Hi, lirc depends on ivtv. If you use it try stopping lircd and unload the lirc_i2c module. Probably also lircd_dev has to be unloaded.
Am 23.08.2006 um 17:07 schrieb Jeremiah Miller: > Hello, > > I have been using the ivtv driver for a few months now, and > generally it > has been excellent. However, I have encountered one problem: I can't > reliably unload the ivtv module. In order to get my box to wake-on- > alarm > to record a tv show, it must be in S3 (suspend-to-ram). To get the > system to go to S3, I have to remove the ivtv driver (as well as some > other drivers). The friendly version 'modprobe -r ivtv' does not work; > even with the front end and the back end shutdown, ivtv claims to > be in > use. So, I resorted to the scorched earth approach 'rmmod -f ivtv' and > this works- most of the time. It almost always works when I have woken > it up manually and sent it back to sleep manually. When the system > wakes > up automatically and records, it sometimes gets through the reboot > procedure (the bios must be restarted to set the time) and then > hangs. I > can login remotely by ssh and dmesg puts out the following complaint > (reconstructed from /var/log/kern.log): > > Unable to handle kernel NULL pointer dereference at virtual address > 00000000 > printing eip: > e0c293b1 > *pde = 00000000 > Oops: 0000 [#1] > PREEMPT SMP > Modules linked in: ehci_hcd shpchp pci_hotplug 8250_pnp pcspkr cx8800 > cx88xx ir_common ivtv bttv lirc_i2c lirc_dev wlan_wep ipv6 dvb_ttpci > l64781 tda8083 stv0297 sp8870 ttpci_eeprom saa7146_vv saa7146 mt312 > btcx_risc cx24110 tda1004x ves1820 stv0299 ves1x93 dvb_core video_buf > v4l2_common v4l1_compat evdev usbhid skge autofs4 af_packet > snd_ice1724 > snd_ice17xx_ak4xxx snd_ak4114 snd_ak4xxx_adda snd_ac97_codec > snd_ac97_bus snd_pcm snd_timer snd_page_alloc snd_mpu401_uart > snd_rawmidi snd_seq_device snd soundcore tda9887 msp3400 saa7127 > saa7115 > tuner tveeprom i2c_algo_bit videodev ath_pci ath_rate_sample wlan > ath_hal via_rhine mii agpgart i2c_viapro i2c_core parport_pc parport > 8250 serial_core pcmcia firmware_class yenta_socket rsrc_nonstatic > pcmcia_core video thermal processor fan container button battery ac > rtc > ohci1394 ieee1394 usb_storage ohci_hcd uhci_hcd usbcore a100u2w > megaraid > tmscsim tsdev > CPU: 0 > EIP: 0060:[pg0+543769521/1067881472] Tainted: P VLI > EFLAGS: 00010217 (2.6.15-chw-2) > EIP is at i2c_del_adapter+0xc1/0x250 [i2c_core] > eax: db1f1bd8 ebx: 00000000 ecx: db1f19b4 edx: 00000000 > esi: dfc32c44 edi: e0f5c8a8 ebp: db1f19b4 esp: d925fec8 > ds: 007b es: 007b ss: 0068 > Process rmmod (pid: 4537, threadinfo=d925e000 task=d9269a70) > Stack: db1f19b4 00000000 db1f0000 dfc32c44 e0f5c8a8 e0f5c8f8 e0f30bcd > db1f19b4 > db1f0000 dfc32c00 c02c5c6b dfc32c00 dfc32ccc c031d1f8 dfc32c44 > dfc32c44 > dfc32c84 e0f5c8a8 c031d2a6 dfc32c44 e0f5c900 e0f5c8a8 00000001 > 00000000 > Call Trace: > [pg0+546945997/1067881472] ivtv_remove+0x1ed/0x4c0 [ivtv] > [pci_device_remove+43/48] pci_device_remove+0x2b/0x30 > [__device_release_driver+104/128] __device_release_driver+0x68/0x80 > [driver_detach+102/117] driver_detach+0x66/0x75 > [bus_remove_driver+66/112] bus_remove_driver+0x42/0x70 > [driver_unregister+11/32] driver_unregister+0xb/0x20 > [pci_unregister_driver+14/32] pci_unregister_driver+0xe/0x20 > [pg0+546947036/1067881472] module_cleanup+0x4c/0x50 [ivtv] > [pg0+546946960/1067881472] module_cleanup+0x0/0x50 [ivtv] > [sys_delete_module+316/384] sys_delete_module+0x13c/0x180 > [syscall_call+7/11] syscall_call+0x7/0xb > Code: 93 50 ff ff ff 85 d2 0f 85 5f 01 00 00 89 c3 8b 00 0f 18 00 > 90 81 > fb c8 ce c2 e0 75 e2 8b 9d 24 02 00 00 8d 85 24 02 00 00 39 c3 <8b> 3b > 89 04 24 74 27 8d b3 a4 fe ff ff 8b 46 0c 56 ff 50 38 89 > <6>ACPI: PCI interrupt for device 0000:00:09.0 disabled > > Looking back through kern.log this is the same error I see on other > occassions where the system has woken up automatically to record, then > failed to go back to sleep. > > I should also mention that this problem has happened intermittently in > the past (sometimes the system would wake from S3 automatically, > record > and go back to sleep without a problem); but the last four times it > has > failed with the error above. > > One other relvant piece of information: my /etc/mythtv/modules/ivtv > and > /etc/mythtv/modules/ivtv0 (called by /etc/modprobe.d/KnoppMyth) file > looks like this: > > ivtv: > alias char-major-81 videodev > alias char-major-61 lirc_i2c > #options ivtv debug=1 > #options tuner type=2 > options msp3400 once=1 > install ivtv /sbin/modprobe tuner; /sbin/modprobe msp3400; > /sbin/modprobe saa7115; /sbin/modprobe --ignore-install ivtv > remove ivtvt /sbin/modprobe -r ivtv --ignore-remove ivtv && > /sbin/modprobe -r saa7115 && /sbin/modprobe -r msp3400 && /sbin/ > modprobe > -r tuner > > ivtv0: > alias char-major-81-0 ivtv > > So, after this rather long post, my question is: does anyone know of a > 'cleaner' way to unload ivtv? It seems that it doesn't like rmmod - > f; I > have searched the fountain of all knowledge (google) but I can't find > anything on this, I can't even determine what exactly would be using > ivtv if the front end and backend are not up and running. > Alternatively, > if anyone out there knows how to stop ivtv from loading on boot I > think > I could make my scheme work. Any other solutions to my problem would > also be welcome. > > Thanks! > Jeremiah > > Hardware: > Hauppage PVR-350 > lspci -v : > 0000:00:0a.0 Multimedia video controller: Internext Compression Inc > iTVC15 MPEG-2 Encoder (rev 01) > Subsystem: Hauppauge computer works Inc. WinTV PVR-350 > Flags: bus master, medium devsel, latency 64, IRQ 21 > Memory at e8000000 (32-bit, prefetchable) [size=64M] > Capabilities: [44] Power Management version 2 > Abit KV-85 mobo (Via K8M800/VT8237R) > AMD Sempron 3100+ > 512 MB Ram > Chaintech AV-710 Sound Card > Generic GeForce MX4000 128 MB Nvidia video card > DLink DWL-G510 Wireless PCI card > Seagate 160 GB SATA-300 hard drive > > Software: > Knoppmyth R5C7 > Kernel: 2.6.15-chw-2 > ivtv 0.4.4 > > ivtv modules output at startup (from kern.log) > > ivtv: ==================== START INIT IVTV ==================== > ivtv: version 0.4.4 (tagged release) loading > ivtv: Linux version: 2.6.15-chw-2 SMP preempt 586 gcc-3.3 > ivtv: In case of problems please include the debug info between > ivtv: the START INIT IVTV and END INIT IVTV lines, along with > ivtv: any module options, when mailing the ivtv-users mailinglist. > ivtv0: Autodetected WinTV PVR 350 card (cx23415 based) > ACPI: PCI Interrupt 0000:00:0a.0[A] -> GSI 18 (level, low) -> IRQ 21 > ivtv0: Unreasonably low latency timer, setting to 64 (was 32) > tveeprom: ivtv version > tveeprom: Hauppauge: model = 48132, rev = K268, serial# = 8602980 > tveeprom: tuner = LG TAPE H001F MK3 (idx = 68, type = 47) > tuner fmt = NTSC(M) (eeprom = 0x08, v4l2 = 0x00001000) > tveeprom: audio processor = MSP4448 (type = 1b) > tveeprom: decoder processor = SAA7115 (type = 13) > ivtv0: i2c attach to card #0 ok [client=tveeprom, addr=50] > tuner (ivtv): chip found at addr 0xc2 i2c-bus ivtv i2c driver #0 > ivtv0: i2c attach to card #0 ok [client=(tuner unset), addr=61] > saa7115 1-0021: saa7115 found @ 0x42 (ivtv i2c driver #0) > ivtv0: i2c attach to card #0 ok [client=saa7115, addr=21] > saa7127 1-0044: saa7129 found @ 0x88 (ivtv i2c driver #0) > ivtv0: i2c attach to card #0 ok [client=saa7127, addr=44] > msp3400 1-0040: chip=MSP4448G-B3 +nicam +simple +simpler +radio > mode=simpler > msp3400 1-0040: msp34xxg daemon started > ivtv0: i2c attach to card #0 ok [client=MSP4448G-B3, addr=40] > tda9887 1-0043: (ivtv) chip found @ 0x86 (ivtv i2c driver #0) > ivtv0: i2c attach to card #0 ok [client=tda9887, addr=43] > ivtv0: loaded v4l-cx2341x-enc.fw firmware (262144 bytes) > ivtv0: loaded v4l-cx2341x-dec.fw firmware (262144 bytes) > ivtv0: Encoder revision: 0x02050032 > ivtv0: Decoder revision: 0x02020023 > ivtv0: Allocate DMA encoder MPEG stream: 128 x 32768 buffers > (4096KB total) > ivtv0: Allocate DMA encoder YUV stream: 194 x 10800 buffers (2048KB > total) > ivtv0: Allocate DMA encoder VBI stream: 120 x 17472 buffers (2048KB > total) > ivtv0: Allocate DMA encoder PCM audio stream: 455 x 4608 buffers > (2048KB > total) > ivtv0: Create encoder radio stream > ivtv0: Allocate DMA decoder MPEG stream: 16 x 65536 buffers (1024KB > total) > ivtv0: Allocate DMA decoder VBI stream: 512 x 2048 buffers (1024KB > total) > ivtv0: Create decoder VOUT stream > ivtv0: Allocate DMA decoder YUV stream: 24 x 43200 buffers (1024KB > total) > ivtv0: loaded v4l-cx2341x-init.mpg firmware (155648 bytes) > tuner: type set to 47 (LG NTSC (TAPE series)) by ivtv i2c driver #0 > ivtv0: Initialized WinTV PVR 350, card #0 > ivtv: ==================== END INIT IVTV ==================== > > > _______________________________________________ > ivtv-users mailing list > [email protected] > http://ivtvdriver.org/mailman/listinfo/ivtv-users > _______________________________________________ ivtv-users mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-users
