Re: [Linuxptp-devel] [Announce] Simulation software for powerlaw noise and PTP clock synchronization

thanks for your work, I want to know can this use in ptp4l ? 2016-04-15 4:18 GMT+08:00 Wolfgang Wallner : > > Dear LinuxPTP community, > > I would like to announce the public availability of two software > projects which I have been working on for my master thesis: >

Re: [Linuxptp-devel] ptp can't recovery when unplug the cable and plug in after a while

} [DEBUG] c-path_delay +32029 {393.991080} [DEBUG] master offset -15340129218 s0 freq -51098 path delay 32029 2015-08-11 14:59 GMT+08:00 Richard Cochran richardcoch...@gmail.com: On Tue, Aug 11, 2015 at 11:43:01AM +0800, Arnold kang wrote: when I test linuxptp. I unplug the cable

Re: [Linuxptp-devel] ptp can't recovery when unplug the cable and plug in after a while

thanks. i'll try tomorrow! 2015-08-11 19:20 GMT+08:00 Richard Cochran richardcoch...@gmail.com: On Tue, Aug 11, 2015 at 05:52:41PM +0800, Arnold kang wrote: I know why, when the cable unplugged , the rtc in phy still run as list freq set. so after some seconds, the phy is slower

[Linuxptp-devel] ptp can't recovery　when unplug the cable and plug in after a while

Hi, all when I test linuxptp. I unplug the cable and plug in after a while, the ptp can't recovery. and precision stay bad. any one know why? -- ___ Linuxptp-devel mailing

Re: [Linuxptp-devel] how PI controller work in linuxptp

thank you, but i still don't know how it work. i want to understand it totally, please help me 2015-02-09 16:26 GMT+08:00 Miroslav Lichvar mlich...@redhat.com: On Mon, Feb 09, 2015 at 03:51:32PM +0800, Arnold kang wrote: hi all, i'm reading the linuxptp code, and read pi.c many times

Re: [Linuxptp-devel] how PI controller work in linuxptp

thank you! 2015-02-09 17:17 GMT+08:00 Miroslav Lichvar mlich...@redhat.com: On Mon, Feb 09, 2015 at 05:04:05PM +0800, Arnold kang wrote: thank you, but i still don't know how it work. i want to understand it totally, please help me How a PI controller works? I'm not sure that can

[Linuxptp-devel] clock_adjtime not work in arm linux 3.0

Dear Richard, i'm sorry ask for your help , clock_adjtime may not work in arm linux v3.0, this syscall return success, but can not change time nor get time, anything wrong, or need add a patch ? -- Is your legacy SCM

[Linuxptp-devel] can not receive status frame sometimes

Dear Richard, I think i find out the reason, for can not get the status frame when send out the Delay Req sometimes! can you give me some advice to resolve it. thanks again! Arnold -- Accelerate Dev Cycles with

Re: [Linuxptp-devel] what is the function rx_timestamp_work used for?

26, 2014 at 04:20:28PM +0800, Arnold kang wrote: Dear Richard, and dp83640_txtstamp call this function, the only thing do is Clear out expired time stamps, right? Yes, probably. I don't remember why the transmit function schedules the work. It might be left over from a previous version

Re: [Linuxptp-devel] what is the function rx_timestamp_work used for?

26, 2014 at 04:20:28PM +0800, Arnold kang wrote: Dear Richard, and dp83640_txtstamp call this function, the only thing do is Clear out expired time stamps, right? Yes, probably. I don't remember why the transmit function schedules the work. It might be left over from a previous version

Re: [Linuxptp-devel] what is the function rx_timestamp_work used for?

2014-04-26 15:07 GMT+08:00 Richard Cochran richardcoch...@gmail.com: On Sat, Apr 26, 2014 at 02:06:08PM +0800, Arnold kang wrote: Dear Developers, can some one tell me whia't rx_timestamp_work is used for in dp83640.c, thanks! This is a Linux work item, which is a kind of delayed

Re: [Linuxptp-devel] kernel crashed when run linux ptp

this issue, but it is likely caused by a driver bug*, i'm not sure this was caused by mac driver or phy driver. and i run ptp4l in SOFTWARE mode, all goes correctlly. 2014-04-11 17:35 GMT+08:00 Arnold kang arnold0k...@gmail.com: Dear Richard, thanks your help 2014-04-11 17:26 GMT+08

Re: [Linuxptp-devel] kernel crashed when run linux ptp

yes, i just set never timeout, but it doesn't work. 2014-04-14 17:24 GMT+08:00 Richard Cochran richardcoch...@gmail.com: On Mon, Apr 14, 2014 at 03:56:18PM +0800, Arnold kang wrote: Dear Richard, i'm sorry for i need your help again, i just resolve the kernel crash, this was caused

Re: [Linuxptp-devel] [PATCH v2 03/27] Allow sending to a specified (unicast) address

Dear Richard, my linux kernel is 3.0, and my phy is DP83640, and my mac is stmmac, and my cpu is arm， i just cross-compile the linuxptp, and it seems ok, but when i run it and use hardware timestamp (./ptp4l - H -i eth0 -p /dev/ptp0) on my system, the kernel crashed. so, i just see

[Linuxptp-devel] kernel crashed when run linux ptp

Dear Richard, thanks for your reply. as i asked ,my linux kernel is 3.0, and my phy is DP83640, and my mac is stmmac, and my cpu is arm A9, when i run it and use hardware timestamp (./ptp4l - H -i eth0 -p /dev/ptp0) on my system, the kernel crashed. (crash log is appended in

Re: [Linuxptp-devel] [PATCH] sk: update error message for Tx timestamp polling

and the ARCH is ARM Cortex A9 , thanks, Arnold 2013/12/5 Arnold kang arnold0k...@gmail.com Dear RichardL: thanks for your response. here is the detail information: kernel version : 3.0.8 ethernet card : RTL8211EG MAC driver : not special, just the default in kernel

Re: [Linuxptp-devel] [PATCH] sk: update error message for Tx timestamp polling

in kernel. debug info: missing timestamp on transmitted delay request. thanks, Arnold 2013/12/5 Arnold kang arnold0k...@gmail.com and the ARCH is ARM Cortex A9 , thanks, Arnold 2013/12/5 Arnold kang arnold0k...@gmail.com Dear RichardL: thanks for your response. here