On 0917T1630, John Baldwin wrote: > On Thursday, September 17, 2015 10:30:15 PM Bjoern A. Zeeb wrote: > > > > > On 17 Sep 2015, at 20:43 , John Baldwin <j...@freebsd.org> wrote: > > > > > > On Thursday, September 17, 2015 08:36:47 PM John Baldwin wrote: > > >> Author: jhb > > >> Date: Thu Sep 17 20:36:46 2015 > > >> New Revision: 287934 > > >> URL: https://svnweb.freebsd.org/changeset/base/287934 > > >> > > >> Log: > > >> The EFI boot loader allocates a single chunk of contiguous memory to > > >> hold the kernel, modules, and any other loaded data. This memory block > > >> is relocated to the kernel's expected location during the transfer of > > >> control from the loader to the kernel. > > >> > > >> The GENERIC kernel on amd64 has recently grown such that a kernel + > > >> zfs.ko > > >> no longer fits in the default staging size. Bump the default size from > > >> 32MB to 48MB to provide more breathing room. > > > > > > I believe that this should work fine for any system with 64MB of RAM. One > > > downside of the static size is that the loader fails if it can't allocate > > > a contiguous staging size (it isn't able to grow the staging area on > > > demand). > > > > how do md_images work in that case? > > The md_image has to fit into the same staging area (kernel plus any other > files loaded by the loader including modules and md_images all have to fit > in the staging area). That was the original motivation for making the > staging area a build-time tunable rather than always hardcoded at 32MB so > that people who wished to deploy a large md_image can use a make flag to > build a loader with a larger staging size (I tested this with a 200+MB > mfsroot).
What would be required to get rid of that limitation altogether, ie make it dynamic? Right now it's quite a regression compared to the usual (non-UEFI) loader. _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
