On Wed, Jun 21, 2006 at 01:36:59PM -0700, Jeremy Fitzhardinge wrote:
> I get this oops on boot, while the /etc/rc.d/init.d/bluetooth scripts
> are running:
>
> Bluetooth: Core ver 2.8
> NET: Registered protocol family 31
> Bluetooth: HCI device and connection manager initialized
> Bluetooth: HCI socket layer initialized
> BUG: unable to handle kernel NULL pointer dereference at virtual address
> 00000000
> printing eip:
> c027a5d5
> *pde = 00000000
> Oops: 0000 [#1]
> 4K_STACKS SMP
> last sysfs file:
> /devices/pci0000:00/0000:00:1e.0/0000:15:00.1/fw-host0/000a27000401f4a2/000a2
> 7000401f4a2-0/version
> Modules linked in: bluetooth sunrpc ip_conntrack_netbios_ns ipt_REJECT
> xt_state ip_conntrack n
> fnetlink xt_tcpudp iptable_filter ip_tables x_tables vfat fat dm_mirror
> dm_mod video ibm_acpi
> button battery ac parport_pc lp parport nvram raw1394 video1394
> snd_hda_intel snd_hda_codec sn
> d_seq_dummy mmc_block snd_seq_oss snd_seq_midi_event wlan_scan_sta snd_seq
> snd_seq_device snd_
> pcm_oss snd_mixer_oss snd_pcm snd_timer sdhci sg ohci1394 ieee1394 ehci_hcd
> snd mmc_core ath_p
> ci ath_rate_sample e1000 i2c_i801 soundcore snd_page_alloc wlan ath_hal
> uhci_hcd piix pcspkr i
> 2c_core generic ext3 jbd ahci libata sd_mod scsi_mod
> CPU: 0
> EIP: 0060:[<c027a5d5>] Tainted: P VLI
> EFLAGS: 00210287 (2.6.17-mm1 #40)
> EIP is at usbdev_open+0xaf/0x1a3
> eax: 0bd00200 ebx: 00000000 ecx: fffffe78 edx: f757c388
> esi: f64d1b40 edi: f7fb9ac0 ebp: 00000200 esp: f75e3ed8
> ds: 007b es: 007b ss: 0068
> Process hid2hci (pid: 2140, ti=f75e3000 task=f70a65a0 task.ti=f75e3000)
> Stack: f7092b00 f7014bf0 00000000 c03d0e00 f7014bf0 f7092b00 c016d7eb
> 00000200
> f7092b00 f7014bf0 00000000 c016d6e7 c0164314 c20fe140 f750fe08
> f7092b00
> 00000002 f75e3f40 00000004 c0164472 f7092b00 00000000 00000001
> c01644b3
> Call Trace:
> [<c016d7eb>] chrdev_open+0x104/0x148
> [<c016d6e7>] chrdev_open+0x0/0x148
> [<c0164314>] __dentry_open+0xc7/0x1ab
> [<c0164472>] nameidata_to_filp+0x24/0x33
> [<c01644b3>] do_filp_open+0x32/0x39
> [<c0123eda>] current_fs_time+0x4f/0x59
> [<c0164243>] get_unused_fd+0xb9/0xc3
> [<c01644fc>] do_sys_open+0x42/0xbe
> [<c01645b1>] sys_open+0x1c/0x1e
> [<c030052d>] sysenter_past_esp+0x56/0x79
> [<c030007b>] __down_interruptible+0x63/0x12e
> Code: 00 00 8b 3d ac ba 4a c0 8b 8f 9c 00 00 00 81 e9 88 01 00 00 eb 15 89
> e8 0d 00 00 d0 0b 3
> 9 81 94 01 00 00 74 85 8d 8b 78 fe ff ff <8b> 99 88 01 00 00 0f 18 03 90 8d
> 91 88 01 00 00 8d
> 87 9c 00 00
> EIP: [<c027a5d5>] usbdev_open+0xaf/0x1a3 SS:ESP 0068:f75e3ed8
> <6>Bluetooth: L2CAP ver 2.8
> Bluetooth: L2CAP socket layer initialized
> Bluetooth: RFCOMM socket layer initialized
> Bluetooth: RFCOMM TTY layer initialized
> Bluetooth: RFCOMM ver 1.7
> Bluetooth: HIDP (Human Interface Emulation) ver 1.1
>
> There's no bluetooth device actually visible on the USB bus at this point.
Can you duplicate this without the closed source kernel module loaded?
thanks,
greg k-h
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