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Old 15th July 2017, 12:45 PM
mac101 Offline
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linuxfedorafirefox
Unhappy Disable error messages for clean graphical boot?

I have a box with F25 with the exact issue noted here by Linus: https://lkml.org/lkml/2016/10/5/299

I have a laptop I just upgraded to F26, which also get it's nice clean graphical boot interrupted by this messages:

Quote:
kernel: Error parsing PCC subspaces from PCCT
Both installs also show a load of repeating scrolling text that runs by really fast after the graphical shutdown.

Is there any way to hide these messages? as there are no apparent negative effects on my systems as a result. To a normal non developer end user things like this make the operating system look broken.

Surley it would be better to not have these interrupt the boot, while retaining the option to escape the graphical boot. So if something doesn't work you can still check things at boot?
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  #2  
Old 15th July 2017, 01:15 PM
lightman47 Offline
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linuxfirefox
Re: Disable error messages for clean graphical boot?

https://bugzilla.redhat.com/show_bug.cgi?id=1435837
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Old 15th July 2017, 02:58 PM
mac101 Offline
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linuxfedorafirefox
Re: Disable error messages for clean graphical boot?

Thanks for the reply, I'm actually already the last comment in the bug report (Matt).

Did I miss a way to do what I'm asking in that report, or did you just link me so I see the report exists?
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Old 15th July 2017, 04:40 PM
antikythera Offline
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linuxchrome
Re: Disable error messages for clean graphical boot?

investigate the options for /proc/sys/kernel/printk I can't find anything current though. I don't want to link you to something 2 years old because it may be outdated.

basically printk arguments set what kernel warning messages are or are not displayed to the user during system start up.
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Old 16th July 2017, 10:35 PM
mac101 Offline
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linuxfedorafirefox
Re: Disable error messages for clean graphical boot?

Hi so I did some reading up and appending:

Code:
kernel.printk = 3 1 1 3
to /etc/sysctl.conf sets the log levels to less as you suggested, but this doesn't hide the pre Fedora logo boot messages from showing up before the graphical boot gets going.

Does anyone else have any suggestions?
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  #6  
Old 16th July 2017, 10:43 PM
antikythera Offline
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linuxfedorafirefox
Re: Disable error messages for clean graphical boot?

try temporarily adding it to the grub entry for your current boot by pressing e to edit:

e.g.
Code:
title Desktop -- openSUSE 12.1
root (hd0,0)
kernel /vmlinuz-3.3.1 printk.time=3 1 1 3
initrd /initrd-3.3.1
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