about NVHDA

[Patrice Duroux]

Dear all,

I don't know where exactly to notify about this so let go first with Nvidia
packaging team.
Since many upgrades on my Sid install, I am looking for a solution to an
invasion of messages like those:
[   32.496626] snd_hda_codec_hdmi hdaudioC1D0: Unable to sync register
0x4f0100. -5
[   32.496642] snd_hda_codec_hdmi hdaudioC1D0: HDMI: invalid ELD buf size -1
[   32.496651] snd_hda_codec_hdmi hdaudioC1D0: HDMI: invalid ELD buf size -1
[   32.496657] snd_hda_codec_hdmi hdaudioC1D0: HDMI: invalid ELD buf size -1
[   32.498104] snd_hda_codec_hdmi hdaudioC1D0: out of range cmd
0:4:707:ffffffff
[   32.509011] snd_hda_codec_hdmi hdaudioC1D0: out of range cmd
0:4:707:ffffffbf
[   32.509748] snd_hda_codec_hdmi hdaudioC1D0: out of range cmd
0:4:707:ffffffff
[   32.521118] snd_hda_codec_hdmi hdaudioC1D0: out of range cmd
0:4:707:ffffffbf
[   32.522341] snd_hda_codec_hdmi hdaudioC1D0: out of range cmd
0:4:707:ffffffff
[   32.533157] snd_hda_codec_hdmi hdaudioC1D0: out of range cmd
0:4:707:ffffffbf

May be to get an idea here is the list of PCI devices:
$ sudo lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core
Processor DRAM Controller (rev 06)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core
Processor PCI Express x16 Controller (rev 06)
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor
Integrated Graphics Controller (rev 06)
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset
Family USB xHCI (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series
Chipset Family MEI Controller #1 (rev 04)
00:19.0 Ethernet controller: Intel Corporation Ethernet Connection I217-LM
(rev 04)
00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset
Family USB EHCI #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High
Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family
PCI Express Root Port #1 (rev d4)
00:1c.6 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family
PCI Express Root Port #7 (rev d4)
00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset
Family USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation QM87 Express LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset
Family 6-port SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus
Controller (rev 04)
01:00.0 VGA compatible controller: NVIDIA Corporation GK208GLM [Quadro
K610M] (rev a1)
01:00.1 Audio device: NVIDIA Corporation GK208 HDMI/DP Audio Controller
(rev ff)
3b:00.0 PCI bridge: Pericom Semiconductor Device 2404 (rev 05)
3c:01.0 PCI bridge: Pericom Semiconductor Device 2404 (rev 05)
3c:02.0 PCI bridge: Pericom Semiconductor Device 2404 (rev 05)
3c:03.0 PCI bridge: Pericom Semiconductor Device 2404 (rev 05)
3d:00.0 Network controller: Intel Corporation Wireless 7260 (rev 6b)
5f:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5249
PCI Express Card Reader (rev 01)

So having then a Nvidia Optimus there are also the bumblebee-nvidia and
primus packages installed, meaning that the nvidia module is not loaded by
default.

Recently i found this: https://github.com/hhfeuer/nvhda
that I currently experiencing on my laptop with much less messages for now.
But still to know if it is a real long term solution.
Does any Debian dev/user facing the same?
Something interesting to try to package?

Cheers,
Patrice
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