From: bugtrack@alsa-project.org
To: alsa-devel@alsa-project.org
Subject: [ALSA - lib 0002287]: Segfaults all functions after snd_pcm_hw_params_get_buffer_size (params,(snd_pcm_uframes_t *) & val);
Date: Sat, 5 Aug 2006 02:50:17 +0200 [thread overview]
Message-ID: <212dcb36a4abb158e70ac63560b8f710@bugtrack.alsa-project.org> (raw)
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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2006-08-06 3:26 [ALSA - lib 0002287]: Segfaults all functions after snd_pcm_hw_params_get_buffer_size (params,(snd_pcm_uframes_t *) & val); bugtrack
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