Re: [WARNING -rc8] at fs/sysfs/dir.c:424 sysfs_add_one(), relatedwith processor (ACPI)

From: Andrew Morton
Date: Wed Jan 23 2008 - 17:07:47 EST


> On Mon, 21 Jan 2008 18:53:18 +0100 "Miguel Ojeda" <maxextreme@xxxxxxxxx> wrote:
> Booting 2.6.24-rc8 I get this:
>
>
> sysfs: duplicate filename 'fan' can not be created
> WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
> Pid: 819, comm: modprobe Not tainted 2.6.24-rc8 #2
> [<c01b18ff>] sysfs_add_one+0x9f/0xe0
> [<c01b1e38>] create_dir+0x48/0x90
> [<c01b1ea9>] sysfs_create_dir+0x29/0x50
> [<c024873f>] kobject_get+0xf/0x20
> [<c0248bff>] kobject_add+0x8f/0x1b0
> [<c0248db1>] kobject_register+0x21/0x50
> [<c02dc6f1>] bus_add_driver+0x71/0x1e0
> [<f886402f>] acpi_fan_init+0x2f/0x4d [fan]
> [<c0148986>] sys_init_module+0x126/0x19b0
> [<c024af87>] rb_insert_color+0xb7/0xe0
> [<c029dc8d>] acpi_bus_register_driver+0x0/0x38
> [<c0104286>] syscall_call+0x7/0xb
> =======================
> kobject_add failed for fan with -EEXIST, don't try to register things
> with the same name in the same directory.
> Pid: 819, comm: modprobe Not tainted 2.6.24-rc8 #2
> [<c0248c81>] kobject_add+0x111/0x1b0
> [<c0248db1>] kobject_register+0x21/0x50
> [<c02dc6f1>] bus_add_driver+0x71/0x1e0
> [<f886402f>] acpi_fan_init+0x2f/0x4d [fan]
> [<c0148986>] sys_init_module+0x126/0x19b0
> [<c024af87>] rb_insert_color+0xb7/0xe0
> [<c029dc8d>] acpi_bus_register_driver+0x0/0x38
> [<c0104286>] syscall_call+0x7/0xb
> =======================
> processor: exports duplicate symbol acpi_processor_set_thermal_limit
> (owned by kernel)
>
>
>
> After that, there are five more traces. Attached dmesg output and .config.
>

Cc linux-acpi. If nothing happens (not uncommon) then please raise a
report agaisnt acpi at bugzilla.kernel.org, thanks.

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