Same issue with latest ipipe. Threads look like this (when the instance is halted in the debugger). Somehow, atleast the RT Tasks will block waiting on a timerfd when one task is in state XT (whatever that means)
# cat /proc/xenomai/sched/threads CPU PID CLASS TYPE PRI TIMEOUT STAT NAME 0 0 idle core -1 - R [ROOT/0] 1 0 idle core -1 - R [ROOT/1] 2 0 idle core -1 - R [ROOT/2] 3 0 idle core -1 - R [ROOT/3] 2 264 rt cobalt 20 - XT packetfilter 1 279 rt cobalt 20 - W packetfilter >-----Original Message----- >From: Lange Norbert >Sent: Montag, 18. Dezember 2017 14:43 >To: Xenomai (xenomai@xenomai.org) >Subject: Weird behavior during debug > >Hello, > >I tried debugging a cobalt application, and when I hit a breakpoint most of >the >system freezes. >If I run for example top over Serial or SSH, then the display won`t be >refreshed >anymore, >A separate program running as RT Task, waiting for an timer-event (occurring >10 times a second) will block aswell. > >So the debug session seems to block a rather big amount of events. > >I am using a 4.9 kernel with ipipe at "x86/ipipe: fix detection of unhandled >faults over the head domain". >Looking at the logs and other threads there seems to be a bigger rework in >progress? >I will retry with master, and report back. > >Kind regards > >Norbert Lange ________________________________ This message and any attachments are solely for the use of the intended recipients. They may contain privileged and/or confidential information or other information protected from disclosure. If you are not an intended recipient, you are hereby notified that you received this email in error and that any review, dissemination, distribution or copying of this email and any attachment is strictly prohibited. If you have received this email in error, please contact the sender and delete the message and any attachment from your system. ANDRITZ HYDRO GmbH Rechtsform/ Legal form: Gesellschaft mit beschränkter Haftung / Corporation Firmensitz/ Registered seat: Wien Firmenbuchgericht/ Court of registry: Handelsgericht Wien Firmenbuchnummer/ Company registration: FN 61833 g DVR: 0605077 UID-Nr.: ATU14756806 Thank You ________________________________ _______________________________________________ Xenomai mailing list Xenomai@xenomai.org https://xenomai.org/mailman/listinfo/xenomai
