Bug#759336: linux-i386 lowmem install: anna fails with ENOSPC
Samuel Thibault, le Tue 26 Aug 2014 15:46:25 +0200, a écrit :
> Steven Chamberlain, le Tue 26 Aug 2014 14:10:51 +0100, a écrit :
> > It's odd that there still seemed to be ~50% free memory when this
> > problem happened, though. Is there some maximum size that the
> > linux-i386 root ramdisk can grow to?
> There seems to be something odd somewhere indeed. Just trying to update
> the lowmem value for amd64 brings me from 109MiB to 164MiB, that's a big
> I guess the kernel somehow now has a heuristic to limit the rootfs size.
> When using 163MiB, I hit a bug when lvm tries to start, and indeed / is
> said to be full while "free" shows 44MiB free.
In /proc/mounts, one can read for the rootfs on / a size= value, which
seems to be half the memory size. That's probably the culprit, perhaps
it can be worked around somehow for d-i at least.