
          Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Geoff Levand <geoff@infradead.org> - 2018-06-08 21:40 +0200
            Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Ian Campbell <ijc@debian.org> - 2018-06-09 14:20 +0200
              Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Geoff Levand <geoff@infradead.org> - 2018-06-13 21:30 +0200
                Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Ian Campbell <ijc@debian.org> - 2018-06-14 11:10 +0200
                Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Riku Voipio <riku.voipio@iki.fi> - 2018-08-06 16:40 +0200
                Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Geoff Levand <geoff@infradead.org> - 2018-08-07 00:10 +0200
  Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Geoff Levand <geoff@infradead.org> - 2018-09-01 01:00 +0200
    Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Ian Campbell <ijc@debian.org> - 2018-09-02 10:00 +0200
  Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Geoff Levand <geoff@infradead.org> - 2018-09-01 02:00 +0200
    Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Ben Hutchings <ben@decadent.org.uk> - 2018-09-04 19:30 +0200
      Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Geoff Levand <geoff@infradead.org> - 2018-09-04 20:50 +0200
        Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Riku Voipio <riku.voipio@iki.fi> - 2018-09-05 08:50 +0200
        Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Ben Hutchings <ben@decadent.org.uk> - 2018-09-06 22:30 +0200
  Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Geoff Levand <geoff@infradead.org> - 2018-09-20 22:00 +0200
    Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Geoff Levand <geoff@infradead.org> - 2018-09-21 17:40 +0200
      Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Ben Hutchings <ben@decadent.org.uk> - 2018-09-22 01:30 +0200
        Bug#900581: linux: Enable Buster kernel features for newer ARM64 servers. Geoff Levand <geoff@infradead.org> - 2018-09-24 19:20 +0200

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