On 1 February 2018 at 17:36, sridhar kulkarni <sridhar_k...@yahoo.com> wrote: > Sorry I meant to say arm a7. We are using a custom board "arm-machine" which > is based on Vexpress-a15 but we use a7 core. I learnt reading through web > sources that A7 emulation is not supported in qemu. Is this causing this > behaviour? But in general we are able to run all our code on this virtual > board without any issues. While doing snapshot, this problem is seen.
I can't really help if you're using a custom QEMU. If you can reproduce this with upstream QEMU then we can certainly take a look at it. Otherwise, the problem is very likely in whatever the custom modifications are. It should not be too hard for whoever is responsible for those changes to track down the problem (which is probably a new coprocessor register definition that doesn't have the right flags on it), so I would talk to them about this issue. thanks -- PMM