A NOTE has been added to this issue. ====================================================================== <https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2287> ====================================================================== Reported By: cruiseoveride Assigned To: ====================================================================== Project: ALSA - lib Issue ID: 2287 Category: 0_general Reproducibility: always Severity: crash Priority: normal Status: new ====================================================================== Date Submitted: 07-16-2006 18:03 CEST Last Modified: 08-05-2006 02:50 CEST ====================================================================== Summary: Segfaults all functions after snd_pcm_hw_params_get_buffer_size (params,(snd_pcm_uframes_t *) & val); Description: I am new to Alsa and am not happy at all at the state of documentation available. You guys seriously need to do something about this. I have an M-Audio Audiophile Delta 192 (ICE1724) and I want to port envy24control for this chip, However I first need to familiar myself with the ALSA API. So I began by looking for simple examples on how to use ALSA API and came accross the followinf prog (Attached file test.c). The program compiles cleanly with gcc-4.1 and runs, however after it prints out the ..."buffer size = 8192 frames" It segfaults. If you slash out line 104, it resolves the issue. My question is, Is there a bug in this function? Code was obtained from http://www.linuxjournal.com/article/6735 ====================================================================== ---------------------------------------------------------------------- Raymond - 08-05-06 02:38 ---------------------------------------------------------------------- >> Ok, i got the wiring between between the vt1724 and the 3 dacs (AKMs) how do i >> code this into the driver, >> is there any example, i looked at juli.c and i couldnt understand the /* GPIO Pins */ Those define GPIO_XXXXX were not used in juli.c , it seem to be just a description of those GPIOs connected to XXXXX (function or name of the pin of the target) since juli does not get the dir,mask from EEPROM data. In you case, AP192 has EEPROM and the gpio are initialised by the values from EEPROM. Do your AP192 GPIO wiring different from juli ? ---------------------------------------------------------------------- cruiseoveride - 08-05-06 02:50 ---------------------------------------------------------------------- I will post the complete wiring info from the 3 AKMs to the envy24ht soon Issue History Date Modified Username Field Change ====================================================================== 07-16-06 18:03 cruiseoveride New Issue 07-16-06 18:03 cruiseoveride File Added: test.c 07-16-06 20:38 cruiseoveride Issue Monitored: cruiseoveride 07-17-06 02:44 Raymond Note Added: 0011032 07-17-06 02:47 Raymond Note Edited: 0011032 07-17-06 03:18 Raymond Note Edited: 0011032 07-17-06 05:45 cruiseoveride Note Added: 0011033 07-17-06 05:46 cruiseoveride Note Edited: 0011033 07-17-06 07:31 Raymond Note Added: 0011035 07-17-06 08:23 Raymond Note Added: 0011036 07-17-06 08:26 Raymond Note Edited: 0011036 07-17-06 14:48 cruiseoveride Note Added: 0011039 07-17-06 14:59 cruiseoveride Note Added: 0011040 07-17-06 16:07 Raymond Note Added: 0011042 07-17-06 16:31 Raymond Note Edited: 0011042 07-17-06 16:40 cruiseoveride Note Added: 0011044 07-17-06 17:13 cruiseoveride Note Added: 0011045 07-17-06 17:34 Raymond Note Added: 0011046 07-17-06 17:56 cruiseoveride Note Added: 0011047 07-18-06 07:44 Raymond Note Added: 0011053 07-18-06 14:21 cruiseoveride Note Added: 0011057 07-18-06 14:35 Raymond Note Added: 0011060 07-19-06 02:52 cruiseoveride Note Added: 0011075 07-19-06 03:27 Raymond Note Added: 0011076 07-19-06 06:21 Raymond Note Added: 0011080 07-19-06 17:43 cruiseoveride Note Added: 0011090 07-19-06 17:50 cruiseoveride File Added: chip.jpg 07-20-06 04:22 Raymond Note Added: 0011107 07-20-06 05:01 Raymond Note Edited: 0011107 07-20-06 08:05 cruiseoveride Note Added: 0011112 07-20-06 08:19 Raymond Note Added: 0011114 07-20-06 08:22 Raymond Note Edited: 0011114 07-20-06 10:49 Raymond Note Added: 0011116 07-20-06 15:52 cruiseoveride Note Added: 0011127 07-20-06 16:09 Raymond Note Added: 0011130 07-20-06 16:12 Raymond Note Added: 0011131 07-20-06 16:35 cruiseoveride Note Added: 0011132 07-20-06 16:39 cruiseoveride Note Edited: 0011132 07-20-06 17:42 cruiseoveride Note Added: 0011134 07-20-06 17:49 Raymond Note Added: 0011135 07-20-06 17:55 Raymond Note Edited: 0011135 07-20-06 19:30 Raymond Note Added: 0011136 07-20-06 19:31 Raymond Note Edited: 