Hi,
During creation of an OpenAFS cache on a bcachefs mount (ca. 1 M files
and directories) I probably got the error
[ 15.436031] ------------[ cut here ]------------
[ 15.436037] WARNING: CPU: 6 PID: 9147 at mm/page_alloc.c:3421
__alloc_pages_nodemask+0xa48/0xe70
[ 15.436038] Modules linked in: bcache btusb btrtl btbcm btintel
bluetooth arc4 nls_iso8859_1 uvcvideo iwldvm lz4_compress libcrc32c
videobuf2_vmalloc intel_rapl x86_pkg_temp_thermal videobuf2_memops
videobuf2_v4l2 intel_powerclamp videobuf2_core coretemp videodev
cdc_ether mac80211 usbnet r8152 media hid_multitouch kvm_intel kvm
iwlwifi irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
aesni_intel cfg80211 aes_x86_64 glue_helper lrw ablk_helper cryptd
intel_cstate intel_rapl_perf joydev input_leds mei_me ideapad_laptop
serio_raw mei wmi mac_hid lpc_ich sparse_keymap shpchp coda sunrpc
parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs xor
raid6_pq rtsx_usb_sdmmc rtsx_usb hid_generic usbhid hid i915 psmouse
i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops
[ 15.436071] drm r8169 video mii fjes ahci libahci
[ 15.436076] CPU: 6 PID: 9147 Comm: mount Not tainted 10.8.0+ #2
[ 15.436076] Hardware name: LENOVO 20221/INVALID, BIOS
71CN51WW(V1.21) 07/12/2013
[ 15.436078] 0000000000000286 00000000b885e0f1 ffff8c812635ba30
ffffffffaba0c9d3
[ 15.436080] 0000000000000000 0000000000000000 ffff8c812635ba70
ffffffffab682e51
[ 15.436081] 00000d5d00000000 000000000000000b ffff8c812bb88000
00000000024040c0
[ 15.436083] Call Trace:
[ 15.436088] [<ffffffffaba0c9d3>] dump_stack+0x63/0x90
[ 15.436091] [<ffffffffab682e51>] __warn+0xd1/0xf0
[ 15.436093] [<ffffffffab682f7d>] warn_slowpath_null+0x1d/0x20
[ 15.436094] [<ffffffffab7a6c88>] __alloc_pages_nodemask+0xa48/0xe70
[ 15.436096] [<ffffffffab7a63ae>] ?
__alloc_pages_nodemask+0x16e/0xe70
[ 15.436099] [<ffffffffab80617b>] ?
kmem_cache_alloc_node_trace+0x13b/0x1d0
[ 15.436101] [<ffffffffab7e5f4f>] ? alloc_vmap_area+0x32f/0x3a0
[ 15.436102] [<ffffffffab7f988c>] alloc_pages_current+0x8c/0x110
[ 15.436104] [<ffffffffab7c7448>] kmalloc_order+0x18/0x40
[ 15.436106] [<ffffffffab7c7494>] kmalloc_order_trace+0x24/0xa0
[ 15.436107] [<ffffffffab806992>] ? __kmalloc+0x1a2/0x210
[ 15.436109] [<ffffffffab806992>] __kmalloc+0x1a2/0x210
[ 15.436127] [<ffffffffc0d56c6b>] cache_alloc+0x57b/0x950 [bcache]
[ 15.436139] [<ffffffffc0d59c5d>]
bch_register_cache_set+0x1fd/0x2d0 [bcache]
[ 15.436141] [<ffffffffab806963>] ? __kmalloc+0x173/0x210
[ 15.436151] [<ffffffffc0d3d111>] ? bch_mount+0x111/0x4d0 [bcache]
[ 15.436159] [<ffffffffc0d3d179>] bch_mount+0x179/0x4d0 [bcache]
[ 15.436162] [<ffffffffab831c78>] mount_fs+0x38/0x170
[ 15.436163] [<ffffffffab7c5a85>] ? __alloc_percpu+0x15/0x20
[ 15.436165] [<ffffffffab84f5a7>] vfs_kern_mount+0x67/0x110
[ 15.436166] [<ffffffffab851ce5>] do_mount+0x1e5/0xcb0
[ 15.436168] [<ffffffffab829901>] ? __check_object_size+0x111/0x1e2
[ 15.436170] [<ffffffffab7bfdef>] ? memdup_user+0x4f/0x70
[ 15.436171] [<ffffffffab852ab4>] SyS_mount+0x94/0xd0
[ 15.436174] [<ffffffffabe544f6>] entry_SYSCALL_64_fastpath+0x1e/0xa8
[ 15.436175] ---[ end trace 7ef640984da60e52 ]---
which seems to result in the error
