Hi,
This warning appears in my vanilla 5.14.7 kernel with my Radeon R7 360
(Bonnaire) GPU.
Cheers,
Chris
[ 171.605463] ------------[ cut here ]------------
[ 171.624230] WARNING: CPU: 2 PID: 1 at
drivers/gpu/drm/ttm/ttm_bo.c:409 ttm_bo_release+0x1c/0x266 [ttm]
[ 171.632344] Modules linked in: nf_nat_ftp nf_conntrack_ftp cfg80211
af_packet 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_tables ebtable_nat ebtable_broute ip6table_nat
ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat
nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_mangle
iptable_raw iptable_security nfnetlink ebtable_filter ebtables
ip6table_filter ip6_tables iptable_filter bnep it87 hwmon_vid dm_mod
dax snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic
ledtrig_audio snd_hda_intel uvcvideo videobuf2_vmalloc
videobuf2_memops videobuf2_v4l2 videobuf2_common snd_usb_audio
videodev btusb btbcm snd_usbmidi_lib btintel input_leds joydev
led_class mc bluetooth ecdh_generic rfkill ecc snd_intel_dspcfg
snd_hda_codec snd_virtuoso snd_oxygen_lib snd_mpu401_uart snd_hwdep
snd_rawmidi snd_hda_core snd_seq snd_seq_device coretemp snd_pcm
mxm_wmi snd_hrtimer kvm_intel
[ 171.632408] iTCO_wdt snd_timer kvm gpio_ich snd soundcore
irqbypass psmouse r8169 i2c_i801 pcspkr realtek mdio_devres i2c_smbus
libphy wmi i7core_edac lpc_ich tiny_power_button button acpi_cpufreq
binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc configfs fuse
zram zsmalloc ip_tables x_tables ext4 crc32c_generic crc16 mbcache
jbd2 hid_microsoft usbhid sr_mod cdrom sd_mod amdgpu drm_ttm_helper
ttm mfd_core gpu_sched uhci_hcd i2c_algo_bit drm_kms_helper
firewire_ohci firewire_core cfbfillrect syscopyarea cfbimgblt
sysfillrect sysimgblt xhci_pci crc32c_intel crc_itu_t ehci_pci
fb_sys_fops cfbcopyarea cec serio_raw ehci_hcd rc_core xhci_hcd ahci
pata_jmicron libahci libata drm scsi_mod usbcore usb_common
drm_panel_orientation_quirks msr sha256_ssse3 sha256_generic ipv6
crc_ccitt
[ 171.788213] CPU: 3 PID: 1 Comm: systemd Tainted: G I 5.14.7 #1
[ 171.794422] Hardware name: Gigabyte Technology Co., Ltd.
EX58-UD3R/EX58-UD3R, BIOS FB 05/04/2009
[ 171.802359] RIP: 0010:ttm_bo_release+0x1c/0x266 [ttm]
[ 171.806146] Code: 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 41 56
41 55 41 54 4c 8d a7 90 fe ff ff 55 53 83 7f 4c 00 48 89 fb 48 8b 6f
e8 74 02 <0f> 0b 80 7b 18 00 48 8b 43 88 0f 85 ac 00 00 00 4c 8d 6b 90
49 39
[ 171.824154] RSP: 0018:ffffc90000023e00 EFLAGS: 00010202
[ 171.828183] RAX: 0000000000000001 RBX: ffff88813bbc09c8 RCX: 0000000000000051
[ 171.834267] RDX: 0000000000000191 RSI: ffffffffa03690db RDI: ffff88813bbc09c8
[ 171.840229] RBP: ffff888109505308 R08: 0000000000000001 R09: 0000000000000003
[ 171.846272] R10: 00000000001d0a5e R11: ffff888126bb6200 R12: ffff88813bbc0858
[ 171.852321] R13: ffff88817c130490 R14: ffff88816982be40 R15: 0000000000000000
[ 171.858439] FS: 00007f068b32c340(0000) GS:ffff888343cc0000(0000)
knlGS:0000000000000000
[ 171.865527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 171.870173] CR2: 00007f5e2cc32000 CR3: 00000001022bc000 CR4: 00000000000006e0
[ 171.876265] Call Trace:
[ 171.877500] amdgpu_bo_unref+0x15/0x1e [amdgpu]
[ 171.881001] amdgpu_gem_object_free+0x2b/0x45 [amdgpu]
[ 171.885090] drm_gem_dmabuf_release+0x11/0x1a [drm]
[ 171.888802] dma_buf_release+0x36/0x6e
[ 171.891349] __dentry_kill+0xf5/0x12f
[ 171.893782] dput+0xfc/0x136
[ 171.895448] __fput+0x16a/0x1bc
[ 171.897493] task_work_run+0x64/0x75
[ 171.899911] exit_to_user_mode_prepare+0x88/0x112
[ 171.903448] syscall_exit_to_user_mode+0x14/0x1f
[ 171.906908] do_syscall_64+0x7a/0x80
[ 171.909269] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 171.913185] RIP: 0033:0x7f068bfac9db
[ 171.915546] Code: 03 00 00 00 0f 05 48 3d 00 f0 ff ff 77 41 c3 48
83 ec 18 89 7c 24 0c e8 33 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00
00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 91 fc ff ff
8b 44
[ 171.933787] RSP: 002b:00007fff4cbdd7c0 EFLAGS: 00000293 ORIG_RAX:
0000000000000003
[ 171.940358] RAX: 0000000000000000 RBX: 00007f068b32c0f8 RCX: 00007f068bfac9db
[ 171.946448] RDX: 0000000000000002 RSI: 000000055fdf5096 RDI: 0000000000000068
[ 171.952450] RBP: 0000000000000068 R08: 0000000000000000 R09: 0000000000000000
[ 171.958521] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
[ 171.964616] R13: 000055fdf46b2300 R14: 000055fdf466d0f9 R15: 000055fdf4fe6f50
[ 171.970709] ---[ end trace 7e21121d1452c738 ]---