-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 2/10/21 3:05 AM, Ranjeet Shetye wrote: > Hi, > > Is there a standard HOWTO I can follow to fix the boot process (to go from a > grub / xen.cfg that fails to LUKS decrypt and load unencrypted rootfs) > > I am reasonably knowledgeable about Linux. Gaps exist in my knowledge > regarding BIOS and UEFI boot processes. > > Unfortunately the grub update for the kernel upgrade seems to have messed up > the boot process. How do I figure out if it's installed for BIOS or UEFI mode > ? > > My data is safe and LUKS encrypted . I can use a live USB to decrypt it, > access it and I also have made 2 backup copies. > > So with nothing to lose I tried to fix the boot manually from a live USB > including creating /etc/default/grub but situation is no better. > > Between BIOS / (UEFI) / grub2 / xen / vmlinuz / LUKS / LVM2 , I am lost where > the fix might be. Might be grub flags, grub modules, grub defaults, xen cfg, > EFI manager etc. Hence my question. > > Thanks, > Ranjeet
Also note that Qubes R4.0 on UEFI does not boot via GRUB -- it boots directly via \EFI\qubes\xen.efi. - -- Sincerely, Jinoh Kang -----BEGIN PGP SIGNATURE----- iQJMBAEBCAA2FiEEzGktrvc/U3kFXd9AGlqQRGyEq/UFAmAj67YYHGppbm9oLmth bmcua3JAZ21haWwuY29tAAoJEBpakERshKv1oLIP/jjFOQkzyYlMxZWAicelCeiS g3k/f8Gg6L7yBEQhXdBSiFVHKz5V35VUcseLk8gqrxxrAuzSuJwRwzno/f/DR7Jk 9IIc6LuQNrFjSMt327wqGsXvt7i/AObT8mUHiuKI8CTZOmX5kA1COk5jE5psCWks pG4ahB/chbUUS6rgx0JfgitKJopHCN9MXIc+xaJJatoLeJH89rJC/Lu8hSLjYwXx /TQIY4MJdM/HHP2dtye/ZbR6NT7kR/f985vqreN2D+83pCjSzqUu1aZt10oh92in 4qxel9DkLg0plnwi2AFgLZfHNXmTkR13eoc9awW+L7nZvhZbPKZ3Kt0X/QfWNFK+ ThHZzLsWG+BNDU70fWkDJ137GhggfxChANLjX8ltRSgPh7ApIofYfOaoAUqXBz4j QF8rYp+xhR5aMIGiXVBYeThHva8P6Zy/JwMq/Bo5hl52FAUwUGl5920+t/W66iTC eL3UyRsO9akD5ovbEkCdhkBISy9KDsE5KkI7cKa+ccl08yyTjbLpfZ1etYbIKRSQ OOtE0csiByZjS7sUtmgHcbGYRXMLbJ4xQMOptjNrndcY2JM3Di4q+JX/UwAhLO52 VYB3zHYBnKDJai5iPFARzoCG86otjlU9/gGbx/4JjKC+SjZ1XI7gZYdfFvF+ZRBf OCGR9pkKQunhiNhLJ8OT =pSYS -----END PGP SIGNATURE----- -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/fd12b13b-2f5f-ad9f-3aa6-c2d6be637286%40gmail.com.
