[Resend because mail with 100kB attachment was probably redirected to Dave Null by mailinglist MTA] Hi again, Shortly: fresh kernel with last tier fixes. # bcache format --force --tier 0 /dev/sde1 --tier 1 /dev/sdd1 --btree_node=262144 UUID: b968d0b6-d024-4371-be9c-1b0ef9015b89 Set UUID: 48c3f74a-b0ca-4fdc-b7eb-00f4def3ffeb version: 6 nbuckets: 81920 block_size: 1 bucket_size: 256 nr_in_set: 2 nr_this_dev: 0 first_bucket: 8 UUID: 7262354d-1cfc-4994-b3ca-e855ef25f6f2 Set UUID: 48c3f74a-b0ca-4fdc-b7eb-00f4def3ffeb version: 6 nbuckets: 5723193 block_size: 1 bucket_size: 512 nr_in_set: 2 nr_this_dev: 1 first_bucket: 4 # mount -t bcache -o verbose_recovery,nofsck /dev/sde1:/dev/sdd1 /mnt/test/ ... hangs forever. dmesg: [ 600.320038] INFO: task mount:3069 blocked for more than 120 seconds. [ 600.320044] Not tainted 4.7.0+ #12 [ 600.320046] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 600.320049] mount D ffff880034a4bb50 0 3069 2231 0x00000000 [ 600.320055] ffff880034a4bb50 ffff88003e144f80 ffff8800336d0000 ffff88003cb37900 [ 600.320060] ffff880034a4c000 fffffffffffffff5 ffff880034d20000 ffff880034a4bc30 [ 600.320064] 0000000000000000 ffff880034a4bb68 ffffffff814622f0 ffff8800336d0000 [ 600.320069] Call Trace: [ 600.320077] [<ffffffff814622f0>] schedule+0x30/0x80 [ 600.320114] [<ffffffffa030d325>] __closure_sync+0x55/0xd30 [bcache] [ 600.320134] [<ffffffffa02d33d0>] bch_btree_root_alloc+0xe0/0xf0 [bcache] [ 600.320156] [<ffffffffa02d8740>] ? bch_io_clock_init+0x90/0x90 [bcache] [ 600.320179] [<ffffffffa02fe459>] run_cache_set+0x789/0x9c0 [bcache] [ 600.320201] [<ffffffffa02f2de5>] ? bch_scan_keylist_init+0x95/0xa0 [bcache] [ 600.320223] [<ffffffffa02fc95c>] ? cache_alloc+0x91c/0x930 [bcache] [ 600.320246] [<ffffffffa02ff0b7>] bch_register_cache_set+0x277/0x2f0 [bcache] [ 600.320268] [<ffffffffa02e3e06>] ? bch_mount+0x266/0x4c0 [bcache] [ 600.320290] [<ffffffffa02e3e98>] bch_mount+0x2f8/0x4c0 [bcache] [ 600.320295] [<ffffffff8116069f>] mount_fs+0xf/0x90 [ 600.320299] [<ffffffff8117a852>] vfs_kern_mount+0x62/0x100 [ 600.320303] [<ffffffff8117cb39>] do_mount+0x1e9/0xd10 [ 600.320308] [<ffffffff811551e7>] ? __kmalloc_track_caller+0x117/0x190 [ 600.320311] [<ffffffff8117d980>] SyS_mount+0x90/0xd0 [ 600.320316] [<ffffffff81465f9f>] entry_SYSCALL_64_fastpath+0x17/0x93 [...] # echo t >/proc/sysrq-trigger dmesg is here -> https://paste.pound-python.org/show/fMRDxddiJIWprLBguDIQ/ Marcin -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
