From: Byungchul Park <byungchul.park@lge.com>
To: torvalds@linux-foundation.org
Cc: damien.lemoal@opensource.wdc.com, linux-ide@vger.kernel.org,
adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org,
mingo@redhat.com, linux-kernel@vger.kernel.org,
peterz@infradead.org, will@kernel.org, tglx@linutronix.de,
rostedt@goodmis.org, joel@joelfernandes.org, sashal@kernel.org,
daniel.vetter@ffwll.ch, chris@chris-wilson.co.uk,
duyuyang@gmail.com, johannes.berg@intel.com, tj@kernel.org,
tytso@mit.edu, willy@infradead.org, david@fromorbit.com,
amir73il@gmail.com, bfields@fieldses.org,
gregkh@linuxfoundation.org, kernel-team@lge.com,
linux-mm@kvack.org, akpm@linux-foundation.org, mhocko@kernel.org,
minchan@kernel.org, hannes@cmpxchg.org, vdavydov.dev@gmail.com,
sj@kernel.org, jglisse@redhat.com, dennis@kernel.org,
cl@linux.com, penberg@kernel.org, rientjes@google.com,
vbabka@suse.cz, ngupta@vflare.org, linux-block@vger.kernel.org,
axboe@kernel.dk, paolo.valente@linaro.org, josef@toxicpanda.com,
linux-fsdevel@vger.kernel.org, viro@zeniv.linux.org.uk,
jack@suse.cz, jack@suse.com, jlayton@kernel.org,
dan.j.williams@intel.com, hch@infradead.org, djwong@kernel.org,
dri-devel@lists.freedesktop.org, airlied@linux.ie,
rodrigosiqueiramelo@gmail.com, melissa.srw@gmail.com,
hamohammed.sa@gmail.com
Subject: Report 1 in ext4 and journal based on v5.17-rc1
Date: Thu, 17 Feb 2022 20:10:03 +0900 [thread overview]
Message-ID: <1645096204-31670-1-git-send-email-byungchul.park@lge.com> (raw)
In-Reply-To: <1645095472-26530-1-git-send-email-byungchul.park@lge.com>
[ 7.009608] ===================================================
[ 7.009613] DEPT: Circular dependency has been detected.
[ 7.009614] 5.17.0-rc1-00014-g8a599299c0cb-dirty #30 Tainted: G W
[ 7.009616] ---------------------------------------------------
[ 7.009617] summary
[ 7.009618] ---------------------------------------------------
[ 7.009618] *** DEADLOCK ***
[ 7.009618]
[ 7.009619] context A
[ 7.009619] [S] (unknown)(&(bit_wait_table + i)->dmap:0)
[ 7.009621] [W] down_write(&ei->i_data_sem:0)
[ 7.009623] [E] event(&(bit_wait_table + i)->dmap:0)
[ 7.009624]
[ 7.009625] context B
[ 7.009625] [S] down_read(&ei->i_data_sem:0)
[ 7.009626] [W] wait(&(bit_wait_table + i)->dmap:0)
[ 7.009627] [E] up_read(&ei->i_data_sem:0)
[ 7.009628]
[ 7.009629] [S]: start of the event context
[ 7.009629] [W]: the wait blocked
[ 7.009630] [E]: the event not reachable
[ 7.009631] ---------------------------------------------------
[ 7.009631] context A's detail
[ 7.009632] ---------------------------------------------------
[ 7.009632] context A
[ 7.009633] [S] (unknown)(&(bit_wait_table + i)->dmap:0)
[ 7.009634] [W] down_write(&ei->i_data_sem:0)
[ 7.009635] [E] event(&(bit_wait_table + i)->dmap:0)
[ 7.009636]
[ 7.009636] [S] (unknown)(&(bit_wait_table + i)->dmap:0):
[ 7.009638] (N/A)
[ 7.009638]
[ 7.009639] [W] down_write(&ei->i_data_sem:0):
[ 7.009639] ext4_truncate (fs/ext4/inode.c:4187)
[ 7.009645] stacktrace:
[ 7.009646] down_write (kernel/locking/rwsem.c:1514)
[ 7.009648] ext4_truncate (fs/ext4/inode.c:4187)
[ 7.009650] ext4_da_write_begin (./include/linux/fs.h:827 fs/ext4/truncate.h:23 fs/ext4/inode.c:2963)
