Applied, thanks!
Samuel Mike Kelly, le sam. 14 nov. 2026 17:35:24 +0000, a ecrit: > Hello, > > These 2 patches fix problems associated with the following recent commits: > > 93f7dc461087d129af0111b0d0ce8dc5f4f1c400 > vm_page: support empty intermediate memory segments > > This is fixed by PATCH 1 which I meant to include with the original > commit but somehow didn't. I have no explanation for how that > happened. > > 12a3efa846b574070f90aa0c22c3f3e67cca10c4 > i386/i386at/biosmem: multiboot 'mem_upper' restricts boot heap size. > > This is fixed by PATCH 2. The problem showed as a failure to switch to > the pmap page tables from the ones setup by boothdr.S. The page tables > setup by pmap had been corrupted because the memory they were using > was actually reserved. I had been careless in thinking of the 'avail' > in function name biosmem_find_avail() indicating it was limited to > available memory which indeed it was but only because it was limited > by 'mem_upper'. No blame intended here, the mistake was all mine, but > this is hopefully fixed properly now with my 16GB UEFI laptop booting > gnumach successfully. > > The down side is that my 16GB desktop machine only worked with the > former patch because a small reserved section of memory was wrongly > included between the approximately 50:50 split of the DIRECTMAP > segment. It now fails to boot again since the heap is too > small. Nevertheless I believe this heap determination is appropriate > and correct and I'll look at other ways of fixing my boot issue. > > Many apologies for the inconvenience, > > Mike. >
