Here's another one for the books. In the recent test11 series, timing
appears to be partially broken for dev addr assignments. If I'm lucky a
new usb device will answer back and get all the numbers set up
properly. Regularly however a new device gets plugged in and I get
several of the below without the success at the end. I usually need to
reboot to get my USB stuff alive again. The below is test7.
# dmesg
hub.c: USB new device connect on bus1/1, assigned device number 6
usb-uhci.c: interrupt, status 2, frame# 121
usb.c: USB device not accepting new address=6 (error=-110)
hub.c: USB new device connect on bus1/1, assigned device number 7
# lspci
00:07.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01)
(prog-if 00 [UHCI])
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 64
Interrupt: pin D routed to IRQ 9
Region 4: I/O ports at ef80 [size=32]
# cat devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 17/900 us ( 2%), #Int= 1, #Iso= 0
D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 0.00
S: Product=USB UHCI Root Hub
S: SerialNumber=ef80
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 7 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0707 ProdID=0200 Rev= 1.01
S: Manufacturer=SMC, Inc
S: Product=EZ USB/Ethernet Converter
S: SerialNumber=0001
C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=160mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=00(>ifc ) Sub=00 Prot=00 Driver=pegasus
E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl= 0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl= 0ms
E: Ad=83(I) Atr=03(Int.) MxPS= 8 Ivl=128ms
-d
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