Hi, Between commits ed4643521e6a and 34af78c4e616 something was broken. I noted that kernel log flooded with warning message "WARNING: CPU: 31 PID: 51848 at drivers/dma-buf/dma-fence-array.c:191 dma_fence_array_create+0x101/0x120" when some games are running: "Resident Evil Village", "Marvel's Avengers", "The Dark Pictures Anthology: House of Ashes". [16999.958726] ------------[ cut here ]------------ [16999.958731] WARNING: CPU: 31 PID: 51848 at drivers/dma-buf/dma-fence-array.c:191 dma_fence_array_create+0x101/0x120 [16999.958738] Modules linked in: xone_gip_chatpad(OE) xone_gip_gamepad(OE) xone_gip_common(OE) ff_memless tls uinput rfcomm snd_seq_dummy snd_hrtimer snd_seq_midi snd_seq_midi_event 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr bnep sunrpc binfmt_misc iwlmvm vfat intel_rapl_msr fat intel_rapl_common snd_hda_codec_realtek mac80211 snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi libarc4 snd_hda_intel edac_mce_amd snd_intel_dspcfg snd_usb_audio snd_intel_sdw_acpi btusb kvm_amd snd_hda_codec btrtl btbcm iwlwifi btintel snd_hda_core snd_usbmidi_lib uvcvideo snd_hwdep kvm iwlmei snd_rawmidi videobuf2_vmalloc xone_dongle(OE) videobuf2_memops xone_gip_bus(OE) snd_seq btmtk videobuf2_v4l2 videobuf2_common snd_seq_device irqbypass bluetooth cfg80211 snd_pcm rapl videodev [16999.958799] eeepc_wmi asus_wmi snd_timer sparse_keymap platform_profile ecdh_generic video wmi_bmof pcspkr snd k10temp i2c_piix4 joydev mc soundcore rfkill mei acpi_cpufreq zram hid_logitech_hidpp hid_logitech_dj amdgpu drm_ttm_helper ttm crct10dif_pclmul ccp crc32_pclmul ucsi_ccg iommu_v2 crc32c_intel typec_ucsi gpu_sched ghash_clmulni_intel sp5100_tco drm_dp_helper typec igb nvme nvme_core dca wmi scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables dm_multipath ipmi_devintf ipmi_msghandler fuse [16999.958862] CPU: 31 PID: 51848 Comm: GWT.exe Tainted: G B W OEL --------- --- 5.18.0-0.rc0.20220401gite8b767f5e04097a.15.fc37.x86_64 #1 [16999.958865] Hardware name: System manufacturer System Product Name/ROG STRIX X570-I GAMING, BIOS 4204 02/24/2022 [16999.958867] RIP: 0010:dma_fence_array_create+0x101/0x120 [16999.958871] Code: 45 85 e4 75 10 eb 2a 48 81 fa c0 aa 52 ab 74 1a 83 e8 01 72 1c 48 63 d0 48 8b 54 d5 00 48 8b 52 08 48 81 fa 60 aa 52 ab 75 dd <0f> 0b 83 e8 01 73 e4 48 83 c4 08 48 89 d8 5b 5d 41 5c 41 5d 41 5e [16999.958874] RSP: 0018:ffffb03c071f7e08 EFLAGS: 00010246 [16999.958877] RAX: 0000000000000001 RBX: ffff98fdb03c6d00 RCX: 0000000000510e99 [16999.958879] RDX: ffffffffab52aac0 RSI: ffff98fdb03c6d10 RDI: ffff98fdb03c6d00 [16999.958880] RBP: ffff98fa31c59e40 R08: 0000000000000001 R09: 0000000000000000 [16999.958882] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002 [16999.958883] R13: 0000000000000000 R14: ffff98fdb03c6d40 R15: 0000000000000001 [16999.958885] FS: 000000004789f640(0000) GS:ffff9907ea600000(0000) knlGS:0000000029b70000 [16999.958887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [16999.958888] CR2: 00007ff41eee8000 CR3: 