Return-Path: Subject: Re: [Bluez-devel] oops when playing audio From: Marcel Holtmann To: Dagfinn Ilmari =?ISO-8859-1?Q?Manns=E5ker?= Cc: BlueZ Mailing List In-Reply-To: References: Content-Type: text/plain Message-Id: <1087228927.13792.17.camel@pegasus> Mime-Version: 1.0 Sender: bluez-devel-admin@lists.sourceforge.net Errors-To: bluez-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: List-Post: List-Help: List-Subscribe: , List-Archive: Date: Mon, 14 Jun 2004 18:02:07 +0200 Hi Ilmari, > I was just playing around with hstest and my new Bluetooth headset (a > Jabra BT250, to be precise) when I got this oops after a few minutes' > playback: > > usb 1-1: new full speed USB device using address 3 > usb 1-1: USB disconnect, address 3 > __tx_submit: hci0 tx submit failed urb cff5a614 type 3 err -19 > __tx_submit: hci0 tx submit failed urb cff5a614 type 3 err -19 > usb 1-1: new full speed USB device using address 4 > Unable to handle kernel NULL pointer dereference at virtual address 00000000 > printing eip: > c021d454 > *pde = 00000000 > Oops: 0000 [#1] > PREEMPT > Modules linked in: sco hci_usb af_packet prism54 firmware_class nfs lockd sunrpc rfcomm l2cap bluetooth md5 ipv6 smsc_ircc2 ds iptable_nat ipt_state ip_conntrack iptable_mangle iptable_filter ip_tables e100 mii snd_maestro3 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_timer snd soundcore uhci_hcd usbcore yenta_socket pcmcia_core intel_agp agpgart ircomm_tty ircomm irda ide_cd cdrom mousedev joydev evdev psmouse apm i8k unix > CPU: 0 > EIP: 0060:[] Not tainted VLI > EFLAGS: 00210287 (2.6.7-rc3-mm1) > EIP is at skb_release_data+0x34/0xa0 > eax: cffc7cd8 ebx: 00000000 ecx: cffc7cd8 edx: 00000000 > esi: c1d26560 edi: cbc9af38 ebp: cc9c57c0 esp: cbc9ae64 > ds: 007b es: 007b ss: 0068 > Process hstest (pid: 1437, threadinfo=cbc9a000 task=cf80f830) > Stack: c1d26560 00000030 c021d4c8 00000000 c021d56c c1d26560 c1d26560 00000030 > c1d26560 c1d26560 d09d252e 00000030 00000000 00000000 d09fe660 cbc9aed8 > 00000800 c0219f40 00000800 00000000 bfffee30 00000000 00000000 00000000 > Call Trace: > [] kfree_skbmem+0x8/0x20 > [] __kfree_skb+0x8c/0x120 > [] bt_sock_recvmsg+0x7e/0xb0 [bluetooth] > [] sock_aio_read+0xb0/0xd0 > [] do_sync_read+0x6d/0xb0 > [] sys_select+0x24d/0x4b0 > [] vfs_read+0xe7/0x110 > [] sys_read+0x38/0x60 > [] sysenter_past_esp+0x52/0x71 > > Code: 0f 8b 80 a8 00 00 00 ff 08 0f 94 c2 84 d2 74 7a 8b 8e a8 00 00 00 8b 51 04 89 c8 85 d2 74 38 31 db 39 d3 73 32 89 f6 8b 54 d8 10 <8b> 02 f6 c4 08 75 17 8b 42 04 40 74 48 83 42 04 ff 0f 98 c0 84 > <3>hci_scodata_packet: hci0 SCO packet for unknown connection handle 43 > hci_scodata_packet: hci0 SCO packet for unknown connection handle 43 > > hsplay segfaulted, but I was able to start playing again afterwards. > Also, the kernel disconnects and reconnects the device spontaneously > every once in a while while playing (both before and after the oops), > like this: > > Jun 13 06:13:22 galadriel kernel: usb 1-1: new full speed USB device using address 5 > Jun 13 06:15:19 galadriel kernel: usb 1-1: USB disconnect, address 5 > Jun 13 06:15:20 galadriel kernel: usb 1-1: new full speed USB device using address 6 > Jun 13 06:15:57 galadriel kernel: usb 1-1: USB disconnect, address 6 > Jun 13 06:15:57 galadriel kernel: usb 1-1: new full speed USB device using address 7 > > I'm running 2.6.7-rc3-mm1 on a Dell Inspiron 4000 (P-III 800Mhz) and > using an MSI USB Bluetooth dongle. The relevant .config snippet is: try it without the --mm1 patch. What does "hciconfig -a" say about your Bluetooth dongle? Regards Marcel ------------------------------------------------------- This SF.Net email is sponsored by the new InstallShield X. >From Windows to Linux, servers to mobile, InstallShield X is the one installation-authoring solution that does it all. Learn more and evaluate today! http://www.installshield.com/Dev2Dev/0504 _______________________________________________ Bluez-devel mailing list Bluez-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-devel