On Fri, 2008-08-15 at 04:56 +0200, Andi Kleen wrote: > Greg KH wrote: > > On Thu, Aug 14, 2008 at 08:38:28AM -0700, Randy Dunlap wrote: > >> calling param_sysfs_init+0x0/0x1e7 > >> ------------[ cut here ]------------ > >> WARNING: at fs/sysfs/dir.c:463 sysfs_add_one+0x35/0x3d() > >> sysfs: duplicate filename 'acpi' can not be created > > > > Why would this be a sysfs error, it's acpi doing something foolish, > > that's why the sysfs layer is warning about it :) > > The NULL pointer reference further down actually looks like something > foolish in the sysfs layer. But actually ACPI is not doing > anything wrong here I think. According to the backtrace it happens > when a kernel param (aka module_param) is set. And creating multiple > params in the same acpi space is completely legal. > > It looks more like the high level code that sets up these parameters > broke somehow and starts registering these twice and now ACPI is the > first one to hit it (maybe because it starts with 'a' :-). Perhaps we could try "acpi=off" and see if it still happens. thanks, rui -- 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
