Date: Tue, 17 Nov 2020 19:13:38 +0000 From: bugzilla-noreply@freebsd.org To: usb@FreeBSD.org Subject: [Bug 238235] Interrupt storms from USB bluetooth dongle Message-ID: <bug-238235-19105-w9hCInQrzd@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-238235-19105@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=238235 --- Comment #1 from sauvr@protonmail.com --- It's the same for me. I don't know if it's okay or not. But it reduces overall system performance by ~1% FreeBSD 13.0-CURRENT r367771 # dmesg -a | grep xhci xhci0: <Intel Panther Point USB 3.0 controller> mem 0xf7d00000-0xf7d0ffff irq 16 at device 20.0 on pci0 xhci0: 32 bytes context size, 64-bit DMA xhci_interrupt: host controller halted xhci0: Port routing mask set to 0xffffffff usbus0 on xhci0 # usbconfig dump_device_desc ugen0.2: <Broadcom Corp BCM20702A0> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON (100mA) bLength = 0x0012 bDescriptorType = 0x0001 bcdUSB = 0x0200 bDeviceClass = 0x00ff <Vendor specific> bDeviceSubClass = 0x0001 bDeviceProtocol = 0x0001 bMaxPacketSize0 = 0x0040 idVendor = 0x0b05 idProduct = 0x17cb bcdDevice = 0x0112 iManufacturer = 0x0001 <Broadcom Corp> iProduct = 0x0002 <BCM20702A0> # systam -vm 1 2000 xhci0 #sysctl hw.acpi.cpu.cx_lowest=C2 hw.acpi.cpu.cx_lowest: C1 -> C2 # systam -vm 1 1000 xhci0 -- You are receiving this mail because: You are the assignee for the bug.help
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