Bios bug report (was: Grub bug report)

Thu Apr 7 06:47:37 UTC 2016

I feel GRUB has nothing to do with BIOS menuses.
Both Linux kernel and Ubuntu are more far about this.

Here you have nearer mailing lists:
www.gnu.org/software/grub

El 07/04/16 a les 02:38, Ty Young ha escrit:
> 
> 
> On 04/03/2016 03:17 AM, Narcis Garcia wrote:
>> I don't know what and where is that "boot-repair" tool you mention; I
>> use directly GRUB tools to solve GRUB matters:
>> grub-install
>> update-grub
> 
> This: https://help.ubuntu.com/community/Boot-Repair
> 
> Installed in live session from USB and reinstalled GRUB.
> 
>> I suggest you 3 different solutions for your problem:
>>
>> 1. Use Microsoft Windows boot manager to deal with any of your desires.
>> 2. Create your own script in /etc/grub.d/ and update-grub will include
>> it to make appear or disappear entries at your criteria.
>> 3. update-grub with Windows plugged, and don't use "Windows" entry if
>> you haven't that HDD plugged.
>>
> 
> I really don't think you understand, I'm not talking about the GRUB
> menu. I'm talking about this:
> https://i.gyazo.com/7f7d1c42205983e7ce5f4e95d5e82a36.png
> 
> It shows it now, however, it vanishes randomly for no apparent reason.
> 
>> El 02/04/16 a les 21:24, Ty Young ha escrit:
>>>
>>> On 04/01/2016 02:05 AM, Tim wrote:
>>>> On 01/04/16 17:07, Ty Young wrote:
>>>>> On 04/01/2016 12:30 AM, Ty Young wrote:
>>>>>> I redid update-grub with Windows drive plugged in. No change or
>>>>>> difference: same output and can still boot into "ubuntu".
>>>> I don't know if update-grub touches the efi stuff by default.
>>>>>> On 03/31/2016 10:49 PM, Tim wrote:
>>>>>>> On 01/04/16 10:54, Ty Young wrote:
>>>>>>>> Sorry for the late reply!
>>>>>>>>
>>>>>>>> On 03/28/2016 03:58 AM, Narcis Garcia wrote:
>>>>>>>>> If you want Windows entries not appears in GRUB menu, you can
>>>>>>>>> disable
>>>>>>>>> the detection of other operating systems:
>>>>>>>>> chmod a-x /etc/grub.d/30_os-prober
>>>>>>>>>
>>>>>>>>> Than you can run update-grub with Windows HDD plugged, and menu
>>>>>>>>> will not
>>>>>>>>> include MS/Windows boot.
>>>>>>>>> Usually, when GRUB has no different OS to show in the menu, it's
>>>>>>>>> configured hidden to boot faster. If you want to discover the
>>>>>>>>> menu, you
>>>>>>>>> must hold [Shift] key at boot manager stage.
>>>>>>>> A bit confused here... are you talking about the Ubuntu boot
>>>>>>>> option in GRUB? No, that in itself was/is(currently) fine and
>>>>>>>> working. The menu
>>>>>>>> I'm talking about is the BIOS boot device manager/window that
>>>>>>>> comes up by entering BIOS Boot Options/holding F12 after POST. The
>>>>>>>> entry to boot
>>>>>>>> to "ubuntu"(The HDD where Ubuntu-Gnome is on) was gone, with only
>>>>>>>> the HDD model(as mentioned previously) option remaining.
>>>>>>> If you are talking about the efi boot manager, I think that entry
>>>>>>> should be added at install time (and not touched again), though not
>>>>>>> entirely sure.
>>>>>>>
>>>>>>> Though from your logs, efi boot doesnt seem to change?
>>>>>>>
>>>>>>> =================== efibootmgr -v (Before boot-repair)
>>>>>>> BootCurrent: 0004
>>>>>>> Timeout: 1 seconds
>>>>>>> BootOrder: 0003,0004,0000,0001,0002
>>>>>>> Boot0000* UEFI Device: Generic-SD/MMC/MS/MSPRO 1.00    BBS(17,,0x0)
>>>>>>> Boot0001* UEFI Device: P5: HL-DT-ST DVDRAM GH70N        
