Messages in this thread | | | Date | Sun, 19 Dec 2010 14:27:05 +0100 | From | Jörg Sommer <> | Subject | Re: Oops in trace_hardirqs_on (powerpc) |
| |
Hi Steven,
Steven Rostedt hat am Mon 27. Sep, 21:58 (-0400) geschrieben: > On Mon, 2010-09-27 at 14:50 +0200, Jörg Sommer wrote: > > Hello Steven, > > > > Steven Rostedt hat am Wed 22. Sep, 15:44 (-0400) geschrieben: > > > Sorry for the late reply, but I was on vacation when you sent this, and > > > I missed it while going through email. > > > > > > Do you still have this issue? > > > > No. I've rebuild my kernel without TRACE_IRQFLAGS and the problem > > vanished, as expected. The problem is, that in some cases the stack is > > only two frames deep, which causes the macro CALLER_ADDR1 makes an > > invalid access. Someone told me, there a workaround for the problem on > > i386, too. > > > > % sed -n 2p arch/x86/lib/thunk_32.S > > * Trampoline to trace irqs off. (otherwise CALLER_ADDR1 might crash) > > Yes, I remember that problem. When I get back from Tokyo, I'll tried to > remember to fix it.
Did you've fixed this problem? The bug report is still marked as open. https://bugzilla.kernel.org/show_bug.cgi?id=16573
Regards, Jörg. -- Begebenheit aus dem wahren Leben: Mediziner: ICEs sind die weißen Züge. Mathematiker: Das ist falsch. Jeder ICE ist zwar weiß, aber nicht alle weißen Züge sind ICEs. [unhandled content-type:application/pgp-signature] | |