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Old 02-21-2012, 02:27 PM   #1
mathwzrd01
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Registered: Feb 2012
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Intermittent and poor audio quality w Asus Sabertooth 990 FX MB


I recently put together a new Asus MB system, using an AMD FX8150 microprocessor. After solving numerous other problems and successfully installing fedora 16 64 bit, I am down to one last puzzler. I have intermittent static and noise on my audio output. It seems like I am getting either an echo on the signal or two different devices are running the same feed, out of synch by maybe 1/2 sec. Any ideas woul dbe appreciated. Here is the current driver setup:

00:00.0 Host bridge: ATI Technologies Inc RD890 PCI to PCI bridge (external gfx0 port B) (rev 02)
00:02.0 PCI bridge: ATI Technologies Inc RD890 PCI to PCI bridge (PCI express gpp port B)
00:04.0 PCI bridge: ATI Technologies Inc RD890 PCI to PCI bridge (PCI express gpp port D)
00:05.0 PCI bridge: ATI Technologies Inc RD890 PCI to PCI bridge (PCI express gpp port E)
00:06.0 PCI bridge: ATI Technologies Inc RD890 PCI to PCI bridge (PCI express gpp port F)
00:09.0 PCI bridge: ATI Technologies Inc RD890 PCI to PCI bridge (PCI express gpp port H)
00:11.0 SATA controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] (rev 40)
00:12.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:12.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:13.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:13.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 42)
00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) (rev 40)
00:14.3 ISA bridge: ATI Technologies Inc SB7x0/SB8x0/SB9x0 LPC host controller (rev 40)
00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge (rev 40)
00:14.5 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI2 Controller
00:15.0 PCI bridge: ATI Technologies Inc SB700/SB800 PCI to PCI bridge (PCIE port 0)
00:15.1 PCI bridge: ATI Technologies Inc SB700/SB800 PCI to PCI bridge (PCIE port 1)
00:16.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:16.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 15h Processor Function 0
00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 15h Processor Function 1
00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 15h Processor Function 2
00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 15h Processor Function 3
00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 15h Processor Function 4
00:18.5 Host bridge: Advanced Micro Devices [AMD] Family 15h Processor Function 5
01:00.0 VGA compatible controller: ATI Technologies Inc Barts PRO [ATI Radeon HD 6800 Series]
01:00.1 Audio device: ATI Technologies Inc Barts HDMI Audio [Radeon HD 6800 Series]
02:00.0 SATA controller: JMicron Technology Corp. JMB362 AHCI Controller (rev 10)
03:00.0 SATA controller: JMicron Technology Corp. JMB362 AHCI Controller (rev 10)
04:00.0 USB Controller: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller
05:00.0 USB Controller: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller
06:07.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6306/7/8 [Fire II(M)] IEEE 1394 OHCI Controller (rev c0)
08:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06)


Any thoughts would be greatly appreciated. I note that I am getting two devices in my sound setup (as colored). However when I turn off the BArt HDMI or the Azalia, I lose all sound. Help. TIA
 
Old 03-04-2012, 11:17 AM   #2
j_v
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I am working on the same or very similar problem on debian unstable. I have Sabertooth 990fx w/ fx-6100 and have worked out several kinks, the worst being my own fault when I enabled IOMMU in bios in first power up and couldn't get X to start up. I will repost here when I have a solution.

Regards,
John
 
Old 03-04-2012, 11:44 AM   #3
j_v
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Ok. I have progress. I removed all debian alsa base packages and installed 1.0.25 alsa driver, lib, and utils packages straight from www.alsa-project.org. Sound finally works. I just have to work out mixer issues.
 
Old 03-04-2012, 04:00 PM   #4
GlennsPref
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Registered: Apr 2004
Location: Brisbane, Australia
Distribution: Mageia Studio-13.37 Kubuntu.
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Hi, I have a similar system, onboard sound and snd-hdmi from my nVidia graphics card.

I don't use hdmi for sound, so, I blacklisted the hdmi module, and reset the phonon (kde4) mixer.

to do this, I edited the /etc/modprobe.d/blacklist-mga
Code:
blacklist snd_hda_codec_hdmi  #hda-nvidia-digital-stereo
reboot....
use lsmod to see what modules are loaded...

Hope this helps.

Regards Glenn
 
Old 03-05-2012, 02:03 PM   #5
mathwzrd01
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Registered: Feb 2012
Posts: 2

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Thanks for the input

Yes, thank you for the response. It has been annoying to have this problem since I posted the query. Sometimes the conflicting signals merge, sometimes they don't. I'll try this and hopefully it will solve my problem, although it does kind of jibe with my own thoughts on what the solution would need to be. I just am not as well versed in Linux operation as most of you guys in these forums. I am more of an idiot savant, stumbling across the solution like a blind squirrel. But thanks again.
 
Old 03-06-2012, 05:25 PM   #6
GlennsPref
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Quote:
I am more of an idiot savant, stumbling across the solution like a blind squirrel. But thanks again.
I'm still learning...

There's more details, please ask if you have any queries.

Regards Glenn
 
Old 03-07-2012, 01:25 AM   #7
j_v
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Posts: 194

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GlennsPref's solution is the right one. Works well here.
 
  


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