I also have exactly same problem, but with a bit different HW.
Now it's USB DAC branded as "Qudelix-5K". As far as I understand it's
USB1 device.
[ 174.358189] usb 5-2.3.2.2.1.1: new full-speed USB device number 17 using
xhci_hcd
[ 174.475229] usb 5-2.3.2.2.1.1: New USB device found, idVendor=0a12,
idProduct=4025, bcdDevice=19.70
[ 174.475232] usb 5-2.3.2.2.1.1: New USB device strings: Mfr=1, Product=8,
SerialNumber=3
[ 174.475233] usb 5-2.3.2.2.1.1: Product: Qudelix-5K USB DAC/MIC 48KHz
[ 174.475234] usb 5-2.3.2.2.1.1: Manufacturer: QTIL
[ 174.475235] usb 5-2.3.2.2.1.1: SerialNumber: ABCDEF0123456789
It produces corrupted sound (actually some noise) just after a few
seconds of playback if connected to Dell WD19TB thunderbolt dock
station. Issue happens with USB-A ports on dock plus one Type-C port
(front). Second Type-C port (named as "Type-C with Thunderbolt 3 port"
works.
When such noise happens I'm getting followed in dmesg:
xhci_hcd 0000:3a:00.0: ERROR Transfer event TRB DMA ptr not part of current TD
ep_index 5 comp_code 1
xhci_hcd 0000:3a:00.0: Looking for event-dma 00000000ffe940f0 trb-start
00000000ffe94100 trb-end 00000000ffe94100 seg-start 00000000ffe94000 seg-end
00000000ffe94ff0
xhci_hcd 0000:3a:00.0: ERROR Transfer event TRB DMA ptr not part of current TD
ep_index 5 comp_code 1
xhci_hcd 0000:3a:00.0: Looking for event-dma 00000000ffe949b0 trb-start
00000000ffe949c0 trb-end 00000000ffe949c0 seg-start 00000000ffe94000 seg-end
00000000ffe94ff0
I've tried to add/remove extra USB hubs (originally Qudelix was plugged
to internal USB3 hub of monitor). But even if plugged directly to dock,
it produces corrupted sound.
Another important thing: this dock has built-in Ethernet with r8153
chipset like mentioned above.
After reading comments here I've tried to disable soft retry using
followed patch:
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 1c9a7957c45c..07cbcf50160c 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -189,10 +189,11 @@ static void xhci_pci_quirks(struct device *dev, struct
xhci_hcd *xhci)
if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
xhci->quirks |= XHCI_LPM_SUPPORT;
xhci->quirks |= XHCI_INTEL_HOST;
xhci->quirks |= XHCI_AVOID_BEI;
+ xhci->quirks |= XHCI_NO_SOFT_RETRY;
}
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
pdev->device == PCI_DEVICE_ID_INTEL_PANTHERPOINT_XHCI) {
xhci->quirks |= XHCI_EP_LIMIT_QUIRK;
xhci->limit_active_eps = 64;
And it completely fixed issue for me. DAC produces clear sound even if
connected through chain of two hubs!
PS.
lspci -k -nn | grep -B2 xhci
00:14.0 USB controller [0c03]: Intel Corporation Comet Lake PCH-LP USB 3.1 xHCI
Host Controller [8086:02ed]
Subsystem: Hewlett-Packard Company Comet Lake PCH-LP USB 3.1 xHCI Host
Controller [103c:8724]
Kernel driver in use: xhci_hcd
Kernel modules: xhci_pci
--
37:00.0 USB controller [0c03]: Intel Corporation JHL7540 Thunderbolt 3 USB
Controller [Titan Ridge 4C 2018] [8086:15ec] (rev 06)
Subsystem: Hewlett-Packard Company JHL7540 Thunderbolt 3 USB Controller
[Titan Ridge 4C 2018] [103c:8723]
Kernel driver in use: xhci_hcd
Kernel modules: xhci_pci
--
3a:00.0 USB controller [0c03]: Intel Corporation JHL7540 Thunderbolt 3 USB
Controller [Titan Ridge DD 2018] [8086:15f0] (rev 06)
Subsystem: Intel Corporation JHL7540 Thunderbolt 3 USB Controller
[Titan Ridge DD 2018] [8086:0000]
Kernel driver in use: xhci_hcd
Kernel modules: xhci_pci
5.14.6 kernel
Hope that this will help to fix it
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https://bugs.launchpad.net/bugs/1749961
Title:
xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1
Controller
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