Hi, Andy I just helped to file a bug on kernel Bugzilla for this. https://bugzilla.kernel.org/show_bug.cgi?id=109511 We can track things there to have more ACPI developers involved. Thanks and best regards -Lv > From: Andy Lutomirski [mailto:luto@xxxxxxxxxxxxxx] > Sent: Wednesday, December 16, 2015 1:58 PM > > On Tue, Dec 15, 2015 at 6:59 PM, Zheng, Lv <lv.zheng@xxxxxxxxx> wrote: > > Hi, Andy > > > > I can only find FNCL in the provided ASL source. > > This is not sufficient. > > Could you provide full acpidump/dmesg for us to check? > > Here you go. > > --Andy > > > > > Thanks and best regards > > -Lv > > > >> From: linux-acpi-owner@xxxxxxxxxxxxxxx [mailto:linux-acpi- > >> owner@xxxxxxxxxxxxxxx] On Behalf Of Andy Lutomirski > >> > >> I'm getting this error on boot on my XPS 13 9350 with the latest > >> (1.1.7) firmware. > >> > >> [ +0.004585] ACPI Error: [\_SB_.PCI0.LPCB.H_EC.ECAV] Namespace lookup > >> failure, AE_NOT_FOUND (20150930/psargs-359) > >> > >> [ +0.000009] > >> Initialized Local Variables for method [FNCL]: > >> [ +0.000001] Local0: ffff880074e18318 <Obj> Integer > >> 0000000000000001 > >> [ +0.000004] Local1: ffff880074e185e8 <Obj> Integer > >> 0000000000000000 > >> [ +0.000003] Local2: ffff880074e18480 <Obj> Integer > >> 0000000000000000 > >> [ +0.000003] Local3: ffff880074e18438 <Obj> Integer > >> 0000000000000000 > >> [ +0.000002] Local4: ffff880074e18510 <Obj> Integer > >> 0000000000000000 > >> [ +0.000003] Local5: ffff880074e18630 <Obj> Integer > >> 0000000000000000 > >> [ +0.000003] Local6: ffff880074e183f0 <Obj> Integer > >> 0000000000000000 > >> > >> [ +0.000004] No Arguments are initialized for method [FNCL] > >> > >> [ +0.000002] ACPI Error: Method parse/execution failed [\_TZ.FNCL] > >> (Node ffff88027811f4d8), AE_NOT_FOUND (20150930/psparse-542) > >> [ +0.000006] ACPI Error: Method parse/execution failed > >> [\_TZ.FN00._ON] (Node ffff8802780eeed8), AE_NOT_FOUND > >> (20150930/psparse-542) > >> > >> I'm I'm understanding the message correctly, this means that ECAV > >> can't be found, but ECAV appears to be declared. > >> > >> This stuff is in SSDT4, attached. > >> > >> Am I reading it correctly? This is Linux 4.4-rc3. > >> > >> --Andy > > > > -- > Andy Lutomirski > AMA Capital Management, LLC ��.n��������+%������w��{.n�����{�����ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f
