https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=196575
Bug ID: 196575
Summary: Need methods to write to disk from powerpc loader
Product: Base System
Version: 11.0-CURRENT
Hardware: ppc
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: misc
Assignee: freebsd-bugs@FreeBSD.org
Reporter: jhibb...@freebsd.org
The PowerPC loader doesn't currently support writing to disk from the loader.
This causes 'nextboot -k' to always boot the next kernel, unless explicitly
unloaded, whereas on i386 once the test kernel is loaded, the behavior is
reverted back to the default kernel, in case of failure.
On powerpc (32-bit) the kernel can be unloaded, which reduces the impact of
this issue, but on powerpc64, unloading the kernel doesn't completely work, so
loading a new kernel does not work, and panics or load failures ensue. Of
course, this itself should be fixed, to allow unloading, but that's another
problem entirely.
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