000000002856a000 CR4: 0000000000350ee0 [16999.958890] Call Trace: [16999.958893] <TASK> [16999.958897] sync_file_ioctl+0x83d/0x9f0 [16999.958904] __x64_sys_ioctl+0x8d/0xc0 [16999.958908] do_syscall_64+0x3a/0x80 [16999.958913] entry_SYSCALL_64_after_hwframe+0x44/0xae [16999.958917] RIP: 0033:0x7ff5e850b29f [16999.958941] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [16999.958943] RSP: 002b:000000004789d540 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [16999.958946] RAX: ffffffffffffffda RBX: 00007ff5d5637040 RCX: 00007ff5e850b29f [16999.958948] RDX: 000000004789d740 RSI: 00000000c0303e03 RDI: 0000000000000260 [16999.958949] RBP: 0000000000000260 R08: 0000000000000001 R09: 0000000000000000 [16999.958951] R10: 0000000000000000 R11: 0000000000000246 R12: 000000004789d740 [16999.958953] R13: 0000000000000000 R14: 00000000c0303e03 R15: 0000000000000000 [16999.958958] </TASK> [16999.958959] irq event stamp: 0 [16999.958961] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [16999.958964] hardirqs last disabled at (0): [<ffffffffaa0e88c1>] copy_process+0x9f1/0x1e20 [16999.958968] softirqs last enabled at (0): [<ffffffffaa0e88c1>] copy_process+0x9f1/0x1e20 [16999.958971] softirqs last disabled at (0): [<0000000000000000>] 0x0 [16999.958974] ---[ end trace 0000000000000000 ]--- The games "Forza Horizon 5", "Forza Horizon 4", "Cyberpunk 2077", "Ghostwire: Tokyo" stopped working. When these games crashed I again saw the same warning message as above [2]. Difference only in thead name and addresses. [ 643.442353] ------------[ cut here ]------------ [ 643.442358] WARNING: CPU: 24 PID: 7824 at drivers/dma-buf/dma-fence-array.c:191 dma_fence_array_create+0x101/0x120 [ 643.442364] Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer snd_seq_midi snd_seq_midi_event 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr bnep sunrpc binfmt_misc iwlmvm snd_hda_codec_realtek mac80211 snd_hda_codec_generic vfat fat ledtrig_audio snd_hda_codec_hdmi intel_rapl_msr snd_hda_intel intel_rapl_common snd_intel_dspcfg libarc4 snd_intel_sdw_acpi snd_hda_codec edac_mce_amd snd_usb_audio iwlwifi snd_hda_core btusb uvcvideo snd_usbmidi_lib btrtl snd_hwdep snd_rawmidi btbcm videobuf2_vmalloc xone_dongle(OE) kvm_amd videobuf2_memops xone_gip_bus(OE) iwlmei videobuf2_v4l2 snd_seq btintel kvm eeepc_wmi btmtk asus_wmi snd_seq_device sparse_keymap videobuf2_common irqbypass platform_profile rapl bluetooth snd_pcm cfg80211 video pcspkr wmi_bmof k10temp i2c_piix4 [ 643.442406] videodev snd_timer snd ecdh_generic joydev mc soundcore rfkill mei acpi_cpufreq scsi_dh_rdac scsi_dh_emc scsi_dh_alua dm_multipath zram hid_logitech_hidpp hid_logitech_dj amdgpu crct10dif_pclmul crc32_pclmul crc32c_intel drm_ttm_helper ttm iommu_v2 ucsi_ccg ccp ghash_clmulni_intel gpu_sched typec_ucsi sp5100_tco typec drm_dp_helper igb nvme nvme_core dca wmi ip6_tables ip_tables ipmi_devintf ipmi_msghandler fuse [ 643.442427] CPU: 24 PID: 7824 Comm: GameThread Tainted: G B W OEL --------- --- 