https://bugzilla.kernel.org/show_bug.cgi?id=207387
Bug ID: 207387
Summary: RIP: 0010:acpi_ec_add.cold+0xce/0xf1 on a ThinkPad P52
with 1.33 firmware
Product: ACPI
Version: 2.5
Kernel Version: 5.6.6
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: EC
Assignee: acpi...@kernel-bugs.osdl.org
Reporter: nvaert1...@hotmail.com
Regression: No
I'm receiving a RIP message in my kernel log after upgrading from kernel 5.4.33
to 5.6.6. All previous 5.4.x kernels seem to work fine so far. It really seems
to be related to the new 5.6.x kernel, so it seems to be a regression. The
kernel boots fine and everything seems to work, but it shows the following
message in dmesg and during boot.
If you need more details, then please let me know.
It's a Lenovo ThinkPad P52 with the 1.33 firmware and the kernel was compiled
with gcc-9.3.0.
[ 0.434266] ACPI: EC: interrupt unblocked
[ 0.434285] ACPI: EC: event unblocked
[ 0.434300] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62
[ 0.434301] ACPI: EC: GPE=0x16
[ 0.434303] ACPI: \_SB_.PCI0.LPCB.EC__: Boot ECDT EC initialization complete
[ 0.434304] ACPI: \_SB_.PCI0.LPCB.EC__: EC: Used to handle transactions and
events
[ 0.434376] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62
[ 0.434376] ACPI: EC: GPE=0x16
[ 0.434378] ACPI: \_SB_.PCI0.LPCB.EC__: Boot ECDT EC initialization complete
[ 0.434379] ACPI: \_SB_.PCI0.LPCB.EC__: EC: Used to handle transactions and
events
[ 0.434379] ------------[ cut here ]------------
[ 0.434380] Could not request EC data io port 0x62
[ 0.434389] WARNING: CPU: 1 PID: 1 at acpi_ec_add.cold+0xce/0xf1
[ 0.434390] Modules linked in:
[ 0.434392] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G U
5.6.5-gentoo #2
[ 0.434393] Hardware name: LENOVO 20M9001FMH/20M9001FMH, BIOS N2CET50W (1.33
) 01/15/2020
[ 0.434395] RIP: 0010:acpi_ec_add.cold+0xce/0xf1
[ 0.434396] Code: c0 74 2b 45 84 ed 0f 84 46 fd ff ff 48 8b 7d 00 e8 a8 a0
ff ff e9 38 fd ff ff 48 8b 75 18 48 c7 c7 a8 96 ae 9b e8 21 e4 b4 ff <0f> 0b eb
b1 48 8b 75 10 48 c7 c7 d0 96 ae 9b e8 0d e4 b4 ff 0f 0b
[ 0.434397] RSP: 0000:ffffbcbe0008fd10 EFLAGS: 00010282
[ 0.434399] RAX: 0000000000000000 RBX: ffffa26339f32800 RCX:
0000000000000000
[ 0.434399] RDX: 0000000000000026 RSI: ffffffff9c202ba6 RDI:
ffffffff9c202fa6
[ 0.434400] RBP: ffffa2633a068f00 R08: 0000000019e41e53 R09:
0000000000000026
[ 0.434401] R10: 000000000000000f R11: ffffffff9c202ba6 R12:
0000000000000000
[ 0.434402] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000000
[ 0.434403] FS: 0000000000000000(0000) GS:ffffa2633e240000(0000)
knlGS:0000000000000000
[ 0.434404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.434405] CR2: 0000000000000000 CR3: 000000079340a001 CR4:
00000000003606e0
[ 0.434405] Call Trace:
[ 0.434409] acpi_device_probe+0x40/0x100
[ 0.434412] really_probe+0xe8/0x290
[ 0.434414] driver_probe_device+0x4b/0xc0
[ 0.434416] ? driver_allows_async_probing+0x40/0x40
[ 0.434417] bus_for_each_drv+0x79/0xc0
[ 0.434419] __device_attach+0xda/0x140
[ 0.434421] ? acpi_sleep_init+0xc4/0xc4
[ 0.434424] acpi_bus_register_early_device+0x45/0x60
[ 0.434425] acpi_ec_init+0x14c/0x178
[ 0.434427] acpi_init+0x2b0/0x308
[ 0.434430] do_one_initcall+0x47/0x180
[ 0.434433] kernel_init_freeable+0x140/0x1a2
[ 0.434436] ? rest_init+0x95/0x95
[ 0.434438] kernel_init+0x5/0xeb
[ 0.434439] ret_from_fork+0x35/0x40
[ 0.434442] ---[ end trace 3bf88f48c1a2ffde ]---
[ 0.434443] ------------[ cut here ]------------
[ 0.434443] Could not request EC cmd io port 0x66
[ 0.434448] WARNING: CPU: 1 PID: 1 at acpi_ec_add.cold+0xe2/0xf1
[ 0.434449] Modules linked in:
[ 0.434450] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G U W
5.6.5-gentoo #2
[ 0.434451] Hardware name: LENOVO 20M9001FMH/20M9001FMH, BIOS N2CET50W (1.33
) 01/15/2020
[ 0.434452] RIP: 0010:acpi_ec_add.cold+0xe2/0xf1
[ 0.434454] Code: ff e9 38 fd ff ff 48 8b 75 18 48 c7 c7 a8 96 ae 9b e8 21
e4 b4 ff 0f 0b eb b1 48 8b 75 10 48 c7 c7 d0 96 ae 9b e8 0d e4 b4 ff <0f> 0b eb
c1 cc cc cc cc cc cc cc cc cc cc cc 55 48 89 f5 be c0 0d
[ 0.434455] RSP: 0000:ffffbcbe0008fd10 EFLAGS: 00010282
[ 0.434456] RAX: 0000000000000000 RBX: ffffa26339f32800 RCX:
0000000000000000
[ 0.434456] RDX: 0000000000000025 RSI: ffffffff9c202ba5 RDI:
ffffffff9c202fa5
[ 0.434457] RBP: ffffa2633a068f00 R08: 0000000019e515ee R09:
0000000000000025
[ 0.434458] R10: 000000000000000f R11: ffffffff9c202ba5 R12:
0000000000000000
[ 0.434459] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000000
[ 0.434460] FS: 0000000000000000(0000) GS:ffffa2633e240000(0000)
knlGS:0000000000000000
[ 0.434460] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.434461] CR2: 0000000000000000 CR3: 000000079340a001 CR4:
00000000003606e0
[ 0.434462] Call Trace:
[ 0.434463] acpi_device_probe+0x40/0x100
[ 0.434465] really_probe+0xe8/0x290
[ 0.434466] driver_probe_device+0x4b/0xc0
[ 0.434468] ? driver_allows_async_probing+0x40/0x40
[ 0.434469] bus_for_each_drv+0x79/0xc0
[ 0.434471] __device_attach+0xda/0x140
[ 0.434472] ? acpi_sleep_init+0xc4/0xc4
[ 0.434474] acpi_bus_register_early_device+0x45/0x60
[ 0.434476] acpi_ec_init+0x14c/0x178
[ 0.434477] acpi_init+0x2b0/0x308
[ 0.434479] do_one_initcall+0x47/0x180
[ 0.434481] kernel_init_freeable+0x140/0x1a2
[ 0.434483] ? rest_init+0x95/0x95
[ 0.434485] kernel_init+0x5/0xeb
[ 0.434486] ret_from_fork+0x35/0x40
[ 0.434487] ---[ end trace 3bf88f48c1a2ffdf ]---
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