Re: [Linuxptp-devel] phc2sys freezes the system if started before PHY
PTP IEEE 1588 stack for Linux
Brought to you by:
rcochran
From: Richard C. <ric...@gm...> - 2018-01-28 03:30:46
|
On Sun, Jan 28, 2018 at 02:22:10AM +0100, Petr Kulhavy wrote: > On this condition the system freezes as soon as the phc2sys starts. > I'm wondering why this happens. Phc2sys uses /dev/ptp0 which is created by > the kernel very early. Why does it need the PHY to initialize? And why does > the lack of initialization kills the system? > Not even sure whether this is a problem of phc2sys or of the kernel. This must be a bug in the FEC driver. (User space programs like phc2sys cannot freeze the system.) Thanks, Richard |