https://bugzilla.kernel.org/show_bug.cgi?id=200427
Bug ID: 200427
Summary: Strange output character in Linux messages
Product: ACPI
Version: 2.5
Kernel Version: 4.18-rc3+
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ACPICA-Core
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 277215
--> https://bugzilla.kernel.org/attachment.cgi?id=277215&action=edit
Linux 4.18-rc3+ messages
Using Linux 4.18-rc3+ there is a non-displayable character in the Linux
messages before the ACPI error line.
Running `dmesg` in the Xfce4 Terminal it looks like this:
```
[ 0.312082]
3ACPI BIOS Error (bug): Could not resolve
[\_SB.PCI0.LPCB.HEC.ECAV], AE_NOT_FOUND (20180531/psargs-330)
```
Piping it to `less` it looks like this:
```
[ 0.312082]
^A3ACPI BIOS Error (bug): Could not resolve
[\_SB.PCI0.LPCB.HEC.ECAV], AE_NOT_FOUND (20180531/psargs-330)
```
Please find the text file attached. Here is an excerpt from `xxd`.
```
0008050: 2041 4350 493a 2050 6f77 6572 2042 7574 ACPI: Power But
0008060: 746f 6e20 5b50 5752 465d 0a5b 2020 2020 ton [PWRF].[
0008070: 302e 3331 3230 3832 5d20 0a20 2020 2020 0.312082] .
0008080: 2020 2020 2020 2020 2020 0133 4143 5049 .3ACPI
0008090: 2042 494f 5320 4572 726f 7220 2862 7567 BIOS Error (bug
```
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