Date: Thu, 23 May 2024 12:05:43 +0500
From: Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>
To: David Hildenbrand <david@...hat.com>
Cc: Linux List Kernel Mailing <linux-kernel@...r.kernel.org>, 
	Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: 6.9/BUG: Bad page state in process kswapd0 pfn:d6e840

On Thu, May 9, 2024 at 10:50 PM David Hildenbrand <david@...hat.com> wrote:
>
> Do you have the other stracktrace as well?
>
> Maybe triggering memory reclaim (e.g., using "stress" or "memhog") could
> trigger it, that might be reasonable to trey. Once we have a reproducer
> we could at least bisect.
>

The only known workload that causes this is updating a large
container. Unfortunately, not every container update reproduces the
problem.
[24119.281379] BUG: Bad page state in process kcompactd0  pfn:3ae37e
[24119.281387] page: refcount:0 mapcount:0 mapping:00000000d16c2d75
index:0x272ea3200 pfn:0x3ae37e
[24119.281390] aops:btree_aops ino:1
[24119.281395] flags:
0x17ffffc000020c(referenced|uptodate|workingset|node=0|zone=2|lastcpupid=0x1fffff)
[24119.281400] raw: 0017ffffc000020c dead000000000100 dead000000000122
ffff888136ecd220
[24119.281402] raw: 0000000272ea3200 0000000000000000 00000000ffffffff
0000000000000000
[24119.281403] page dumped because: non-NULL mapping
[24119.281405] Modules linked in: overlay tun crypto_user uinput
snd_seq_dummy snd_hrtimer rfcomm nf_conntrack_netbios_ns
nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib
nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct
nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set
nf_tables qrtr uhid bnep sunrpc binfmt_misc amd_atl intel_rapl_msr
intel_rapl_common mt76x2u mt76x2_common mt7921e mt7921_common
mt76x02_usb mt76_usb mt792x_lib mt76x02_lib mt76_connac_lib vfat mt76
fat mac80211 snd_hda_codec_hdmi snd_hda_intel edac_mce_amd
snd_intel_dspcfg snd_intel_sdw_acpi snd_usb_audio uvcvideo
snd_hda_codec kvm_amd btusb snd_usbmidi_lib uvc snd_hda_core snd_ump
btrtl videobuf2_vmalloc btintel videobuf2_memops snd_rawmidi snd_hwdep
videobuf2_v4l2 btbcm btmtk snd_seq videobuf2_common libarc4
snd_seq_device kvm bluetooth ledtrig_netdev videodev snd_pcm cfg80211
joydev asus_nb_wmi eeepc_wmi mc snd_timer asus_wmi sparse_keymap rapl
apple_mfi_fastcharge snd wmi_bmof platform_profile
[24119.281465]  pcspkr igc k10temp soundcore i2c_piix4 rfkill
gpio_amdpt gpio_generic loop nfnetlink zram amdgpu crct10dif_pclmul
crc32_pclmul crc32c_intel amdxcp polyval_clmulni i2c_algo_bit
polyval_generic drm_ttm_helper ttm nvme drm_exec ghash_clmulni_intel
gpu_sched drm_suballoc_helper sha512_ssse3 drm_buddy nvme_core ccp
sha256_ssse3 drm_display_helper sha1_ssse3 sp5100_tco video nvme_auth
wmi hid_apple ip6_tables ip_tables fuse
[24119.281496] CPU: 30 PID: 221 Comm: kcompactd0 Tainted: G        W
 L     6.9.0-test-5f16eb0549ab-with-drop-RANDOM_ORVALUE-bits+ #34
[24119.281498] Hardware name: ASUS System Product Name/ROG STRIX
B650E-I GAMING WIFI, BIOS 2611 04/07/2024
[24119.281500] Call Trace:
[24119.281502]  <TASK>
[24119.281503]  dump_stack_lvl+0x84/0xd0
[24119.281508]  bad_page.cold+0xbe/0xe0
[24119.281510]  ? __pfx_bad_page+0x10/0x10
[24119.281514]  ? page_bad_reason+0x9d/0x1f0
[24119.281517]  free_unref_page+0x838/0x10e0
[24119.281520]  __folio_put+0x1ba/0x2b0
[24119.281523]  ? __pfx___folio_put+0x10/0x10
[24119.281525]  ? __pfx___might_resched+0x10/0x10
[24119.281528]  ? migrate_folio_done+0x1de/0x2b0
[24119.281531]  migrate_pages_batch+0xe73/0x2880
[24119.281534]  ? __pfx_compaction_alloc+0x10/0x10
[24119.281536]  ? __pfx_compaction_free+0x10/0x10
[24119.281539]  ? __pfx_migrate_pages_batch+0x10/0x10
[24119.281543]  ? rcu_is_watching+0x12/0xc0
[24119.281546]  migrate_pages+0x194f/0x22f0
[24119.281548]  ? __pfx_compaction_alloc+0x10/0x10
[24119.281550]  ? __pfx_compaction_free+0x10/0x10
[24119.281553]  ? __pfx_migrate_pages+0x10/0x10
[24119.281555]  ? rcu_is_watching+0x12/0xc0
[24119.281557]  ? isolate_migratepages_block+0x2b02/0x4560
[24119.281561]  ? __pfx_isolate_migratepages_block+0x10/0x10
[24119.281563]  ? folio_putback_lru+0x5e/0xb0
[24119.281566]  compact_zone+0x1a7c/0x3860
[24119.281569]  ? rcu_is_watching+0x12/0xc0
[24119.281571]  ? __pfx___free_object+0x10/0x10
[24119.281575]  ? __pfx_compact_zone+0x10/0x10
[24119.281577]  ? rcu_is_watching+0x12/0xc0
[24119.281579]  ? lock_acquire+0x457/0x540
[24119.281581]  ? kcompactd+0x2fa/0xc70
[24119.281583]  ? rcu_is_watching+0x12/0xc0
[24119.281585]  compact_node+0x144/0x240
[24119.281588]  ? __pfx_compact_node+0x10/0x10
[24119.281593]  ? rcu_is_watching+0x12/0xc0
[24119.281595]  kcompactd+0x686/0xc70
[24119.281598]  ? __pfx_kcompactd+0x10/0x10
[24119.281600]  ? __pfx_autoremove_wake_function+0x10/0x10
[24119.281603]  ? __kthread_parkme+0xb1/0x1d0
[24119.281605]  ? __pfx_kcompactd+0x10/0x10
[24119.281608]  ? __pfx_kcompactd+0x10/0x10
[24119.281610]  kthread+0x2d2/0x3a0
[24119.281612]  ? _raw_spin_unlock_irq+0x28/0x60
[24119.281614]  ? __pfx_kthread+0x10/0x10
[24119.281616]  ret_from_fork+0x31/0x70
[24119.281618]  ? __pfx_kthread+0x10/0x10
[24119.281620]  ret_from_fork_asm+0x1a/0x30
[24119.281624]  </TASK>
[24171.367867] watchdog: BUG: soft lockup - CPU#25 stuck for 26s!
[kworker/u130:3:2474335]

-- 
Best Regards,
Mike Gavrilov.

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