Re: connecting USB pen drive

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On 30 October 2010 02:58, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> On Sat, 30 Oct 2010, Rahul Ruikar wrote:
>
>> Hi,
>>
>> I am using kernel 2.6.36,
>> I connected USB pen drive... any idea what's this garbage print in 5th line
>> Oct 30 00:33:22 ganesha kernel: [ 1599.244381] ehci_hcd 0000:00:1d.7:
>> RÃiÄÃ|ÃÃ^GÄEÄ
>>
>>
>>
>> Oct 30 00:33:22 ganesha kernel: [ 1599.193139] hub 1-0:1.0:
>> __pm_runtime_resume()!
>> Oct 30 00:33:22 ganesha kernel: [ 1599.193145] hub 1-0:1.0:
>> __pm_runtime_resume() returns 1!
>> Oct 30 00:33:22 ganesha kernel: [ 1599.193168] hub 1-0:1.0: port 1,
>> status 0501, change 0000, 480 Mb/s
>> Oct 30 00:33:22 ganesha kernel: [ 1599.244374] ehci_hcd 0000:00:1d.7:
>> port 1 high speed
>> Oct 30 00:33:22 ganesha kernel: [ 1599.244381] ehci_hcd 0000:00:1d.7:
>> RÃiÄÃ|ÃÃ^GÄEÄ
>> Oct 30 00:33:22 ganesha kernel: [ 1599.295104] usb 1-1: new high speed
>> USB device using ehci_hcd and address 8
>> Oct 30 00:33:22 ganesha kernel: [ 1599.346377] ehci_hcd 0000:00:1d.7:
>> port 1 high speed
>> Oct 30 00:33:22 ganesha kernel: [ 1599.346384] ehci_hcd 0000:00:1d.7:
>> RÃiÄÃ|ÃÃ^GÄEÄ
>> Oct 30 00:33:22 ganesha kernel: [ 1599.409686] usb 1-1: __pm_runtime_resume()!
>> Oct 30 00:33:22 ganesha kernel: [ 1599.409693] usb 1-1:
>> __pm_runtime_resume() returns -11!
>> Oct 30 00:33:22 ganesha kernel: [ 1599.411687] usb 1-1: default language 0x0409
>> Oct 30 00:33:22 ganesha kernel: [ 1599.413562] usb 1-1: udev 8, busnum
>> 1, minor = 7
>> Oct 30 00:33:22 ganesha kernel: [ 1599.413569] usb 1-1: New USB device
>> found, idVendor=05dc, idProduct=a731
>> Oct 30 00:33:22 ganesha kernel: [ 1599.413576] usb 1-1: New USB device
>> strings: Mfr=1, Product=2, SerialNumber=3
>> Oct 30 00:33:22 ganesha kernel: [ 1599.413583] usb 1-1: Product: JD FireFly
>> Oct 30 00:33:22 ganesha kernel: [ 1599.413589] usb 1-1: Manufacturer: Lexar
>> Oct 30 00:33:22 ganesha kernel: [ 1599.413594] usb 1-1: SerialNumber:
>> AA04019000011161
>
> I have no idea why your messages are getting scrambled. ÂHave you tried
> looking at the dmesg log rather than the system log file?
>
> Here's what happens on my machine:
>
> [ Â 54.348292] ehci_hcd 0000:00:1d.7: port 8 high speed
> [ Â 54.348441] ehci_hcd 0000:00:1d.7: GetStatus port:8 status 001005 0 ÂACK POWER sig=se0 PE CONNECT
> [ Â 54.404052] usb 4-8: new high speed USB device using ehci_hcd and address 2
> [ Â 54.460256] ehci_hcd 0000:00:1d.7: port 8 high speed
> [ Â 54.460405] ehci_hcd 0000:00:1d.7: GetStatus port:8 status 001005 0 ÂACK POWER sig=se0 PE CONNECT
> [ Â 54.536757] usb 4-8: default language 0x0409
> [ Â 54.537630] usb 4-8: udev 2, busnum 4, minor = 385
> [ Â 54.537773] usb 4-8: New USB device found, idVendor=1307, idProduct=0165
> [ Â 54.537917] usb 4-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> [ Â 54.538060] usb 4-8: Product: USB Mass Storage Device
> [ Â 54.538199] usb 4-8: Manufacturer: USBest Technology
> [ Â 54.538338] usb 4-8: SerialNumber: 00000000000126
>
> Alan Stern
>
>


Log messages are getting printed as you mentioned, they were just
wrapped up in mail editor.
anyways here is output of dmesg. I was concerned about following print
in this log file.

[  696.476147] ehci_hcd 0000:00:1d.7: Rïiïï\ ïïE

I could not locate source of this log statement in code.


[  696.435344] usb usb1: usb wakeup-resume
[  696.435352] usb usb1: __pm_runtime_resume()!
[  696.435359] ehci_hcd 0000:00:1d.7: __pm_runtime_resume()!
[  696.435366] ehci_hcd 0000:00:1d.7: __pm_runtime_resume() returns 1!
[  696.435375] usb usb1: usb auto-resume
[  696.435382] ehci_hcd 0000:00:1d.7: resume root hub
[  696.476109] hub 1-0:1.0: hub_resume
[  696.476147] ehci_hcd 0000:00:1d.7: Rïiïï\ ïïE
[  696.476158] hub 1-0:1.0: port 3: status 0501 change 0001
[  696.577120] usb usb1: __pm_runtime_resume() returns 0!
[  696.577150] hub 1-0:1.0: state 7 ports 8 chg 0008 evt 0000
[  696.577159] hub 1-0:1.0: __pm_runtime_resume()!
[  696.577165] usb usb1: __pm_runtime_resume()!
[  696.577171] usb usb1: __pm_runtime_resume() returns 1!
[  696.577180] hub 1-0:1.0: __pm_runtime_resume() returns 0!
[  696.577203] hub 1-0:1.0: port 3, status 0501, change 0000, 480 Mb/s
[  696.628296] ehci_hcd 0000:00:1d.7: port 3 high speed
[  696.628302] ehci_hcd 0000:00:1d.7: Rïiïï|ïïïE
[  696.679122] usb 1-3: new high speed USB device using ehci_hcd and address 5
[  697.060306] ehci_hcd 0000:00:1d.7: port 3 high speed
[  697.060314] ehci_hcd 0000:00:1d.7: Rïiïï|ïïïE
[  697.123737] usb 1-3: __pm_runtime_resume()!
[  697.123744] usb 1-3: __pm_runtime_resume() returns -11!
[  697.125609] usb 1-3: default language 0x0409
[  697.127616] usb 1-3: udev 5, busnum 1, minor = 4
[  697.127623] usb 1-3: New USB device found, idVendor=05dc, idProduct=a731
[  697.127630] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  697.127636] usb 1-3: Product: JD FireFly
[  697.127642] usb 1-3: Manufacturer: Lexar
[  697.127647] usb 1-3: SerialNumber: AA04019000011161

Thanks
- Rahul
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