[Qemu-devel] Re: [PATCH] vmstate: Avoid seeking

[Juan Quintela]

Jan Kiszka <address@hidden> wrote:
> Seeking on vmstate save/load does not work if the underlying file is a
> stream. We could try to make all QEMUFile* forward-seek-aware, but first
> attempts in this direction indicated that it's saner to convert the few
> qemu_fseek-on-vmstates users to plain reads/writes.
>
> This fixes various subtle vmstate corruptions where unused fields were
> involved.
>
> Signed-off-by: Jan Kiszka <address@hidden>

Something changed lately.  This used to work, and I also waste^spend
yesterday trying to understand why it was failing to me.

I am splitting the patch in virtio-net and savevm parts.  (In my tree
virtio-net don't use fseek anymore).

Thanks for finding the bug.

Later, Juan.