Message-ID: <fdd9ce1d-146a-5fbf-75c5-3a9384603312@gmx.de>
Date:   Fri, 17 Apr 2020 17:10:54 +0200
From:   Toralf Förster <toralf.foerster@....de>
To:     Linux Kernel <linux-kernel@...r.kernel.org>
Subject: regression 5.6.4->5.6.5 at drivers/acpi/ec.c

At a T440s under hardened Gentoo Linux I' faced with this new spew (system seems to be working fine otherwise):


pci 0000:02:00.0: reg 0x10: [mem 0xe0500000-0xe0500fff]
pci 0000:02:00.0: supports D1 D2
pci 0000:02:00.0: PME# supported from D1 D2 D3hot D3cold
pci 0000:00:1c.0: PCI bridge to [bus 02]
pci 0000:00:1c.0:   bridge window [mem 0xe0500000-0xe05fffff]
pci 0000:03:00.0: [8086:08b2] type 00 class 0x028000
pci 0000:03:00.0: reg 0x10: [mem 0xe0400000-0xe0401fff 64bit]
pci 0000:03:00.0: PME# supported from D0 D3hot D3cold
pci 0000:00:1c.1: PCI bridge to [bus 03]
pci 0000:00:1c.1:   bridge window [mem 0xe0400000-0xe04fffff]
ACPI: EC: interrupt unblocked
ACPI: EC: event unblocked
ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62
ACPI: EC: GPE=0x25
ACPI: \_SB_.PCI0.LPC_.EC__: Boot ECDT EC initialization complete
ACPI: \_SB_.PCI0.LPC_.EC__: EC: Used to handle transactions and events
ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62
ACPI: EC: GPE=0x25
ACPI: \_SB_.PCI0.LPC_.EC__: Boot ECDT EC initialization complete
ACPI: \_SB_.PCI0.LPC_.EC__: EC: Used to handle transactions and events
------------[ cut here ]------------
Could not request EC data io port 0x62
WARNING: CPU: 0 PID: 1 at drivers/acpi/ec.c:1677 acpi_ec_add+0x26e/0x280
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Tainted: G                T 5.6.5 #5
Hardware name: LENOVO 20AQCTO1WW/20AQCTO1WW, BIOS GJET92WW (2.42 ) 03/03/2017
RIP: 0010:acpi_ec_add+0x26e/0x280
Code: fe ff ff 48 8b 75 10 48 c7 c7 d0 27 9b 8d e8 81 c7 b6 ff 0f 0b e9 c9 fe ff ff 48 8b 75 18 48 c7 c7 a8 27 9b 8d e8 6a c7 b6 ff <0f> 0b e9 8a fe ff ff 41 bc f4 ff ff ff e9 ac fe ff ff 48 83 3d f8
RSP: 0000:ffffb45b40053c80 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffa2827012b800 RCX: 0000000000000000
RDX: 0000000000000026 RSI: ffffffff8e26f666 RDI: ffffffff8e26fa66
RBP: ffffa282709b4b00 R08: 0000000089294f76 R09: 0000000000000026
R10: 000000000000000f R11: ffffb45b40053aa8 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000030
FS:  0000000000000000(0000) GS:ffffa28272600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffa2827e5ff000 CR3: 000000008e80a001 CR4: 00000000001606f0
Call Trace:
 acpi_device_probe+0x40/0x100
 really_probe+0xe8/0x2d0
 driver_probe_device+0x57/0xd0
 ? driver_allows_async_probing+0x50/0x50
 bus_for_each_drv+0x90/0xe0
 __device_attach+0xea/0x160
 acpi_bus_register_early_device+0x4b/0x70
 acpi_ec_init+0x2ee/0x361
 acpi_init+0x410/0x4a0
 ? acpi_sleep_proc_init+0x4c/0x4c
 do_one_initcall+0x93/0x1f0
 kernel_init_freeable+0x3e7/0x4cc
 ? rest_init+0xc0/0xc0
 kernel_init+0x6/0x110
 ? rest_init+0xc0/0xc0
 ret_from_fork+0x35/0x40
---[ end trace cd90af9f64ca9345 ]---
------------[ cut here ]------------
Could not request EC cmd io port 0x66
WARNING: CPU: 0 PID: 1 at drivers/acpi/ec.c:1679 acpi_ec_add+0x257/0x280
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Tainted: G        W       T 5.6.5 #5
Hardware name: LENOVO 20AQCTO1WW/20AQCTO1WW, BIOS GJET92WW (2.42 ) 03/03/2017
RIP: 0010:acpi_ec_add+0x257/0x280
Code: 8b 55 00 48 89 ef 48 89 10 e8 65 e0 ff ff 48 8b 2d 4e d7 3b 01 e9 4a fe ff ff 48 8b 75 10 48 c7 c7 d0 27 9b 8d e8 81 c7 b6 ff <0f> 0b e9 c9 fe ff ff 48 8b 75 18 48 c7 c7 a8 27 9b 8d e8 6a c7 b6
RAX: 0000000000000000 RBX: ffffa2827012b800 RCX: 0000000000000000
RDX: 0000000000000025 RSI: ffffffff8e26f665 RDI: ffffffff8e26fa65
RBP: ffffa282709b4b00 R08: 000000008935c8e8 R09: 0000000000000025
