From: Olaf Hering <olh@suse.de> xmon will do nothing but noise on a G5 if BOOTX_TEXT is not enabled. mention the recognized kernel cmdline options for xmon. Signed-off-by: Olaf Hering <olh@suse.de> Cc: Paul Mackeras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> --- arch/ppc64/Kconfig.debug | 9 +++++++++ 1 files changed, 9 insertions(+) diff -puN arch/ppc64/Kconfig.debug~ppc64-update-xmon-helptext arch/ppc64/Kconfig.debug --- devel/arch/ppc64/Kconfig.debug~ppc64-update-xmon-helptext 2005-08-05 00:31:47.000000000 -0700 +++ devel-akpm/arch/ppc64/Kconfig.debug 2005-08-05 00:31:47.000000000 -0700 @@ -41,10 +41,19 @@ config XMON help Include in-kernel hooks for the xmon kernel monitor/debugger. Unless you are intending to debug the kernel, say N here. + Make sure to enable also CONFIG_BOOTX_TEXT on Macs. Otherwise + nothing will appear on the screen (xmon writes directly to the + framebuffer memory). + The cmdline option 'xmon' or 'xmon=early' will drop into xmon very + early during boot. 'xmon=on' will just enable the xmon debugger hooks. + 'xmon=off' will disable the debugger hooks if CONFIG_XMON_DEFAULT is set. config XMON_DEFAULT bool "Enable xmon by default" depends on XMON + help + xmon is normally disabled unless booted with 'xmon=on'. + Use 'xmon=off' to disable xmon init during runtime. config PPCDBG bool "Include PPCDBG realtime debugging" _