Hi Adam,

Thanks for your answer. We are waiting the patches.

Best Regards
Richard

Yang, Adam <*>
2019. 04. 05., P, 17:04
Hi all,
We're still currently verifying the patches (not one patch but a lot) so please 
be patient and be careful about your upgrades from old working kernel (which we 
are so sorry for the inconvenience). I'll comment and change status about 
related issues if the patches are merged and *released* as upgrades. Thanks for 
your patience.

--
Software Engineer, MLSE
AMD, Advanced Micro Devices
Phone: *
Adam Yang
From: [email protected] <[email protected]> on behalf of Richard Baka 
<*>
Sent: Saturday, April 6, 2019 12:52:52 AM
To: Yang, Adam
Subject: Acer notebook firmware issue
 
Dear Adam,

Regarding this bug: https://bugs.launchpad.net/bugs/1776563 I would like
to ask you where/how will the released fix be appeared. Is there any
kernel commit or we should wait for the manufacturer's reaction?

Thanks,

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1776563

Title:
  Acer Aspire A315 IOAPIC failure on Ubuntu 18.04, kernel hangs, can't
  load, kernel freeze  (AMD Ryzen 5/Radeon/Raven) / AMDGPU Hybrid crash

Status in amd:
  Fix Released
Status in Linux:
  Incomplete
Status in linux package in Ubuntu:
  Triaged

Bug description:
  CPU: Ryzen 5 2500U
  VGA: Radeon 535
  Notebook: Acer Aspire A315

  This is a brand new notebook on the market with Ryzen 5/Radeon. 
  The default kernel of Ubuntu(18.04) hangs at loading with message:

  tsc: Refined TSC clocksource calibration: 1996.250 MHz
  clocksource: tsc: mask: 0xffffffffffffffff max_cycles: (...), max_idle_ns: 
(...) 
  Soft lockup

  Using pci=noacpi kernel parameter kernel loads without any problem but
  my notebook produces more heat than on Win10. If I know right Acer
  notebooks need ACPI to the correct power management.

  The same thing happens on mainline 4.17,4.18rc1-2.
  BIOS upgrade to the latest version: 1.08 hasn't helped

  This problem has been reported upstream:
  https://bugzilla.kernel.org/show_bug.cgi?id=200087

  The latest correctly working kernel was 4.13.* but the heat problem
  was present with this too.

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