On Wed, 18 Apr 2007 12:21:37 +0200 Andi Kleen wrote: > > First it was documented twice. acpi_dbg_layer and acpi_dbg_level are different. But the added text is Good. > Since this is a fairly important option document it properly. > I kept myself looking for this information again and again. > > In particular the individual bits are fairly important. And add some > warnings. > > Signed-off-by: Andi Kleen <ak@xxxxxxx> > > Index: linux/Documentation/kernel-parameters.txt > =================================================================== > --- linux.orig/Documentation/kernel-parameters.txt > +++ linux/Documentation/kernel-parameters.txt > @@ -187,13 +187,16 @@ and is between 256 and 4096 characters. > 1: enable, 0: disable. It is useful for boot time > debugging. After system has booted up, it can be set > via /proc/acpi/debug_layer. > - > - acpi_dbg_level= [HW,ACPI] > - Format: <int> > - Each bit of the <int> indicates an ACPI debug level, > - 1: enable, 0: disable. It is useful for boot time > - debugging. After system has booted up, it can be set > - via /proc/acpi/debug_level. > + CONFIG_ACPI_DEBUG must be enabled for this to produce any output. > + Available bits (add the numbers together) to enable debug output > + for specific parts of the ACPI subsystem: > + 1 utilities 2 hardware 4 events 8 tables > + 0x10 namespace 0x20 parser 0x40 dispatcher > + 0x80 executer 0x100 resources 0x200 debugger > + 0x400 os services > + The number can be in decimal or prefixed with 0x in hex. > + Warning: Many of these options can produce a lot of > + output and make your system unusable. Be very careful. > > acpi_fake_ecdt [HW,ACPI] Workaround failure due to BIOS lacking ECDT > --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
