On Thu, 9 Mar 2017 10:16:02 -0600 Josh Poimboeuf <jpoim...@redhat.com> wrote:
> On Thu, Mar 09, 2017 at 09:36:30AM -0500, Steven Rostedt wrote: > > On Thu, 9 Mar 2017 13:12:28 +0100 > > Paul Menzel <pmen...@molgen.mpg.de> wrote: > > > > > Dear Steven, dear Ingo, > > > > > > > > > Hopefully, I am contacting the right people for my issue. > > > > > > Suspending a system with Linux 4.9.13 with tracing enabled, it fails > > > with the screen still enabled, and the LED blinking. Attaching a serial > > > console to the dock, shows the messages below. > > > > I'm betting this is a compiler bug, as that bug that printed is the > > internal ftrace check for it. (note the bug is only in x86-32 not > > x86-64) > > > > Funny, we are just talking about this bug in another thread, but with a > > different symptom. > > > > Josh, did you say this goes away if you disable optimize for size or > > does it need to be enabled? > > Yeah, assuming it's the same problem, then this is caused by > CONFIG_CC_OPTIMIZE_FOR_SIZE. It would be fixed by changing it to > CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE. > Paul, do you have CONFIG_CC_OPTIMIZE_FOR_SIZE enabled? Can you set it to PERFORMANCE and see if the problem goes away? -- Steve
