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Message-ID: <20210731143131.GF18773@xsang-OptiPlex-9020>
Date:   Sat, 31 Jul 2021 22:31:31 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Vishal Moola <vishal.moola@...il.com>
Cc:     0day robot <lkp@...el.com>, LKML <linux-kernel@...r.kernel.org>,
        lkp@...ts.01.org, vishal.moola@...il.c, willy@...radead.org,
        linux-block@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Vishal Moola <vishal.moola@...il.com>
Subject: dc1468867f: WARNING:at_mm/workingset.c:#workingset_update_node



Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: dc1468867f1d0f0cfeeef2294b3028d14e366d2e ("[RFC PATCH] Page Cache Allowing Hard Interrupts")
url: https://github.com/0day-ci/linux/commits/Vishal-Moola/Page-Cache-Allowing-Hard-Interrupts/20210731-053909
base: https://git.kernel.org/cgit/linux/kernel/git/kdave/linux.git for-next

in testcase: boot

on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


+----------------------------------------------------+------------+------------+
|                                                    | 878d950ee0 | dc1468867f |
+----------------------------------------------------+------------+------------+
| boot_successes                                     | 11         | 0          |
| boot_failures                                      | 0          | 16         |
| WARNING:at_mm/workingset.c:#workingset_update_node | 0          | 16         |
| RIP:workingset_update_node                         | 0          | 16         |
+----------------------------------------------------+------------+------------+


If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>



[    0.868651][  T348] ------------[ cut here ]------------
[    0.869546][  T348] WARNING: CPU: 1 PID: 348 at mm/workingset.c:443 workingset_update_node+0x54/0x80
[    0.870983][  T348] Modules linked in:
[    0.871679][  T348] CPU: 1 PID: 348 Comm: kworker/u4:2 Not tainted 5.14.0-rc3-00104-gdc1468867f1d #1
[    0.873150][  T348] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[    0.874586][  T348] Workqueue: events_unbound async_run_entry_fn
[    0.875565][  T348] RIP: 0010:workingset_update_node+0x54/0x80
[    0.876533][  T348] Code: 48 c7 c7 00 61 4f 83 e8 0a f4 ff ff 48 89 ef ba ff ff ff ff 5d be 09 00 00 00 e9 77 f1 06 00 48 8b 45 18 48 39 c6 74 06 5d c3 <0f> 0b eb b8 48 c7 c7 00 61 4f 83 e8 9c ee ff ff 48 89 ef ba 01 00
[    0.879808][  T348] RSP: 0000:ffffc900000f7940 EFLAGS: 00010202
[    0.880789][  T348] RAX: 0000000000000282 RBX: ffffea000436e400 RCX: 0000000000000002
[    0.882110][  T348] RDX: ffffffff81262e80 RSI: 0000000000000000 RDI: ffff88810cc96490
[    0.883390][  T348] RBP: ffff88810cc96490 R08: 0000000000000248 R09: 0000000000000001
[    0.884684][  T348] R10: 000000000010db91 R11: ffff88810cc966b8 R12: 0000000002000000
[    0.885976][  T348] R13: ffff88810cc96492 R14: ffff88810cc433b8 R15: ffff88810cc96490
[    0.887283][  T348] FS:  0000000000000000(0000) GS:ffff88842fd00000(0000) knlGS:0000000000000000
[    0.888732][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    0.889755][  T348] CR2: 0000000000000000 CR3: 0000000002812000 CR4: 00000000000406e0
[    0.891003][  T348] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    0.892497][  T348] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    0.893803][  T348] Call Trace:
[    0.894393][  T348]  xas_create+0x1aa/0x400
[    0.895101][  T348]  xas_store+0x52/0x600
[    0.895843][  T348]  ? mem_cgroup_charge_statistics+0x1c/0x40
[    0.896817][  T348]  ? xas_load+0x5/0x80
[    0.897473][  T348]  ? xa_get_order+0xa1/0x100
[    0.898197][  T348]  __add_to_page_cache_locked+0x181/0x3c0
[    0.899074][  T348]  ? scan_shadow_nodes+0x40/0x40
[    0.899909][  T348]  add_to_page_cache_lru+0x48/0xc0
[    0.900742][  T348]  pagecache_get_page+0x19d/0x600
[    0.901547][  T348]  grab_cache_page_write_begin+0x1d/0x40
[    0.902410][  T348]  simple_write_begin+0x23/0x240
[    0.903219][  T348]  generic_perform_write+0xb7/0x200
[    0.904066][  T348]  __generic_file_write_iter+0xf9/0x200
[    0.904933][  T348]  generic_file_write_iter+0x5d/0xc0
[    0.905750][  T348]  __kernel_write+0x14f/0x300
[    0.906508][  T348]  kernel_write+0x56/0x140
[    0.907249][  T348]  ? write_buffer+0x37/0x37
[    0.907999][  T348]  xwrite+0x31/0x62
[    0.908777][  T348]  do_copy+0x58/0x103
[    0.909416][  T348]  ? do_name+0x123/0x273
[    0.910083][  T348]  write_buffer+0x27/0x37
[    0.910795][  T348]  flush_buffer+0x2b/0x83
[    0.911798][  T348]  ? initrd_load+0x3f/0x3f
[    0.912513][  T348]  __gunzip+0x267/0x30c
[    0.914991][  T348]  ? decompress_method+0x3c/0x3c
[    0.915819][  T348]  gunzip+0xe/0x11
[    0.916453][  T348]  ? initrd_load+0x3f/0x3f
[    0.917176][  T348]  unpack_to_rootfs+0x15a/0x292
[    0.917932][  T348]  ? initrd_load+0x3f/0x3f
[    0.918633][  T348]  do_populate_rootfs+0x59/0x106
[    0.919427][  T348]  async_run_entry_fn+0x20/0xc0
[    0.920435][  T348]  process_one_work+0x204/0x440
[    0.921216][  T348]  worker_thread+0x4d/0x400
[    0.921949][  T348]  ? mod_delayed_work_on+0xc0/0xc0
[    0.922753][  T348]  kthread+0x140/0x180
[    0.923410][  T348]  ? set_kthread_struct+0x40/0x40
[    0.924189][  T348]  ret_from_fork+0x22/0x30
[    0.924902][  T348] ---[ end trace 41ce8e7a48ccc596 ]---



To reproduce:

        # build kernel
	cd linux
	cp config-5.14.0-rc3-00104-gdc1468867f1d .config
	make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email



---
0DAY/LKP+ Test Infrastructure                   Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org       Intel Corporation

Thanks,
Oliver Sang


View attachment "config-5.14.0-rc3-00104-gdc1468867f1d" of type "text/plain" (121064 bytes)

View attachment "job-script" of type "text/plain" (4505 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (12956 bytes)

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