Comment 9 for bug 206921

cat /var/log/acpid
(...)
[Fri Apr 4 08:28:08 2008] received event "video LCD 00000087 00000000"
[Fri Apr 4 08:28:08 2008] notifying client 5735[110:122]
[Fri Apr 4 08:28:08 2008] notifying client 5883[0:0]
[Fri Apr 4 08:28:08 2008] notifying client 5883[0:0]
[Fri Apr 4 08:28:08 2008] executing action "/etc/acpi/video_brightnessdown.sh"
[Fri Apr 4 08:28:08 2008] BEGIN HANDLER MESSAGES
[Fri Apr 4 08:28:08 2008] END HANDLER MESSAGES
[Fri Apr 4 08:28:08 2008] action exited with status 0
[Fri Apr 4 08:28:08 2008] completed event "video LCD 00000087 00000000"

/etc/acpi/video_brightnessdown.sh produces no output, same as "acpi_fakekey 224" (it's command..)..

root@sim:/# strace acpi_fakekey 224
execve("/usr/bin/acpi_fakekey", ["acpi_fakekey", "224"], [/* 23 vars */]) = 0
brk(0) = 0x804a000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7fa0000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=64080, ...}) = 0
mmap2(NULL, 64080, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f90000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/cmov/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\260e\1"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1364388, ...}) = 0
mmap2(NULL, 1369712, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7e41000
mmap2(0xb7f8a000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x149) = 0xb7f8a000
mmap2(0xb7f8d000, 9840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7f8d000
close(3) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7e40000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb7e406b0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
mprotect(0xb7f8a000, 4096, PROT_READ) = 0
munmap(0xb7f90000, 64080) = 0
open("/dev/input/event0", O_RDWR) = 3
ioctl(3, 0x80404521, 0xbffdff50) = 64
close(3) = 0
open("/dev/input/event1", O_RDWR) = 3
ioctl(3, 0x80404521, 0xbffdff50) = 64
write(3, "\240\203\4\10\364\277\370\267\1\0\340\0\1\0\0\0", 16) = 16
write(3, "\240\203\4\10\364\277\370\267\1\0\340\0\0\0\0\0", 16) = 16
exit_group(0) = ?
Process 12686 detached