5.18.0-0.rc0.20220325git34af78c4e616.7.fc37.x86_64 #1 [ 643.442430] Hardware name: System manufacturer System Product Name/ROG STRIX X570-I GAMING, BIOS 4204 02/24/2022 [ 643.442432] RIP: 0010:dma_fence_array_create+0x101/0x120 [ 643.442434] Code: 45 85 e4 75 10 eb 2a 48 81 fa c0 6a 52 a8 74 1a 83 e8 01 72 1c 48 63 d0 48 8b 54 d5 00 48 8b 52 08 48 81 fa 60 6a 52 a8 75 dd <0f> 0b 83 e8 01 73 e4 48 83 c4 08 48 89 d8 5b 5d 41 5c 41 5d 41 5e [ 643.442436] RSP: 0018:ffffb0c783ea7e08 EFLAGS: 00010246 [ 643.442437] RAX: 0000000000000001 RBX: ffffa0fe03e4d800 RCX: 0000000000003b48 [ 643.442439] RDX: ffffffffa8526ac0 RSI: ffffa0fe03e4d810 RDI: ffffa0fe03e4d800 [ 643.442440] RBP: ffffa0fb81c33e00 R08: 0000000000000001 R09: 0000000000000000 [ 643.442441] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002 [ 643.442442] R13: 0000000000000000 R14: ffffa0fe03e4d840 R15: 0000000000000001 [ 643.442443] FS: 000000007b59f640(0000) GS:ffffa10a68a00000(0000) knlGS:000000007a4f0000 [ 643.442445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 643.442446] CR2: 00007f632016f000 CR3: 00000003787f8000 CR4: 0000000000350ee0 [ 643.442448] Call Trace: [ 643.442449] <TASK> [ 643.442453] sync_file_ioctl+0x83d/0x9f0 [ 643.442457] __x64_sys_ioctl+0x8d/0xc0 [ 643.442461] do_syscall_64+0x3a/0x80 [ 643.442464] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 643.442466] RIP: 0033:0x7f6377f0b29f [ 643.442484] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 643.442486] RSP: 002b:000000007b59d540 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 643.442488] RAX: ffffffffffffffda RBX: 000000007f068600 RCX: 00007f6377f0b29f [ 643.442489] RDX: 000000007b59d740 RSI: 00000000c0303e03 RDI: 000000000000011c [ 643.442490] RBP: 000000000000011c R08: 0000000000000001 R09: 0000000000000000 [ 643.442491] R10: 0000000000000000 R11: 0000000000000246 R12: 000000007b59d740 [ 643.442492] R13: 0000000000000000 R14: 00000000c0303e03 R15: 0000000000000000 [ 643.442495] </TASK> [ 643.442496] irq event stamp: 0 [ 643.442497] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 643.442500] hardirqs last disabled at (0): [<ffffffffa70e8a5e>] copy_process+0x9fe/0x1ed0 [ 643.442503] softirqs last enabled at (0): [<ffffffffa70e8a5e>] copy_process+0x9fe/0x1ed0 [ 643.442505] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 643.442507] ---[ end trace 0000000000000000 ]--- Before 5.18 git34af78c4e616 I also saw warning message. But this message was another [1] "WARNING: CPU: 29 PID: 6282 at kernel/dma/debug.c:1162 debug_dma_map_sg+0x329/0x380". And it not affected for working the listed games. [ 572.507688] ------------[ cut here ]------------ [ 572.507754] DMA-API: amdgpu 0000:0b:00.0: mapping sg segment longer than device claims to support [len=516096] [max=65536] [ 572.507761] WARNING: CPU: 29 PID: 6282 at kernel/dma/debug.c:1162 debug_dma_map_sg+0x329/0x380 [ 572.507768] Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer snd_seq_midi snd_seq_midi_event 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr