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On 2018-06-16T04:43:34+00:00 bakarichard91 wrote:

Created attachment 276583
dmesg after starting kernel with pci=noacpi

This is a brand new notebook on the market with Ryzen 5/Radeon. With
disabled ACPI kernel boots without any problem but my notebook produces
more heat than on Win10. Otherwise this happens when it is stayed on the
bios screen in a while.

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/13

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On 2018-06-16T04:51:39+00:00 bakarichard91 wrote:

CPU: AMD Ryzen 5 2500U
GPU1: AMD Radeon Vega 8
GPU2: AMD Radeon 535

(I wrote to Acer to fix their bios problems but they said Linux is not
supported. I don't think they are right but what can I do?)

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/14

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On 2018-06-16T04:53:11+00:00 erik.schmauss wrote:

Created attachment 276585
attachment-31427-0.html

Out of office 6/18-6/27

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/15

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On 2018-06-16T04:54:10+00:00 bakarichard91 wrote:

Created attachment 276587
Soft lockup failure without noacpi

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/16

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On 2018-06-16T05:07:17+00:00 bakarichard91 wrote:

Nothing changes with disabled iommu.

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/17

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On 2018-06-16T05:49:32+00:00 bakarichard91 wrote:

Created attachment 276589
dmesg after amd_iommu_dump=1

[    0.000000] AMD-Vi: Using IVHD type 0x11
[    0.000000] AMD-Vi: device: 00:00.2 cap: 0040 seg: 0 flags: b0 info 0000
[    0.000000] AMD-Vi:        mmio-addr: 00000000fd900000
[    0.000000] AMD-Vi:   DEV_SELECT_RANGE_START  devid: 00:01.0 flags: 00
[    0.000000] AMD-Vi:   DEV_RANGE_END           devid: ff:1f.6
[    0.000000] AMD-Vi:   DEV_ALIAS_RANGE                 devid: ff:00.0 flags: 
00 devid_to: 00:14.4
[    0.000000] AMD-Vi:   DEV_RANGE_END           devid: ff:1f.7
[    0.000000] AMD-Vi:   DEV_SPECIAL(HPET[0])           devid: 00:14.0
[    0.000000] AMD-Vi:   DEV_SPECIAL(IOAPIC[33])                devid: 00:14.0
[    0.000000] AMD-Vi:   DEV_SPECIAL(IOAPIC[34])                devid: 00:00.1
[    0.000000] [Firmware Bug]: AMD-Vi: No southbridge IOAPIC found

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/19

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On 2018-06-16T07:34:30+00:00 bakarichard91 wrote:

Created attachment 276591
Error message before freezing (without quite splash)

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/20

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On 2018-06-29T23:43:58+00:00 erik.schmauss wrote:

Please try booting with linux 4.18-rc1 or later. Also, please try
4.18-rc1+ with/without ACPI

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/21

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On 2018-06-30T02:22:38+00:00 bakarichard91 wrote:

Hi Erik,

Absolutely the same thing on 4.18rc1 and on rc2 too.

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/22

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On 2018-06-30T03:20:02+00:00 bakarichard91 wrote:

Fedora loads without any additional parameters(mysterious).

[    0.000000] Switched APIC routing to physical flat.
[    0.002000] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[    0.007000] tsc: Fast TSC calibration using PIT
[    0.008000] tsc: Detected 1996.299 MHz processor
[    0.008000] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 
0x398d0c7513b, max_idle_ns: 881590744042 ns
[    0.008000] Calibrating delay loop (skipped), value calculated using timer 
frequency.. 3992.59 BogoMIPS (lpj=1996299)

Heat production may be still present but I can't measure it because
there is no temperature values in "sensors" (there is 5 values in
Win10).

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/23

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On 2018-06-30T03:21:12+00:00 bakarichard91 wrote:

Created attachment 277069
Fedora loads without noacpi

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/24

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On 2018-06-30T03:26:06+00:00 bakarichard91 wrote:

*there are no values

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/25

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On 2018-07-09T17:49:45+00:00 bakarichard91 wrote:

Erik, I think this is in connection with clocksource calibration but I'm
not an expert.


This works:
[    0.007000] tsc: Fast TSC calibration using PIT
[    0.008000] tsc: Detected 1996.299 MHz processor
[    0.008000] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 
0x398d0c7513b, max_idle_ns: 881590744042 ns

This doesn't: 
[...] tsc: Refined tsc clocksource calibration: ...
[...] clocksource: tsc: mask: 0xfff...f (...)

Reply at: https://bugs.launchpad.net/amd/+bug/1776563/comments/27


** Changed in: linux
       Status: Unknown => Incomplete

** Changed in: linux
   Importance: Unknown => Medium

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https://bugs.launchpad.net/bugs/1776563

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

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