[ 7.009652] generic_perform_write (mm/filemap.c:3784)
[ 7.009654] ext4_buffered_write_iter (fs/ext4/file.c:269)
[ 7.009657] ext4_file_write_iter (fs/ext4/file.c:677)
[ 7.009659] new_sync_write (fs/read_write.c:504 (discriminator 1))
[ 7.009662] vfs_write (fs/read_write.c:590)
[ 7.009663] ksys_write (fs/read_write.c:644)
[ 7.009664] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
[ 7.009667] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:113)
[ 7.009669]
[ 7.009670] [E] event(&(bit_wait_table + i)->dmap:0):
[ 7.009671] __wake_up_common (kernel/sched/wait.c:108)
[ 7.009673] stacktrace:
[ 7.009674] dept_event (kernel/dependency/dept.c:2337)
[ 7.009677] __wake_up_common (kernel/sched/wait.c:109)
[ 7.009678] __wake_up_common_lock (./include/linux/spinlock.h:428 (discriminator 1) kernel/sched/wait.c:141 (discriminator 1))
[ 7.009679] __wake_up_bit (kernel/sched/wait_bit.c:127)
[ 7.009681] ext4_orphan_del (fs/ext4/orphan.c:282)
[ 7.009683] ext4_truncate (fs/ext4/inode.c:4212)
[ 7.009685] ext4_da_write_begin (./include/linux/fs.h:827 fs/ext4/truncate.h:23 fs/ext4/inode.c:2963)
[ 7.009687] generic_perform_write (mm/filemap.c:3784)
[ 7.009688] ext4_buffered_write_iter (fs/ext4/file.c:269)
[ 7.009690] ext4_file_write_iter (fs/ext4/file.c:677)
[ 7.009692] new_sync_write (fs/read_write.c:504 (discriminator 1))
[ 7.009694] vfs_write (fs/read_write.c:590)
[ 7.009695] ksys_write (fs/read_write.c:644)
[ 7.009696] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
[ 7.009698] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:113)
[ 7.009700] ---------------------------------------------------
[ 7.009700] context B's detail
[ 7.009701] ---------------------------------------------------
[ 7.009702] context B
[ 7.009702] [S] down_read(&ei->i_data_sem:0)
[ 7.009703] [W] wait(&(bit_wait_table + i)->dmap:0)
[ 7.009704] [E] up_read(&ei->i_data_sem:0)
[ 7.009705]
[ 7.009706] [S] down_read(&ei->i_data_sem:0):
[ 7.009707] ext4_map_blocks (./arch/x86/include/asm/bitops.h:207 ./include/asm-generic/bitops/instrumented-non-atomic.h:135 fs/ext4/ext4.h:1918 fs/ext4/inode.c:562)
[ 7.009709] stacktrace:
[ 7.009709] down_read (kernel/locking/rwsem.c:1461)
[ 7.009711] ext4_map_blocks (./arch/x86/include/asm/bitops.h:207 ./include/asm-generic/bitops/instrumented-non-atomic.h:135 fs/ext4/ext4.h:1918 fs/ext4/inode.c:562)
[ 7.009712] ext4_getblk (fs/ext4/inode.c:851)
[ 7.009714] ext4_bread (fs/ext4/inode.c:903)
[ 7.009715] __ext4_read_dirblock (fs/ext4/namei.c:117)
[ 7.009718] dx_probe (fs/ext4/namei.c:789)
[ 7.009720] ext4_dx_find_entry (fs/ext4/namei.c:1721)
[ 7.009722] __ext4_find_entry (fs/ext4/namei.c:1571)
[ 7.009723] ext4_lookup (fs/ext4/namei.c:1770)
[ 7.009725] lookup_open (./include/linux/dcache.h:361 fs/namei.c:3310)
[ 7.009727] path_openat (fs/namei.c:3401 fs/namei.c:3605)
[ 7.009729] do_filp_open (fs/namei.c:3637)
[ 7.009731] do_sys_openat2 (fs/open.c:1215)
[ 7.009732] do_sys_open (fs/open.c:1231)
[ 7.009734] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
[ 7.009736] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:113)
[ 7.009738]
