On 2018/11/14 上午1:58, Filipe Manana wrote: > On Tue, Nov 13, 2018 at 5:08 PM David Sterba <dste...@suse.cz> wrote: >> >> On Mon, Nov 12, 2018 at 10:33:33PM +0100, David Sterba wrote: >>> On Thu, Nov 08, 2018 at 01:49:12PM +0800, Qu Wenruo wrote: >>>> This patchset can be fetched from github: >>>> https://github.com/adam900710/linux/tree/qgroup_delayed_subtree_rebased >>>> >>>> Which is based on v4.20-rc1. >>> >>> Thanks, I'll add it to for-next soon. >> >> During test generic/517, the logs were full of the warning below. The >> reference >> test on current master, effectively misc-4.20 which was used as base of your >> branch did not get the warning. >> >> [11540.167829] BTRFS: end < start 2519039 2519040 >> [11540.170513] WARNING: CPU: 1 PID: 539 at fs/btrfs/extent_io.c:436 >> insert_state+0xd8/0x100 [btrfs] >> [11540.174411] Modules linked in: dm_thin_pool dm_persistent_data dm_bufio >> dm_bio_prison btrfs libcrc32c xor zstd_decompress zstd_compress xxhash >> raid6_pq dm_mod loop [last unloaded: libcrc32c] >> [11540.178279] CPU: 1 PID: 539 Comm: xfs_io Tainted: G D W >> 4.20.0-rc1-default+ #329 >> [11540.180616] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS >> rel-1.11.2-0-gf9626cc-prebuilt.qemu-project.org 04/01/2014 >> [11540.183754] RIP: 0010:insert_state+0xd8/0x100 [btrfs] >> [11540.189173] RSP: 0018:ffffa0d245eafb20 EFLAGS: 00010282 >> [11540.189885] RAX: 0000000000000000 RBX: ffff9f0bb3267320 RCX: >> 0000000000000000 >> [11540.191646] RDX: 0000000000000002 RSI: 0000000000000001 RDI: >> ffffffffa40c400d >> [11540.192942] RBP: 0000000000266fff R08: 0000000000000001 R09: >> 0000000000000000 >> [11540.193871] R10: 0000000000000000 R11: ffffffffa629da2d R12: >> ffff9f0ba0281c60 >> [11540.195527] R13: 0000000000267000 R14: ffffa0d245eafb98 R15: >> ffffa0d245eafb90 >> [11540.197026] FS: 00007fa338eb4b80(0000) GS:ffff9f0bbd600000(0000) >> knlGS:0000000000000000 >> [11540.198251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [11540.199698] CR2: 00007fa33873bfb8 CR3: 000000006fb6e000 CR4: >> 00000000000006e0 >> [11540.201428] Call Trace: >> [11540.202164] __set_extent_bit+0x43b/0x5b0 [btrfs] >> [11540.203223] lock_extent_bits+0x5d/0x210 [btrfs] >> [11540.204346] ? _raw_spin_unlock+0x24/0x40 >> [11540.205381] ? test_range_bit+0xdf/0x130 [btrfs] >> [11540.206573] lock_extent_range+0xb8/0x150 [btrfs] >> [11540.207696] btrfs_double_extent_lock+0x78/0xb0 [btrfs] >> [11540.208988] btrfs_extent_same_range+0x131/0x4e0 [btrfs] >> [11540.210237] btrfs_remap_file_range+0x337/0x350 [btrfs] >> [11540.211448] vfs_dedupe_file_range_one+0x141/0x150 >> [11540.212622] vfs_dedupe_file_range+0x146/0x1a0 >> [11540.213795] do_vfs_ioctl+0x520/0x6c0 >> [11540.214711] ? __fget+0x109/0x1e0 >> [11540.215616] ksys_ioctl+0x3a/0x70 >> [11540.216233] __x64_sys_ioctl+0x16/0x20 >> [11540.216860] do_syscall_64+0x54/0x180 >> [11540.217409] entry_SYSCALL_64_after_hwframe+0x49/0xbe >> [11540.218126] RIP: 0033:0x7fa338a4daa7 > > That's the infinite loop issue fixed by one of the patches submitted > for 4.20-rc2: > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v4.20-rc2&id=11023d3f5fdf89bba5e1142127701ca6e6014587 > > The branch you used for testing doesn't have that fix?
Yep, I tried v4.20-rc1 tag, which hits tons of such warning even without my patchset. So it shouldn't be my patches causing the problem. Thanks, Qu > >> > >
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