UN-APPLIED[Bionic/master-next]: [PATCH 0/1] [SRU][B/B-OEM] UBUNTU: SAUCE: Fix ACPI bug that causes boot failure
stefan.bader at canonical.com
Mon Apr 1 12:53:10 UTC 2019
On 28.03.19 07:09, Khaled Elmously wrote:
> Applied to both repos, fixed bug nominations
> On 2019-03-22 16:34:25 , Aaron Ma wrote:
>> BugLink: https://bugs.launchpad.net/bugs/1819921
>> Some lenovo laptops failed to boot at a very early stage, only blackscreen shown.
>> Some system BIOS set definition in if statement, it would be deferred to
>> be loaded.
>> Some devices would not work properly and cause a system lockup.
>> add a quirk for these laptops to execute all acpi tables and
>> make system work properly.
>> Tested on several laptops, the laptop that failed to boot boots well.
>> Other laptops still works fine.
>> [Regression Potential]
>> SAUCE patch. Low, specific changes depends on hardware.
Un-applied and rejected for now from Bionic because it breaks the arm64 build:
>> Upstream fix:
>> commit 5a8361f7ecceaed64b4064000d16cb703462be49
>> Author: Schmauss, Erik <erik.schmauss at intel.com>
>> Date: Thu Feb 15 13:09:30 2018 -0800
>> ACPICA: Integrate package handling with module-level code
>> Due to the lots of changes in this commit and other regressions concern
>> So made a sauce patch in Bionic kernel with the specific BIOS series.
>> Verified on several laptops. Fix boot failure and no regression found.
>> The upstream fix is in 4.17-rc1, so only Bionic/OEM 4.15 kernels need it.
>> Aaron Ma (1):
>> UBUNTU: SAUCE: ACPI / bus: Add some Lenovo laptops in list of acpi
>> table term list
>> drivers/acpi/bus.c | 30 ++++++++++++++++++++++++++++++
>> 1 file changed, 30 insertions(+)
>> kernel-team mailing list
>> kernel-team at lists.ubuntu.com
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