[ 7.009738] [W] wait(&(bit_wait_table + i)->dmap:0):
[ 7.009739] prepare_to_wait (kernel/sched/wait.c:275)
[ 7.009741] stacktrace:
[ 7.009741] __schedule (kernel/sched/sched.h:1318 kernel/sched/sched.h:1616 kernel/sched/core.c:6213)
[ 7.009743] schedule (kernel/sched/core.c:6373 (discriminator 1))
[ 7.009744] io_schedule (./arch/x86/include/asm/current.h:15 kernel/sched/core.c:8392 kernel/sched/core.c:8418)
[ 7.009745] bit_wait_io (./arch/x86/include/asm/current.h:15 kernel/sched/wait_bit.c:210)
[ 7.009746] __wait_on_bit (kernel/sched/wait_bit.c:49)
[ 7.009748] out_of_line_wait_on_bit (kernel/sched/wait_bit.c:65)
[ 7.009749] ext4_read_bh (./arch/x86/include/asm/bitops.h:207 ./include/asm-generic/bitops/instrumented-non-atomic.h:135 ./include/linux/buffer_head.h:120 fs/ext4/super.c:201)
[ 7.009752] __read_extent_tree_block (fs/ext4/extents.c:545)
[ 7.009754] ext4_find_extent (fs/ext4/extents.c:928)
[ 7.009756] ext4_ext_map_blocks (fs/ext4/extents.c:4099)
[ 7.009757] ext4_map_blocks (fs/ext4/inode.c:563)
[ 7.009759] ext4_getblk (fs/ext4/inode.c:851)
[ 7.009760] ext4_bread (fs/ext4/inode.c:903)
[ 7.009762] __ext4_read_dirblock (fs/ext4/namei.c:117)
[ 7.009764] dx_probe (fs/ext4/namei.c:789)
[ 7.009765] ext4_dx_find_entry (fs/ext4/namei.c:1721)
[ 7.009767]
[ 7.009768] [E] up_read(&ei->i_data_sem:0):
[ 7.009769] ext4_map_blocks (fs/ext4/inode.c:593)
[ 7.009771] stacktrace:
[ 7.009771] up_read (kernel/locking/rwsem.c:1556)
[ 7.009774] ext4_map_blocks (fs/ext4/inode.c:593)
[ 7.009775] ext4_getblk (fs/ext4/inode.c:851)
[ 7.009777] ext4_bread (fs/ext4/inode.c:903)
[ 7.009778] __ext4_read_dirblock (fs/ext4/namei.c:117)
[ 7.009780] dx_probe (fs/ext4/namei.c:789)
[ 7.009782] ext4_dx_find_entry (fs/ext4/namei.c:1721)
[ 7.009784] __ext4_find_entry (fs/ext4/namei.c:1571)
[ 7.009786] ext4_lookup (fs/ext4/namei.c:1770)
[ 7.009788] lookup_open (./include/linux/dcache.h:361 fs/namei.c:3310)
[ 7.009789] path_openat (fs/namei.c:3401 fs/namei.c:3605)
[ 7.009791] do_filp_open (fs/namei.c:3637)
[ 7.009792] do_sys_openat2 (fs/open.c:1215)
[ 7.009794] do_sys_open (fs/open.c:1231)
[ 7.009795] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
[ 7.009797] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:113)
[ 7.009799] ---------------------------------------------------
[ 7.009800] information that might be helpful
[ 7.009800] ---------------------------------------------------
[ 7.009801] CPU: 0 PID: 611 Comm: rs:main Q:Reg Tainted: G W 5.17.0-rc1-00014-g8a599299c0cb-dirty #30
[ 7.009804] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
[ 7.009805] Call Trace:
[ 7.009806] <TASK>
[ 7.009807] dump_stack_lvl (lib/dump_stack.c:107)
[ 7.009809] print_circle (./arch/x86/include/asm/atomic.h:108 ./include/linux/atomic/atomic-instrumented.h:258 kernel/dependency/dept.c:157 kernel/dependency/dept.c:762)
[ 7.009812] ? print_circle (kernel/dependency/dept.c:1086)
[ 7.009814] cb_check_dl (kernel/dependency/dept.c:1104)
[ 7.009815] bfs (kernel/dependency/dept.c:860)
[ 7.009818] add_dep (kernel/dependency/dept.c:1423)
[ 7.009820] do_event.isra.25 (kernel/dependency/dept.c:1650)
