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"Ignoring BGRT" - What is it and should I be worried? [closed]

asked 2016-02-02 00:18:48 -0600

updated 2016-02-02 05:23:37 -0600

While booting my notebook, Fedora23 displays this message in bright yellow: "Ignoring BGRT: Invalid status 0 (expected 1)".

I'd like to know what this is and if I should be worried about it. Thanks,

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Closed for the following reason the question is answered, right answer was accepted by galvao
close date 2017-01-15 14:20:25.374612



Apparently, nothing to worry about:

florian gravatar imageflorian ( 2016-02-02 10:32:42 -0600 )edit

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answered 2016-02-02 10:28:23 -0600

In ACPI, there is a table called BGRT -- the Boot Graphics Resource Table. The purpose of the table is to describe some nice graphic at boot time: where it resides in memory and other such details. I suspect that the message can be ignored since the BGRT is only briefly used and once the kernel is up and running, typically ignored.

If you have been getting this message all along, ignoring it is probably reasonable. If this is a new message, has firmware been updated or changed recently? The ACPI tables that contain BGRT might have changed at that point and there could be either a bug in the BGRT content or in the code reading it. Otherwise, either the bootloader or kernel has a change that prevents it from reading BGRT properly. When does this message occur? Is it in dmesg? Sometime before that? Before GRUB2 loads?

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dmesg | grep BGRT

[0.000000] ACPI: BGRT 0x00000000DAFD6000 000038 (v00 LENOVO TP-G2 00002650 PTL 00000002)
[0.095476] Ignoring BGRT: invalid version 0 (expected 1)

I like this explanation here

florian gravatar imageflorian ( 2016-02-02 10:34:26 -0600 )edit

Ah, invalid version -- even more ignorable. The kernel is not going to really use the BGRT anyway, but this message means the error/warning is really just noise and should have no effect.

ahs3 gravatar imageahs3 ( 2016-02-02 12:44:42 -0600 )edit

Ah, is it version now. I am very positive that it used to be "Invalid status" on my system as well.

florian gravatar imageflorian ( 2016-02-02 14:11:26 -0600 )edit

answered 2016-02-03 18:59:52 -0600

I've been getting it for a long time (but I believe it started displaying when I've switched to Fedora23). It shows after GRUB, right before the boot switches to the graphical interface (KDE). I guess it's nothing to worry then, but the fact it comes in bright yellow suggests otherwise and is a bit concerning.

Thank you all for your answers/comments!

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Asked: 2016-02-02 00:18:48 -0600

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Last updated: Feb 03 '16