GUIDINGLI edited a comment on pull request #2124: URL: https://github.com/apache/incubator-nuttx/pull/2124#issuecomment-721485562
> @masayuki2009
> I tried this PR with ubuntu18.04 x86_64, but nuttx crashed when playback
an WAV file via hostfs.
> Could you tell me what environment are you using?
>
> ```
> Thread 1 "nuttx" received signal SIGSEGV, Segmentation fault.
> 0x00005555555714a2 in file_vioctl (filep=0x10000000d8, req=4100,
ap=0x7ffff2c8b520) at vfs/fs_ioctl.c:87
> 87 inode = filep->f_inode;
> p filep
> $1 = (struct file *) 0x10000000d8
> (gdb) p *filep
> Cannot access memory at address 0x10000000d8
> (gdb) up
> #1 0x0000555555571682 in nx_vioctl (fd=4, req=4100, ap=0x7ffff2c8b520) at
vfs/fs_ioctl.c:173
> 173 ret = file_vioctl(filep, req, ap);
> (gdb) where
> #0 0x00005555555714a2 in file_vioctl (filep=0x10000000d8, req=4100,
ap=0x7ffff2c8b520) at vfs/fs_ioctl.c:87
> #1 0x0000555555571682 in nx_vioctl (fd=4, req=4100, ap=0x7ffff2c8b520) at
vfs/fs_ioctl.c:173
> #2 0x000055555557197a in ioctl (fd=4, req=4100) at vfs/fs_ioctl.c:259
> #3 0x000055555558f487 in nxplayer_setvolume (pplayer=0x7ffff2bfa0f0,
volume=400) at nxplayer.c:1226
> #4 0x000055555558f164 in nxplayer_playthread (pvarg=0x7ffff2bfa0f0) at
nxplayer.c:957
> #5 0x0000555555583970 in pthread_start () at pthread/pthread_create.c:192
> #6 0x0000000000000000 in ?? ()
> ```
Could you show me your nxplayer cmd line ?
mine :
nsh> mount -t hostfs -o fs=/home/ligd/platform/FFmpeg/st /data
nsh> nxplayer
nxplayer> device /dev/audio/pcm0p
nxplayer> playraw /data/test2.wav 1 16 48000
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