Em 23-09-2011 09:04, Thomas Petazzoni escreveu: > Hello Devin, > > Le Thu, 22 Sep 2011 17:29:29 +0200, > Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx> a écrit : > >> I guess you're talking about 44ecf1df9493e6684cd1bb34abb107a0ffe1078a, >> which ensures a 10ms msleep call. We don't have this patch, but as with >> CONFIG_HZ=100, msleep() calls are anyway rounded up to 10ms, so I'm not >> sure this patch will have a huge impact. But we will try. >> >> Then, there is also de99d5328c6d54694471da28711a05adec708c3b, but it >> doesn't seem to be related to our problem. But we will also try with >> that one. > > So, we have now tried with Linux 3.0 and the following additional > patches: > > * 992299e84a4891275ea5924e30b66ce39a701e5e (Fix regression > introduced which broke the Hauppauge USBLive 2) > * 44ecf1df9493e6684cd1bb34abb107a0ffe1078a (cx231xx: Fix power ramping > issue) > * de99d5328c6d54694471da28711a05adec708c3b (cx231xx: Provide > signal lock status in G_INPUT) > * the DMA fix > > And still the result is the same: we get a first frame, and then > nothing more, and we have a large number of error messages in the > kernel logs. I don't think that this is related to the power manager anymore. It can be related to cache coherency and/or to iommu support. > > [ 18.833587] cx231xx v4l2 driver loaded. > [ 18.833831] cx231xx #0: New device Hauppauge Hauppauge Device @ 480 Mbps (2040:c200) with 5 interfaces > [ 18.833862] cx231xx #0: registering interface 1 > [ 18.854492] cx231xx #0: can't change interface 3 alt no. to 3: Max. Pkt size = 0 > [ 19.185943] cx231xx #0: can't change interface 4 alt no. to 1: Max. Pkt size = 0 > [ 19.405700] cx231xx #0: Identified as Hauppauge USB Live 2 (card=9) > [ 19.692993] cx231xx #0: cx231xx_dif_set_standard: setStandard to ffffffff > [ 20.238159] cx25840 4-0044: cx23102 A/V decoder found @ 0x88 (cx231xx #0) > [ 20.333740] cx25840 4-0044: Firmware download size changed to 16 bytes max length > [ 21.783569] smsc95xx 1-2.1:1.0: eth0: link up, 100Mbps, full-duplex, lpa 0xC5E1 > [ 22.921936] cx25840 4-0044: loaded v4l-cx231xx-avcore-01.fw firmware (16382 bytes) > [ 22.960815] cx231xx #0: cx231xx #0: v4l2 driver version 0.0.1 > [ 22.989715] cx231xx #0: cx231xx_dif_set_standard: setStandard to ffffffff > [ 23.042663] cx231xx #0: video_mux : 0 > [ 23.042694] cx231xx #0: do_mode_ctrl_overrides : 0xb000 > [ 23.043548] cx231xx #0: do_mode_ctrl_overrides NTSC > [ 23.056213] cx231xx #0: cx231xx #0/0: registered device video0 [v4l2] > [ 23.061035] cx231xx #0: cx231xx #0/0: registered device vbi0 > [ 23.061065] cx231xx #0: V4L2 device registered as video0 and vbi0 > [ 23.061096] cx231xx #0: EndPoint Addr 0x84, Alternate settings: 5 > [ 23.061096] cx231xx #0: Alternate setting 0, max size= 512 > [ 23.061126] cx231xx #0: Alternate setting 1, max size= 184 > [ 23.061126] cx231xx #0: Alternate setting 2, max size= 728 > [ 23.061157] cx231xx #0: Alternate setting 3, max size= 2892 > [ 23.061157] cx231xx #0: Alternate setting 4, max size= 1800 > [ 23.061187] cx231xx #0: EndPoint Addr 0x85, Alternate settings: 2 > [ 23.061187] cx231xx #0: Alternate setting 0, max size= 512 > [ 23.061218] cx231xx #0: Alternate setting 1, max size= 512 > [ 23.061218] cx231xx #0: EndPoint Addr 0x86, Alternate settings: 2 > [ 23.061248] cx231xx #0: Alternate setting 0, max size= 512 > [ 23.061248] cx231xx #0: Alternate setting 1, max size= 576 > [ 23.067108] usbcore: registered new interface driver cx231xx > [ 23.360412] cx231xx #0: setPowerMode::mode = 48, No Change req. > [ 23.365905] cx231xx #0: cx231xx_stop_stream():: ep_mask = 8 > [ 23.367156] cx231xx #0: cx231xx_stop_stream():: ep_mask = 8 > [ 23.872253] cx231xx #0: cx231xx-audio.c: probing for cx231xx non standard usbaudio > [ 23.875762] cx231xx #0: EndPoint Addr 0x83, Alternate settings: 3 > [ 23.875793] cx231xx #0: Alternate setting 0, max size= 512 > [ 23.875793] cx231xx #0: Alternate setting 