R10: 000000000000000f R11: ffffb45b40053aa8 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000030
FS:  0000000000000000(0000) GS:ffffa28272600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffa2827e5ff000 CR3: 000000008e80a001 CR4: 00000000001606f0
Call Trace:
 acpi_device_probe+0x40/0x100
 really_probe+0xe8/0x2d0
 driver_probe_device+0x57/0xd0
 ? driver_allows_async_probing+0x50/0x50
 bus_for_each_drv+0x90/0xe0
 __device_attach+0xea/0x160
 acpi_bus_register_early_device+0x4b/0x70
 acpi_ec_init+0x2ee/0x361
 acpi_init+0x410/0x4a0
 ? acpi_sleep_proc_init+0x4c/0x4c
 do_one_initcall+0x93/0x1f0
 kernel_init_freeable+0x3e7/0x4cc
 ? rest_init+0xc0/0xc0
 kernel_init+0x6/0x110
 ? rest_init+0xc0/0xc0
 ret_from_fork+0x35/0x40
---[ end trace cd90af9f64ca9346 ]---
iommu: Default domain type: Translated
pci 0000:00:02.0: vgaarb: setting as boot VGA device
pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
pci 0000:00:02.0: vgaarb: bridge control possible
vgaarb: loaded
SCSI subsystem initialized
libata version 3.00 loaded.
ACPI: bus type USB registered
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@...ux.it>
EDAC MC: Ver: 3.0.0
PCI: Using ACPI for IRQ routing
PCI: pci_cache_line_size set to 64 bytes
e820: reserve RAM buffer [mem 0x0009d000-0x0009ffff]
e820: reserve RAM buffer [mem 0xaf70b000-0xafffffff]
e820: reserve RAM buffer [mem 0x33e600000-0x33fffffff]
hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
hpet0: 8 comparators, 64-bit 14.318180 MHz counter
clocksource: Switched to clocksource tsc-early
*** VALIDATE ramfs ***
*** VALIDATE hugetlbfs ***
pnp: PnP ACPI init
system 00:00: [mem 0x00000000-0x0009ffff] could not be reserved
system 00:00: [mem 0x000c0000-0x000c3fff] could not be reserved
system 00:00: [mem 0x000c4000-0x000c7fff] could not be reserved
system 00:00: [mem 0x000c8000-0x000cbfff] could not be reserved
system 00:00: [mem 0x000cc000-0x000cffff] could not be reserved
system 00:00: [mem 0x000d0000-0x000d3fff] has been reserved
system 00:00: [mem 0x000d4000-0x000d7fff] has been reserved
system 00:00: [mem 0x000d8000-0x000dbfff] has been reserved
system 00:00: [mem 0x000dc000-0x000dffff] has been reserved
system 00:00: [mem 0x000e0000-0x000e3fff] could not be reserved
system 00:00: [mem 0x000e4000-0x000e7fff] could not be reserved
system 00:00: [mem 0x000e8000-0x000ebfff] could not be reserved
system 00:00: [mem 0x000ec000-0x000effff] could not be reserved
system 00:00: [mem 0x000f0000-0x000fffff] could not be reserved
system 00:00: [mem 0x00100000-0xbf9fffff] could not be reserved
system 00:00: [mem 0xfec00000-0xfed3ffff] could not be reserved
system 00:00: [mem 0xfed4c000-0xffffffff] could not be reserved
system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active)
pnp 00:01: [Firmware Bug]: PNP resource [mem 0xfed10000-0xfed13fff] covers only part of 0000:00:00.0 Intel MCH; extending to [mem 0xfed10000-0xfed17fff]
system 00:01: [io  0x1800-0x189f] has been reserved
system 00:01: [io  0x0800-0x087f] has been reserved
system 00:01: [io  0x0880-0x08ff] has been reserved
system 00:01: [io  0x0900-0x097f] has been reserved
system 00:01: [io  0x0980-0x09ff] has been reserved
system 00:01: [io  0x0a00-0x0a7f] has been reserved
system 00:01: [io  0x0a80-0x0aff] has been reserved
system 00:01: [io  0x0b00-0x0b7f] has been reserved
system 00:01: [io  0x0b80-0x0bff] has been reserved
system 00:01: [io  0x15e0-0x15ef] has been reserved
system 00:01: [io  0x1600-0x167f] has been reserved
system 00:01: [io  0x1640-0x165f] has been reserved
system 00:01: [mem 0xf8000000-0xfbffffff] has been reserved

--
Toralf

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