On 9/17/19 7:40 AM, Peter Maydell wrote: > On Tue, 17 Sep 2019 at 11:49, Philippe Mathieu-Daudé <phi...@redhat.com> > wrote: >> >> Cc'ing PPC folks and Laurent. >> >> On 9/16/19 11:06 PM, Niccolò Belli wrote: >>> Hi, >>> I'm trying to use qemu-user-static to chroot into a foreign amd64 >>> environment from my ppc64le host. >>> The host has a 64k page size, while x86_64 uses 4k. >>> I get those errors while loading shared libraries: "ELF load command >>> alignment not page-aligned" >>> Is there any way to fix this? I cannot simply switch to 4k page size >>> because my btrfs filesystem won't mount anymore (it requires the >>> sectorsize to be equal to the page size). > > I vaguely recall that the answer is that we don't really > support running a linux-user guest which has a smaller page > size than the host. There are some sort-of-hacks in the code, > so some simple cases might more-or-less work, but I'm not > very surprised that you've run into something that doesn't > work. > > Cc:ing Richard who probably has a more accurate answer.
You are correct that this combination will not work. This combination is exactly why I've proposed enabling softmmu for linux-user. With that, arbitrary mappings can be made between host and guest. But it's a fair amount of effort, which no one has yet found time for. r~
