Messages in this thread | | | Date | Mon, 15 May 2017 12:11:03 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH 2/4] ftrace/instances: Clear function triggers when removing instances |
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On Mon, 15 May 2017 11:21:15 -0400 Steven Rostedt <rostedt@goodmis.org> wrote:
> On Sun, 14 May 2017 01:01:02 +0530 > "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com> wrote: > > > If instance directories are deleted while there are registered function > > triggers: > > > > # cd /sys/kernel/debug/tracing/instances > > # mkdir test > > # echo "schedule:enable_event:sched:sched_switch" > test/set_ftrace_filter > > # rmdir test > > Unable to handle kernel paging request for data at address 0x00000008 > > Unable to handle kernel paging request for data at address 0x00000008 > > Faulting instruction address: 0xc0000000021edde8 > > Oops: Kernel access of bad area, sig: 11 [#1] > > SMP NR_CPUS=2048 > > NUMA > > pSeries > > Looks like this patch needs to be marked for stable, and go in right > away. I may also do the same for the ftracetest bashism patch with > Masami's approval. I may also slip in the ftracetest for the bug that > this patch fixes.
As this patch fixes a bug that was introduced with the 4.12 merge window. Thus, it's not stable worthy (stable isn't affected). Although, I'll wait on Masami to see if that should go to stable.
-- Steve
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