https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230659
Bug ID: 230659
Summary: xhci(4) devices cannot attach after warm boot (Intel
Braswell)
Product: Base System
Version: 11.1-STABLE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: usb
Assignee: u...@freebsd.org
Reporter: sobo...@freebsd.org
Created attachment 196233
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=196233&action=edit
debug with hw.usb.xhci.debug=16 after warm boot
Hi, we've observed this issue with several different kinds of small board
computers based off Intel Atom x5-Z8350 chipset. It has number of peripherals
connected via USB3 bus.
Nornal USB-related output looks like the following:
xhci0: <Intel Braswell USB 3.0 controller> mem 0x91800000-0x9180ffff at device
20.0 on pci0
xhci0: 32 bytes context size, 64-bit DMA
usbus0 on xhci0
usbus0: 5.0Gbps Super Speed USB v3.0
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
ugen0.1: <0x8086 XHCI root HUB> at usbus0
uhub0: <0x8086 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0
uhub0: 13 ports with 13 removable, self powered
ugen0.2: <Lite-On Technology Corp. USB Multimedia Keyboard> at usbus0
ukbd0 on uhub0
ukbd0: <Lite-On Technology Corp. USB Multimedia Keyboard, class 0/0, rev
1.10/1.15, addr 1> on usbus0
ugen0.3: <vendor 0x05e3 USB2.0 Hub> at usbus0
uhub1 on uhub0
uhub1: <vendor 0x05e3 USB2.0 Hub, class 9/0, rev 2.00/85.37, addr 2> on usbus0
uhub1: 4 ports with 2 removable, self powered
ugen0.4: <Arduino LLC Arduino Leonardo> at usbus0
ugen0.5: <Realtek USB 10100 LAN> at usbus0
ure0 on uhub0
ure0: <Realtek USB 10100 LAN, class 0/0, rev 2.10/20.00, addr 4> on usbus0
uhid0 on uhub0
uhid0: <Lite-On Technology Corp. USB Multimedia Keyboard, class 0/0, rev
1.10/1.15, addr 1> on usbus0
umodem0 on uhub1
umodem0: <Arduino LLC Arduino Leonardo, class 2/0, rev 2.00/1.00, addr 3> on
usbus0
umodem0: data interface 1, has no CM over data, has break
uhid1 on uhub1
uhid1: <Arduino LLC Arduino Leonardo, class 2/0, rev 2.00/1.00, addr 3> on
usbus0
ue0: <USB Ethernet> on ure0
ue0: Ethernet address: 00:e0:4c:36:ed:f0
ue0: link state changed to DOWN
ue0: link state changed to UP
Everything works fine after a cold boot, but when the system is rebooted
without taking power down, number of USB devices including network controller
fail to attach with the following error message(s):
Jul 17 14:18:10 alx20 kernel: usb_alloc_device: set address 5 failed
(USB_ERR_IOERROR, ignored)
Jul 17 14:18:10 alx20 kernel: usbd_setup_device_desc: getting device descriptor
at addr 5 failed, USB_ERR_IOERROR
Jul 17 14:18:10 alx20 kernel: usbd_req_re_enumerate: addr=5, set address
failed! (USB_ERR_IOERROR, ignored)
Jul 17 14:18:10 alx20 kernel: usbd_setup_device_desc: getting device descriptor
at addr 5 failed, USB_ERR_IOERROR
Jul 17 14:18:10 alx20 kernel: usbd_req_re_enumerate: addr=5, set address
failed! (USB_ERR_IOERROR, ignored)
Jul 17 14:18:10 alx20 kernel: usbd_setup_device_desc: getting device descriptor
at addr 5 failed, USB_ERR_IOERROR
Jul 17 14:18:10 alx20 kernel: usbd_req_re_enumerate: addr=5, set address
failed! (USB_ERR_IOERROR, ignored)
Jul 17 14:18:10 alx20 kernel: usbd_setup_device_desc: getting device descriptor
at addr 5 failed, USB_ERR_IOERROR
Jul 17 14:18:11 alx20 kernel: usbd_req_re_enumerate: addr=5, set address
failed! (USB_ERR_IOERROR, ignored)
Jul 17 14:18:11 alx20 kernel: usbd_setup_device_desc: getting device descriptor
at addr 5 failed, USB_ERR_IOERROR
Jul 17 14:18:11 alx20 kernel: ugen0.5: <Unknown > at usbus0 (disconnected)
Jul 17 14:18:11 alx20 kernel: uhub_reattach_port: could not allocate new device
Full debug with hw.usb.xhci.debug=16 after warm boot is attached.
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