Backtrace

WARNING: CPU: 25 PID: 557395 at block/bfq-iosched.c:606 bfqq_request_over_limit+0x31f/0x380
Modules linked in: xfrm_interface ip_vti ip_tunnel ah6 ah4 esp6 esp4 xfrm4_tunnel tunnel4 ipcomp ipcomp6 xfrm6_tunnel xfrm_ipcomp tunnel6 chacha20poly1305 camellia_generic camellia_aesni_avx2 camellia_aesni_avx_x86_64 camellia_x86_64 xcbc sha256_ssse3 sha512_ssse3 des_generic libdes uinput ntfs3 snd_seq_dummy snd_hrtimer nft_objref 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 ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) sunrpc binfmt_misc vfat fat squashfs loop iTCO_wdt intel_rapl_msr intel_pmc_bxt mei_wdt iTCO_vendor_support dell_wmi sparse_keymap rfkill dell_smm_hwmon intel_rapl_common snd_hda_codec_realtek
 snd_hda_codec_generic ses ledtrig_audio snd_hda_codec_hdmi enclosure sb_edac x86_pkg_temp_thermal intel_powerclamp snd_hda_intel coretemp snd_intel_dspcfg snd_intel_sdw_acpi scsi_transport_sas snd_hda_codec kvm_intel joydev snd_hda_core snd_hwdep kvm snd_seq snd_seq_device irqbypass snd_pcm dell_smbios rapl intel_cstate snd_timer wmi_bmof intel_uncore pcspkr dcdbas snd i2c_i801 dell_wmi_descriptor intel_wmi_thunderbolt i2c_smbus lpc_ich mei_me soundcore mei zram ip_tables uas usb_storage nouveau video drm_ttm_helper ttm i2c_algo_bit drm_kms_helper cec mxm_wmi drm crct10dif_pclmul crc32_pclmul e1000e crc32c_intel ghash_clmulni_intel wmi ipmi_devintf ipmi_msghandler fuse
CPU: 25 PID: 557395 Comm: ThreadPoolForeg Tainted: G S      W  OE     5.17.4-100.fc34.x86_64 #1
Hardware name: Dell Inc. Precision Tower 7810/0GWHMW, BIOS A34 10/19/2020
RIP: 0010:bfqq_request_over_limit+0x31f/0x380
Code: 8b 7c 24 08 e8 52 77 bb ff 58 e8 1c 29 b2 ff 48 8d 5c 24 28 e9 ca fe ff ff 44 8b 6c 24 24 41 39 f5 0f 84 28 fe ff ff 41 89 f5 <0f> 0b e9 08 fe ff ff 4c 8d a4 24 a8 00 00 00 44 89 c1 be 10 00 00
RSP: 0018:ffffb1bd8f26f9e0 EFLAGS: 00010002
RAX: 0000000000000005 RBX: 0000000000000030 RCX: ffffb1bd8f26fa08
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8a35c4e63430
RBP: ffff8a35ccf346c0 R08: ffff8a35c4224d00 R09: ffff8a35cb704960
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006
R13: 0000000000000004 R14: ffff8a44f4096098 R15: 0000000000000001
FS:  00007f147f4af640(0000) GS:ffff8a44afb40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000009c06a6c14c CR3: 00000017d75a0003 CR4: 00000000001706e0
Call Trace:
 <TASK>
 ? perf_trace_track_foreign_dirty+0x62/0x200
 ? btrfs_add_ordered_sum+0x42/0x70
 ? btrfs_csum_one_bio+0x37a/0x460
 bfq_limit_depth+0x125/0x1d0
 __blk_mq_alloc_requests+0x23b/0x2a0
 blk_mq_submit_bio+0x3da/0x640
 submit_bio_noacct+0x232/0x280
 btrfs_map_bio+0x17c/0x490
 btrfs_submit_data_bio+0x10a/0x1f0
 submit_one_bio+0x44/0x70
 extent_writepages+0x9b/0x120
 do_writepages+0xbf/0x1b0
 filemap_fdatawrite_wbc+0x62/0x90
 filemap_fdatawrite_range+0x46/0x50
 start_ordered_ops.constprop.0+0x38/0x80
 btrfs_sync_file+0x7a/0x4b0
 ? preempt_count_add+0x49/0xa0
 __x64_sys_fdatasync+0x46/0x80
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f14971770ab
Code: 4b 00 00 00 0f 05 48 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 93 dc f8 ff 8b 7c 24 0c 41 89 c0 b8 4b 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 f1 dc f8 ff 8b 44
RSP: 002b:00007f147f4adaa0 EFLAGS: 00000293 ORIG_RAX: 000000000000004b
RAX: ffffffffffffffda RBX: 0000032802ea6a00 RCX: 00007f14971770ab
RDX: 0000000000000002 RSI: 0000000000000002 RDI: 00000000000000e5
RBP: 00007f147f4adaf0 R08: 0000000000000000 R09: 000055eb897d7760
R10: 0000000000000000 R11: 0000000000000293 R12: 000003280071e300
R13: d763a120f905d5d9 R14: 0000000000000000 R15: 0000000000001000
 </TASK>