>>>>>>> BBS(18,,0x0)
>>>>>>> Boot0002* UEFI Device: USB Flash Disk 1100    BBS(19,,0x0)
>>>>>>> Boot0003* UEFI Device: ST3750528AS
>>>>>>> PciRoot(0x0)/Pci(0x1f,0x2)/Sata(1,65535,0)/HD(1,GPT,4f39d2b7-00d2-4be4-a2d4-a3a41eceeb6e,0x800,0x100000)
>>>>>>>
>>>>>>>
>>>>>>> Boot0004* UEFI Device: Generic Flash Disk 8.00
>>>>>>> PciRoot(0x0)/Pci(0x1a,0x0)/USB(1,0)/USB(1,0)/HD(1,MBR,0x0,0x2a8,0x7a8d58)
>>>>>>>
>>>>>>>
>>>>>>> =================== efibootmgr -v (after)
>>>>>>> BootCurrent: 0004
>>>>>>> Timeout: 1 seconds
>>>>>>> BootOrder: 0003,0004,0000,0001,0002
>>>>>>> Boot0000* UEFI Device: Generic-SD/MMC/MS/MSPRO 1.00    BBS(17,,0x0)
>>>>>>> Boot0001* UEFI Device: P5: HL-DT-ST DVDRAM GH70N        
>>>>>>> BBS(18,,0x0)
>>>>>>> Boot0002* UEFI Device: USB Flash Disk 1100    BBS(19,,0x0)
>>>>>>> Boot0003* UEFI Device: ST3750528AS
>>>>>>> PciRoot(0x0)/Pci(0x1f,0x2)/Sata(1,65535,0)/HD(1,GPT,4f39d2b7-00d2-4be4-a2d4-a3a41eceeb6e,0x800,0x100000)
>>>>>>>
>>>>>>>
>>>>>>> Boot0004* UEFI Device: Generic Flash Disk 8.00
>>>>>>> PciRoot(0x0)/Pci(0x1a,0x0)/USB(1,0)/USB(1,0)/HD(1,MBR,0x0,0x2a8,0x7a8d58)
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>> Don't know anything about GRUB, so I'm not sure. I just generated
>>>>>> the logs via boot-repair GUI app from a flash drive both before and
>>>>>> after
>>>>>> the new GRUB install. I didn't mess with the drive other than that.
>>>>> Well, I feel stupid. I didn't create a log while in Ubuntu-Gnome and
>>>>> only included before and after of the live usb boot of boot-repair.
>>>>>
>>>>> For actual Ubuntu-Gnome log: http://paste.ubuntu.com/15574213/
>>>>>
>>>>> At the end it says something about the boot files being too far from
>>>>> the start of the disk. I don't understand that as this can happen
>>>>> right
>>>>> after a fresh install which I would assume does install GRUB at the
>>>>> start of the disk.
>>>>>
>>>> That probably only applies to BIOS boot not efi. And really just stop
>>>> unplugging hdd's, your creating a repair of you non-standard setup,
>>>> then
>>>> switching back, which can effect drive order, linux won't care much
>>>> due to UUID's but grub and other low level tools, still depend on sda,
>>>> sdb
>>>> etc to some extent.
>>> Honestly, if GRUB can't even handle a separate HDD(WIndows 7) being
>>> unplugged and plugged back in once in awhile then that is entirely
>>> GRUB's fault. My Windows 7 boot entry sure as heck hasn't disappeared
>>> despite me trying out a few various distros as well as the Windows 10
>>> Insider Preview(UEFI install). Neither did Windows 10 itself when
>>> installed on the secondary HDD, for that matter.
>>>
>>> Unless it triggers a chain of events that eventually cause it to vanish,
>>> I wouldn't think that would be the case anyway. Like I said, this can
>>> happen on any fresh install from 14.04.X to 15.10(probably 16.04 too)
>>> and I don't mess with the HDD's at the point unless I think I really
>>> need too, like reinstalling GRUB via boot-repair(at that point, GRUB is
>>> already dead anyway).
>>>
>>> I never messed with any of boot-repair's advanced options either, just
>>> clicked the big button that said "repair common boot problems" or
>>> something like that.
>>>
>>>>> I didn't edit the partitions, either. I just let the installer do
>>>>> everything for me.
>>>>>
>>>>>
>>>
> 
> 