Date: Mon, 12 Jul 2021 16:32:44 +0000 From: bugzilla-noreply@freebsd.org To: usb@FreeBSD.org Subject: [Bug 257082] Sound with Scarlett Solo 3rd intermittently cuts off for very short periods of milliseconds. Message-ID: <bug-257082-19105-Q4KlJ2Pv43@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-257082-19105@https.bugs.freebsd.org/bugzilla/> References: <bug-257082-19105@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D257082 --- Comment #19 from Hans Petter Selasky <hselasky@FreeBSD.org> --- Hi, I see in the log that the time between interrupts is unstable. The delta on MFINDEX should be close to 8*8 =3D 64 microframes. Jul 10 22:02:46 nimfsoft kernel: xhci_setup_generic_chain: MFINDEX=3D0x0000= 0bfa Jul 10 22:02:46 nimfsoft kernel: xhci_setup_generic_chain: MFINDEX=3D0x0000= 0c45 Jul 10 22:02:46 nimfsoft kernel: xhci_setup_generic_chain: MFINDEX=3D0x0000= 0c8a Jul 10 22:02:46 nimfsoft kernel: xhci_setup_generic_chain: MFINDEX=3D0x0000= 0cd4 Jul 10 22:02:46 nimfsoft kernel: xhci_setup_generic_chain: MFINDEX=3D0x0000= 0d03 Jul 10 22:02:46 nimfsoft kernel: xhci_setup_generic_chain: MFINDEX=3D0x0000= 0d54 Jul 10 22:02:46 nimfsoft kernel: xhci_setup_generic_chain: MFINDEX=3D0x0000= 0dab 1) Can you check the "top" command, that no CPU cores are 100% busy? 2) Have you tried to disable any CPU power saving features? 3) What does "pciconf -lv" say about the XHCI host controller? 4) Can you do "dmesg | grep xhci". Should output something like this: xhci0: <Intel Sunrise Point-LP USB 3.0 controller> mem 0xdf210000-0xdf21ffff irq 16 at device 20.0 on pci0 xhci0: 32 bytes context size, 64-bit DMA --HPS --=20 You are receiving this mail because: You are the assignee for the bug.=
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