Am 12.06.2017 um 15:47 hat Stefan Hajnoczi geschrieben: > On Mon, May 22, 2017 at 02:57:00PM +0100, Stefan Hajnoczi wrote: > > v3: > > * Add missing bdrv_drain_all_end() in error code paths [Kevin] > > v2: > > * New patch to use bdrv_drain_all_begin/end() in savevm/loadvm [Kevin] > > (All other patches unchanged) > > > > The 'savevm' command hangs when -object iothread is used. See patches for > > details, but basically the vmstate read/write code didn't conform to the > > latest > > block layer locking rules. > > > > Stefan Hajnoczi (4): > > block: count bdrv_co_rw_vmstate() requests > > block: use BDRV_POLL_WHILE() in bdrv_rw_vmstate() > > migration: avoid recursive AioContext locking in save_vmstate() > > migration: use bdrv_drain_all_begin/end() instead bdrv_drain_all() > > > > block/io.c | 21 +++++++++++++-------- > > migration/savevm.c | 30 ++++++++++++++++++++++++++---- > > 2 files changed, 39 insertions(+), 12 deletions(-) > > Ping ^ 2
Thanks, applied to the block branch. Kevin
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