bnep sunrpc binfmt_misc snd_hda_codec_realtek snd_hda_codec_generic iwlmvm intel_rapl_msr ledtrig_audio snd_hda_codec_hdmi intel_rapl_common vfat fat snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec mac80211 edac_mce_amd snd_hda_core snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi btusb kvm_amd btrtl snd_seq btbcm libarc4 snd_seq_device btintel snd_pcm kvm iwlwifi uvcvideo xone_dongle(OE) btmtk videobuf2_vmalloc xone_gip_bus(OE) videobuf2_memops eeepc_wmi videobuf2_v4l2 asus_wmi iwlmei bluetooth sparse_keymap irqbypass videobuf2_common snd_timer platform_profile rapl video pcspkr wmi_bmof videodev k10temp [ 572.507848] i2c_piix4 snd cfg80211 joydev ecdh_generic mc soundcore rfkill mei acpi_cpufreq scsi_dh_rdac scsi_dh_emc scsi_dh_alua dm_multipath zram hid_logitech_hidpp hid_logitech_dj amdgpu crct10dif_pclmul crc32_pclmul crc32c_intel ucsi_ccg drm_ttm_helper ghash_clmulni_intel ttm sp5100_tco igb ccp typec_ucsi nvme iommu_v2 typec gpu_sched nvme_core dca wmi ip6_tables ip_tables ipmi_devintf ipmi_msghandler fuse [ 572.507889] CPU: 29 PID: 6282 Comm: GameThread Tainted: G W OEL --------- --- 5.18.0-0.rc0.20220324gited4643521e6a.6.fc37.x86_64 #1 [ 572.507893] Hardware name: System manufacturer System Product Name/ROG STRIX X570-I GAMING, BIOS 4204 02/24/2022 [ 572.507895] RIP: 0010:debug_dma_map_sg+0x329/0x380 [ 572.507899] Code: 5c 24 10 8b 4c 24 18 48 8b 54 24 20 48 89 c6 44 8b 44 24 2c 48 c7 c7 90 40 84 9f 4c 89 5c 24 10 4c 89 4c 24 08 e8 57 d6 c9 00 <0f> 0b 4c 8b 5c 24 10 4c 8b 4c 24 08 8b 15 75 4d 31 02 85 d2 0f 85 [ 572.507902] RSP: 0018:ffffb748d2917b50 EFLAGS: 00010282 [ 572.507906] RAX: 000000000000006e RBX: ffff9e1ad45540d0 RCX: 0000000000000000 [ 572.507908] RDX: 0000000000000001 RSI: ffffffff9f8a4b50 RDI: 00000000ffffffff [ 572.507910] RBP: ffff9e1bfb936ea0 R08: 0000000000000000 R09: 00000000fff7ffff [ 572.507913] R10: ffffb748d2917980 R11: ffff9e29ee2fffe8 R12: 0000000000000001 [ 572.507915] R13: 0000000000000004 R14: 0000000000000002 R15: ffff9e1ad22fe900 [ 572.507917] FS: 00007fb5dd637fc0(0000) GS:ffff9e29a9e00000(0000) knlGS:0000000067fe0000 [ 572.507919] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 572.507922] CR2: 00007fb5db8af000 CR3: 00000002b492e000 CR4: 0000000000350ee0 [ 572.507924] Call Trace: [ 572.507926] <TASK> [ 572.507934] __dma_map_sg_attrs+0xb8/0xf0 [ 572.507939] dma_map_sgtable+0x19/0x30 [ 572.507943] amdgpu_bo_move+0x57c/0x6f0 [amdgpu] [ 572.508064] ? amdgpu_ttm_tt_populate+0x74/0x90 [amdgpu] [ 572.508177] ttm_bo_handle_move_mem+0x8c/0x190 [ttm] [ 572.508186] ttm_bo_validate+0xd7/0x150 [ttm] [ 572.508191] ? ww_mutex_lock+0x38/0xa0 [ 572.508197] amdgpu_gem_userptr_ioctl+0x178/0x290 [amdgpu] [ 572.508296] ? amdgpu_bo_vm_destroy+0x80/0x80 [amdgpu] [ 572.508399] ? amdgpu_gem_create_ioctl+0x330/0x330 [amdgpu] [ 572.508494] drm_ioctl_kernel+0xa1/0x150 [ 572.508503] drm_ioctl+0x21c/0x410 [ 572.508508] ? amdgpu_gem_create_ioctl+0x330/0x330 [amdgpu] [ 572.508605] ? lock_release+0x14f/0x460 [ 