1, max size= 28 > [ 23.875823] cx231xx #0: Alternate setting 2, max size= 52 > [ 23.875823] cx231xx: Cx231xx Audio Extension initialized > [ 24.794891] lp: driver loaded but no devices found > [ 24.880157] ppdev: user-space parallel port driver > [ 30.872589] eth0: no IPv6 routers present > [ 183.789154] omap_device: omap-mcbsp.2: new worst case activate latency 0: 30517 > [ 183.829803] omap_device: omap-mcbsp.2: new worst case deactivate latency 0: 30517 > [ 184.355712] omap_device: omap-mcbsp.2: new worst case deactivate latency 0: 61035 > [ 186.400878] cx231xx #0: cx231xx_start_stream():: ep_mask = 4 > [ 186.401855] cx231xx #0: cx231xx_stop_stream():: ep_mask = 4 > [ 186.404571] cx231xx #0: cx231xx_start_stream():: ep_mask = 4 > [ 186.405578] cx231xx #0: cx231xx_stop_stream():: ep_mask = 4 > [ 186.408050] cx231xx #0: cx231xx_start_stream():: ep_mask = 4 > [ 186.409332] cx231xx #0: cx231xx_stop_stream():: ep_mask = 4 > [ 186.412109] cx231xx #0: cx231xx_start_stream():: ep_mask = 4 > [ 186.414306] cx231xx #0: cx231xx_stop_stream():: ep_mask = 4 > [ 186.416961] cx231xx #0: cx231xx_start_stream():: ep_mask = 4 > [ 186.418060] cx231xx #0: cx231xx_stop_stream():: ep_mask = 4 > [ 186.427520] cx231xx #0: cx231xx_start_stream():: ep_mask = 4 > [ 186.498504] cx231xx #0: cx231xx_init_audio_isoc: Starting ISO AUDIO transfers > [ 194.358123] cx231xx #0: cx231xx_stop_stream():: ep_mask = 4 > [ 393.839813] cx231xx #0: setPowerMode::mode = 48, No Change req. > [ 393.842834] cx231xx #0: cx231xx_stop_stream():: ep_mask = 8 > [ 393.844024] cx231xx #0: setPowerMode::mode = 48, No Change req. > [ 394.126953] cx231xx #0: cx231xx_stop_stream():: ep_mask = 8 > [ 394.133605] cx231xx #0: cx231xx_initialize_stream_xfer: set video registers > [ 394.134094] cx231xx #0: cx231xx_start_stream():: ep_mask = 8 > [ 559.661468] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 559.665985] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 559.721374] cx231xx #0: cx231xx_stop_stream():: ep_mask = 8 > [ 559.731079] cx231xx #0: can't change interface 3 alt no. to 0 (err=-71) > [ 942.321258] cx231xx #0: setPowerMode::mode = 48, No Change req. > [ 942.325469] cx231xx #0: cannot change alt number to 3 (error=-71) > [ 942.414031] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 942.418243] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 942.426574] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 942.436218] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 942.440032] cx231xx #0: cx231xx_stop_stream():: ep_mask = 8 > [ 942.486846] cx231xx #0: can't change interface 3 alt no. to 0 (err=-71) > [ 954.314727] cx231xx #0: setPowerMode::mode = 48, No Change req. > [ 954.319030] cx231xx #0: cannot change alt number to 3 (error=-71) > [ 954.333618] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 954.337860] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 954.342315] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 954.348052] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 955.153045] cx231xx #0: cx231xx_stop_stream():: ep_mask = 8 > [ 955.162963] cx231xx #0: cx231xx_initialize_stream_xfer: set video registers > [ 955.172302] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 955.176788] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 977.247924] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 977.252502] cx231xx #0: UsbInterface::sendCommand, failed with status --71 > [ 977.329895] cx231xx #0: cx231xx_stop_stream():: ep_mask = 8 > [ 977.339508] cx231xx #0: can't change interface 3 alt no. to 0 (err=-71) > > We will try to increase PWR_SLEEP_INTERVAL even further (up to 50 > msec), but if you have other ideas to try, we would definitely be > interested. For the record, the same driver works just fine on x86, > those problems are seen on an OMAP3 based ARM platform. > > Thanks! > > Thomas -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
