hi! APFS is not just stand alone partition, APFS is container for subvolumes (vendor media paths) - like having partition table inside the partition. It sounds like grub is sorting them out wrong.
rgds, toomas > On 30. Nov 2019, at 19:02, Chris Murphy <li...@colorremedies.com> wrote: > > Hi, > > First reported on Btrfs list, because I'm pretty sure it's a related factor > https://lore.kernel.org/linux-btrfs/cajcqctqxr4xnikz7vvxox-gzu6awzu5eheg95hoksx40zit...@mail.gmail.com/T/#t > > Hardware: > Macboo Pro 8,2 (2001) > (1) Samsung SSD drive > (1) internal DVD-ROM drive > (2) USB 2, nothing external connected but built-in keyboard shows up > as USB device > (1) wired ethernet > firmware, > > GRUB 2.04-3.fc32.x86_64 (Fedora Rawhide GRUB) > > SSD partition layout: > 1 FAT32 EFI system partition (unused) > 2 APFS (macOS) > 3 HFS+ (used as ESP by Fedora) > 4 Btrfs, sysroot > 5 swap > 6 Btrfs, sysroot > > That is, partitions 4 and 6 are member devices for the Btrfs used as > system root, using single profile for both metadata and data. The > typical case is partition 4 alone is used for sysroot, but it started > to get full so instead of deleting a bunch of stuff I just added > partition 6 to the Btrfs volume. Following a kernel update is when the > GRUB errors show up. I have no proof yet but I think there's more than > one thing going on, interacting with each other. > > Shaky cam video of the boot is here: > https://photos.app.goo.gl/wvJbB6kBEFzNwogo6 > > a. Pretty sure the h0, hd1, hd2, hd3, hd4 phantom drives have been > present for some time, not new in 2.04 > b. The "failure reading sector" error by efidisk.c is something that > only showed up soon after adding sda6 to Btrfs sysroot, and > immediately after installing a new kernel while it was in this two > device volume state. > c. This system has been in this state before (months ago) and > immediately after removing the 2nd btrfs device, the failure errors > went away - although I'm still fairly sure the phantom GRUB hdX > devices were present. Nevertheless I have no proof the two device > Btrfs is related, and isn't just a coincidence. > > Photos of "lsefi" output > https://photos.app.goo.gl/pBxLJNdbzz6J9Vo56 > > > -- > Chris Murphy > > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > https://lists.gnu.org/mailman/listinfo/grub-devel _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
