[USRP-users] usrp x300 detection over pcie

Stan Vitebsky svite at lgsinnovations.com
Fri Dec 5 15:14:08 EST 2014


Neel,
Yes, in both Centos and Ubuntu cases it's 64-bit.
-Stan

On 12/5/14, 12:58 PM, Neel Pandeya wrote:
> Hello Stan:
>
> Are you using a 64-bit kernel??
>
> --Neel
>
>
> On Fri, Dec 5, 2014 at 9:36 AM, Stan Vitebsky via USRP-users 
> <usrp-users at lists.ettus.com <mailto:usrp-users at lists.ettus.com>> wrote:
>
>     Hello,
>
>     I have a problem  detecting usrp x300 over PCIe ExpressCard
>     interface with Lenovo W540
>     (it behaves the same way with Ubuntu 13.10 (kernel version 3.11)
>     and with Centos 6.5 (modified kernel version 3.10)):
>
>     When the pc boots with NI 8360 card inserted and usrp turned on ,
>     the output of the "lspci -v" command indicates the presence of of
>     the card like so:
>     "PCI bridge:PLX Technology Inc. PEX 8505 5-lane 5 port PCI Express
>     Switch .......Capabilities: [90] Subsystem: National Instruments
>     Device 8360",
>     however it does not show the usrp itself behind the card.
>
>     lspci -k -d 1093:4c4c doesn't return anything. It's the same
>     whether the niusrprio drivers are installed or not.
>
>     I have a different PC which successfully detects the same usrp
>     with the same expresscard kit with exactly the same versions of
>     Ubuntu 13.10 and Centos 6.5,
>     In that case, the "lspci -v" command in addition to the above
>     output for the PCI Express Switch with the card also outputs:
>     "Signal processing controller: National Instruments PXIe/PCIe
>     Device, Subsystem: National Instruments Device 7736".
>
>     Has anybody encountered a similar situation and is there any
>     workaround / solution in OS or on the USRP side?
>     In your opinion, if not Ettus, is this W540 BIOS issue, an NI
>     ExpressCard issue or both ?
>
>     My observation is that x3x0 PCI expresscard interface support on
>     different host laptop hardware is very unpredictable
>     so I would use a lot of caution before committing to this
>     configuration.
>
>     -Stan
>
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>
>

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