Hi All,
I noticed there're lots of "usb 3-1: reset low speed USB device using uhci_hcd and address 2" warnings in two of our server's syslog. They occur roughly every 20min. The server is a Dell R710 with CentOS 5.4 X86_64 installed. I suspect it's the virtual CD device of the iDrac6 but not sure. How Can I identify which USB device triggering these warning? The related syslog is as following:
Code:
Apr 13 23:32:47 bak2 kernel: usb 3-1: reset low speed USB device using uhci_hcd and address 2
Apr 13 23:42:44 bak2 kernel: usb 2-3: USB disconnect, address 3
Apr 13 23:45:53 bak2 kernel: usb 2-3: new high speed USB device using ehci_hcd and address 4
Apr 13 23:45:53 bak2 kernel: usb 2-3: configuration #1 chosen from 1 choice
Apr 13 23:45:53 bak2 kernel: scsi6 : SCSI emulation for USB Mass Storage devices
Apr 13 23:45:53 bak2 kernel: scsi7 : SCSI emulation for USB Mass Storage devices
Apr 13 23:45:58 bak2 kernel: Vendor: iDRAC Model: LCDRIVE Rev: 0323
Apr 13 23:45:58 bak2 kernel: Type: Direct-Access ANSI SCSI revision: 00
Apr 13 23:45:58 bak2 kernel: Vendor: iDRAC Model: Virtual CD Rev: 0323
Apr 13 23:45:58 bak2 kernel: Type: CD-ROM ANSI SCSI revision: 00
Apr 13 23:45:58 bak2 kernel: sd 6:0:0:0: Attached scsi removable disk sdc
Apr 13 23:45:58 bak2 kernel: sd 6:0:0:0: Attached scsi generic sg4 type 0
Apr 13 23:45:58 bak2 kernel: sr1: scsi3-mmc drive: 0x/0x cd/rw caddy
Apr 13 23:45:58 bak2 kernel: sr 7:0:0:0: Attached scsi generic sg5 type 5
Apr 13 23:45:58 bak2 kernel: Vendor: iDRAC Model: Virtual Floppy Rev: 0323
Apr 13 23:45:58 bak2 kernel: Type: Direct-Access ANSI SCSI revision: 00
Apr 13 23:45:58 bak2 kernel: sd 7:0:0:1: Attached scsi removable disk sdd
Apr 13 23:45:58 bak2 kernel: sd 7:0:0:1: Attached scsi generic sg6 type 0
Apr 13 23:46:57 bak2 kernel: usb 2-3: USB disconnect, address 4
Apr 13 23:47:00 bak2 /sbin/mingetty[5064]: tty1: invalid character 0x1b in login name
Apr 14 00:05:08 bak2 kernel: usb 3-1: reset low speed USB device using uhci_hcd and address 2
Apr 14 00:06:44 bak2 upsd[3617]: Client monslave@61.157.226.150 logged into UPS [apc2]
Apr 14 00:18:01 bak2 kernel: usb 3-1: reset low speed USB device using uhci_hcd and address 2
Apr 14 00:34:39 bak2 kernel: usb 3-1: reset low speed USB device using uhci_hcd and address 2
Apr 14 01:02:46 bak2 kernel: usb 3-1: reset low speed USB device using uhci_hcd and address 2
cat /proc/bus/usb/devices
Code:
T: Bus=06 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 2.06
S: Manufacturer=Linux 2.6.18-164.15.1.el5 uhci_hcd
S: Product=UHCI Host Controller
S: SerialNumber=0000:00:1d.1
C:* #Ifs= 1 Cfg#= 1 Atr=e0 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= 2 Ivl=255ms
T: Bus=05 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= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 2.06
S: Manufacturer=Linux 2.6.18-164.15.1.el5 uhci_hcd
S: Product=UHCI Host Controller
S: SerialNumber=0000:00:1d.0
C:* #Ifs= 1 Cfg#= 1 Atr=e0 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= 2 Ivl=255ms
T: Bus=05 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0624 ProdID=0248 Rev= 0.00
S: Manufacturer=Avocent
S: Product=USB Composite Device-0
S: SerialNumber=20080519
C:* #Ifs= 2 Cfg#= 1 Atr=c0 MxPwr= 2mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=01 Driver=usbhid
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=8ms
I: If#= 1 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=02 Driver=usbhid
E: Ad=82(I) Atr=03(Int.) MxPS= 8 Ivl=8ms
T: Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 2.06
S: Manufacturer=Linux 2.6.18-164.15.1.el5 uhci_hcd
S: Product=UHCI Host Controller
S: SerialNumber=0000:00:1a.1
C:* #Ifs= 1 Cfg#= 1 Atr=e0 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= 2 Ivl=255ms
T: Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc=118/900 us (13%), #Int= 1, #Iso= 0
D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 2.06
S: Manufacturer=Linux 2.6.18-164.15.1.el5 uhci_hcd
S: Product=UHCI Host Controller
S: SerialNumber=0000:00:1a.0
C:* #Ifs= 1 Cfg#= 1 Atr=e0 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= 2 Ivl=255ms
T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=1.5 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0d3d ProdID=0040 Rev= 0.01
S: Product=USB CAT5
C:* #Ifs= 2 Cfg#= 1 Atr=a0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=01 Driver=usbhid
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=10ms
I: If#= 1 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=02 Driver=usbhid
E: Ad=82(I) Atr=03(Int.) MxPS= 4 Ivl=10ms
T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 4
B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 2.06
S: Manufacturer=Linux 2.6.18-164.15.1.el5 ehci_hcd
S: Product=EHCI Host Controller
S: SerialNumber=0000:00:1d.7
C:* #Ifs= 1 Cfg#= 1 Atr=e0 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= 2 Ivl=256ms
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 4
B: Alloc= 0/800 us ( 0%), #Int= 1, #Iso= 0
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 2.06
S: Manufacturer=Linux 2.6.18-164.15.1.el5 ehci_hcd
S: Product=EHCI Host Controller
S: SerialNumber=0000:00:1a.7
C:* #Ifs= 1 Cfg#= 1 Atr=e0 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= 2 Ivl=256ms
T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 3 Spd=480 MxCh= 3
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=02 MxPS=64 #Cfgs= 1
P: Vendor=0424 ProdID=2514 Rev= 0.00
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 2mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=01 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=256ms
I: If#= 0 Alt= 1 #EPs= 1 Cls=09(hub ) Sub=00 Prot=02 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=256ms
T: Bus=01 Lev=02 Prnt=03 Port=02 Cnt=01 Dev#= 4 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0951 ProdID=1625 Rev= 1.10
S: Manufacturer=Kingston
S: Product=DT 101 II
S: SerialNumber=0019E06B084B5B99050D0126
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=200mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
Can anyone shed a light on this?
Thanks in advance!
Regards,
Frank Wang