On Thu, Aug 14, 2008 at 17:38, Randy Dunlap <randy.dunlap@xxxxxxxxxx> 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 Hi Randy, care to add a printk to the module sysfs setup, and post dmesg again? --- a/kernel/params.c +++ b/kernel/params.c @@ -603,6 +603,8 @@ static void __init param_sysfs_builtin(void) } name_len = dot - kp->name; + printk("XXX adding modparam:'%s' %i (%p)\n", kp->name, i, kp); + /* new kbuild_modname? */ if (strlen(modname) != name_len || strncmp(modname, kp->name, name_len) != 0) { I might show the order of registering the /sys/modules/ directory, and if there is possibly another "acpi" section, which tries to add parameter names. Thanks, Kay -- 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