On Mon, 2018-03-05 at 10:44 +0100, Jean-Louis Dupond wrote: > Maby a long shot, but could it be fixed by > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/drivers/block/loop.c?h=v4.9.86&id=56bc086358cac1a2949783646eabd57447b9d672 > ? > Or shouldn't that fix such kind of issues? > > It seems like some kind of race condition, cause it happens so random > and not on a specific action. Hello Jean-Louis, Have you already tested any of the kernel versions shown below? All these kernel versions should include that fix: $ git tag --contains 56bc086358cac1a2949783646eabd57447b9d672 v4.9.80 v4.9.81 v4.9.82 v4.9.83 v4.9.84 v4.9.85 v4.9.86 $ git tag --contains ae6650163c66a7eff1acd6eb8b0f752dcfa8eba5 v4.15 v4.15.1 v4.15.2 v4.15.3 v4.15.4 v4.15.5 v4.15.6 v4.15.7 Thanks, Bart.