I can confirm that this bug affects me in Debian Bookworm (kernel 6.1) +
Pipewire with this hardware (and a DisplayPort -> HDMI adapter):
System:
Host: T440s Kernel: 6.1.0-13-amd64 arch: x86_64 bits: 64 Desktop: Cinnamon
v: 5.6.8 Distro:
Another instance in the wild:
https://www.reddit.com/r/debian/comments/14lje8f/comment/jpwmckm/?context=3
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Title:
Sound pause and resume lags few seconds behind the video, adding solves
this problem intel_iommu=on,igfx_off on Intel(R) Celeron(R) 2955U
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Created attachment 289289
dmesg-haswell-macbook11,1 (iommu is ON)
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Title:
Intel HDMI Audio not working with
Created attachment 289291
dmesg-haswell-macbook11,1 (iommu BUT with igfx_off)
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Title:
Intel HDMI Audio not
Created attachment 289285
DMAR table of Haswell macbookpro11,1 [8086:0a2e]
I have been able to reproduce this bug on a Haswell system, specifically
a 2013 Retina MacBookPro (macbookpro11,1) with an integrated Intel
graphics card, with a single HDMI out.
00:02.0 VGA compatible controller [0300]:
Created attachment 289287
lspci of affected haswell-macbookpro11,1
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Title:
Intel HDMI Audio not working with
"intel_iommu=on intremap=off" yields no sound.
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Title:
Intel HDMI Audio not working with IOMMU enabled
Status
Another instance of this bug:
https://www.reddit.com/r/archlinux/comments/ghozc1/cantt_get_audio_from_intel_graphics_hdmi_out/
Dear maintainers, maybe it's time to fix the IOMMU driver? Or, if IOMMU
maintainers are indeed unreachable, maybe ALSA maintainers can detect
this condition (iommu on,
Does it make a difference when you boot with 'intremap=off' on the
kernel command line?
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Title:
Intel HDMI Audio
Launchpad has imported 96 comments from the remote bug at
https://bugzilla.kernel.org/show_bug.cgi?id=60769.
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I've now tested the patch myself by patching kernel 4.10.0.21.23.
Unfortunately, it does not fix the problem.
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Zeke Laschinski, did you test the patch yourself and confirm it fixes
the problem you are experiencing?
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Title:
Ubuntu 17.04 with 4.10.0-21, libvirt 2.5.0, QEMU 2.8, and virt-manager 1.3.2.
Gigabyte EX58-UD3R Rev 1.6, ICH10 (00:1b.0) audio, x5675 (Westmere).
Nvidia GTX 275 for the host, GTX 1050 Ti for the VM.
Added to /etc/default/grub, updated grub, rebooted, and replaced the previous
entry each time:
I can confirm same problem with the latest mainstream 4.4.2 kernel on a fresh
install.
Same hardware as the OP except for the VGA, mine is the NVIDIA GTX 750 Ti
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Same issue with 4.2.0-27-generic, i7-4790K
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Title:
Intel HDMI Audio not working with IOMMU enabled
Status in
Glad to see this bug report isn't completely dead.
Can confirm too that the problem still exists with kernel
4.2.0-27-generic with the same motherboard as per the original bug
report.
The attached is a recent extract from dmesg outputs...I use vfio
passthrough for GFX on a Windows guest. You
** Bug watch added: Linux Kernel Bug Tracker #60769
http://bugzilla.kernel.org/show_bug.cgi?id=60769
** Also affects: alsa-driver via
http://bugzilla.kernel.org/show_bug.cgi?id=60769
Importance: Unknown
Status: Unknown
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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Seeing this with 4.2.0-27-generic on Haswell 4790K
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Title:
Intel HDMI Audio not working with IOMMU enabled
You have been subscribed to a public bug:
New ASRock Z97 Extreme 6 motherboard with an Intel i7 4790S and an
Nvidia GTX 650.
Host uses Intel IGD for video and HDMI audio out.
When I pass kernel flags 'intel_iommu=on' or 'intel_iommu=on,igfx_on'
HDMI audio no longer functions although the device
** Tags added: latest-bios-1.70
** Package changed: linux (Ubuntu) = alsa-driver (Ubuntu)
** Changed in: alsa-driver (Ubuntu)
Status: Confirmed = New
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