572.508611] ? _raw_spin_unlock_irqrestore+0x30/0x60 [ 572.508615] ? lockdep_hardirqs_on+0x7d/0x100 [ 572.508619] ? _raw_spin_unlock_irqrestore+0x40/0x60 [ 572.508624] amdgpu_drm_ioctl+0x4a/0x80 [amdgpu] [ 572.508719] __x64_sys_ioctl+0x8d/0xc0 [ 572.508725] do_syscall_64+0x3a/0x80 [ 572.508730] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 572.508733] RIP: 0033:0x7fb5dd50b29f [ 572.508754] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 572.508756] RSP: 002b:000000000027f680 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 572.508760] RAX: ffffffffffffffda RBX: 000000007f09bd10 RCX: 00007fb5dd50b29f [ 572.508762] RDX: 000000000027f730 RSI: 00000000c0186451 RDI: 00000000000000bd [ 572.508764] RBP: 000000000027f730 R08: 00007fb5dd5f7b00 R09: 0000000000000070 [ 572.508766] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c0186451 [ 572.508769] R13: 00000000000000bd R14: 000000000000000e R15: 000000007dcc0000 [ 572.508780] </TASK> [ 572.508782] irq event stamp: 4594699 [ 572.508784] hardirqs last enabled at (4594707): [<ffffffff9e17a17e>] __up_console_sem+0x5e/0x70 [ 572.508788] hardirqs last disabled at (4594714): [<ffffffff9e17a163>] __up_console_sem+0x43/0x70 [ 572.508791] softirqs last enabled at (4594478): [<ffffffff9e0f2cb1>] __irq_exit_rcu+0xd1/0x160 [ 572.508795] softirqs last disabled at (4594473): [<ffffffff9e0f2cb1>] __irq_exit_rcu+0xd1/0x160 [ 572.508798] ---[ end trace 0000000000000000 ]--- [ 577.607889] ------------[ cut here ]------------ [ 577.608030] WARNING: CPU: 27 PID: 6485 at drivers/gpu/drm/drm_syncobj.c:400 drm_syncobj_find_fence+0x224/0x2c0 [ 577.608045] Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer snd_seq_midi snd_seq_midi_event 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr bnep sunrpc binfmt_misc snd_hda_codec_realtek snd_hda_codec_generic iwlmvm intel_rapl_msr ledtrig_audio snd_hda_codec_hdmi intel_rapl_common vfat fat snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec mac80211 edac_mce_amd snd_hda_core snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi btusb kvm_amd btrtl snd_seq btbcm libarc4 snd_seq_device btintel snd_pcm kvm iwlwifi uvcvideo xone_dongle(OE) btmtk videobuf2_vmalloc xone_gip_bus(OE) videobuf2_memops eeepc_wmi videobuf2_v4l2 asus_wmi iwlmei bluetooth sparse_keymap irqbypass videobuf2_common snd_timer platform_profile rapl video pcspkr wmi_bmof videodev k10temp [ 577.609566] i2c_piix4 snd cfg80211 joydev ecdh_generic mc soundcore rfkill mei acpi_cpufreq scsi_dh_rdac scsi_dh_emc scsi_dh_alua dm_multipath zram hid_logitech_hidpp hid_logitech_dj amdgpu crct10dif_pclmul crc32_pclmul crc32c_intel ucsi_ccg drm_ttm_helper ghash_clmulni_intel ttm sp5100_tco igb ccp typec_ucsi nvme iommu_v2 typec gpu_sched nvme_core dca wmi ip6_tables ip_tables ipmi_devintf ipmi_msghandler fuse [ 577.609688] CPU: 27 PID: 6485 Comm: GameThread Tainted: G W OEL --------- --- 5.18.0-0.rc0.20220324gited4643521e6a.6.fc37.x86_64 #1 [ 577.609697] Hardware name: System manufacturer System Product Name/ROG STRIX X570-I