[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] savevm: Improve error message for blocked migra
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH] savevm: Improve error message for blocked migration |
Date: |
Thu, 12 Feb 2015 17:05:17 +0000 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Tue, Feb 10, 2015 at 02:25:02PM +0100, Kevin Wolf wrote:
> If an internal snapshot can't be saved because migration is blocked
> (most commonly probably because of AHCI), we had a really bad error
> message:
>
> $ echo -e "savevm foo\nquit" | qemu -M q35 /tmp/test.qcow2 -monitor stdio
> QEMU 2.2.50 monitor - type 'help' for more information
> (qemu) savevm foo
> Error -22 while writing VM
> (qemu) quit
>
> This patch converts qemu_savevm_state() to the Error infrastructure so
> that a useful error pointing to the problematic device is produced now:
>
> $ echo -e "savevm foo\nquit" | qemu -M q35 /tmp/test.qcow2 -monitor stdio
> QEMU 2.2.50 monitor - type 'help' for more information
> (qemu) savevm foo
> State blocked by non-migratable device '0000:00:1f.2/ich9_ahci'
> (qemu) quit
>
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
> savevm.c | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)
Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block
Stefan
pgpvuzsj2ZNVl.pgp
Description: PGP signature