Re: linux 4.2.4 rcu_sched rolls over and barfs after debugger exits

2015-10-26 Thread Jeffrey Merkey
Also, please note in the trace for some strange reason, the floppy drive activates after the rcu_sched errors happen -- fucking wierd shit. I fixed the problem in the debugger patch but seems like to me it should not generate a crash report when time is frozen for that kernel instance just because

Re: linux 4.2.4 rcu_sched rolls over and barfs after debugger exits

2015-10-25 Thread Jeffrey Merkey
I coded a workaround and tested it. seems to work. Jeff On 10/26/15, Jeffrey Merkey wrote: > I am calling these functions while polling the keyboard inside the > debugger: > > touch_softlockup_watchdog(); > clocksource_touch_watchdog(); > touch_nmi_watchdog(); > > Jeff > > On 10/25/15, Jeffrey

Re: linux 4.2.4 rcu_sched rolls over and barfs after debugger exits

2015-10-25 Thread Jeffrey Merkey
I am calling these functions while polling the keyboard inside the debugger: touch_softlockup_watchdog(); clocksource_touch_watchdog(); touch_nmi_watchdog(); Jeff On 10/25/15, Jeffrey Merkey wrote: > After using the mdb kernel debugger then exiting, the rcu_sched, due > to its own internal time

linux 4.2.4 rcu_sched rolls over and barfs after debugger exits

2015-10-25 Thread Jeffrey Merkey
After using the mdb kernel debugger then exiting, the rcu_sched, due to its own internal timers, rolls over and crashes when it does not get the timeout window it likes.Not caused by memory corruption, just caused by the debugger holding the system suspended then when the system is allowed to r