[ 97.560655] ------------[ cut here ]------------
[ 97.560677] WARNING: CPU: 6 PID: 1802 at
drivers/md/bcache/fs.c:78 __bch_write_inode+0x2d4/0x2e0 [bcache]
[ 97.560685] inode 506338 not found when updating
[ 97.560687] Modules linked in:
[ 97.560688] rfcomm snd_hrtimer snd_seq snd_seq_device
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic
snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm snd_timer snd
soundcore openafs(POE) iptable_filter bridge stp llc bnep bbswitch(OE)
binfmt_misc rtsx_usb_ms memstick usblp intel_rapl x86_pkg_temp_thermal
intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 glue_helper lrw
ablk_helper cryptd bcache arc4 iwldvm intel_cstate nls_iso8859_1
mac80211 lz4_compress libcrc32c btusb btrtl btbcm joydev btintel
bluetooth cdc_ether usbnet intel_rapl_perf uvcvideo input_leds serio_raw
videobuf2_vmalloc iwlwifi videobuf2_memops r8152 videobuf2_v4l2
videobuf2_core videodev cfg80211 hid_multitouch media lpc_ich ideapad_laptop
[ 97.560719] wmi sparse_keymap mei_me mei mac_hid shpchp sunrpc
coda parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs xor
raid6_pq rtsx_usb_sdmmc rtsx_usb hid_generic usbhid hid i915 psmouse
r8169 mii i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops drm video fjes ahci libahci
[ 97.560737] CPU: 6 PID: 1802 Comm: kworker/u16:7 Tainted: P
D W OE 10.8.0+ #2
[ 97.560738] Hardware name: LENOVO 20221/INVALID, BIOS
71CN51WW(V1.21) 07/12/2013
[ 97.560742] Workqueue: writeback wb_workfn (flush-bcache-2)
[ 97.560744] 0000000000000286 0000000003c847b4 ffff915c5be4b870
ffffffffae80c9d3
[ 97.560746] ffff915c5be4b8c0 0000000000000000 ffff915c5be4b8b0
ffffffffae482e51
[ 97.560748] 0000004ec0ace646 ffff915c5be4ba18 ffff915c5be4b9d0
0000000000000000
[ 97.560750] Call Trace:
[ 97.560754] [<ffffffffae80c9d3>] dump_stack+0x63/0x90
[ 97.560757] [<ffffffffae482e51>] __warn+0xd1/0xf0
[ 97.560758] [<ffffffffae482ecf>] warn_slowpath_fmt+0x5f/0x80
[ 97.560768] [<ffffffffc0ae3084>] __bch_write_inode+0x2d4/0x2e0
[bcache]
[ 97.560777] [<ffffffffc0ae8ef3>] ? bch_writepages+0x163/0x590
[bcache]
[ 97.560779] [<ffffffffae80c7b0>] ? cpumask_next_and+0x30/0x50
[ 97.560781] [<ffffffffae4c03c7>] ? update_sd_lb_stats+0x147/0x570
[ 97.560789] [<ffffffffc0ae3311>] bch_vfs_write_inode+0x41/0x90
[bcache]
[ 97.560790] [<ffffffffae65d7c5>]
__writeback_single_inode+0x265/0x330
[ 97.560792] [<ffffffffae65ddc6>] writeback_sb_inodes+0x286/0x580
[ 97.560793] [<ffffffffae65e14f>] __writeback_inodes_wb+0x8f/0xc0
[ 97.560795] [<ffffffffae65e4d2>] wb_writeback+0x282/0x310
[ 97.560796] [<ffffffffae65eeaa>] wb_workfn+0x2ca/0x3f0
[ 97.560799] [<ffffffffae49d546>] process_one_work+0x156/0x400
[ 97.560801] [<ffffffffae49e03e>] worker_thread+0x4e/0x4b0
[ 97.560803] [<ffffffffae49dff0>] ? rescuer_thread+0x380/0x380
[ 97.560804] [<ffffffffae49dff0>] ? rescuer_thread+0x380/0x380
[ 97.560806] [<ffffffffae4a3538>] kthread+0xd8/0xf0
[ 97.560809] [<ffffffffaec5471f>] ret_from_fork+0x1f/0x40
[ 97.560810] [<ffffffffae4a3460>] ? kthread_park+0x60/0x60
[ 97.560817] ---[ end trace 5a2feb1315f23e6d ]---
when removing the left over files.
experienced with origin-258148-g4dff01e
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