https://bugzilla.kernel.org/show_bug.cgi?id=42755 --- Comment #14 from Rosen <sandikata@xxxxxxxxx> 2012-02-12 10:40:56 --- (In reply to comment #13) > (In reply to comment #12) > > Allready mounted. Bu this directory doesn't exist, i have those dirs: > > > > /sys/kernel/debug > > acpi bdi dri hid ieee80211 kvm mce suspend_stats usb virtio-ports > > wakeup_sources x86 > > Is this ancient kernel? Or have you disabled tracing during kernel compile? If > later you will have to rebuild the kernel with tracing enabled. This is the > only way to see what is happening. Its my kernel not default ARCH kernel. zgrep TRACE /proc/config.gz CONFIG_STACKTRACE_SUPPORT=y # CONFIG_RCU_TRACE is not set # CONFIG_TREE_RCU_TRACE is not set CONFIG_HAVE_ARCH_TRACEHOOK=y # CONFIG_TRACE_SINK is not set CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_USER_STACKTRACE_SUPPORT=y CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y CONFIG_HAVE_DYNAMIC_FTRACE=y CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y CONFIG_HAVE_SYSCALL_TRACEPOINTS=y # CONFIG_FTRACE is not set CONFIG_HAVE_MMIOTRACE_SUPPORT=y i'm not sure which option need to be enabled?! -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html