I have FreeBSD-current on a Lenovo T510 laptop.

Since a few weeks I observe the following error messages during boot:

usb_alloc_device: set address 2 failed (USB_ERR_TIMEOUT, ignored)
uhub2: 8 ports with 8 removable, self powered
usb_alloc_device: set address 3 failed (USB_ERR_TIMEOUT, ignored)
usbd_setup_device_desc: getting device descriptor at addr 3 failed, 
usbd_setup_device_desc: getting device descriptor at addr 2 failed, 
sdhci_pci0-slot0:  Controller timeout
sdhci_pci0-slot0: ============== REGISTER DUMP ==============
sdhci_pci0-slot0: Sys addr: 0x00000000 | Version:  0x00000400
sdhci_pci0-slot0: Blk size: 0x00000000 | Blk cnt:  0x00000000
sdhci_pci0-slot0: Argument: 0x00000000 | Trn mode: 0x00000000
sdhci_pci0-slot0: Present:  0x01ff0000 | Host ctl: 0x00000001
sdhci_pci0-slot0: Power:    0x0000000f | Blk gap:  0x00000000
sdhci_pci0-slot0: Wake-up:  0x00000000 | Clock:    0x00004007
sdhci_pci0-slot0: Timeout:  0x0000000e | Int stat: 0x00000001
sdhci_pci0-slot0: Int enab: 0x01ff00fb | Sig enab: 0x01ff00fb
sdhci_pci0-slot0: AC12 err: 0x00000000 | Slot int: 0x00000001
sdhci_pci0-slot0: Caps:     0x01e032b2 | Max curr: 0x00000040
sdhci_pci0-slot0: ===========================================
usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_TIMEOUT, ignored)
usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT, ignored)
usbd_setup_device_desc: getting device descriptor at addr 3 failed, 

The error slows down the boot process, otherwise I did not observe other 

The same laptop did not show similar error messages with FreeBSD-11, nor with 
any earlier version.

I attached the dmesg output, kernel configuration and pciconf -lv output.

Did anybody experience similar things?

best regards


Krasznai András
M&S Informatikai Zrt.
1136 Budapest, Pannónia u. 11.
Tel: +36 (1) 703-2923
Fax: +36 (1) 703-2949
Mobil: +36 (30) 703-2923
E-mail: krasznai.and...@mands.hu<mailto:krasznai.and...@mands.hu>

Attachment: GEN12
Description: GEN12

Attachment: pciconf.out
Description: pciconf.out

Attachment: dmesg.out
Description: dmesg.out

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