** Description changed: [Impact] Some systems boot failed at a very early stage, only blackscreen shown. [Fix] 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. execute all acpi tables to make system work properly. [Test] Tested on several laptops, the laptop that failed to boot boots well. Other laptops still works fine. [Regression Potential] Upstream fix. Low risk. Backported changes is one line of debug ouput sentence in nsparse.c: s/Start table execution pass/Start load pass/ Verified on several laptops. Fix boot failure and no regression found. + + This patch is from 4.17-rc1, so only Bionic/OEM 4.15 kernels need it.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1819921 Title: [SRU] [B/OEM] Fix ACPI bug that causes boot failure Status in HWE Next: New Status in linux package in Ubuntu: Incomplete Bug description: [Impact] Some systems boot failed at a very early stage, only blackscreen shown. [Fix] 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. execute all acpi tables to make system work properly. [Test] Tested on several laptops, the laptop that failed to boot boots well. Other laptops still works fine. [Regression Potential] Upstream fix. Low risk. Backported changes is one line of debug ouput sentence in nsparse.c: s/Start table execution pass/Start load pass/ Verified on several laptops. Fix boot failure and no regression found. This patch is from 4.17-rc1, so only Bionic/OEM 4.15 kernels need it. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1819921/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
