Am 04.04.2017 um 17:09 hat Paolo Bonzini geschrieben: > On 04/04/2017 16:53, Kevin Wolf wrote: > >> The big question is how this fits into release management. We have > >> another important regression from the op blocker work and only a week > >> to go before the last rc. Are we going to delay 2.9 arbitrarily? Are > >> we going to shorten the 2.10 development period correspondingly? (I > >> vote yes and yes, FWIW). > > Which is the other regression? > > The assertion failure for snapshot_blkdev with iothreads.
Ah, right, I keep forgetting that this started appearing with the op blocker series because the failure mode is completely different, so it seems to have been a latent bug somewhere else that was uncovered by it. If we're sure that the change of the order in bdrv_append() is what caused the bug to appear, we can just undo that for 2.9, at the cost of a messed up graph in the error case when bdrv_set_backing_hd() fails (because we have no way to undo bdrv_replace_node()). Kevin
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