GAMING, BIOS 4204 02/24/2022 [ 577.609704] RIP: 0010:drm_syncobj_find_fence+0x224/0x2c0 [ 577.609714] Code: 70 90 9f e8 1e 1c 76 ff e8 29 0f 50 00 8b 15 cf d6 af 01 85 d2 74 15 65 48 8b 04 25 80 1e 02 00 8b 80 78 0e 00 00 85 c0 74 02 <0f> 0b 4c 89 e7 e8 62 e9 ff ff 49 89 45 00 48 85 c0 0f 85 2e fe ff [ 577.609722] RSP: 0018:ffffb748d2d8fac0 EFLAGS: 00010202 [ 577.609731] RAX: 0000000000000001 RBX: 0000000000000002 RCX: ffff9e1c51140000 [ 577.609738] RDX: 0000000000000001 RSI: ffffffff9f81a22d RDI: ffffffff9f8bb1ce [ 577.609744] RBP: ffffb748d2d8fb40 R08: 0000000000000002 R09: 0000000024924a83 [ 577.609751] R10: 0000000000000001 R11: 0000000000000000 R12: ffff9e1c74a3bf80 [ 577.609757] R13: ffffb748d2d8fb50 R14: 0000000000000011 R15: 0000000000001388 [ 577.609765] FS: 000000007d2af640(0000) GS:ffff9e29a9600000(0000) knlGS:000000007a4b0000 [ 577.609772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 577.609778] CR2: 00007fb5bb69b000 CR3: 00000002b492e000 CR4: 0000000000350ee0 [ 577.609786] Call Trace: [ 577.609791] <TASK> [ 577.609801] ? find_held_lock+0x32/0x80 [ 577.609811] ? sched_clock_cpu+0xb/0xc0 [ 577.609824] ? lock_release+0x14f/0x460 [ 577.609842] amdgpu_syncobj_lookup_and_add_to_sync+0x24/0xb0 [amdgpu] [ 577.610175] amdgpu_cs_ioctl+0xcb5/0x20b0 [amdgpu] [ 577.610476] ? __lock_acquire+0x387/0x1ee0 [ 577.610554] ? amdgpu_cs_find_mapping+0xe0/0xe0 [amdgpu] [ 577.610845] drm_ioctl_kernel+0xa1/0x150 [ 577.610865] drm_ioctl+0x21c/0x410 [ 577.610880] ? amdgpu_cs_find_mapping+0xe0/0xe0 [amdgpu] [ 577.611208] ? lock_release+0x14f/0x460 [ 577.611220] ? _raw_spin_unlock_irqrestore+0x30/0x60 [ 577.611232] ? lockdep_hardirqs_on+0x7d/0x100 [ 577.611242] ? _raw_spin_unlock_irqrestore+0x40/0x60 [ 577.611260] amdgpu_drm_ioctl+0x4a/0x80 [amdgpu] [ 577.611548] __x64_sys_ioctl+0x8d/0xc0 [ 577.611564] do_syscall_64+0x3a/0x80 [ 577.611576] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 577.611584] RIP: 0033:0x7fb5dd50b29f [ 577.611614] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 577.611622] RSP: 002b:000000007d2ad3f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 577.611632] RAX: ffffffffffffffda RBX: 000000007d2ad6b8 RCX: 00007fb5dd50b29f [ 577.611639] RDX: 000000007d2ad4d0 RSI: 00000000c0186444 RDI: 00000000000000bd [ 577.611645] RBP: 000000007d2ad4d0 R08: 00007fb54c038b60 R09: 000000007d2ad490 [ 577.611651] R10: 000000007fe71860 R11: 0000000000000246 R12: 00000000c0186444 [ 577.611657] R13: 00000000000000bd R14: 000000007d2ad690 R15: 00007fb54c038c20 [ 577.611692] </TASK> [ 577.611698] irq event stamp: 7565 [ 577.611703] hardirqs last enabled at (7573): [<ffffffff9e17a17e>] __up_console_sem+0x5e/0x70 [ 577.611713] hardirqs last disabled at (7580): [<ffffffff9e17a163>] __up_console_sem+0x43/0x70 [ 577.611722] softirqs last enabled at (7416): [<ffffffff9e0f2cb1>] __irq_exit_rcu+0xd1/0x160 [ 577.611731] softirqs last disabled at (7409): [<ffffffff9e0f2cb1>] __irq_exit_rcu+0xd1/0x160 [ 577.611739] ---[ end trace 0000000000000000 ]--- Unfortunately