Issue #3107 has been updated by calicant.
oyvinht wrote: > This is on a Lenovo T460 (firmware r06uj56d) > > root# uname -a > DragonFly slaptop 5.1-DEVELOPMENT DragonFly v5.1.0.381.ge8ac90-DEVELOPMENT > #10: Mon Dec 4 07:52:28 CET 2017 > root@slaptop:/usr/obj/usr/src/sys/SLAPTOP x86_64 > > After doing: > > root# kldload i915 > > the systems gets very slow, and looking at vmstat I see interrupts from acpi0 > increasing by 2000-5000 every second (using kern.livelock_lowater=1000 and > kern.livelock_limit=2000 makes the system usable again) [...] The same thing here: Lenovo T460p (i7-6700HQ), bios version r07et83w (2.23; ok, last version is 2.24) Tested on 5.3-DEVELOPMENT (yesterday snapshot) Temperature jumps instantly from 40 to 65 degrees. Luca ---------------------------------------- Bug #3107: ACPI interrupt storm when loading i915 on Lenovo T460 http://bugs.dragonflybsd.org/issues/3107#change-13467 * Author: oyvinht * Status: New * Priority: Normal * Assignee: * Category: ACPI * Target version: 5.0.0 ---------------------------------------- This is on a Lenovo T460 (firmware r06uj56d) root# uname -a DragonFly slaptop 5.1-DEVELOPMENT DragonFly v5.1.0.381.ge8ac90-DEVELOPMENT #10: Mon Dec 4 07:52:28 CET 2017 root@slaptop:/usr/obj/usr/src/sys/SLAPTOP x86_64 After doing: root# kldload i915 the systems gets very slow, and looking at vmstat I see interrupts from acpi0 increasing by 2000-5000 every second (using kern.livelock_lowater=1000 and kern.livelock_limit=2000 makes the system usable again): root# vmstat -i interrupt total rate acpi0 1681307 1925 FWIW I have tested enabling DDB and INVARIANTS in the kernel, and built /sys/dev/acpica with ACPI_DEBUG=1, which fills the kernel message buffer with messages like: evgpe-0634 EvGpeDetect : Read registers for GPE 60-67: Status=40, Enable=46, RunEnable=46, WakeEnable=00 evgpe-0607 EvGpeDetect : Ignore disabled registers for GPE 68-6F: RunEnable=00, WakeEnable=00 evgpe-0607 EvGpeDetect : Ignore disabled registers for GPE 70-77: RunEnable=00, WakeEnable=00 evgpe-0607 EvGpeDetect : Ignore disabled registers for GPE 78-7F: RunEnable=00, WakeEnable=00 evevent-0361 EvFixedEventDetect : Fixed Event Block: Enable 00000120 Status 00000001 evgpe-0607 EvGpeDetect : Ignore disabled registers for GPE 00-07: RunEnable=00, WakeEnable=00 evgpe-0607 EvGpeDetect : Ignore disabled registers for GPE 08-0F: RunEnable=00, WakeEnable=00 -- You have received this notification because you have either subscribed to it, or are involved in it. To change your notification preferences, please click here: http://bugs.dragonflybsd.org/my/account
