PnP: WARNING: at fs/sysfs/dir.c:424 sysfs_add_one() - Kernel

This is a discussion on PnP: WARNING: at fs/sysfs/dir.c:424 sysfs_add_one() - Kernel ; Hi, I know some of these have been reported, but I couldn't find one in the PnP subsystem. Linux Plug and Play Support v0.97 (c) Adam Belay pnp: PnP ACPI init ACPI: bus type pnp registered pnp: PnP ACPI: found ...

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Thread: PnP: WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()

  1. PnP: WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()

    Hi,

    I know some of these have been reported, but I couldn't find one in the
    PnP subsystem.


    Linux Plug and Play Support v0.97 (c) Adam Belay
    pnp: PnP ACPI init
    ACPI: bus type pnp registered
    pnp: PnP ACPI: found 15 devices
    ACPI: ACPI bus type pnp unregistered
    PnPBIOS: Disabled by ACPI PNP
    PCI: Probing PCI hardware
    sysfs: duplicate filename 'bridge' can not be created
    WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
    Pid: 1, comm: swapper Not tainted 2.6.24-1-686 #1
    [] sysfs_add_one+0x54/0xb8
    [] sysfs_create_link+0xaf/0xfd
    [] pci_bus_add_devices+0xba/0xff
    [] pcibios_scan_root+0x25/0x80
    [] printk+0x1b/0x1f
    [] pci_legacy_init+0x53/0xe1
    [] kernel_init+0x153/0x2c6
    [] ret_from_fork+0x6/0x1c
    [] kernel_init+0x0/0x2c6
    [] kernel_init+0x0/0x2c6
    [] kernel_thread_helper+0x7/0x10
    =======================
    pci 0000:00:01.0: Error creating sysfs bridge symlink, continuing...
    sysfs: duplicate filename 'bridge' can not be created
    WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
    Pid: 1, comm: swapper Not tainted 2.6.24-1-686 #1
    [] sysfs_add_one+0x54/0xb8
    [] sysfs_create_link+0xaf/0xfd
    [] pci_bus_add_devices+0xba/0xff
    [] pci_legacy_init+0x53/0xe1
    [] kernel_init+0x153/0x2c6
    [] ret_from_fork+0x6/0x1c
    [] kernel_init+0x0/0x2c6
    [] kernel_init+0x0/0x2c6
    [] kernel_thread_helper+0x7/0x10
    =======================
    pci 0000:00:1c.0: Error creating sysfs bridge symlink, continuing...
    sysfs: duplicate filename 'bridge' can not be created
    WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
    Pid: 1, comm: swapper Not tainted 2.6.24-1-686 #1
    [] sysfs_add_one+0x54/0xb8
    [] sysfs_create_link+0xaf/0xfd
    [] pci_bus_add_devices+0xba/0xff
    [] pci_legacy_init+0x53/0xe1
    [] kernel_init+0x153/0x2c6
    [] ret_from_fork+0x6/0x1c
    [] kernel_init+0x0/0x2c6
    [] kernel_init+0x0/0x2c6
    [] kernel_thread_helper+0x7/0x10
    =======================
    pci 0000:00:1c.4: Error creating sysfs bridge symlink, continuing...
    sysfs: duplicate filename 'bridge' can not be created
    WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
    Pid: 1, comm: swapper Not tainted 2.6.24-1-686 #1
    [] sysfs_add_one+0x54/0xb8
    [] sysfs_create_link+0xaf/0xfd
    [] pci_bus_add_devices+0xba/0xff
    [] pci_legacy_init+0x53/0xe1
    [] kernel_init+0x153/0x2c6
    [] ret_from_fork+0x6/0x1c
    [] kernel_init+0x0/0x2c6
    [] kernel_init+0x0/0x2c6
    [] kernel_thread_helper+0x7/0x10
    =======================
    pci 0000:00:1c.5: Error creating sysfs bridge symlink, continuing...
    sysfs: duplicate filename 'bridge' can not be created
    WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
    Pid: 1, comm: swapper Not tainted 2.6.24-1-686 #1
    [] sysfs_add_one+0x54/0xb8
    [] sysfs_create_link+0xaf/0xfd
    [] pci_bus_add_devices+0xba/0xff
    [] pci_legacy_init+0x53/0xe1
    [] kernel_init+0x153/0x2c6
    [] ret_from_fork+0x6/0x1c
    [] kernel_init+0x0/0x2c6
    [] kernel_init+0x0/0x2c6
    [] kernel_thread_helper+0x7/0x10
    =======================
    pci 0000:00:1e.0: Error creating sysfs bridge symlink, continuing...



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  2. Re: PnP: WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()

