Hello, I'm getting following messages from nouveau from dmesg during boot. Should I be concerned or is this normal ? System : Dell Optiplex 760 NVIDIA Quadro 2000 AOC Q32279VWFD8 [ 6.199615] nouveau 0000:01:00.0: vgaarb: deactivate vga console [ 6.206519] Console: switching to colour dummy device 80x25 [ 6.206905] nouveau 0000:01:00.0: NVIDIA GF106 (0c3c00a1) [ 6.347687] nouveau 0000:01:00.0: bios: version 70.06.41.00.06 [ 6.477645] nouveau 0000:01:00.0: fb: 1024 MiB GDDR5 [ 7.325627] [TTM] Zone kernel: Available graphics memory: 1926926 KiB [ 7.325638] [TTM] Initializing pool allocator [ 7.325652] [TTM] Initializing DMA pool allocator [ 7.325685] nouveau 0000:01:00.0: DRM: VRAM: 1024 MiB [ 7.325692] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB [ 7.325701] nouveau 0000:01:00.0: DRM: TMDS table version 2.0 [ 7.325708] nouveau 0000:01:00.0: DRM: DCB version 4.0 [ 7.325715] nouveau 0000:01:00.0: DRM: DCB outp 00: 02000300 00000000 [ 7.325723] nouveau 0000:01:00.0: DRM: DCB outp 01: 01000302 00020030 [ 7.325730] nouveau 0000:01:00.0: DRM: DCB outp 02: 048113b6 0f220010 [ 7.325738] nouveau 0000:01:00.0: DRM: DCB outp 03: 04011372 00020010 [ 7.325745] nouveau 0000:01:00.0: DRM: DCB outp 04: 028223a6 0f220010 [ 7.325752] nouveau 0000:01:00.0: DRM: DCB outp 05: 02022362 00020010 [ 7.325759] nouveau 0000:01:00.0: DRM: DCB conn 00: 00001030 [ 7.325766] nouveau 0000:01:00.0: DRM: DCB conn 01: 00820146 [ 7.325772] nouveau 0000:01:00.0: DRM: DCB conn 02: 00410246 [ 7.326686] nouveau 0000:01:00.0: DRM: MM: using COPY0 for buffer copies [ 7.454864] nouveau 0000:01:00.0: DRM: allocated 2560x1440 fb: 0x60000, bo 00000000e8527e3a [ 7.467701] fbcon: nouveaudrmfb (fb0) is primary device [ 7.575847] Console: switching to colour frame buffer device 320x90 [ 7.579874] nouveau 0000:01:00.0: [drm] fb0: nouveaudrmfb frame buffer device [ 7.593362] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on minor 0 [ 114.930202] ------------[ cut here ]------------ [ 114.930212] DMA-API: nouveau 0000:01:00.0: device driver tries to sync DMA memory it has not allocated [device address=0x0000000040e12000] [size=4096 bytes] [ 114.930230] WARNING: CPU: 0 PID: 1243 at kernel/dma/debug.c:1099 check_sync+0x1e9/0x730 [ 114.930232] Modules linked in: xt_CHECKSUM tun bridge stp llc ccm nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast xt_MASQUERADE nft_fib_inet nft_fib_ipv4 xt_state xt_conntrack nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv6 nft_reject ipt_REJECT nft_ct nf_reject_ipv4 nft_chain_nat nf_tables nf_nat_h323 nf_conntrack_h323 nf_nat_pptp ebtable_nat nf_conntrack_pptp ebtable_broute ip6table_nat nf_nat_tftp nf_conntrack_tftp nf_nat_sip ip6table_mangle nf_conntrack_sip ip6table_raw nf_nat_irc nf_conntrack_irc ip6table_security nf_nat_ftp nf_conntrack_ftp iptable_mangle iptable_raw iptable_nat nf_nat iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter sunrpc snd_hda_codec_analog snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation zd1211rw snd_soc_core snd_compress snd_pcm_dmaengine soundwire_cadence snd_hda_codec [ 114.930316] mac80211 snd_hda_core ac97_bus snd_hwdep snd_seq coretemp cfg80211 kvm_intel snd_seq_device snd_pcm gpio_ich kvm rfkill ppdev snd_timer libarc4 iTCO_wdt snd pcspkr intel_pmc_bxt iTCO_vendor_support mei_wdt parport_pc soundcore mei_me wmi_bmof parport at24 mei dell_wmi sparse_keymap dell_smbios dcdbas lpc_ich dell_wmi_descriptor irqbypass pktcdvd i2c_i801 i2c_smbus acpi_cpufreq zram ip_tables dm_thin_pool dm_persistent_data dm_bio_prison nouveau mxm_wmi i2c_algo_bit video ttm drm_kms_helper cec