Re: [Query]: trace-cmd crashing with '-e syscalls' on 3.13-rc1

2014-01-08 Thread Viresh Kumar
On 7 January 2014 13:20, Viresh Kumar wrote: > Ping!! Two things: - I didn't had CONFIG_FTRACE_SYSCALLS enabled earlier - On latest linux, b4a839b Add linux-next specific files for 20140106 I don't see that crash anymore with our without CONFIG_FTRACE_SYSCALLS enabled. -- To unsubscribe from th

Re: [Query]: trace-cmd crashing with '-e syscalls' on 3.13-rc1

2014-01-06 Thread Viresh Kumar
On 26 December 2013 21:55, Viresh Kumar wrote: > On 26 December 2013 20:59, Frederic Weisbecker wrote: >> Please post your config, I'll try to at least narrow down the issue >> to the faulting instruction. > > Sure. Please find attached. Ping!! -- To unsubscribe from this list: send the line "un

Re: [Query]: trace-cmd crashing with '-e syscalls' on 3.13-rc1

2013-12-26 Thread Frederic Weisbecker
On Thu, Dec 26, 2013 at 11:51:53AM +0530, Viresh Kumar wrote: > On 24 December 2013 19:18, Steven Rostedt wrote: > > Can you also produce this with just > > "echo 1 > /sys/kernel/debug/tracing/events/syscalls/enable"? > > Yeah, running any command after doing above results in crash. > I tried thi

Re: [Query]: trace-cmd crashing with '-e syscalls' on 3.13-rc1

2013-12-25 Thread Viresh Kumar
On 24 December 2013 19:18, Steven Rostedt wrote: > Can you also produce this with just > "echo 1 > /sys/kernel/debug/tracing/events/syscalls/enable"? Yeah, running any command after doing above results in crash. I tried this on latest mainline: c5fdd53 Merge branch 'for-linus' of git://git.kerne

Re: [Query]: trace-cmd crashing with '-e syscalls' on 3.13-rc1

2013-12-24 Thread Viresh Kumar
On 24 December 2013 19:18, Steven Rostedt wrote: > Can you also produce this with just > "echo 1 > /sys/kernel/debug/tracing/events/syscalls/enable"? Will do that on 26th.. >> [ 299.998874] Unable to handle kernel NULL pointer dereference at >> virtual address 001b >> [ 300.005554] pgd = e

Re: [Query]: trace-cmd crashing with '-e syscalls' on 3.13-rc1

2013-12-24 Thread Steven Rostedt
On Tue, 24 Dec 2013 16:58:51 +0530 Viresh Kumar wrote: > Hi Steven, > > I am trying to trace some stuff on Samsung's Arndale Board (ARM) > with 3.13-rc1 and seeing these crashes/segmentation faults > whenever I try to trace syscalls. > > Is this a know issue? Or something new? > > trace-cmd ve

[Query]: trace-cmd crashing with '-e syscalls' on 3.13-rc1

2013-12-24 Thread Viresh Kumar
Hi Steven, I am trying to trace some stuff on Samsung's Arndale Board (ARM) with 3.13-rc1 and seeing these crashes/segmentation faults whenever I try to trace syscalls. Is this a know issue? Or something new? trace-cmd version 2.2.0 [ 299.998874] Unable to handle kernel NULL pointer dereferen