    Sorry,

    it's a debian 2.6.24-5

    Xav

    On Thu, 2008-04-03 at 15:54 +0200, Xavier Bestel wrote:
    > Hi,
    >
    > I know some of these have been reported, but I couldn't find one in the
    > PnP subsystem.
    >
    >
    > Linux Plug and Play Support v0.97 (c) Adam Belay
    > pnp: PnP ACPI init
    > ACPI: bus type pnp registered
    > pnp: PnP ACPI: found 15 devices
    > ACPI: ACPI bus type pnp unregistered
    > PnPBIOS: Disabled by ACPI PNP
    > PCI: Probing PCI hardware
    > sysfs: duplicate filename 'bridge' can not be created
    > WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
    > Pid: 1, comm: swapper Not tainted 2.6.24-1-686 #1
    > [] sysfs_add_one+0x54/0xb8
    > [] sysfs_create_link+0xaf/0xfd
    > [] pci_bus_add_devices+0xba/0xff
    > [] pcibios_scan_root+0x25/0x80
    > [] printk+0x1b/0x1f
    > [] pci_legacy_init+0x53/0xe1
    > [] kernel_init+0x153/0x2c6
    > [] ret_from_fork+0x6/0x1c
    > [] kernel_init+0x0/0x2c6
    > [] kernel_init+0x0/0x2c6
    > [] kernel_thread_helper+0x7/0x10
    > =======================
    > pci 0000:00:01.0: Error creating sysfs bridge symlink, continuing...
    > sysfs: duplicate filename 'bridge' can not be created
    > WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
    > Pid: 1, comm: swapper Not tainted 2.6.24-1-686 #1
    > [] sysfs_add_one+0x54/0xb8
    > [] sysfs_create_link+0xaf/0xfd
    > [] pci_bus_add_devices+0xba/0xff
    > [] pci_legacy_init+0x53/0xe1
    > [] kernel_init+0x153/0x2c6
    > [] ret_from_fork+0x6/0x1c
    > [] kernel_init+0x0/0x2c6
    > [] kernel_init+0x0/0x2c6
    > [] kernel_thread_helper+0x7/0x10
    > =======================
    > pci 0000:00:1c.0: Error creating sysfs bridge symlink, continuing...
    > sysfs: duplicate filename 'bridge' can not be created
    > WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
    > Pid: 1, comm: swapper Not tainted 2.6.24-1-686 #1
    > [] sysfs_add_one+0x54/0xb8
    > [] sysfs_create_link+0xaf/0xfd
    > [] pci_bus_add_devices+0xba/0xff
    > [] pci_legacy_init+0x53/0xe1
    > [] kernel_init+0x153/0x2c6
    > [] ret_from_fork+0x6/0x1c
    > [] kernel_init+0x0/0x2c6
    > [] kernel_init+0x0/0x2c6
    > [] kernel_thread_helper+0x7/0x10
    > =======================
    > pci 0000:00:1c.4: Error creating sysfs bridge symlink, continuing...
    > sysfs: duplicate filename 'bridge' can not be created
    > WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
    > Pid: 1, comm: swapper Not tainted 2.6.24-1-686 #1
    > [] sysfs_add_one+0x54/0xb8
    > [] sysfs_create_link+0xaf/0xfd
    > [] pci_bus_add_devices+0xba/0xff
    > [] pci_legacy_init+0x53/0xe1
    > [] kernel_init+0x153/0x2c6
    > [] ret_from_fork+0x6/0x1c
    > [] kernel_init+0x0/0x2c6
    > [] kernel_init+0x0/0x2c6
    > [] kernel_thread_helper+0x7/0x10
    > =======================
    > pci 0000:00:1c.5: Error creating sysfs bridge symlink, continuing...
    > sysfs: duplicate filename 'bridge' can not be created
    > WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
    > Pid: 1, comm: swapper Not tainted 2.6.24-1-686 #1
    > [] sysfs_add_one+0x54/0xb8
    > [] sysfs_create_link+0xaf/0xfd
    > [] pci_bus_add_devices+0xba/0xff
    > [] pci_legacy_init+0x53/0xe1
    > [] kernel_init+0x153/0x2c6
    > [] ret_from_fork+0x6/0x1c
    > [] kernel_init+0x0/0x2c6
    > [] kernel_init+0x0/0x2c6
    > [] kernel_thread_helper+0x7/0x10
    > =======================
    > pci 0000:00:1e.0: Error creating sysfs bridge symlink, continuing...
    >



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  3. Re: PnP: WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()

    On Thu, Apr 3, 2008 at 3:56 PM, Xavier Bestel wrote:
    > it's a debian 2.6.24-5


    > On Thu, 2008-04-03 at 15:54 +0200, Xavier Bestel wrote:
    > > I know some of these have been reported, but I couldn't find one in the
    > > PnP subsystem.
    > >
    > >
    > > Linux Plug and Play Support v0.97 (c) Adam Belay
    > > pnp: PnP ACPI init
    > > ACPI: bus type pnp registered
    > > pnp: PnP ACPI: found 15 devices
    > > ACPI: ACPI bus type pnp unregistered
    > > PnPBIOS: Disabled by ACPI PNP
    > > PCI: Probing PCI hardware
    > > sysfs: duplicate filename 'bridge' can not be created
    > > WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
    > > Pid: 1, comm: swapper Not tainted 2.6.24-1-686 #1
    > > [] sysfs_add_one+0x54/0xb8
    > > [] sysfs_create_link+0xaf/0xfd
    > > [] pci_bus_add_devices+0xba/0xff
    > > [] pcibios_scan_root+0x25/0x80
    > > [] printk+0x1b/0x1f
    > > [] pci_legacy_init+0x53/0xe1
    > > [] kernel_init+0x153/0x2c6
    > > [] ret_from_fork+0x6/0x1c
    > > [] kernel_init+0x0/0x2c6
    > > [] kernel_init+0x0/0x2c6
    > > [] kernel_thread_helper+0x7/0x10
    > > =======================
    > > pci 0000:00:01.0: Error creating sysfs bridge symlink, continuing...


    I guess, this fixes it:
    http://git.kernel.org/?p=linux/kerne...95e3be9731e047

    Kay
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