serio_raw drm e1000e ata_generic pata_acpi wmi fuse [ 114.930390] CPU: 0 PID: 1243 Comm: Xwayland Not tainted 5.10.9-201.fc33.x86_64+debug #1 [ 114.930392] Hardware name: Dell Inc. OptiPlex 760 /0M858N, BIOS A16 08/06/2013 [ 114.930396] RIP: 0010:check_sync+0x1e9/0x730 [ 114.930401] Code: 89 54 24 08 e8 48 d9 72 00 4c 8b 54 24 08 48 89 c6 49 89 e8 4c 89 f1 4c 89 ea 48 c7 c7 a8 02 5d 98 4c 89 14 24 e8 b4 f5 b2 00 <0f> 0b 4c 8b 14 24 8b 05 5b 31 ee 01 85 c0 0f 84 96 04 00 00 48 83 [ 114.930404] RSP: 0018:ffffa9fa02c63ae0 EFLAGS: 00010082 [ 114.930407] RAX: 0000000000000090 RBX: ffffa9fa02c63b40 RCX: ffff9878931db238 [ 114.930409] RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff9878931db230 [ 114.930412] RBP: 0000000000001000 R08: 0000000000000000 R09: ffffa9fa02c63918 [ 114.930414] R10: ffffa9fa02c63910 R11: ffffffff98d63d08 R12: ffffffff9a5afbe0 [ 114.930417] R13: ffff98788162fa60 R14: 0000000040e12000 R15: 0000000040e12000 [ 114.930420] FS: 00007fcaf32d3a80(0000) GS:ffff987893000000(0000) knlGS:0000000000000000 [ 114.930423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.930425] CR2: 000055f807730f70 CR3: 00000000365a0000 CR4: 00000000000006f0 [ 114.930427] Call Trace: [ 114.930439] debug_dma_sync_single_for_device+0x51/0x60 [ 114.930454] ? ttm_bo_validate+0x4c/0x1a0 [ttm] [ 114.930459] ? dma_resv_reserve_shared+0x191/0x330 [ 114.930463] ? lock_release+0x1cb/0x3e0 [ 114.930548] nouveau_bo_sync_for_device+0x53/0x70 [nouveau] [ 114.930599] nouveau_bo_validate+0x58/0x70 [nouveau] [ 114.930649] nouveau_gem_ioctl_pushbuf+0x734/0x1500 [nouveau] [ 114.930703] ? nouveau_gem_ioctl_new+0xd0/0xd0 [nouveau] [ 114.930746] drm_ioctl_kernel+0x8c/0xe0 [drm] [ 114.930766] drm_ioctl+0x20f/0x3a0 [drm] [ 114.930815] ? nouveau_gem_ioctl_new+0xd0/0xd0 [nouveau] [ 114.930821] ? trace_hardirqs_on+0x1b/0xd0 [ 114.930870] nouveau_drm_ioctl+0x55/0xa0 [nouveau] [ 114.930876] __x64_sys_ioctl+0x83/0xb0 [ 114.930881] do_syscall_64+0x33/0x40 [ 114.930886] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 114.930890] RIP: 0033:0x7fcaf3b2b38b [ 114.930894] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d bd ba 0c 00 f7 d8 64 89 01 48 [ 114.930896] RSP: 002b:00007ffc8d9acbd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 114.930900] RAX: ffffffffffffffda RBX: 00007ffc8d9acc40 RCX: 00007fcaf3b2b38b [ 114.930902] RDX: 00007ffc8d9acc40 RSI: 00000000c0406481 RDI: 000000000000000e [ 114.930905] RBP: 00000000c0406481 R08: 000055f80771d330 R09: 000055f807730f68 [ 114.930907] R10: 000055f808038470 R11: 0000000000000246 R12: 000055f80771ff60 [ 114.930909] R13: 000000000000000e R14: 000055f80771d070 R15: 000055f80771d330 [ 114.930916] irq event stamp: 0 [ 114.930919] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 114.930923] hardirqs last disabled at (0): [<ffffffff970d9b08>] copy_process+0x718/0x1cc0 [ 114.930926] softirqs last enabled at (0): [<ffffffff970d9b08>] copy_process+0x718/0x1cc0 [ 114.930929] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 114.930931] ---[ end trace cc44c6c67bc5646c ]--- [ 122.191193] rfkill: input handler enabled [ 125.110052] nouveau 0000:01:00.0: fifo: read fault at 0000248000 engine 05 [BAR3] client 07 [BAR_READ] reason 02 [PAGE_NOT_PRESENT] on channel -1 [003fdf8000 unknown] [ 135.296857] nouveau 0000:01:00.0: fifo: read fault at 0000234000 engine 05 [BAR3] client 07 [BAR_READ] reason 02 [PAGE_NOT_PRESENT] on channel -1 [003fdf8000 unknown] [ 149.945527] nouveau 0000:01:00.0: fifo: read fault at 0000232000 engine 05 [BAR3] client 07 [BAR_READ] reason 02 [PAGE_NOT_PRESENT] on channel -1 [003fdf8000 unknown]