Hi, I just got the below kmemleak report. Just thought I'd send it out as I don't have time to look into it just now... -- unreferenced object 0xffff8ab236717920 (size 32): comm "swapper/0", pid 1, jiffies 4294892551 (age 9966.044s) hex dump (first 32 bytes): 20 79 71 36 b2 8a ff ff 20 79 71 36 b2 8a ff ff yq6.... yq6.... 00 00 00 00 ff ff ff ff e0 c1 4b 9b ff ff ff ff ..........K..... backtrace: [<ffffffff9b84212a>] kmemleak_alloc+0x4a/0xa0 [<ffffffff9b1ff780>] kmem_cache_alloc_trace+0x110/0x230 [<ffffffff9b3cd74f>] blk_alloc_queue_stats+0x1f/0x40 [<ffffffff9b3bacd4>] blk_alloc_queue_node+0x94/0x2e0 [<ffffffff9b3cbdd0>] blk_mq_init_queue+0x20/0x60 [<ffffffff9b593665>] loop_add+0xe5/0x270 [<ffffffff9bfe348b>] loop_init+0x10b/0x149 [<ffffffff9b002193>] do_one_initcall+0x53/0x1a0 [<ffffffff9bf8b133>] kernel_init_freeable+0x16d/0x1f3 [<ffffffff9b83ed0e>] kernel_init+0xe/0x100 [<ffffffff9b84d27c>] ret_from_fork+0x2c/0x40 [<ffffffffffffffff>] 0xffffffffffffffff unreferenced object 0xffff8ab23666d440 (size 32): comm "swapper/0", pid 1, jiffies 4294892552 (age 9966.040s) hex dump (first 32 bytes): 40 d4 66 36 b2 8a ff ff 40 d4 66 36 b2 8a ff ff @.f6....@.f6.... 00 00 00 00 00 00 00 00 2a 21 84 9b ff ff ff ff ........*!...... backtrace: [<ffffffff9b84212a>] kmemleak_alloc+0x4a/0xa0 [<ffffffff9b1ff780>] kmem_cache_alloc_trace+0x110/0x230 [<ffffffff9b3cd74f>] blk_alloc_queue_stats+0x1f/0x40 [<ffffffff9b3bacd4>] blk_alloc_queue_node+0x94/0x2e0 [<ffffffff9b3cbdd0>] blk_mq_init_queue+0x20/0x60 [<ffffffff9b596382>] virtblk_probe+0x172/0x700 [<ffffffff9b4e3193>] virtio_dev_probe+0x143/0x1f0 [<ffffffff9b56eb7f>] driver_probe_device+0x2bf/0x460 [<ffffffff9b56edff>] __driver_attach+0xdf/0xf0 [<ffffffff9b56c914>] bus_for_each_dev+0x64/0xa0 [<ffffffff9b56e3ce>] driver_attach+0x1e/0x20 [<ffffffff9b56decd>] bus_add_driver+0x1fd/0x270 [<ffffffff9b56f910>] driver_register+0x60/0xe0 [<ffffffff9b4e2e10>] register_virtio_driver+0x20/0x30 [<ffffffff9bfe351a>] init+0x51/0x7e [<ffffffff9b002193>] do_one_initcall+0x53/0x1a0 --