[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] migration: QEMU aborts migration of "none" machine

From: Thomas Huth
Subject: Re: [Qemu-devel] migration: QEMU aborts migration of "none" machine
Date: Wed, 25 Jan 2017 11:53:06 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0

On 25.01.2017 11:01, Ashijeet Acharya wrote:
> Hi Thomas,
> I was able to reproduce the bug you encountered while trying to migrate
> a "none" machine.
> After digging deep and debugging the problem with gdb, I found that
> bitmap_new() is the function that crashes qemu as it always has
> zero bits being passed to it.
> I had a discussion with Dave on the IRC yesterday and he suggested the
> reason of crash being the absence of RAM ( since machine is "none")
> while attempting the migration.
> I am not sure what the ideal solution will be in this case; Do any of
> the maintainers have any suggestions or even a starting point which I
> can ponder upon?

I'm not that familiar with the migration code either, but maybe you
could simply check for last_ram_offset() == 0 at the beginning of
ram_save_setup() and return with an error in that case?


reply via email to

[Prev in Thread] Current Thread [Next in Thread]