Grub bug report

Ty Young bluesoviet at
Mon Mar 28 00:32:23 UTC 2016

On 03/27/2016 04:24 AM, Narcis Garcia wrote:
> Do you want to use GRUB With or Without Windows?
> Then will you update-grub With or Without Windows HDD plugged?

Without. The test that I just did was without Windows, though normally 
it is plugged in during updates.

> El 27/03/16 a les 00:26, Ty Young ha escrit:
>> Sent this earlier with an image attached but the size was too big and it
>> needed to be approved by a mod. I'll just include a link instead...
>> On 03/25/2016 03:40 AM, Narcis Garcia wrote:
>>> I suppose the only thing to seem disappeared is GRUB's menu (hidden to
>>> be more precise).
>>> If you already boot to GNU/Linux (Ubuntu), the command "update-grub"
>>> will rebuild menu's entries with plugged volumes that have operating
>>> systems.
>> I removed my Windows HDD and did update-grub and I can still boot into
>> Ubuntu Gnome. This is what it gave for output, if it helps any:
>>> El 25/03/16 a les 08:12, Ty Young ha escrit:
>>>> On 03/25/2016 01:58 AM, Tim wrote:
>>>>> On 25/03/16 17:12, Ty Young wrote:
>>>>>> I've personally never used update-grub before, so unless the command
>>>>>> was given by an update, no.
>>>>> Yes it will get triggered by system updates from time to time, so it
>>>>> would be worth trying and see if breaks things. A reproducible bug is
>>>>> much
>>>>> better than one that says "things break after a random reboot"!
>>>> Just update-grub? No special arguments/options? I'll try that tomorrow
>>>> and see what happens.
>>>> Yeah, sorry about that. I said that because I have no clue what could be
>>>> causing it. I hadn't installed any grub updates in a long time and I've
>>>> only recently upgraded the kernel to 4.5, the only times I would think
>>>> update-grub would run.
>>>> I swear this has happened without even installing updates before though.
>>>> Guess I'll found out tomorrow when I run it...
>>>>>> I run Windows 7 and Ubuntu Gnome on separate hard drives. I had
>>>>>> unplugged the Windows 7 HDD for the boot-repair.
>>>>>> Don't think so since it happens when restarting from Ubuntu Gnome and
>>>>>> never from Windows 7 to Ubuntu Gnome if the option was there before
>>>>>> restarting Ubuntu Gnome.
>>>>> OK, its probably not from windows then
>>>>>> If it matters any, I get a duplicate UEFI entry for Ubuntu, named
>>>>>> after the hard drive model(Model: ST3750528AS). If i select it, the
>>>>>> screen
>>>>>> flashes blue and enters grub as normal(or looks normal, anyway).
>>>>> I don't have any UEFI hardware still, so not entirely sure about this.
>>>>> But I believe the UEFI entries are added by the OS, maybe you can use
>>>>> efibootmgr to remove the dupe. No idea if this is causing your issues
>>>>> though.

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