Andrew Morton wrote: > On Wed, 20 Aug 2008 13:34:42 +0800 Li Zefan <lizf@xxxxxxxxxxxxxx> wrote: > >> When I compiled latest -mm and booted up: >> >> ------------[ cut here ]------------ >> WARNING: at fs/sysfs/dir.c:463 sysfs_add_one+0x27/0x2f() >> sysfs: duplicate filename 'acpi' can not be created >> Modules linked in: >> Pid: 1, comm: swapper Not tainted 2.6.27-rc3-mm1 #2 >> [<c0421173>] warn_slowpath+0x61/0x83 >> [<c043b422>] __lock_acquire+0x601/0x658 >> [<c047ea0d>] ifind+0x13/0x79 >> [<c05c2ce9>] _spin_unlock+0x14/0x1c >> [<c047ea6d>] ifind+0x73/0x79 >> [<c04a5a32>] sysfs_find_dirent+0x13/0x23 >> [<c04a5ac5>] sysfs_add_one+0x27/0x2f >> [<c04a5f83>] create_dir+0x3c/0x81 >> [<c04a5ff1>] sysfs_create_dir+0x29/0x3b >> [<c05c2ce9>] _spin_unlock+0x14/0x1c >> [<c04c466d>] kobject_add_internal+0xb1/0x14a >> [<c04c490b>] kobject_init_and_add+0x29/0x2c >> [<c06ea613>] kernel_param_sysfs_setup+0x4f/0x9f >> [<c06ea753>] param_sysfs_init+0xf0/0x147 >> [<c0401122>] _stext+0x3a/0x12f >> [<c06ea663>] param_sysfs_init+0x0/0x147 >> [<c041b3ee>] try_to_wake_up+0x146/0x14f >> [<c042d9f5>] __create_workqueue_key+0xa0/0x13c >> [<c06d9550>] kernel_init+0x18d/0x1f1 >> [<c06d93c3>] kernel_init+0x0/0x1f1 >> [<c04044ff>] kernel_thread_helper+0x7/0x10 >> ======================= >> ---[ end trace 4eaa2a86a8e2da22 ]--- >> kobject_add_internal failed for acpi with -EEXIST, don't try to register things with the same name in the same directory. >> Pid: 1, comm: swapper Tainted: G W 2.6.27-rc3-mm1 #2 >> [<c04c46d0>] kobject_add_internal+0x114/0x14a >> [<c04c490b>] kobject_init_and_add+0x29/0x2c >> [<c06ea613>] kernel_param_sysfs_setup+0x4f/0x9f >> [<c06ea753>] param_sysfs_init+0xf0/0x147 >> [<c0401122>] _stext+0x3a/0x12f >> [<c06ea663>] param_sysfs_init+0x0/0x147 >> [<c041b3ee>] try_to_wake_up+0x146/0x14f >> [<c042d9f5>] __create_workqueue_key+0xa0/0x13c >> [<c06d9550>] kernel_init+0x18d/0x1f1 >> [<c06d93c3>] kernel_init+0x0/0x1f1 >> [<c04044ff>] kernel_thread_helper+0x7/0x10 >> ======================= >> Module 'acpi' failed to be added to sysfs, error number -17 >> The system will be unstable now. > > The only acpi-specific patches in mm(otm) are > > acpi-add-checking-for-null-early-param.patch > acpi-avoid-dropping-rapid-hotkey-events-or-other-gpes-on-asus-eeepc.patch > mm-only-enforce-acpi-resource-conflict-checks.patch > > so I'd say you've hit a linux-next regression there. > You are right. after 'quilt push linux-next.patch', I still saw the regression, and then it's ok after 'quilt pop 1' > Random-possible-feel-it-in-my-water-guess: do you have CONFIG_FASTBOOT > set and if so, does unsetting it fix things? > > -- 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
