Re: [Discuss-gnuradio] Segfault

[Philip Balister]

On 04/04/2012 05:24 AM, Stefan Ott wrote:
> On Tue, Apr 3, 2012 at 16:12, Stefan Ott <address@hidden> wrote:
>>
>> Ah thanks. I just built a new kernel using that patch (i.e. from the
>> e100-3.0-pm-2-bugfixes branch). I hope that was the right one, the
>> usrp_e driver looks ok but is only at version 0.2 as opposed to the
>> one from the e100-3.0-pm-2-fixes-from-review branch which is at
>> version 0.3. I still get a segfault / kernel NULL pointer dereference
>> as soon as I modprobe usrp_e though.
> 
> Sorry about that, I had some sort of mess and tried the wrong kernel
> again. With the e100-3.0-pm-2-bugfixes branch it seems to basically
> work (i.e. I can load the module and uhd_find_devices shows the E100)
> but uhd_usrp_probe aborts:
> 
> # uhd_usrp_probe
> linux; GNU C++ version 4.6.1; Boost_104800; UHD_003.003.002-unknown
> 
> -- Opening device node /dev/usrp_e0...
> 
> I will try again with the latest development version of uhd and report back.
> 
> cheers & sorry for the noise

OK, so instead of crashing, it just aborts. This suggests my check on
ioctl arguments is working. We need to poke around uhd and see what is
passing to the kernel.

Philip