22.04.2020 21:52, Marek Behun пишет: > Hello, > > there was a bug fixed recently in U-Boot's btrfs driver - the driver > failed to read files with sparse extents. This causes that sometimes > device failes to boot Linux, since the kernel fails to load from > storage. > Do you mean that kernel image (vmlinuz?) had holes? Or there were some other files that caused U-Boot to fail? > So when does kernel's btrfs driver write sparse extents? Is it always > when it finds a PAGE_SIZEd and aligned all-zeros block? Or is it more > complicated? > > Thanks. > > Marek >
