Bug#736616: libecasoundc1: int-cmd-list command fails on mips

Damyan Ivanov dmn at debian.org
Sat Jan 25 17:00:26 UTC 2014


submitter 736616 !
thanks

Dear ecasound maintainers,

Sorry for the BTS ping-pong, please find below the rationale for 
cloning this bug to libecasoundc1.

Thanks!

> It appears there is a problem with ecasound/libecasoundc1 on mips, 
> which causes failures in the test suite of libaudio-ecasound-perl, 
> making it FTBFS.
> 
> I was able to isolate the problem using the following C program:
> 
> ----------------------------------------->8--
> #include <stdio.h>
> #include <stdlib.h>
> #include <libecasoundc/ecasoundc.h>
> 
> void main( int argc, char**argv) {
>     eci_init();
> 
>     if ( eci_error() ) {
>         fprintf( stderr, "init Error: %s\n", eci_last_error() );
>         exit(1);
>     }
> 
>     eci_command("int-cmd-list");
>     if ( eci_error() ) {
>         fprintf( stderr, "Error: %s\n", eci_last_error() );
>         exit(1);
>     }
> 
>     const char * t = eci_last_type();
>     fprintf( stdout, "T=%s\n", t);
>     if ( strcmp( t, "S" ) == 0 ) {
>         int cnt = eci_last_string_list_count();
>         int i;
>         for ( i = 0; i < cnt; i++ ) {
>             fprintf( stdout, "S[%d]=%s\n", i, eci_last_string_list_item(i) );
>         }
>     }
>     exit(0);
> }
> ----------------------------------------->8--
> 
> Compile: `gcc -o ecatest -lecasoundc ecatest.c'
> Run: `./ecatest'
> 
> Running it on amd64 gives 200 commands as a result, but fails on mips 
> (tried on gabrielli.debian.org):
> 
> dmn at gabrielli:~$ strace -f -o trace -s 1024 ./ecatest
> ***********************************************************************
> * Message from libecasoundc:
> * 
> * 'ECASOUND' environment variable not set. Using the default value 
> * value 'ECASOUND=ecasound'.
> ***********************************************************************
> 
> 
> (ecasoundc_sa) Error='read() error', cmd='' last_error='' cmd_cnt=1 last_cnt=0.
> 
> ***********************************************************************
> * Message from libecasoundc:
> * 
> * A null client handle detected. This is usually caused by a bug 
> * in the ECI application. Please report this bug to the author of
> * the program.
> ***********************************************************************
> 
> Warning: DBC_CHECK failed - "eci_rep != NULL", ecasoundc_sa.c, 876.
> $
> 
> The first thing that the test suite of libaudio-ecasound-perl does is 
> to retrieve the list of the commands, much like the above program, and 
> fails with exactly the same message.
> 
> The trace ends with:
> 
> ----------------------------------------->8--
> <...lots and lots of clock_gettime lines...>
> 9070  clock_gettime(CLOCK_MONOTONIC, {1721809, 505245051}) = 0
> 9070  clock_gettime(CLOCK_MONOTONIC, {1721809, 505448267}) = 0
> 9070  rt_sigaction(SIGILL, {SIG_DFL, [RT_69 RT_70 RT_71 RT_75 RT_76 RT_77 RT_82 RT_84 RT_87 RT_88 RT_89 
> RT_90 RT_91 RT_92 RT_93 RT_94], 0}, NULL, 16) = 0
> 9070  write(2, "(", 1)                  = 1
> 9070  write(2, "eca-chainsetup", 14)    = 14
> 9070  write(2, ") ", 2)                 = 2
> 9070  write(2, "Chainsetup \"untitled-chainsetup\"", 32) = 32
> 9070  write(2, "\n", 1)                 = 1
> 9070  write(2, "(", 1)                  = 1
> 9070  write(2, "eca-session", 11)       = 11
> 9070  write(2, ") ", 2)                 = 2
> 9070  write(2, "NOTE: Unable to create a valid chainsetup from the command-line arguments.", 74) = 74
> 9070  write(2, "\n", 1)                 = 1
> 9070  write(2, "ecasound ('h' for help)> ", 25) = 25
> 9070  fstat64(0, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
> 9070  old_mmap(NULL, 65536, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x75c7e000
> 9070  read(0, "debug 256\nint-set-float-to-string-precision 17\nint-output-mode-wellformed\n", 4096) = 74
> 9070  write(2, "Debug level set to 256.", 23) = 23
> 9070  write(2, "\n", 1)                 = 1
> 9070  write(2, "ecasound ('h' for help)> ", 25) = 25
> 9070  write(2, "ecasound ('h' for help)> ", 25) = 25
> 9070  fstat64(1, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
> 9070  old_mmap(NULL, 65536, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x75c6e000
> 9070  write(1, "256 0 -\r\n\r\n\r\n", 13) = -1 EPIPE (Broken pipe)
> 9070  write(2, "ecasound ('h' for help)> ", 25) = 25
> 9070  read(0, "", 4096)                 = 0
> 9070  write(2, "ecasound ('h' for help)> ", 25) = 25
> 9070  write(2, "---\necasound: Exiting...", 24) = 24
> 9070  write(2, "\n", 1)                 = 1
> 9070  tgkill(9070, 9071, SIGHUP)        = 0
> 9071  <... rt_sigtimedwait resumed> )   = 1
> 9071  rt_sigprocmask(SIG_UNBLOCK, [INT QUIT PIPE TERM],  <unfinished ...>
> 9070  rt_sigprocmask(SIG_UNBLOCK, [INT QUIT PIPE TERM],  <unfinished ...>
> 9071  <... rt_sigprocmask resumed> NULL, 16) = 0
> 9070  <... rt_sigprocmask resumed> NULL, 16) = 0
> 9070  --- SIGPIPE (Broken pipe) @ 0 (0) ---
> 9071  madvise(0x75c8e000, 8249344, MADV_DONTNEED <unfinished ...>
> 9070  rt_sigreturn(0xd <unfinished ...>
> 9071  <... madvise resumed> )           = 0
> 9071  exit(0)                           = ?
> 9070  <... rt_sigreturn resumed> )      = 0
> 9070  exit_group(0)                     = ?
> ----------------------------------------->8--
> 
> I hope this helps to pinpoint the problem.
> -- dam

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