Re: Lemote mini-pc NOT supporting external usb-2.0 Trendnet TU-ET100?
On Thu, Feb 3, 2011 at 11:26 PM, Javier Vasquez <j.e.vasquez.v@gmail.com> wrote:
> On Thu, Feb 3, 2011 at 10:34 PM, Javier Vasquez <j.e.vasquez.v@gmail.com> wrote:
>> Hi,
>>
>> With a Lemote mini-pc 2F6004:
>>
>> % cat /proc/cpuinfo
>> system type : lemote-fuloong-2f-box
>> processor : 0
>> cpu model : ICT Loongson-2 V0.3 FPU V0.1
>> BogoMIPS : 530.43
>> wait instruction : yes
>> microsecond timers : yes
>> tlb_entries : 64
>> extra interrupt vector : no
>> hardware watchpoint : yes, count: 0, address/irw mask: []
>> ASEs implemented :
>> shadow register sets : 1
>> core : 0
>> VCED exceptions : not available
>> VCEI exceptions : not available
>>
>> I tried enabling an external USB NIC, using a TrendNet TU2-ET100,
>> which is supported by usbnet driver:
>>
>> http://www.linux-usb.org/usbnet
>>
>> I'm using the debian experimental kernel:
>>
>> % uname -a
>> Linux mini-0 2.6.37-trunk-loongson-2f #1 Fri Jan 7 10:10:56 UTC 2011
>> mips64 GNU/Linux
>>
>> Under debian gnu/linux. Notice I installed debian by ffirst
>> installing gnew-sense, sincer debian doesn't suppot lemote under its
>> installers yet.
>>
>> I could actually see the external NIC work for a little while, and
>> after copying from another machine a 104M file, the NIC was just
>> shutdown:
>>
>> [ 4763.132000] usb 1-1: new high speed USB device using ehci_hcd and address 5
>> [ 4763.276000] usb 1-1: New USB device found, idVendor=0b95, idProduct=7720
>> [ 4763.276000] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
>> [ 4763.276000] usb 1-1: Product: AX88772
>> [ 4763.276000] usb 1-1: Manufacturer: ASIX Elec. Corp.
>> [ 4763.276000] usb 1-1: SerialNumber: 000001
>> [ 4764.260000] asix 1-1:1.0: eth1: register 'asix' at
>> usb-0000:00:0e.5-1, ASIX AX88772 USB 2.0 Ethernet, 00:50:b6:08:1c:5f
>> [ 4764.260000] usbcore: registered new interface driver asix
>> [ 6019.936000] eth1: link up, 100Mbps, full-duplex, lpa 0x45E1
>> [ 6020.140000] eth1: link up, 100Mbps, full-duplex, lpa 0x45E1
>> [ 6030.176000] eth1: no IPv6 routers present
>> [ 6123.704000] ehci_hcd 0000:00:0e.5: force halt; handshake
>> 9000000050071014 00004000 00000000 -> -145
>> [ 6123.704000] ehci_hcd 0000:00:0e.5: can't reschedule qh
>> 98000000bb084f00, err -145
>> [ 6123.704000] ehci_hcd 0000:00:0e.5: force halt; handshake
>> 9000000050071014 00004000 00004000 -> -145
>> [ 6123.704000] ehci_hcd 0000:00:0e.5: HC died; cleaning up
>> [ 6123.716000] usb 1-1: USB disconnect, address 5
>> [ 6123.716000] asix 1-1:1.0: eth1: unregister 'asix'
>> usb-0000:00:0e.5-1, ASIX AX88772 USB 2.0 Ethernet
>>
>> I'm not sure whether this is a kernel bug, or a HW problem. Recently
>> I had problems with the internal NIC most probably due to HW problems,
>> on the checksum computation by HW... I need to enable a 2nd NIC in
>> order to make the mini-pc work as a gateway mini-server. Perhaps
>> someone else has experiences with this mini-pc, and has already make
>> an external NIC work already, and if so any hints would be
>> appreciated. Also any hints on how to debug and file a debian
>> experimental linux bug, that'd also work out, :-) If faster solution
>> is to use an external NIC known to work, please let me know so I can
>> try acquiring it...
>>
>> Thanks,
>>
>> --
>> Javier.
>>
>
> I've also tried the gnew-sense (metad) linux kernel with the same result:
>
> % uname -a
> Linux mini-0 2.6.37-libre-lemote #1 PREEMPT Thu Jan 6 11:56:46 UTC
> 2011 mips64 GNU/Linux
>
> Unfortunately it didn't work either, :-(
>
> So it might be that the USB controller is buggy? Any ways, just
> wanted to report in case someone might ggest that... Any suggestions
> are welcome...
Have also tried the anheng 2.6.37 and 2.6.38 kernels. Again no luck.
BTW, I tried on a ia64 box, and the TU2-ET100 works really nice on it.
I think my suspision upon broken USB controller is more than that.
Again, any help is appreciated.
--
Javier.
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