bugGNU GRUB - Bugs: bug #42976, grub2 waits forever for keystroke...

 
 

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bug #42976: grub2 waits forever for keystroke before booting

Submitter:  Bryce Nesbitt <brycenesbitt>
Submitted:  Wed 13 Aug 2014 05:51:12 PM UTC
   
 
Category:  Booting Severity:  Major
Priority:  5 - Normal Item Group:  Software Error
Status:  Invalid Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Closed Release:  other
Release:  Reproducibility:  Intermittent
Planned Release:  None

Fri 15 Aug 2014 07:08:35 PM UTC, comment #1: 

Upstream GRUB doesn't do this. Your problems are caused by Ubuntu-specific patch. You have to take it to them.

Vladimir Serbinenko <phcoder>
Group administrator
Wed 13 Aug 2014 05:51:12 PM UTC, original submission:  

This is a big issue for unattended systems.  It appears the grub2 defaults, often picked up by the distributions, will wait forever for a keystroke at boot time.

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We found three causes of the "headless server waits forever for someone to press a key" problem with grub2 as configured by Ubuntu:

1) "apt-get updgrade" can trigger "grub-setup". If by chance there happens to be a USB drive attached with Linux on it... grub will find it. And suddenly you have two OS's and grub asks.
2) If a previous boot fails (for example because of a power failure in the middle), the next boot waits forever for a keypress.
3) On a kiosk, if a visitor happens to press the shift key (or it is stuck) at boot time, the machine won't finish the boot.

All three issues are problems for unattended/kiosk uses of Ubunu.

https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/797544
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An improvement here would be a grub that by default boots no matter what, but can be configured cleanly to hang instead.

Bryce Nesbitt <brycenesbitt>

 

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    Date Changed by Updated Field Previous Value => Replaced by
    2014-08-15 phcoder StatusNone Invalid
        Open/ClosedOpen Closed

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