0011136 07-21-06 01:16 cruiseoveride Note Added: 0011138 07-21-06 01:28 cruiseoveride Note Added: 0011139 07-21-06 01:45 cruiseoveride Note Added: 0011140 07-21-06 03:28 Raymond Note Added: 0011141 07-21-06 20:23 cruiseoveride Note Added: 0011155 07-22-06 02:13 Raymond Note Added: 0011157 07-22-06 02:42 Raymond Note Edited: 0011157 07-22-06 02:53 Raymond Note Edited: 0011157 07-22-06 03:00 cruiseoveride Note Added: 0011161 07-22-06 03:01 cruiseoveride Note Edited: 0011161 07-22-06 04:12 Raymond Note Added: 0011164 07-22-06 04:15 Raymond Note Edited: 0011164 07-23-06 04:05 Raymond Note Added: 0011179 07-23-06 06:26 cruiseoveride Note Added: 0011181 07-23-06 06:41 Raymond Note Added: 0011182 07-23-06 06:46 Raymond Note Edited: 0011182 07-23-06 06:47 Raymond Note Edited: 0011182 07-23-06 06:52 Raymond Note Edited: 0011182 07-23-06 06:55 Raymond Note Edited: 0011182 07-23-06 13:05 Raymond Note Edited: 0011182 07-23-06 13:11 Raymond Note Edited: 0011182 07-23-06 13:17 Raymond Note Edited: 0011182 07-23-06 13:23 Raymond Note Edited: 0011182 07-23-06 14:16 Raymond Note Added: 0011187 07-23-06 14:20 Raymond Note Edited: 0011187 07-23-06 15:24 Raymond Note Edited: 0011187 07-23-06 17:23 rlrevell Note Added: 0011190 07-23-06 17:39 Raymond Note Added: 0011191 07-23-06 17:42 Raymond Note Edited: 0011191 07-23-06 17:49 cruiseoveride Note Added: 0011192 07-23-06 17:57 cruiseoveride Note Added: 0011193 07-23-06 18:03 rlrevell Note Added: 0011194 07-23-06 18:27 cruiseoveride Note Added: 0011195 07-23-06 18:30 cruiseoveride Note Edited: 0011195 07-23-06 18:33 cruiseoveride Note Edited: 0011195 07-24-06 02:15 Raymond Note Added: 0011206 07-24-06 02:27 Raymond Note Edited: 0011206 07-24-06 02:28 Raymond Note Edited: 0011206 07-24-06 07:12 Raymond Note Edited: 0011206 07-24-06 07:48 Raymond Note Edited: 0011206 07-25-06 18:02 Raymond Note Added: 0011230 07-26-06 00:19 cruiseoveride Note Added: 0011233 07-26-06 01:20 Raymond Note Added: 0011234 07-26-06 01:27 Raymond Note Edited: 0011234 07-26-06 01:31 Raymond Note Edited: 0011234 07-26-06 01:33 Raymond Note Edited: 0011234 07-26-06 04:30 cruiseoveride Note Added: 0011237 07-26-06 04:39 cruiseoveride File Added: 1724-envy24ht_nov2001.pdf 07-26-06 04:41 cruiseoveride Note Added: 0011238 07-26-06 04:47 Raymond Note Added: 0011239 07-26-06 04:53 Raymond Note Added: 0011240 07-26-06 05:17 Raymond Note Edited: 0011240 07-26-06 06:22 Raymond Note Added: 0011242 07-26-06 07:46 Raymond Note Added: 0011243 07-26-06 07:55 Raymond Note Edited: 0011243 07-26-06 15:42 cruiseoveride Note Added: 0011248 07-26-06 23:59 cruiseoveride Note Added: 0011251 07-27-06 00:15 cruiseoveride Note Added: 0011252 07-27-06 00:50 cruiseoveride Note Edited: 0011252 07-27-06 00:54 cruiseoveride Note Added: 0011253 07-27-06 00:54 cruiseoveride Note Edited: 0011253 07-27-06 00:57 rlrevell Note Added: 0011254 07-27-06 01:00 cruiseoveride Note Added: 0011255 07-27-06 01:03 rlrevell Note Added: 0011256 07-27-06 04:43 Raymond Note Added: 0011257 07-27-06 04:51 Raymond Note Edited: 0011257 07-27-06 06:25 Raymond Note Added: 0011258 07-27-06 06:28 Raymond Note Edited: 0011258 07-27-06 06:29 Raymond Note Edited: 0011258 07-27-06 06:36 Raymond Note Edited: 0011258 07-27-06 06:38 cruiseoveride Note Added: 0011259 07-27-06 06:44 Raymond Note Edited: 0011258 07-27-06 07:15 rlrevell Note Added: 0011260 07-27-06 10:24 Raymond Note Added: 0011264 07-27-06 10:33 Raymond Note Edited: 0011264 07-27-06 10:43 Raymond Note Edited: 0011264 07-27-06 10:48 Raymond Note Edited: 0011264 07-27-06 11:45 Raymond Note Edited: 0011264 07-30-06 05:59 Raymond Note Added: 0011315 07-30-06 06:26 cruiseoveride Note Added: 0011316 08-01-06 01:26 rlrevell Note Added: 0011356 08-01-06 01:42 cruiseoveride Note Added: 0011360 08-01-06 01:49 rlrevell Note Added: 0011361 08-01-06 03:22 Raymond Note Added: 0011365 08-01-06 03:23 Raymond Note Edited: 0011365 08-01-06 03:36 Raymond Note Edited: 0011365 08-01-06 03:38 Raymond Note Edited: 0011365 08-01-06 04:00 cruiseoveride Note Added: 0011367 08-01-06 04:56 Raymond Note Added: 0011369 08-01-06 05:04 Raymond Note Edited: 0011369 08-01-06 05:11 Raymond Note Edited: 0011369 08-01-06 05:52 Raymond Note Edited: 0011369 08-01-06 06:51 Raymond Note Edited: 0011369 08-01-06 07:08 Raymond Note Edited: 0011369 08-01-06 07:17 Raymond Note Edited: 0011369 08-01-06 07:21 Raymond Note Edited: 0011369 08-01-06 07:33 Raymond Note Edited: 0011369 08-01-06 09:07 Raymond Note Edited: 0011369 08-05-06 02:10 Raymond Note Added: 0011421 08-05-06 02:38 Raymond Note Edited: 0011421 08-05-06 02:50 cruiseoveride Note Added: 0011422 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