We use adeos-ipipe-2.6.28.10-arm-1.12-07.patch. --Abhijit
-----Original Message----- From: Gilles Chanteperdrix [mailto:[email protected]] Sent: Wednesday, June 16, 2010 11:53 AM To: Abhijit Majumdar Cc: [email protected]; Steve Deiters Subject: Re: [Xenomai-help] rt_task_sleep causing crashes on PowerPC Gilles Chanteperdrix wrote: > Abhijit Majumdar wrote: >> Hi Philippe >> >> I have attached a standalone test program which crashes my system. It >> uses poxis skin to create a simple task which sleeps for 10 micro sec >> and wakes up and continues to do so until the user kills the process. >> >> Interesting things note -- >> >> 1. If I uncomment the printf statement at the beginning of the >> while loop the program does not crash any more. >> 2. OR if I use rt_task_sleep instead of clock_nanosleep it does >> not crash. >> >> I am using xenomai 2.5.2 and the arm platform has kernel 2.6.28. > > That is a not vague. In any case, 10us on an ARM is much too short. As I > think I already told someone at pivotal systems, ARM latencies are > larger than 50 us, and most of the time larger than 100us. So, asking > for a 10us sleep is preposterous. > > However, if you want your report to be useful: > - please try the latest version (that would be Xenomai 2.5.3) > - send us the full log of the serial console, not the part you think is > relevant (the error comes here while xnpod_schedule is trying to print a > message, the interesting part is not the failure of add_preempt_count, > but probably more the error message which xnpod_schedule wants to print). > - sens us your kernel configuration. And include the version of the I-pipe patch you are using. > -- Gilles. _______________________________________________ Xenomai-help mailing list [email protected] https://mail.gna.org/listinfo/xenomai-help
