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pmam
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PostPosted: Tue Oct 07, 2014 12:38 pm    Post subject: Booting delay? Reply with quote

Hi,

I have a delay issue during booting in one machine:
After BIOS checking there is a line: 'Verify DMI Pool Data',
and then 'Grab Loading' and right immediate there is very fast error message that I can not catch in eyes -
The above process takes sometime, while in other machine after the BIOS checking it is very fast until the booting menu.
But here, there is an error that causing to extra delay- it is not a big problem but who knows -
Maybe some day the Grab process will go out of the machine and revenge for all those errors.... :wink:
Where is the log file keeping the errors of this booting stage, before getting to the OS booting menu?
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i92guboj
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PostPosted: Tue Oct 07, 2014 12:50 pm    Post subject: Re: Booting delay? Reply with quote

pmam wrote:
Hi,

I have a delay issue during booting in one machine:
After BIOS checking there is a line: 'Verify DMI Pool Data',
and then 'Grab Loading' and right immediate there is very fast error message that I can not catch in eyes -


So, where exactly does the delay take place? Is it between the DMI stuff and the "Grub is loading..." message? Is it between "Grub is loading..." and the error messages?

Are you sure those are error messages and not the regular linux kernel verbosity when no boot splash is used?

If you are not sure how to describe it, maybe you could upload a video somewhere. It doesn't need to be fancy, as long as it's readable enough.

One thing you could check is if you have set a GRUB_HIDDEN_TIMEOUT for grub in /etc/default/grub.
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pmam
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PostPosted: Tue Oct 07, 2014 1:42 pm    Post subject: Reply with quote

i92guboj,

Quote:
So, where exactly does the delay take place?

Between "Grub is loading..." and the error messages - It stays sometime on the 'Grub loading'.
Quote:
Are you sure those are error messages

Yes - It is very fast but I can see the word 'error'.
Video will not help due to the rapid error message - can I make a break there, stopping the booting process?
In my /etc/default/grub:
Code:
GRUB_DEFAULT=0
GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10


Thanks
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i92guboj
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PostPosted: Tue Oct 07, 2014 1:49 pm    Post subject: Reply with quote

The dmesg command will give you all that's been logged since you booted your computer. So, please, paste that (or use a pastebin if it's too large).

I don't know if that will be of use though. There's a limit to what dmesg can show though. The earliest stage of the kernel output can't be logged. Of course, logs can't go back to the stage before the kernel is loaded so whatever grub says is out of the log as well
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pmam
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PostPosted: Tue Oct 07, 2014 2:15 pm    Post subject: Reply with quote

Here is my dmesg: http://pastebin.com/ruF3KRnD
Hope it can tell something...
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creaker
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PostPosted: Tue Oct 07, 2014 2:42 pm    Post subject: Reply with quote

I have such a delay too on two of four machines. Error that indicated by Grub isn't a causer of delay. I think this delay depends on your hardware. I found accidentally that this delay may be reduced or skipped at all by pressing some keyboard buttons. Cursor buttons, Enter, backspace, Escape and some others. Does your keyboard pressing reduce the delay?

Added:
Do you have this delay when booting from LiveUSB? I have it. Regardless what a bootloader in use - Grub, Lilo, syslinux or even Windows bootloader.


Last edited by creaker on Tue Oct 07, 2014 4:23 pm; edited 1 time in total
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i92guboj
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PostPosted: Tue Oct 07, 2014 3:51 pm    Post subject: Reply with quote

That log seems normal. And there"s no delay in there either. So, whatever that's happening must be happening at grub stage and it's hard to know what is it without seeing the actual errors.
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pmam
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PostPosted: Wed Oct 08, 2014 7:29 am    Post subject: Reply with quote

creaker,

I had a long running of emerge world on this machine - so now after has finished - I can re-check the situation...

Quote:
I have such a delay too on two of four machines.

Some relief to know I am not alone with this issue... :)
Quote:
Error that indicated by Grub isn't a causer of delay

Probably you right - I was not accurate in this:
Quote:
Between "Grub is loading..." and the error messages - It stays sometime on the 'Grub loading'.

I need to correct: The delay is between the DMI stuff and the "Grub is loading..." message
Quote:
Does your keyboard pressing reduce the delay?

No.
Quote:
Do you have this delay when booting from LiveUSB?

Did not check it yet, however, I believe it is like you said: Regardless what a bootloader in use.

i92guboj,

Your tip to video booting process was a good idea - more then I thought in the first time -
It helped me to see what is the exact error line - After some trying of play&pause I could read as following:
"error: file '/grub/locale/en.gno' not found."
BTW: I assume there is a better application to play frame by frame - Can you please recommend on a good video editor?
Probably creaker is right:
Quote:
Error that indicated by Grub isn't a causer of delay. I think this delay depends on your hardware.

- However, maybe this error can be fixed.

If needed I can attached the video - how to do it?

Thanks
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i92guboj
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PostPosted: Wed Oct 08, 2014 8:29 am    Post subject: Reply with quote

I don't have an "en.mo" file either under /boot/grub/locale/, I think I can see the same error but it's hard to notice, and it's definitely not something to worry about since "en" will be the default embedded locale anyway. In any case, from what you said in your last post, that delay occurs *before* grubs gets into scene, so there's nothing we can do to fix it. I think it's hardware related, and it's not related to the grub error.

By the way, you can advance or go back frame by frame using the dot and comma keys in mplayer (and by extension in mplayer2 and mpv), if my memory serves correctly.

left/right skip 1 sec
up/down skip 10 secs
pag up/pag down skips 1 min
./, skip one frame
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