I'm new user on Scientific Linux 6.0(RHEL based) and CentOS Forum. I installed system on the machine a few weeks ago. However, I applied results of most of discussions on forums but these didn't solve my problem.
How can I solve this problem?
I am putting about output of commands here.
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[hasan@localhost ~]$ aplay -L
hdmi:CARD=Generic
HD-Audio Generic, ATI HDMI
HDMI Audio Output
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
default
Default
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[hasan@localhost ~]$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Generic [HD-Audio Generic], device 3: ATI HDMI [ATI HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0
[hasan@localhost ~]$ lspci | grep -i audio
00:1b.0 Audio device: Intel Corporation Device 1e20 (rev 04)
01:00.1 Audio device: ATI Technologies Inc Device aa90
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[hasan@localhost ~]$ rpm -qa | grep alsa
alsa-plugins-pulseaudio-1.0.21-3.el6.x86_64
alsa-utils-1.0.21-3.el6.x86_64
alsamixergui-0.9.0-0.9.rc2.el6.x86_64
alsa-lib-1.0.21-3.el6.x86_64
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[root@localhost hasan]# alsactl restore 0
alsactl: load_state:1569: Cannot open /etc/asound.state for reading: No such file or directory
Unknown hardware: "HDA-Intel" "ATI R6xx HDMI" "HDA:1002aa01,00aa0100,00100200" "0x1179" "0xfb31"
Hardware is initialized using a guess method
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[hasan@localhost ~]$ lsmod
Module Size Used by
fuse 66138 0
rfcomm 74229 4
sco 18099 2
bridge 74113 0
bnep 16528 2
l2cap 56128 16 rfcomm,bnep
autofs4 27683 3
sunrpc 241630 1
8021q 24221 0
garp 7310 1 8021q
stp 2107 2 bridge,garp
llc 5608 3 bridge,garp,stp
fcoe 21673 0
libfcoe 16181 1 fcoe
libfc 94245 2 fcoe,libfcoe
scsi_transport_fc 50893 2 fcoe,libfc
scsi_tgt 12107 1 scsi_transport_fc
cpufreq_ondemand 10382 4
acpi_cpufreq 8625 1
freq_table 4847 2 cpufreq_ondemand,acpi_cpufreq
ipt_REJECT 2349 2
nf_conntrack_ipv4 9440 2
nf_defrag_ipv4 1449 1 nf_conntrack_ipv4
iptable_filter 2759 1
ip_tables 17733 1 iptable_filter
ip6t_REJECT 4562 2
nf_conntrack_ipv6 19655 2
xt_state 1458 4
nf_conntrack 79643 3 nf_conntrack_ipv4,nf_conntrack_ipv6,xt_state
ip6table_filter 2855 1
ip6_tables 19392 1 ip6table_filter
ipv6 321509 42 ip6t_REJECT,nf_conntrack_ipv6
vfat 10646 1
fat 55086 1 vfat
dm_mirror 14003 0
dm_region_hash 12200 1 dm_mirror
dm_log 10088 2 dm_mirror,dm_region_hash
uinput 8182 0
wmi 6221 0
btusb 17047 2
bluetooth 99514 9 rfcomm,sco,bnep,l2cap,btusb
rfkill 19617 3 bluetooth
uvcvideo 61644 0
videodev 38980 1 uvcvideo
v4l2_compat_ioctl32 7113 1 videodev
i2c_core 31274 1 videodev
sg 30186 0
serio_raw 4816 0
r8169 39870 0
mii 5205 1 r8169
snd_hda_codec_atihdmi 3023 1
snd_hda_intel 25194 0
snd_hda_codec 82097 2 snd_hda_codec_atihdmi,snd_hda_intel
snd_hwdep 6714 1 snd_hda_codec
snd_seq 56557 0
snd_seq_device 6626 1 snd_seq
snd_pcm 84700 2 snd_hda_intel,snd_hda_codec
snd_timer 23087 2 snd_seq,snd_pcm
snd 70053 7 snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer
soundcore 8052 1 snd
snd_page_alloc 8628 2 snd_hda_intel,snd_pcm
ext4 353851 2
mbcache 7918 1 ext4
jbd2 89033 1 ext4
sr_mod 16162 0
cdrom 39769 1 sr_mod
sd_mod 37221 4
crc_t10dif 1507 1 sd_mod
usb_storage 49386 0
ahci 39105 3
video 20966 0
output 2471 1 video
dm_mod 76824 8 dm_mirror,dm_log
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[hasan@localhost ~]$ lspci
00:00.0 Host bridge: Intel Corporation Device 0154 (rev 09)
00:01.0 PCI bridge: Intel Corporation Device 0151 (rev 09)
00:14.0 USB Controller: Intel Corporation Device 1e31 (rev 04)
00:16.0 Communication controller: Intel Corporation Device 1e3a (rev 04)
00:1a.0 USB Controller: Intel Corporation Device 1e2d (rev 04)
00:1b.0 Audio device: Intel Corporation Device 1e20 (rev 04)
00:1c.0 PCI bridge: Intel Corporation Device 1e10 (rev c4)
00:1c.1 PCI bridge: Intel Corporation Device 1e12 (rev c4)
00:1c.2 PCI bridge: Intel Corporation Device 1e14 (rev c4)
00:1d.0 USB Controller: Intel Corporation Device 1e26 (rev 04)
00:1f.0 ISA bridge: Intel Corporation Device 1e59 (rev 04)
00:1f.2 SATA controller: Intel Corporation Device 1e03 (rev 04)
00:1f.3 SMBus: Intel Corporation Device 1e22 (rev 04)
01:00.0 VGA compatible controller: ATI Technologies Inc Device 6742
01:00.1 Audio device: ATI Technologies Inc Device aa90
08:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8723
09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05)
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[hasan@localhost ~]$ lsmod | grep snd
snd_hda_codec_atihdmi 3023 1
snd_hda_intel 25194 0
snd_hda_codec 82097 2 snd_hda_codec_atihdmi,snd_hda_intel
snd_hwdep 6714 1 snd_hda_codec
snd_seq 56557 0
snd_seq_device 6626 1 snd_seq
snd_pcm 84700 2 snd_hda_intel,snd_hda_codec
snd_timer 23087 2 snd_seq,snd_pcm
snd 70053 7 snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer
soundcore 8052 1 snd
snd_page_alloc 8628 2 snd_hda_intel,snd_pcm
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[hasan@localhost ~]$ cat /proc/asound/card0/codec* |grep Codec
Codec: ATI R6xx HDMI