[ 7.009822] ? __wake_up_common (kernel/sched/wait.c:108)
[ 7.009824] dept_event (kernel/dependency/dept.c:2337)
[ 7.009826] __wake_up_common (kernel/sched/wait.c:109)
[ 7.009828] __wake_up_common_lock (./include/linux/spinlock.h:428 (discriminator 1) kernel/sched/wait.c:141 (discriminator 1))
[ 7.009830] __wake_up_bit (kernel/sched/wait_bit.c:127)
[ 7.009832] ext4_orphan_del (fs/ext4/orphan.c:282)
[ 7.009835] ? dept_ecxt_exit (./arch/x86/include/asm/current.h:15 kernel/dependency/dept.c:241 kernel/dependency/dept.c:999 kernel/dependency/dept.c:1043 kernel/dependency/dept.c:2478)
[ 7.009837] ext4_truncate (fs/ext4/inode.c:4212)
[ 7.009839] ext4_da_write_begin (./include/linux/fs.h:827 fs/ext4/truncate.h:23 fs/ext4/inode.c:2963)
[ 7.009842] generic_perform_write (mm/filemap.c:3784)
[ 7.009845] ext4_buffered_write_iter (fs/ext4/file.c:269)
[ 7.009848] ext4_file_write_iter (fs/ext4/file.c:677)
[ 7.009851] new_sync_write (fs/read_write.c:504 (discriminator 1))
[ 7.009854] vfs_write (fs/read_write.c:590)
[ 7.009856] ksys_write (fs/read_write.c:644)
[ 7.009857] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:65)
[ 7.009860] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
[ 7.009862] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:113)
[ 7.009865] RIP: 0033:0x7f3b160b335d
[ 7.009867] Code: e1 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ce fa ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 17 fb ff ff 48 89 d0 48 83 c4 08 48 3d 01
All code
========
0: e1 20 loope 0x22
2: 00 00 add %al,(%rax)
4: 75 10 jne 0x16
6: b8 01 00 00 00 mov $0x1,%eax
b: 0f 05 syscall
d: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax
13: 73 31 jae 0x46
15: c3 retq
16: 48 83 ec 08 sub $0x8,%rsp
1a: e8 ce fa ff ff callq 0xfffffffffffffaed
1f: 48 89 04 24 mov %rax,(%rsp)
23: b8 01 00 00 00 mov $0x1,%eax
28: 0f 05 syscall
2a:* 48 8b 3c 24 mov (%rsp),%rdi <-- trapping instruction
2e: 48 89 c2 mov %rax,%rdx
31: e8 17 fb ff ff callq 0xfffffffffffffb4d
36: 48 89 d0 mov %rdx,%rax
39: 48 83 c4 08 add $0x8,%rsp
3d: 48 rex.W
3e: 3d .byte 0x3d
3f: 01 .byte 0x1
Code starting with the faulting instruction
===========================================
0: 48 8b 3c 24 mov (%rsp),%rdi
4: 48 89 c2 mov %rax,%rdx
7: e8 17 fb ff ff callq 0xfffffffffffffb23
c: 48 89 d0 mov %rdx,%rax
f: 48 83 c4 08 add $0x8,%rsp
13: 48 rex.W
14: 3d .byte 0x3d
15: 01 .byte 0x1
[ 7.009869] RSP: 002b:00007f3b1340f180 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 7.009871] RAX: ffffffffffffffda RBX: 00007f3b040010a0 RCX: 00007f3b160b335d
[ 7.009873] RDX: 0000000000000300 RSI: 00007f3b040010a0 RDI: 0000000000000001
[ 7.009874] RBP: 0000000000000000 R08: fffffffffffffa15 R09: fffffffffffffa05
[ 7.009875] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3b04000df0
[ 7.009876] R13: 00007f3b1340f1a0 R14: 0000000000000220 R15: 0000000000000300
[ 7.009879] </TASK>
next prev parent reply other threads:[~2022-02-17 11:10 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-17 10:57 [PATCH 00/16] DEPT(Dependency Tracker) Byungchul Park
2022-02-17 10:57 ` [PATCH 01/16] llist: Move llist_{head,node} definition to types.h Byungchul Park
