On 2025-07-29 01:13, Armin Wolf wrote:
>
> Oh no, that sounds horrible 🙁
>
> Can you share the output of "acpidump" once the system is running the latest firmware? If a BIOS update
> does not solve the issue then we could give the ID string check a more leeway so that only empty strings
> are considered invalid.
>
The firmware update did not, in fact, change anything. Here's the entire ECDT:
[000h 0000 004h] Signature : "ECDT" [Embedded Controller Boot Resources Table]
[004h 0004 004h] Table Length : 00000069
[008h 0008 001h] Revision : 01
[009h 0009 001h] Checksum : 6E
[00Ah 0010 006h] Oem ID : "LENOVO"
[010h 0016 008h] Oem Table ID : "CB-01 "
[018h 0024 004h] Oem Revision : 00000001
[01Ch 0028 004h] Asl Compiler ID : "LENO"
[020h 0032 004h] Asl Compiler Revision : 00000001
[024h 0036 00Ch] Command/Status Register : [Generic Address Structure]
[024h 0036 001h] Space ID : 01 [SystemIO]
[025h 0037 001h] Bit Width : 08
[026h 0038 001h] Bit Offset : 00
[027h 0039 001h] Encoded Access Width : 00 [Undefined/Legacy]
[028h 0040 008h] Address : 0000000000000066
[030h 0048 00Ch] Data Register : [Generic Address Structure]
[030h 0048 001h] Space ID : 01 [SystemIO]
[031h 0049 001h] Bit Width : 08
[032h 0050 001h] Bit Offset : 00
[033h 0051 001h] Encoded Access Width : 00 [Undefined/Legacy]
[034h 0052 008h] Address : 0000000000000062
[03Ch 0060 004h] UID : 00000000
[040h 0064 001h] GPE Number : 6E
[041h 0065 012h] Namepath : "_SB.PC00.LPCB.EC0"
Raw Table Data: Length 105 (0x69)
0000: 45 43 44 54 69 00 00 00 01 6E 4C 45 4E 4F 56 4F // ECDTi....nLENOVO
0010: 43 42 2D 30 31 20 20 20 01 00 00 00 4C 45 4E 4F // CB-01 ....LENO
0020: 01 00 00 00 01 08 00 00 66 00 00 00 00 00 00 00 // ........f.......
0030: 01 08 00 00 62 00 00 00 00 00 00 00 00 00 00 00 // ....b...........
0040: 6E 5F 53 42 2E 50 43 30 30 2E 4C 50 43 42 2E 45 // n_SB.PC00.LPCB.E
0050: 43 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // C0..............
0060: 00 00 00 00 00 00 00 00 00 // .........
It is fully identical on both firmware versions I've seen.
