On Sat, Jun 06, 2020 at 09:30:38PM +0200, Lukas Straub wrote: > On Mon, 25 May 2020 17:44:12 +0200 > Lukas Straub <[email protected]> wrote: > > > Hello Everyone, > > In many cases, if qemu has a network connection (qmp, migration, chardev, > > etc.) > > to some other server and that server dies or hangs, qemu hangs too. > > These patches introduce the new 'yank' out-of-band qmp command to recover > > from > > these kinds of hangs. The different subsystems register callbacks which get > > executed with the yank command. For example the callback can shutdown() a > > socket. This is intended for the colo use-case, but it can be used for other > > things too of course. > > > > Regards, > > Lukas Straub > > Hello Everyone, > Can this be reviewed, it would be cool to have this in qemu 5.1.
Please see my reply to a previous version. Code that executes in the oob environment needs to take special precautions, this needs to be documented so that yank API users know what the limitations are. Stefan
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