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    SubjectRe: kobject_add failed with -EEXIST
    * Jiri Slaby <jirislaby@gmail.com> wrote:

    > Does anybody have some clue, what's wrong with the attached module?
    > Kernel complains when the module is insmoded second time
    > (DRIVER_DEBUG enabled):

    no idea, but I got the same error msg during boot with a monolithic
    2.6.18.3 (vanilla) when it comes to init of the sound hardware:


    lspci

    00:00.0 Host bridge: nVidia Corporation nForce3 250Gb Host Bridge
    (rev a1)
    00:01.0 ISA bridge: nVidia Corporation nForce3 250Gb LPC Bridge (rev
    a2)
    00:01.1 SMBus: nVidia Corporation nForce 250Gb PCI System Management
    (rev a1)
    00:02.0 USB Controller: nVidia Corporation CK8S USB Controller (rev
    a1)
    00:02.1 USB Controller: nVidia Corporation CK8S USB Controller (rev
    a1)
    00:02.2 USB Controller: nVidia Corporation nForce3 EHCI USB 2.0
    Controller (rev a2)
    00:05.0 Bridge: nVidia Corporation CK8S Ethernet Controller (rev a2)
    00:06.0 Multimedia audio controller: nVidia Corporation nForce3 250Gb
    AC'97 Audio Controller (rev a1)
    00:08.0 IDE interface: nVidia Corporation CK8S Parallel ATA
    Controller (v2.5) (rev a2)
    00:0b.0 PCI bridge: nVidia Corporation nForce3 250Gb AGP Host to PCI
    Bridge (rev a2)
    00:0e.0 PCI bridge: nVidia Corporation nForce3 250Gb PCI-to-PCI
    Bridge (rev a2)
    00:18.0 Host bridge: Advanced Micro Devices [AMD] K8
    [Athlon64/Opteron] HyperTransport Technology Configuration
    00:18.1 Host bridge: Advanced Micro Devices [AMD] K8
    [Athlon64/Opteron] Address Map
    00:18.2 Host bridge: Advanced Micro Devices [AMD] K8
    [Athlon64/Opteron] DRAM Controller
    00:18.3 Host bridge: Advanced Micro Devices [AMD] K8
    [Athlon64/Opteron] Miscellaneous Control
    02:06.0 PCI bridge: Hint Corp HB6 Universal PCI-PCI bridge
    (non-transparent mode) (rev 15)
    02:09.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
    RTL-8139/8139C/8139C+ (rev 10)
    02:0a.0 Multimedia video controller: Brooktree Corporation Bt878
    Video Capture (rev 11)
    02:0a.1 Multimedia controller: Brooktree Corporation Bt878 Audio
    Capture (rev 11)
    03:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA
    G400/G450 (rev 85)


    dmesg-snip

    Advanced Linux Sound Architecture Driver Version 1.0.12rc1 (Thu Jun
    22 13:55:50 2006 UTC).
    PCI: Enabling device 0000:02:0a.1 (0100 -> 0102)
    ACPI: PCI Interrupt 0000:02:0a.1[A] -> Link [LNKA] -> GSI 19 (level,
    low) -> IRQ 16
    ACPI: PCI Interrupt Link [LAUI] enabled at IRQ 21
    ACPI: PCI Interrupt 0000:00:06.0[A] -> Link [LAUI] -> GSI 21 (level,
    low) -> IRQ 19
    PCI: Setting latency timer of device 0000:00:06.0 to 64
    intel8x0_measure_ac97_clock: measured 60000 usecs
    intel8x0: clocking to 55563
    kobject_add failed for audio with -EEXIST, don't try to register
    things with the same name in the same directory.
    [<c02bec1a>] kobject_add+0xf4/0xfa
    [<c039604d>] class_device_add+0x9d/0x286
    [<c03962bc>] class_device_create+0x76/0x8c
    [<c049c701>] sound_insert_unit+0xbd/0xd2
    [<c049c857>] register_sound_special_device+0xf8/0x100
    [<c02c1583>] vsnprintf+0x459/0x49a
    [<c04ae6cd>] snd_register_oss_device+0x107/0x15d
    [<c04c1e7e>] register_oss_dsp+0x35/0x57
    [<c02bf2d3>] kobject_uevent+0x348/0x350
    [<c04c1eca>] snd_pcm_oss_register_minor+0x2a/0xbe
    [<c04afa84>] snd_timer_dev_register+0xbe/0xc3
    [<c04ae1fb>] snd_device_register+0x32/0x53
    [<c04b91e1>] snd_pcm_timer_init+0xa9/0xdc
    [<c04b20a4>] snd_pcm_dev_register+0xf0/0x151
    [<c04b20ed>] snd_pcm_dev_register+0x139/0x151
    [<c04ae24a>] snd_device_register_all+0x2e/0x42
    [<c04ab5a6>] snd_card_register+0x9/0xaa
    [<c04c7dc4>] snd_intel8x0_probe+0x14e/0x171
    [<c0395455>] __driver_attach+0x0/0x59
    [<c02cc923>] pci_call_probe+0xa/0xc
    [<c02cc953>] __pci_device_probe+0x2e/0x3f
    [<c02cc982>] pci_device_probe+0x1e/0x30
    [<c03953b2>] driver_probe_device+0x44/0x95
    [<c039548b>] __driver_attach+0x36/0x59
    [<c0394b94>] bus_for_each_dev+0x35/0x59
    [<c03954bf>] driver_attach+0x11/0x13
    [<c0395455>] __driver_attach+0x0/0x59
    [<c0394f81>] bus_add_driver+0x52/0x81
    [<c02ccb07>] __pci_register_driver+0x37/0x47
    [<c04b22b5>] snd_pcm_notify+0x8c/0x91
    [<c077076b>] alsa_pcm_oss_init+0x61/0x6c
    [<c07506e4>] do_initcalls+0x53/0xe4
    [<c013e98b>] register_irq_proc+0x57/0x66
    [<c0184e68>] proc_mkdir_mode+0x37/0x49
    [<c0100295>] init+0x0/0x11f
    [<c01002cc>] init+0x37/0x11f
    [<c01012e1>] kernel_thread_helper+0x5/0xb
    PM: Adding info for ac97:0-0:ALC850
    ALSA device list:
    #0: NVidia CK8S with ALC850 at 0xfebfb000, irq 19
    #1: Brooktree Bt878 at 0xf57ff000, irq 16


    gcc -v

    Reading specs from /usr/lib/gcc/i486-slackware-linux/3.4.6/specs
    Configured with: ../gcc-3.4.6/configure --prefix=/usr --enable-shared
    --enable-threads=posix --enable-__cxa_atexit --disable-checking
    --with-gnu-ld --verbose --target=i486-slackware-linux
    --host=i486-slackware-linux
    Thread model: posix
    gcc version 3.4.6


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