git bisect is not did not provide expected result due to the large number of failed builds [3]. git bisect says that the code that prints the warnings was added by Christian König. $ git blame drivers/dma-buf/dma-fence-array.c -L 181,201 e8b767f5e04097a^ Blaming lines: 9% (21/221), done. 0fd9803b985e5 drivers/dma-buf/dma-fence-array.c (Christian König 2022-01-19 11:40:21 +0100 181) * containers or otherwise we run into recursion and potential kernel 0fd9803b985e5 drivers/dma-buf/dma-fence-array.c (Christian König 2022-01-19 11:40:21 +0100 182) * stack overflow on operations on the dma_fence_array. 0fd9803b985e5 drivers/dma-buf/dma-fence-array.c (Christian König 2022-01-19 11:40:21 +0100 183) * 0fd9803b985e5 drivers/dma-buf/dma-fence-array.c (Christian König 2022-01-19 11:40:21 +0100 184) * The correct way of handling this is to flatten out the array by the 0fd9803b985e5 drivers/dma-buf/dma-fence-array.c (Christian König 2022-01-19 11:40:21 +0100 185) * caller instead. 0fd9803b985e5 drivers/dma-buf/dma-fence-array.c (Christian König 2022-01-19 11:40:21 +0100 186) * 0fd9803b985e5 drivers/dma-buf/dma-fence-array.c (Christian König 2022-01-19 11:40:21 +0100 187) * Enforce this here by checking that we don't create a dma_fence_array 0fd9803b985e5 drivers/dma-buf/dma-fence-array.c (Christian König 2022-01-19 11:40:21 +0100 188) * with any container inside. 0fd9803b985e5 drivers/dma-buf/dma-fence-array.c (Christian König 2022-01-19 11:40:21 +0100 189) */ 0fd9803b985e5 drivers/dma-buf/dma-fence-array.c (Christian König 2022-01-19 11:40:21 +0100 190) while (num_fences--) 0fd9803b985e5 drivers/dma-buf/dma-fence-array.c (Christian König 2022-01-19 11:40:21 +0100 191) WARN_ON(dma_fence_is_container(fences[num_fences])); 0fd9803b985e5 drivers/dma-buf/dma-fence-array.c (Christian König 2022-01-19 11:40:21 +0100 192) b3dfbdf261e07 drivers/dma-buf/fence-array.c (Gustavo Padovan 2016-06-01 15:10:03 +0200 193) return array; b3dfbdf261e07 drivers/dma-buf/fence-array.c (Gustavo Padovan 2016-06-01 15:10:03 +0200 194) } f54d1867005c3 drivers/dma-buf/dma-fence-array.c (Chris Wilson 2016-10-25 13:00:45 +0100 195) EXPORT_SYMBOL(dma_fence_array_create); d5b72a2123dfa drivers/dma-buf/dma-fence-array.c (Philipp Zabel 2017-03-17 17:34:49 +0100 196) d5b72a2123dfa drivers/dma-buf/dma-fence-array.c (Philipp Zabel 2017-03-17 17:34:49 +0100 197) /** d5b72a2123dfa drivers/dma-buf/dma-fence-array.c (Philipp Zabel 2017-03-17 17:34:49 +0100 198) * dma_fence_match_context - Check if all fences are from the given context d5b72a2123dfa drivers/dma-buf/dma-fence-array.c (Philipp Zabel 2017-03-17 17:34:49 +0100 199) * @fence: [in] fence or fence array d5b72a2123dfa drivers/dma-buf/dma-fence-array.c (Philipp Zabel 2017-03-17 17:34:49 +0100 200) * @context: [in] fence context to check all fences against Christian can you lit the light on what's going on here? Thanks. [1] https://pastebin.com/tSWvLBus [2] https://pastebin.com/VqNmYDm2 [3] https://pastebin.com/efHf3UF3 -- Best Regards, Mike Gavrilov.
