----- Original Message ----- > From: "Michael Ellerman" <[email protected]> > To: "Jiri Olsa" <[email protected]>, "Peter Zijlstra" <[email protected]> > Cc: "lkml" <[email protected]>, "Ingo Molnar" <[email protected]>, > "Michael Neuling" <[email protected]>, > "Paul Mackerras" <[email protected]>, "Alexander Shishkin" > <[email protected]>, "Jan Stancek" > <[email protected]> > Sent: Tuesday, 4 October, 2016 6:08:27 AM > Subject: Re: [PATCH] perf powerpc: Don't call perf_event_disable from atomic > context > > Jiri Olsa <[email protected]> writes: > > > The trinity syscall fuzzer triggered following WARN on powerpc: > > WARNING: CPU: 9 PID: 2998 at arch/powerpc/kernel/hw_breakpoint.c:278 > > ... > > NIP [c00000000093aedc] .hw_breakpoint_handler+0x28c/0x2b0 > > LR [c00000000093aed8] .hw_breakpoint_handler+0x288/0x2b0 > > Call Trace: > > [c0000002f7933580] [c00000000093aed8] .hw_breakpoint_handler+0x288/0x2b0 > > (unreliable) > > [c0000002f7933630] [c0000000000f671c] .notifier_call_chain+0x7c/0xf0 > > [c0000002f79336d0] [c0000000000f6abc] > > .__atomic_notifier_call_chain+0xbc/0x1c0 > > [c0000002f7933780] [c0000000000f6c40] .notify_die+0x70/0xd0 > > [c0000002f7933820] [c00000000001a74c] .do_break+0x4c/0x100 > > [c0000002f7933920] [c0000000000089fc] handle_dabr_fault+0x14/0x48 > > Is that the full stack trace? It doesn't look like it. > > And were you running trinity as root or regular user?
As regular user: # adduser dummy # su dummy /mnt/testarea/trinity --children $proc_num -m --syslog -q -T DIE Regards, Jan
