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#1 2015-07-30 18:27:01

dgalt
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Registered: 2015-04-22
Posts: 52

Fresh Win 10 install (separate SSD) broke Grub / Arch boot

I have two ssd's in my system, one on which Arch was installed and the other on which Windows was installed. My Arch install, which I have set up as UEFI, is my primary OS. My previous Windows install (Windows 8.1) was not set up as UEFI, so to switch between them I would just load the boot menu (F8) and select the appropriate drive.

However, with the release of Windows 10 I thought it would be a good time to wipe my Windows install and start from scratch as UEFI (not necessary, I know, but I've been meaning to clean up my windows install for a while now).


To try and avoid the Windows installation process from messing with my Arch bootloads (Grub2) I unplugged my Arch SSD from the machine and went through the installation.

After completing the installation (and booting into Windows, etc.), I replugged the Arch ssd into my machine. However, I can no longer boot into my Arch install.

If I tell the machine to boot from the Arch disk I get the Windows "missing efi partition" error screen. This occurs even if I unplug the Windows drive from the computer.

I assume I have to go back in and reinstall Grub with the live disk, but I don't want to then screw up my Windows install from being able to boot.


Ultimately I want Grub to manage both of them (the reason I'm using Grub is because I want them on separate drives, and gummiboot obviously can't do that) so that I can switch between OS's 

What is the correct process, then, to accomplishing that? I've read through https://wiki.archlinux.org/index.php/Wi … _dual_boot and https://wiki.archlinux.org/index.php/GR … menu_entry but am still pretty confused

Last edited by dgalt (2015-07-30 18:27:18)

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#2 2015-07-30 19:05:56

Head_on_a_Stick
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From: The Wirral
Registered: 2014-02-20
Posts: 9,003
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Re: Fresh Win 10 install (separate SSD) broke Grub / Arch boot

Please post the output of:

# efibootmgr -v

You could get gummiboot (bootctl) working by simply mounting /boot to the Windows drive ESP.

Jin, Jîyan, Azadî

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#3 2015-07-30 19:42:14

dgalt
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Registered: 2015-04-22
Posts: 52

Re: Fresh Win 10 install (separate SSD) broke Grub / Arch boot

Where is that command being run from, the live disk?

Last edited by dgalt (2015-07-30 20:02:58)

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#4 2015-07-30 19:46:15

Head_on_a_Stick
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From: The Wirral
Registered: 2014-02-20
Posts: 9,003
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Re: Fresh Win 10 install (separate SSD) broke Grub / Arch boot

Yes.

Jin, Jîyan, Azadî

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#5 2015-07-30 22:20:22

dgalt
Member
Registered: 2015-04-22
Posts: 52

Re: Fresh Win 10 install (separate SSD) broke Grub / Arch boot

Here's the output: 

BootCurrent: 0007
Timeout: 1 seconds
BootOrder: 0005,0006,0007,0004
Boot0004* CD/DVD Drive 	BBS(CDROM,,0x0)..GO..NO........o.S.A.M.S.U.N.G. . .D.V.D.W.B.D. .S.H.-.B.0.8.3.L....................A...........................>..Gd-.;.A..MQ..L.4.R.0.3.G.6.Z.H.1.3.1.0.5.5. . . . . . ........BO..NO........y.S.a.n.D.i.s.k. .U.3. .C.r.u.z.e.r. .M.i.c.r.o....................A...............................D..Gd-.;.A..MQ..L.S.a.n.D.i.s.k. .U.3. .C.r.u.z.e.r. .M.i.c.r.o........BO
Boot0005* Hard Drive 	BBS(HD,,0x0)..GO..NO........o.W.D.C. .W.D.5.0.0.1.A.A.L.S.-.0.0.L.3.B.2....................A...........................>..Gd-.;.A..MQ..L. . . . .W. .-.D.C.W.S.A.5.Y.6.0.9.5.4.6........BO..NO........o.I.N.T.E.L. .S.S.D.S.C.2.M.H.1.2.0.A.2....................A...........................>..Gd-.;.A..MQ..L.N.L.L.E.1.1.5.1.1.0.K.4.2.1.C.0.N.G. . ........BO..NO........o.S.a.m.s.u.n.g. .S.S.D. .8.5.0. .P.R.O. .1.T.B....................A...........................>..Gd-.;.A..MQ..L.2.S.2.5.E.N.G.A.1.3.9.2.1.7. .P. . . . ........BO..NO........q.S.a.n.D.i.s.k. .U.3. .C.r.u.z.e.r. .M.i.c.r.o....................A.......................D..Gd-.;.A..MQ..L.S.a.n.D.i.s.k. .U.3. .C.r.u.z.e.r. .M.i.c.r.o........BO..NO........o.S.a.m.s.u.n.g. .S.S.D. .8.4.0. .E.V.O. .5.0.0.G.B....................A...........................>..Gd-.;.A..MQ..L.1.S.H.D.S.N.F.A.1.4.9.1.9.3. .D. . . . ........BO
Boot0006* Windows Boot Manager	HD(2,GPT,8f1693c9-13af-46dd-bef5-cf1f0ca31c50,0xe1800,0x32000)/File(\EFI\Microsoft\Boot\bootmgfw.efi)
Boot0007* UEFI: SanDisk U3 Cruzer Micro	PciRoot(0x0)/Pci(0x14,0x0)/USB(2,0)/HD(1,MBR,0x785090132,0x800,0x3cfe8e)..BO

