Re: linux-next: Tree for May 2 [WARNING: at fs/dcache.c]

From: Sergey Senozhatsky
Date: Mon May 02 2016 - 06:14:06 EST


On (05/02/16 18:40), Stephen Rothwell wrote:
> Hi all,
>
> Changes since 20160429

Hello,

[ 0.368791] ------------[ cut here ]------------
[ 0.368850] WARNING: CPU: 0 PID: 1 at fs/dcache.c:1688 d_set_d_op+0x5e/0xcc
[ 0.368911] Modules linked in:
[ 0.369002] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.6.0-rc6-next-20160502-dbg-00005-gf58c9da-dirty #404
[ 0.369161] 0000000000000000 ffff880133067908 ffffffff811b8202 0000000000000000
[ 0.369371] 0000000000000000 ffff880133067948 ffffffff81039365 00000698e5dffe26
[ 0.369580] ffff880132c090c0 ffffffff81613680 ffff880132c040a0 ffff880132c08000
[ 0.369791] Call Trace:
[ 0.369846] [<ffffffff811b8202>] dump_stack+0x4d/0x63
[ 0.369904] [<ffffffff81039365>] __warn+0xb8/0xd3
[ 0.369962] [<ffffffff810393e6>] warn_slowpath_null+0x18/0x1a
[ 0.370021] [<ffffffff811012f6>] d_set_d_op+0x5e/0xcc
[ 0.370079] [<ffffffff8110d887>] simple_lookup+0x2e/0x45
[ 0.370137] [<ffffffff810f6fbf>] lookup_slow+0xdb/0x12d
[ 0.370197] [<ffffffff818915d0>] ? initrd_load+0x3f/0x3f
[ 0.370255] [<ffffffff810f86b6>] walk_component+0xc2/0x201
[ 0.370313] [<ffffffff810f7cec>] ? path_init+0x169/0x2a4
[ 0.370371] [<ffffffff810f9083>] path_lookupat+0x7e/0xff
[ 0.370429] [<ffffffff810f917c>] filename_lookup+0x78/0xd4
[ 0.370489] [<ffffffff8104f172>] ? atomic_notifier_call_chain+0xf/0x11
[ 0.370551] [<ffffffff81244346>] ? notify_update+0x29/0x2b
[ 0.370609] [<ffffffff81245d24>] ? vt_console_print+0x2f3/0x302
[ 0.370668] [<ffffffff810f74a9>] ? getname_flags+0x48/0x15a
[ 0.370726] [<ffffffff810fa525>] user_path_at_empty+0x32/0x38
[ 0.370785] [<ffffffff810fa525>] ? user_path_at_empty+0x32/0x38
[ 0.370845] [<ffffffff810f3432>] vfs_fstatat+0x4c/0x87
[ 0.370903] [<ffffffff810ad7ba>] ? get_page_from_freelist+0x567/0x6f1
[ 0.370963] [<ffffffff810f349e>] vfs_lstat+0x19/0x1b
[ 0.371021] [<ffffffff810f356d>] SyS_newlstat+0x15/0x2e
[ 0.371079] [<ffffffff811be1b3>] ? simple_strtoull+0x2c/0x48
[ 0.371138] [<ffffffff818917de>] clean_path+0x20/0x5e
[ 0.371196] [<ffffffff811be1d8>] ? simple_strtoul+0x9/0xb
[ 0.371254] [<ffffffff81891a5f>] ? parse_header+0x2d/0xda
[ 0.371313] [<ffffffff81892219>] do_name+0x75/0x27a
[ 0.371370] [<ffffffff81891705>] write_buffer+0x23/0x34
[ 0.371428] [<ffffffff8189174a>] flush_buffer+0x34/0x8c
[ 0.371487] [<ffffffff818ae483>] __gunzip+0x268/0x308
[ 0.371545] [<ffffffff818ae211>] ? decompress_method+0x66/0x66
[ 0.371604] [<ffffffff81891716>] ? write_buffer+0x34/0x34
[ 0.371662] [<ffffffff81890812>] ? set_debug_rodata+0x12/0x12
[ 0.371721] [<ffffffff818ae534>] gunzip+0x11/0x13
[ 0.371778] [<ffffffff818915d0>] ? initrd_load+0x3f/0x3f
[ 0.371837] [<ffffffff81891e81>] unpack_to_rootfs+0x13b/0x257
[ 0.371896] [<ffffffff818915d0>] ? initrd_load+0x3f/0x3f
[ 0.371954] [<ffffffff818920a1>] ? maybe_link.part.2+0x104/0x104
[ 0.372013] [<ffffffff818920b9>] populate_rootfs+0x18/0x103
[ 0.372072] [<ffffffff818920a1>] ? maybe_link.part.2+0x104/0x104
[ 0.372132] [<ffffffff81000417>] do_one_initcall+0x8b/0x10e
[ 0.372191] [<ffffffff81890812>] ? set_debug_rodata+0x12/0x12
[ 0.372250] [<ffffffff81890f6c>] kernel_init_freeable+0x11e/0x1a6
[ 0.372311] [<ffffffff8144293f>] kernel_init+0x9/0xeb
[ 0.372369] [<ffffffff81446c92>] ret_from_fork+0x22/0x40
[ 0.372428] [<ffffffff81442936>] ? rest_init+0x7d/0x7d
[ 0.372503] ---[ end trace ce49db5ed97cc037 ]---
[ 0.372589] Unpacking initramfs...

-ss