A NOTE has been added to this issue. ====================================================================== <https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2228> ====================================================================== Reported By: Raymond Assigned To: mjander ====================================================================== Project: ALSA - driver Issue ID: 2228 Category: PCI - au88x0 Reproducibility: always Severity: minor Priority: normal Status: assigned Distribution: Kernel Version: ====================================================================== Date Submitted: 06-24-2006 05:37 CEST Last Modified: 07-01-2006 03:22 CEST ====================================================================== Summary: error recovery when the no of available src is not enough (FATAL: ResManager: resource type 1 exhaust) Description: This is simulated by reducing the no of available SRC to 3. static int __devinit vortex_core_init(vortex_t * vortex) { + vortex->fixed_res[VORTEX_RESOURCE_SRC] = 0x0000fff8; aplay out1lq.wav Playing WAVE 'out1lq.wav' : Signed 16 bit Little Endian, Rate 22050 Hz, Channels 4 aplay: set_params:962: Unable to install hw params: ACCESS: RW_INTERLEAVED FORMAT: S16_LE SUBFORMAT: STD SAMPLE_BITS: 16 FRAME_BITS: 64 CHANNELS: 4 RATE: 22050 PERIOD_TIME: (23219 23220) PERIOD_SIZE: 512 PERIOD_BYTES: 4096 PERIODS: 16 BUFFER_TIME: (371519 371520) BUFFER_SIZE: 8192 BUFFER_BYTES: 65536 TICK_TIME: 10000 dmesg vortex: FATAL: ResManager: resource type 1 exhausted. aplay outls.wav Playing WAVE 'outls.wav' : Signed 16 bit Little Endian, Rate 22050 Hz, Stereo dmesg vortex_adb_delroutes: route not found! 0x2060 vortex_adb_delroutes: route not found! 0x2161 It seem that the driver need to check the no of available SRC is enough before the SRC are checked out one by one from ResManager, the driver seem unable to perform error recovery ====================================================================== ---------------------------------------------------------------------- Raymond - 06-30-06 03:14 ---------------------------------------------------------------------- We still need to reject OSS application (e.g. flash plugin of web browser) at snd_vortex_pcm_open() to prevent fatal condition (e.g. https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1047 and https://bugtrack.alsa-project.org/alsa-bug/view.php?id=343 ) when resources is not enough static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch, int dir, int type) { ... /* PLAYBACK ROUTES. */ if (dir == SNDRV_PCM_STREAM_PLAYBACK) { ... /* Get SRC and MIXER hardware resources. */ if (stream->type != VORTEX_PCM_SPDIF) { if ( en ) { if (( vortex->avail_res[VORTEX_RESOURCE_SRC] < nr_ch ) || ( vortex->avail_res[VORTEX_RESOURCE_MIXIN] < nr_ch )) { printk(KERN_INFO "vortex : not enough resources\n"); return -EBUSY; } } ... /* CAPTURE ROUTES. */ } else { int src[2], mix[2]; if ( en ) { if (( vortex->avail_res[VORTEX_RESOURCE_SRC] < nr_ch ) || ( vortex->avail_res[VORTEX_RESOURCE_MIXOUT] < nr_ch )) { printk(KERN_INFO "vortex : not enough resources\n"); return -EBUSY; } } ---------------------------------------------------------------------- Raymond - 07-01-06 03:22 ---------------------------------------------------------------------- Since resource DMA is still leaked, this seem better but need to perform stress test to see if there is any side efffect on snd_pcm_vortex_hw_free() static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch, int dir, int type) { stream_t *stream; int i, en; if ((nr_ch == 3) || ((dir == SNDRV_PCM_STREAM_CAPTURE) && (nr_ch > 2))) return -EBUSY; if (dma >= 0) { en = 0; vortex_adb_checkinout(vortex, vortex->dma_adb[dma].resources, en, VORTEX_RESOURCE_DMA); } else { en = 1; if (dir == SNDRV_PCM_STREAM_PLAYBACK) { if (type != VORTEX_PCM_SPDIF) { if (( vortex->avail_res[VORTEX_RESOURCE_SRC] < nr_ch ) || ( vortex->avail_res[VORTEX_RESOURCE_MIXIN] < nr_ch )) { printk(KERN_INFO "vortex : not enough resources\n"); return -EBUSY; } } } else { if (( vortex->avail_res[VORTEX_RESOURCE_SRC] < nr_ch ) || ( vortex->avail_res[VORTEX_RESOURCE_MIXOUT] < nr_ch )) { printk(KERN_INFO "vortex : not enough resources\n"); return -EBUSY; } } if ((dma = vortex_adb_checkinout(vortex, NULL, en, VORTEX_RESOURCE_DMA)) < 0) return -EBUSY; } Issue History Date Modified Username Field Change ====================================================================== 06-24-06 05:37 Raymond New Issue 06-26-06 14:20 Raymond Note Added: 0010534 06-30-06 02:32 Raymond Note Added: 0010712 06-30-06 02:51 Raymond Note Added: 0010713 06-30-06 03:14 Raymond Note Added: 0010714 07-01-06 03:22 Raymond Note Added: 0010754 ====================================================================== Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