I'm not sure why my other HDD (Boot00005) is listed at all, but my arch boot device is obviously missing.

Last edited by dgalt (2015-07-30 22:48:32)

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#6 2015-07-31 00:48:36

dgalt
Member
Registered: 2015-04-22
Posts: 52

Re: Fresh Win 10 install (separate SSD) broke Grub / Arch boot

So I went in and just reinstalled grub, and I can now boot into Arch just fine. However, grub is not recognizing my Windows installation (I can still manually boot into my Windows install by tapping F8 and selecting the Windows boot loader option in the boot device menu). I would like to keep the efi partitions separate if that's at all possible.

Output from 

efibootmgr -v

now: 

BootCurrent: 0001
Timeout: 1 seconds
BootOrder: 0001,0000,0006,0004,0005
Boot0000* Windows Boot Manager	HD(2,GPT,8f1693c9-13af-46dd-bef5-cf1f0ca31c50,0xe1800,0x32000)/File(\EFI\Microsoft\Boot\bootmgfw.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...,................
Boot0001* grub	HD(1,GPT,d5501b4c-2c7f-43ec-9ead-21a1c575f04a,0x800,0x100000)/File(\EFI\grub\grubx64.efi)
Boot0004* CD/DVD Drive 	BBS(CDROM,,0x0)..GO..NO........o.S.A.M.S.U.N.G. . .D.V.D.W.B.D. .S.H.-.B.0.8.3.L....................A...........................>..Gd-.;.A..MQ..L.4.R.0.3.G.6.Z.H.1.3.1.0.5.5. . . . . . ........BO..NO........y.S.a.n.D.i.s.k. .U.3. .C.r.u.z.e.r. .M.i.c.r.o....................A...............................D..Gd-.;.A..MQ..L.S.a.n.D.i.s.k. .U.3. .C.r.u.z.e.r. .M.i.c.r.o........BO
Boot0005* Hard Drive 	BBS(HD,,0x0)..GO..NO........o.W.D.C. .W.D.5.0.0.1.A.A.L.S.-.0.0.L.3.B.2....................A...........................>..Gd-.;.A..MQ..L. . . . .W. .-.D.C.W.S.A.5.Y.6.0.9.5.4.6........BO..NO........o.I.N.T.E.L. .S.S.D.S.C.2.M.H.1.2.0.A.2....................A...........................>..Gd-.;.A..MQ..L.N.L.L.E.1.1.5.1.1.0.K.4.2.1.C.0.N.G. . ........BO..NO........o.S.a.m.s.u.n.g. .S.S.D. .8.5.0. .P.R.O. .1.T.B....................A...........................>..Gd-.;.A..MQ..L.2.S.2.5.E.N.G.A.1.3.9.2.1.7. .P. . . . ........BO..NO........o.S.a.m.s.u.n.g. .S.S.D. .8.4.0. .E.V.O. .5.0.0.G.B....................A...........................>..Gd-.;.A..MQ..L.1.S.H.D.S.N.F.A.1.4.9.1.9.3. .D. . . . ........BO..NO........q.S.a.n.D.i.s.k. .U.3. .C.r.u.z.e.r. .M.i.c.r.o....................A.......................D..Gd-.;.A..MQ..L.S.a.n.D.i.s.k. .U.3. .C.r.u.z.e.r. .M.i.c.r.o........BO
Boot0006* UEFI: SanDisk U3 Cruzer Micro	PciRoot(0x0)/Pci(0x14,0x0)/USB(2,0)/HD(1,MBR,0x785090132,0x800,0x3cfe8e)..BO

Last edited by dgalt (2015-07-31 00:49:39)

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#7 2015-07-31 21:23:21

Head_on_a_Stick
Member
From: The Wirral
Registered: 2014-02-20
Posts: 9,003
Website

Re: Fresh Win 10 install (separate SSD) broke Grub / Arch boot

Check your grub.cfg

You may have to add a custom menu entry for Windows.
http://www.gnu.org/software/grub/manual … 02dloading
http://www.gnu.org/software/grub/manual … 02fWindows
http://www.gnu.org/software/grub/manual … l#drivemap

Jin, Jîyan, Azadî

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