** Description changed: [Impact] + Some platforms are reported to have a failure that can occur when the + EC SCI is asserted but the system doesn't wake up (such as no Notify() + after processing EC events). What happens is the APU rapidly enters + and exits s0i3 multiple times. On affected systems this triggers the + over voltage protection (OVP) mechanism of the voltage regulator module + (VRM). The system will be forced off, and to be reset the battery will + need to be disconnected and reconnected. [Fix] + AMD provides a quirk to list those affected machines. And will submit the patches to the upstream soon. [Test] + From the listed AMD machines, boot up and makes it enter suspended, and + then plug the dock. The system should work normally without hang. + DELL PRO 13 PLUS PB13255, DELL PRO 13 PLUS PB13255 360, + DELL PRO 14 PLUS PB14255, DELL PRO 16 PLUS PB16255, + DELL PRO 14 PC14255, DELL PRO 16 PC16255 [Where problems could occur] + The patches are quirks for dedicated machines, it won't introduce any regressions.
** Description changed: [Impact] Some platforms are reported to have a failure that can occur when the EC SCI is asserted but the system doesn't wake up (such as no Notify() after processing EC events). What happens is the APU rapidly enters and exits s0i3 multiple times. On affected systems this triggers the over voltage protection (OVP) mechanism of the voltage regulator module (VRM). The system will be forced off, and to be reset the battery will need to be disconnected and reconnected. [Fix] - AMD provides a quirk to list those affected machines. And will submit the patches to the upstream soon. + AMD provides a quirk to list those affected machines. + AMD will submit the patches to the upstream soon. [Test] From the listed AMD machines, boot up and makes it enter suspended, and then plug the dock. The system should work normally without hang. DELL PRO 13 PLUS PB13255, DELL PRO 13 PLUS PB13255 360, DELL PRO 14 PLUS PB14255, DELL PRO 16 PLUS PB16255, DELL PRO 14 PC14255, DELL PRO 16 PC16255 [Where problems could occur] The patches are quirks for dedicated machines, it won't introduce any regressions. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2106783 Title: System hang while connecting dock during s2idle on AMD system To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2106783/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
