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| author | Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com> | 2018-08-21 14:22:44 -0400 |
|---|---|---|
| committer | Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com> | 2018-08-21 14:22:44 -0400 |
| commit | 7bf7a6d0852382bb645119b18df3ff461aaba247 (patch) | |
| tree | 74089c9a1e552dfb9e5efa57468c8d7afda7e415 /TODO | |
| parent | f892ac66084ab0315adb0c52e4a39b518730d023 (diff) | |
| download | efi-boot-shim-upstream/15+1533136590.3beb971.tar.gz efi-boot-shim-upstream/15+1533136590.3beb971.zip | |
New upstream version 15+1533136590.3beb971upstream/15+1533136590.3beb971
Diffstat (limited to 'TODO')
| -rw-r--r-- | TODO | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -27,5 +27,18 @@ the string table :/ - Make build.log an artifact of building. - KEK for Mok. (koike expressed an interest in working on this.) +- Detection of fallback.efi boot loops + - Some tablet devices seem to always boot the fallback path, ignoring + boot variables, so we need to detect that. + - fallback creates 2 variables, one volatile, one nonvolatile + - if shim sees the nonvolatile variable but not the volatile one, it has + been booted correctly after fallback has run, so it should remove the + nonvolatile variable. + - if fallback sees the nonvolatile variable, it is in a fallback boot + loop, and should launch the next stage instead of rebooting. + - This means the TPM extend chain on machines with broken BDS always + looks like: shim -> fallback -> shim -> grub2 -> kernel, *except* on + boots from removable media (i.e. install media without fallback), + where it looks like shim -> grub2 -> kernel /once/. # vim:filetype=mail:tw=74 |