(In reply to Lukas Kahnert from comment #114) > (In reply to Adynathos from comment #113) > > I am observing similar problems with HP Spectre x360 15-df0850nz. > > > > It does not boot without **acpi=noirq**. With *acpi=noirq*: > > > > * Touchpad does not work > > * Touchscreen or pen does not work > > * Does not wake up after suspending > > * Keyboard sometimes does not work, but will be fine again after reboot > > > > Here is the dmesg log from kernel 4.18.0: > > https://alexandria.adynathos.net/d/2528a04f758c409c85c4/ > > I also tried kernel 4.20 from > > https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/unstable but > > the problem persists. > > > > There are bugs filed on some of these topics, but they do not seem to cover > > the IRQ booting problem: > > > > * https://bugzilla.kernel.org/show_bug.cgi?id=201775 > > * https://bugzilla.kernel.org/show_bug.cgi?id=201885 > > > > I am new to ACPI errors, could you tell me how to proceed to best report or > > try to fix this? > > Thank you. > > acpi=noirq disables any hardware that makes use of irqs like the touchscreen. > If you have a dual boot you could be affected by this > https://bugzilla.kernel.org/show_bug.cgi?id=201817 which triggers a kernel > panic when you reboot from windows(without a complete poweroff in between).
Just as a side note, I am not dual booting and get the bug (201817) now and again. A couple of shutdowns are sometimes needed in order to fix it. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1752437 Title: [HP ENVY x360 - 15-bq102ng] Touchscreen does not work To manage notifications about this bug go to: https://bugs.launchpad.net/kernel/+bug/1752437/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
