linux-kernel - Re: Nouveau video --- [ cut here ] ----- crash dump 5.10.0-rc6

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Date:   Thu, 3 Dec 2020 15:13:40 +1000
From:   Dave Airlie <airlied@...il.com>
To:     bob <gillb4@...usplanet.net>, Ben Skeggs <skeggsb@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        nouveau <Nouveau@...ts.freedesktop.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>
Subject: Re: Nouveau video --- [ cut here ] ----- crash dump 5.10.0-rc6

cc'ing Ben + nouveau

On Thu, 3 Dec 2020 at 14:59, bob <gillb4@...usplanet.net> wrote:
>
> Hello.  I have a crash dump for:
>
> $ uname -a
> Linux freedom 5.10.0-rc6 #1 SMP Sun Nov 29 17:26:13 MST 2020 x86_64
> x86_64 x86_64 GNU/Linux
>
> Occasionally when this dumps it likes to lock up the computer, but I
> caught it this time.
>
> Also video likes to flicker a lot.   Nouveau has been iffy since kernel
> 5.8.0.
>
> This isn't the only dump, it dumped probably 50 times.  If you are
> really desperate for all of it,
>
> reply to me directly as I'm not on the mailing list.  Here is one of them.
>
> [39019.426580] ------------[ cut here ]------------
> [39019.426589] WARNING: CPU: 6 PID: 14136 at
> drivers/gpu/drm/nouveau/dispnv50/disp.c:211 nv50_dmac_wait+0x1e1/0x230
> [39019.426590] Modules linked in: mt2131 s5h1409 fuse tda8290 tuner
> cx25840 rt2800usb rt2x00usb rt2800lib snd_hda_codec_analog
> snd_hda_codec_generic ledtrig_audio rt2x00lib binfmt_misc
> intel_powerclamp coretemp cx23885 mac80211 tda18271 altera_stapl
> videobuf2_dvb m88ds3103 tveeprom cx2341x dvb_core rc_core i2c_mux
> snd_hda_codec_hdmi videobuf2_dma_sg videobuf2_memops videobuf2_v4l2
> snd_hda_intel videobuf2_common snd_intel_dspcfg kvm_intel snd_hda_codec
> videodev snd_hda_core kvm mc snd_hwdep snd_pcm_oss snd_mixer_oss
> irqbypass snd_pcm cfg80211 snd_seq_dummy snd_seq_midi snd_seq_oss
> snd_seq_midi_event snd_rawmidi snd_seq intel_cstate snd_seq_device
> serio_raw snd_timer input_leds nfsd libarc4 snd asus_atk0110 i7core_edac
> soundcore i5500_temp auth_rpcgss nfs_acl lockd grace sch_fq_codel sunrpc
> parport_pc ppdev lp parport ip_tables x_tables btrfs blake2b_generic
> libcrc32c xor zstd_compress raid6_pq dm_mirror dm_region_hash dm_log
> pata_acpi pata_marvell hid_generic usbhid hid psmouse firewire_ohci
> [39019.426650]  firewire_core crc_itu_t i2c_i801 ahci sky2 libahci
> i2c_smbus lpc_ich
> [39019.426658] CPU: 6 PID: 14136 Comm: kworker/u16:0 Tainted: G        W
> I       5.10.0-rc6 #1
> [39019.426659] Hardware name: System manufacturer System Product
> Name/P6T DELUXE, BIOS 2209    09/21/2010
> [39019.426662] Workqueue: events_unbound nv50_disp_atomic_commit_work
> [39019.426665] RIP: 0010:nv50_dmac_wait+0x1e1/0x230
> [39019.426667] Code: 8d 48 04 48 89 4a 68 c7 00 00 00 00 20 49 8b 46 38
> 41 c7 86 20 01 00 00 00 00 00 00 49 89 46 68 e8 e4 fc ff ff e9 76 fe ff
> ff <0f> 0b b8 92 ff ff ff e9 ed fe ff ff 49 8b be 80 00 00 00 e8 c7 fc
> [39019.426668] RSP: 0018:ffffb79d028ebd48 EFLAGS: 00010282
> [39019.426670] RAX: ffffffffffffff92 RBX: 000000000000000d RCX:
> 0000000000000000
> [39019.426671] RDX: ffffffffffffff92 RSI: ffffb79d028ebc88 RDI:
> ffffb79d028ebd28
> [39019.426671] RBP: ffffb79d028ebd48 R08: 0000000000000000 R09:
> ffffb79d028ebc58
> [39019.426672] R10: 0000000000000030 R11: 00000000000011c4 R12:
> 00000000fffffffb
> [39019.426673] R13: ffffa05fc1ebd368 R14: ffffa05fc1ebd3a8 R15:
> ffffa05fc2425000
> [39019.426675] FS:  0000000000000000(0000) GS:ffffa061f3d80000(0000)
> knlGS:0000000000000000
> [39019.426676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [39019.426677] CR2: 00007fb2d58e0000 CR3: 000000026280a000 CR4:
> 00000000000006e0
> [39019.426678] Call Trace:
> [39019.426685]  base827c_image_set+0x2f/0x1d0
> [39019.426687]  nv50_wndw_flush_set+0x89/0x1c0
> [39019.426688]  nv50_disp_atomic_commit_tail+0x4e7/0x7e0
> [39019.426693]  process_one_work+0x1d4/0x370
> [39019.426695]  worker_thread+0x4a/0x3b0
> [39019.426697]  ? process_one_work+0x370/0x370
> [39019.426699]  kthread+0xfe/0x140
> [39019.426701]  ? kthread_park+0x90/0x90
> [39019.426704]  ret_from_fork+0x22/0x30
> [39019.426706] ---[ end trace d512d675211c738c ]---
> [39021.426751] ------------[ cut here ]------------
>
>
> Thanks in advance,
>
> Bob
>