2022-02-17 10:57 ` [PATCH 02/16] dept: Implement Dept(Dependency Tracker) Byungchul Park
2022-02-17 15:54 ` Steven Rostedt
2022-02-17 17:36 ` Steven Rostedt
2022-02-18 6:09 ` Byungchul Park
2022-02-17 19:46 ` kernel test robot
2022-02-17 19:46 ` kernel test robot
2022-02-17 10:57 ` [PATCH 03/16] dept: Embed Dept data in Lockdep Byungchul Park
2022-02-17 10:57 ` [PATCH 04/16] dept: Apply Dept to spinlock Byungchul Park
2022-02-17 10:57 ` [PATCH 05/16] dept: Apply Dept to mutex families Byungchul Park
2022-02-17 10:57 ` [PATCH 06/16] dept: Apply Dept to rwlock Byungchul Park
2022-02-17 10:57 ` [PATCH 07/16] dept: Apply Dept to wait_for_completion()/complete() Byungchul Park
2022-02-17 19:46 ` kernel test robot
2022-02-17 10:57 ` [PATCH 08/16] dept: Apply Dept to seqlock Byungchul Park
2022-02-17 10:57 ` [PATCH 09/16] dept: Apply Dept to rwsem Byungchul Park
2022-02-17 10:57 ` [PATCH 10/16] dept: Add proc knobs to show stats and dependency graph Byungchul Park
2022-02-17 15:55 ` Steven Rostedt
2022-02-17 10:57 ` [PATCH 11/16] dept: Introduce split map concept and new APIs for them Byungchul Park
2022-02-17 10:57 ` [PATCH 12/16] dept: Apply Dept to wait/event of PG_{locked,writeback} Byungchul Park
2022-02-17 10:57 ` [PATCH 13/16] dept: Apply SDT to swait Byungchul Park
2022-02-17 10:57 ` [PATCH 14/16] dept: Apply SDT to wait(waitqueue) Byungchul Park
2022-02-17 10:57 ` [PATCH 15/16] locking/lockdep, cpu/hotplus: Use a weaker annotation in AP thread Byungchul Park
2022-02-17 10:57 ` [PATCH 16/16] dept: Distinguish each syscall context from another Byungchul Park
2022-02-17 11:10 ` Byungchul Park [this message]
2022-02-17 11:10 ` Report 2 in ext4 and journal based on v5.17-rc1 Byungchul Park
2022-02-21 19:02 ` Jan Kara
2022-02-23 0:35 ` Byungchul Park
2022-02-23 14:48 ` Jan Kara
2022-02-24 1:11 ` Byungchul Park
2022-02-24 10:22 ` Jan Kara
2022-02-28 9:28 ` Byungchul Park
2022-02-28 10:14 ` Jan Kara
2022-02-28 21:25 ` Theodore Ts'o
2022-03-03 1:36 ` Byungchul Park
2022-03-03 1:00 ` Byungchul Park
2022-03-03 2:32 ` Theodore Ts'o
2022-03-03 5:23 ` Byungchul Park
2022-03-03 14:36 ` Theodore Ts'o
2022-03-04 0:42 ` Byungchul Park
2022-03-05 3:26 ` Theodore Ts'o
2022-03-05 14:15 ` Byungchul Park
2022-03-05 15:05 ` Joel Fernandes
2022-03-07 2:43 ` Byungchul Park
2022-03-04 3:20 ` Byungchul Park
2022-03-05 3:40 ` Theodore Ts'o
2022-03-05 14:55 ` Byungchul Park
2022-03-05 15:12 ` Reimar Döffinger
2022-03-06 3:30 ` Theodore Ts'o
2022-03-06 10:51 ` Byungchul Park
2022-03-06 14:19 ` Theodore Ts'o
2022-03-10 1:45 ` Byungchul Park
2022-03-03 9:54 ` Jan Kara
2022-03-04 1:56 ` Byungchul Park
2022-02-17 13:27 ` Report 1 " Matthew Wilcox
2022-02-18 0:41 ` Byungchul Park
2022-02-22 8:27 ` Jan Kara
2022-02-23 1:40 ` Byungchul Park
2022-02-23 3:30 ` Byungchul Park
2022-02-17 15:51 ` [PATCH 00/16] DEPT(Dependency Tracker) Theodore Ts'o
2022-02-17 17:00 ` Steven Rostedt
2022-02-17 17:06 ` Matthew Wilcox
2022-02-19 10:05 ` Byungchul Park
2022-02-18 4:19 ` Theodore Ts'o
2022-02-19 10:34 ` Byungchul Park
2022-02-19 10:18 ` Byungchul Park
2022-02-19 9:54 ` Byungchul Park
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