Re: [Linuxptp-users] phc2sys[273995.639]: failed to read clock: Invalid argument

[Richard C. <ric...@gm...>]

On Tue, Mar 04, 2014 at 03:48:57PM +0000, Pham, Calvin wrote:
> Calvin> output of strace
> strace ./testptp -d /dev/ptp0 -g

...

> clock_gettime(0xffffffe3 /* CLOCK_??? */, {1393947888, 731912808}) = 0

The kernel returns zero.

> Calvin> Here is output of ltrace
> 
> [root@V4-CALVIN ptptest]# ltrace ./testptp -d /dev/ptp0 -g

...

> clock_gettime(0xffffffdb, 0x7fff7d779690, 0x7fff7d779690, -1, 0)                                = 0xffffffff

But your C library returns -1.

This is a bug in your C library.

What distro and C library are you using?

Thanks,
Richard