here's the relevant portion of the strace, it looks like it's trying
some ioctl on /dev/tty7 and failing even though it has perms :
[pid 16645] write(2, "(*) Direct/Memcpy: Using libc me"..., 39(*)
Direct/Memcpy: Using libc memcpy()
) = 39
[pid 16645] madvise(0x7f95d402a000, 892928, MADV_DONTNEED) = 0
[pid 16645] open("/dev/fb0", O_RDWR) = 4
[pid 16644] <... poll resumed> ) = 0 (Timeout)
[pid 16645] fcntl(4, F_SETFD, FD_CLOEXEC) = 0
[pid 16644] write(14, "W", 1 <unfinished ...>
[pid 16645] setsid( <unfinished ...>
[pid 16644] <... write resumed> ) = 1
[pid 16645] <... setsid resumed> ) = 16630
[pid 16644] write(14, "W", 1 <unfinished ...>
[pid 16645] open("/dev/tty0", O_RDONLY|O_NOCTTY <unfinished ...>
[pid 16644] <... write resumed> ) = 1
[pid 16645] <... open resumed> ) = 12
[pid 16644] write(14, "W", 1 <unfinished ...>
[pid 16645] ioctl(12, VT_GETSTATE <unfinished ...>
[pid 16644] <... write resumed> ) = 1
[pid 16645] <... ioctl resumed> , 0x7f95cdbd5690) = 0
[pid 16644] read(13, <unfinished ...>
[pid 16645] ioctl(4, FBIOGET_CON2FBMAP <unfinished ...>
[pid 16644] <... read resumed> "WWW", 10) = 3
[pid 16645] <... ioctl resumed> , 0x7f95cdbd5670) = 0
[pid 16644] sendto(17,
"\0\0\0\30\377\377\377\377\0\0\0\0\0\0\0\0\0\0\0\0L\0\0\0\16L\0\0\0\22L\0"...,
44, MSG_NOSIGNAL, NULL, 0 <unfinished ...>
[pid 16645] fstat(4, <unfinished ...>
[pid 16644] <... sendto resumed> ) = 44
[pid 16645] <... fstat resumed> {st_mode=S_IFCHR|0660, st_rdev=makedev(29, 0),
...}) = 0
[pid 16644] read(13, <unfinished ...>
[pid 16645] ioctl(4, FBIOPUT_CON2FBMAP <unfinished ...>
[pid 16644] <... read resumed> 0x7f95cd6bce00, 10) = -1 EAGAIN (Resource
temporarily unavailable)
[pid 16645] <... ioctl resumed> , 0x7f95cdbd55c0) = 0
[pid 16645] open("/dev/tty7", O_RDWR|O_NOCTTY) = 15
[pid 16644] poll([{fd=13, events=POLLIN}, {fd=17, events=POLLIN}], 2, 80
<unfinished ...>
[pid 16645] ioctl(15, TIOCSCTTY <unfinished ...>
[pid 16644] <... poll resumed> ) = 1 ([{fd=17, revents=POLLIN}])
[pid 16645] <... ioctl resumed> , 0) = -1 EPERM (Operation not permitted)
[pid 16644] write(14, "W", 1 <unfinished ...>
[pid 16645] write(15, "\33[?1;0;0c\0", 10 <unfinished ...>
[pid 16644] <... write resumed> ) = 1
[pid 16645] <... write resumed> ) = 10
[pid 16644] recvmsg(17, <unfinished ...>
[pid 16645] ioctl(15, KDSETMODE <unfinished ...>
[pid 16644] <... recvmsg resumed> {msg_name(0)=NULL,
msg_iov(1)=[{"\0\0\0S\377\377\377\377\0\0\0\0\0\0\0\0\0\0\0\0", 20}],
msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET,
cmsg_type=SCM_CREDENTIALS{pid=3495, uid=58512, gid=1000}}, msg_flags=0}, 0) = 20
[pid 16645] <... ioctl resumed> , 0x1) = -1 EPERM (Operation not permitted)
[pid 16644] write(14, "W", 1 <unfinished ...>
[pid 16645] write(2, "(!) DirectFB/fbdev/vt: KD_GRAPHI"..., 75 <unfinished ...>
(!) DirectFB/fbdev/vt: KD_GRAPHICS failed!
--> Operation not permitted
[pid 16644] <... write resumed> ) = 1
[pid 16645] <... write resumed> ) = 75
[pid 16644] read(13, <unfinished ...>
[pid 16645] close(15 <unfinished ...>
[pid 16644] <... read resumed> "WW", 10) = 2
[pid 16645] <... close resumed> ) = 0
[pid 16644] poll([{fd=13, events=POLLIN}, {fd=17, events=POLLIN}], 2, 80
<unfinished ...>
[pid 16645] close(12 <unfinished ...>
[pid 16644] <... poll resumed> ) = 1 ([{fd=17, revents=POLLIN}])
[pid 16645] <... close resumed> ) = 0
[pid 16644] write(14, "W", 1 <unfinished ...>
[pid 16645] close(4 <unfinished ...>
[pid 16644] <... write resumed> ) = 1
[pid 16645] <... close resumed> ) = 0
[pid 16644] recvmsg(17, <unfinished ...>
[pid 16645] write(2, "(!) DirectFB/Core: Could not ini"..., 90 <unfinished ...>
(!) DirectFB/Core: Could not initialize 'system_core' core!
--> Initialization error!
[pid 16644] <... recvmsg resumed> {msg_name(0)=NULL,
msg_iov(1)=[{"L\0\0\0\2L\0\0\0\22U\0\0\0\0\0\4\203SU\0\0\0\0\0\0\0\0000TVu"...,
83}], msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET,
cmsg_type=SCM_CREDENTIALS{pid=3495, uid=58512, gid=1000}}, msg_flags=0}, 0) = 83
[pid 16645] <... write resumed> ) = 90
[pid 16644] write(14, "W", 1) = 1
[pid 16645] write(2, "[00007f95d4002d08] ", 19[00007f95d4002d08] ) = 19
[pid 16644] read(13, <unfinished ...>
[pid 16645] write(2, "directfb vout display error: ", 29 <unfinished ...>
directfb vout display error: [pid 16644] <... read resumed> "WW", 10) = 2
[pid 16645] <... write resumed> ) = 29
[pid 16644] poll([{fd=13, events=POLLIN}, {fd=17, events=POLLIN}], 2, 80
<unfinished ...>
[pid 16645] write(2, "Cannot create primary surface", 29Cannot create primary
surface) = 29
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https://bugs.launchpad.net/bugs/1527908
Title:
vlc directfb doesn't work
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