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Re: CUPS Printer stopped working after addition of USB hub...

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  • jar240
    ... is not ... Ah, okay. I checked the FAQ, and it is in there. The strange thing is, why would the USB 2.0 hard drive I also have attached to the hub work
    Message 1 of 4 , Sep 1, 2005
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      --- In nslu2-general@yahoogroups.com, "Inge B. Arnesen"
      <i.b.arnesen@f...> wrote:
      > Yes - it is a FAQ - 2.0 hubs don't work well on Unslung <=5.5. This
      is not
      > only storage devices, but any devices.
      >
      > Please add this to the FAQ if the last guy didn't do it.

      Ah, okay. I checked the FAQ, and it is in there. The strange thing
      is, why would the USB 2.0 hard drive I also have attached to the hub
      work without problem, while the printer doesn't?

      Here's my /proc/bus/usb/devices:

      # cat devices
      T: Bus=03 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= 8 #Cfgs= 1
      P: Vendor=0000 ProdID=0000 Rev= 0.00
      S: Product=USB OHCI Root Hub
      S: SerialNumber=c3880000
      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= 2 Ivl=255ms
      T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 3
      B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
      D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
      P: Vendor=0000 ProdID=0000 Rev= 0.00
      S: Product=USB OHCI Root Hub
      S: SerialNumber=c387a000
      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= 2 Ivl=255ms
      T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 5
      B: Alloc= 0/800 us ( 0%), #Int= 1, #Iso= 0
      D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS= 8 #Cfgs= 1
      P: Vendor=0000 ProdID=0000 Rev= 2.04
      S: Manufacturer=Linux 2.4.22-xfs ehci_hcd
      S: Product=NEC Corporation USB 2.0
      S: SerialNumber=00:01.2
      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= 2 Ivl=256ms
      T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 0
      D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
      P: Vendor=06e1 ProdID=d804 Rev= 0.01
      S: Manufacturer=ADS Technologies
      S: Product=USB2.0 Drive Kit
      S: SerialNumber=DEF1098BE4C1
      C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA
      I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
      E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
      E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
      T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 3 Spd=480 MxCh= 7
      D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1
      P: Vendor=2001 ProdID=f103 Rev= 2.00
      S: Manufacturer=D-LINK DUB-H7 USB HUB
      S: Product=DUB-H7
      S: SerialNumber=947337877678 = wired support
      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= 1 Ivl=256ms
      T: Bus=01 Lev=02 Prnt=03 Port=00 Cnt=01 Dev#= 6 Spd=480 MxCh= 0
      D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
      P: Vendor=14c2 ProdID=0001 Rev= 0.00
      S: Manufacturer=Gemlight
      S: Product=uPD720130
      C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA
      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
      T: Bus=01 Lev=02 Prnt=03 Port=03 Cnt=02 Dev#= 6 Spd=480 MxCh= 0
      D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
      P: Vendor=14c2 ProdID=0001 Rev= 0.00
      S: Manufacturer=Gemlight
      S: Product=uPD720130
      C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA
      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


      Chris
    • Inge Bjørnvall Arnesen
      When I said don t work well , I hid some facts. It is not that it doesn t work at all, but the kernel has a local crash and has problems assigning local
      Message 2 of 4 , Sep 2, 2005
      • 0 Attachment
        When I said "don't work well", I hid some facts. It is not that it doesn't
        work at all, but the kernel has a local crash and has problems assigning
        local addresses to USB devices. Like you, I've had success with one device
        connected to a hub, but not two. Check out the log as you connect the second
        device.

        best,

        -- Inge


        ----Original Message----
        From: nslu2-general@yahoogroups.com
        [mailto:nslu2-general@yahoogroups.com] On Behalf Of jar240
        Sent: 2. september 2005 04:23 To:
        nslu2-general@yahoogroups.com Subject: [nslu2-general] Re:
        CUPS Printer stopped working after addition of USB hub...

        > --- In nslu2-general@yahoogroups.com, "Inge B. Arnesen"
        > <i.b.arnesen@f...> wrote:
        > > Yes - it is a FAQ - 2.0 hubs don't work well on Unslung
        > > <=5.5. This
        > is not
        > > only storage devices, but any devices.
        > >
        > > Please add this to the FAQ if the last guy didn't do it.
        >
        > Ah, okay. I checked the FAQ, and it is in there. The
        > strange thing is, why would the USB 2.0 hard drive I also
        > have attached to the hub work without problem, while the
        > printer doesn't?
        >
        > Here's my /proc/bus/usb/devices:
        >
        > # cat devices
        > T: Bus=03 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= 8 #Cfgs=
        > 1
        > P: Vendor=0000 ProdID=0000 Rev= 0.00
        > S: Product=USB OHCI Root Hub
        > S: SerialNumber=c3880000
        > 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= 2 Ivl=255ms
        > T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12
        > MxCh= 3
        > B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
        > D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs=
        > 1
        > P: Vendor=0000 ProdID=0000 Rev= 0.00
        > S: Product=USB OHCI Root Hub
        > S: SerialNumber=c387a000
        > 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= 2 Ivl=255ms
        > T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480
        > MxCh= 5
        > B: Alloc= 0/800 us ( 0%), #Int= 1, #Iso= 0
        > D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS= 8 #Cfgs=
        > 1
        > P: Vendor=0000 ProdID=0000 Rev= 2.04
        > S: Manufacturer=Linux 2.4.22-xfs ehci_hcd
        > S: Product=NEC Corporation USB 2.0
        > S: SerialNumber=00:01.2
        > 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= 2 Ivl=256ms
        > T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480
        > MxCh= 0
        > D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=
        > 1
        > P: Vendor=06e1 ProdID=d804 Rev= 0.01
        > S: Manufacturer=ADS Technologies
        > S: Product=USB2.0 Drive Kit
        > S: SerialNumber=DEF1098BE4C1
        > C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA
        > I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50
        > Driver=usb-storage
        > E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
        > E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
        > T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 3 Spd=480
        > MxCh= 7
        > D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs=
        > 1
        > P: Vendor=2001 ProdID=f103 Rev= 2.00
        > S: Manufacturer=D-LINK DUB-H7 USB HUB
        > S: Product=DUB-H7
        > S: SerialNumber=947337877678 = wired support
        > 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= 1 Ivl=256ms
        > T: Bus=01 Lev=02 Prnt=03 Port=00 Cnt=01 Dev#= 6 Spd=480
        > MxCh= 0
        > D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=
        > 1
        > P: Vendor=14c2 ProdID=0001 Rev= 0.00
        > S: Manufacturer=Gemlight
        > S: Product=uPD720130
        > C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA
        > 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
        > T: Bus=01 Lev=02 Prnt=03 Port=03 Cnt=02 Dev#= 6 Spd=480
        > MxCh= 0
        > D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=
        > 1
        > P: Vendor=14c2 ProdID=0001 Rev= 0.00
        > S: Manufacturer=Gemlight
        > S: Product=uPD720130
        > C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA
        > 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
        >
        >
        > Chris
        >
        >
        >
        >
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