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Old 05-27-2021, 01:26 PM   #1
babaliaris
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Exclamation Sound distortion when memory is almost full.


I've noticed that when the memory usage is at 95-99% the sound (if I'm watching YouTube or listening to something) is being distorted and it fixes itself after 10-15 seconds. Every new video, or sound that I'm opening does this.

I'm 90% sure that it's the high memory usage that causes this because I haven't noticed this phenomenon in other circumstances.

I'm running Debian 10.9 (buster) with Xfce alsa audio.

Computer Specs:
Code:
$sudo lshw -short
H/W path                  Device           Class          Description
=====================================================================
                                           system         To be filled by O.E.M.
/0                                         bus            M5A97 R2.0
/0/0                                       memory         64KiB BIOS
/0/4                                       processor      AMD FX(tm)-6350 Six-Co
/0/4/5                                     memory         288KiB L1 cache
/0/4/6                                     memory         6MiB L2 cache
/0/4/7                                     memory         8MiB L3 cache
/0/2c                                      memory         8GiB System Memory
/0/2c/0                                    memory         4GiB DIMM DDR3 Synchro
/0/2c/1                                    memory         DIMM Synchronous [empt
/0/2c/2                                    memory         4GiB DIMM DDR3 Synchro
/0/2c/3                                    memory         DIMM Synchronous [empt
/0/100                                     bridge         RD9x0/RX980 Host Bridg
/0/100/2                                   bridge         RD890/RD9x0/RX980 PCI 
/0/100/2/0                                 display        Tahiti PRO [Radeon HD 
/0/100/2/0.1                               multimedia     Tahiti HDMI Audio [Rad
/0/100/4                                   bridge         RD890/RD9x0/RX980 PCI 
/0/100/4/0                enp2s0           network        RTL8111/8168/8411 PCI 
/0/100/5                                   bridge         RD890/RD9x0/RX980 PCI 
/0/100/5/0                                 bus            ASM1042A USB 3.0 Host 
/0/100/5/0/0              usb1             bus            xHCI Host Controller
/0/100/5/0/1              usb2             bus            xHCI Host Controller
/0/100/5/0/1/2            scsi4            storage        DataTraveler 3.0
/0/100/5/0/1/2/0.0.0      /dev/sdd         disk           30GB DataTraveler 3.0
/0/100/5/0/1/2/0.0.0/0    /dev/sdd         disk           30GB 
/0/100/5/0/1/2/0.0.0/0/1  /dev/sdd1        volume         28GiB Windows FAT volu
/0/100/7                                   bridge         RD890/RD9x0/RX980 PCI 
/0/100/7/0                                 bus            ASM1042A USB 3.0 Host 
/0/100/7/0/0              usb4             bus            xHCI Host Controller
/0/100/7/0/0/2                             generic        802.11n WLAN Adapter
/0/100/7/0/1              usb5             bus            xHCI Host Controller
/0/100/11                 scsi0            storage        SB7x0/SB8x0/SB9x0 SATA
/0/100/11/0               /dev/sda         disk           1TB WDC WD10EZEX-00B
/0/100/11/0/1             /dev/sda1        volume         931GiB Windows NTFS vo
/0/100/11/1               /dev/sdb         disk           500GB Samsung SSD 860
/0/100/11/1/1             /dev/sdb1        volume         99MiB Windows FAT volu
/0/100/11/1/2             /dev/sdb2        volume         15MiB reserved partiti
/0/100/11/1/3             /dev/sdb3        volume         269GiB Windows NTFS vo
/0/100/11/1/4             /dev/sdb4        volume         498MiB Windows NTFS vo
/0/100/11/1/5             /dev/sdb5        volume         3814MiB Linux swap vol
/0/100/11/1/6             /dev/sdb6        volume         191GiB EXT4 volume
/0/100/12                                  bus            SB7x0/SB8x0/SB9x0 USB 
/0/100/12/1               usb8             bus            OHCI PCI host controll
/0/100/12/1/3                              input          Dell KB216 Wired Keybo
/0/100/12/1/5                              input          Gaming Mouse
/0/100/12.2                                bus            SB7x0/SB8x0/SB9x0 USB 
/0/100/12.2/1             usb3             bus            EHCI Host Controller
/0/100/12.2/1/2                            multimedia     Microsoft LifeCam-VX70
/0/100/13                                  bus            SB7x0/SB8x0/SB9x0 USB 
/0/100/13/1               usb9             bus            OHCI PCI host controll
/0/100/13.2                                bus            SB7x0/SB8x0/SB9x0 USB 
/0/100/13.2/1             usb6             bus            EHCI Host Controller
/0/100/14                                  bus            SBx00 SMBus Controller
/0/100/14.2                                multimedia     SBx00 Azalia (Intel HD
/0/100/14.3                                bridge         SB7x0/SB8x0/SB9x0 LPC 
/0/100/14.4                                bridge         SBx00 PCI to PCI Bridg
/0/100/14.5                                bus            SB7x0/SB8x0/SB9x0 USB 
/0/100/14.5/1             usb10            bus            OHCI PCI host controll
/0/100/16                                  bus            SB7x0/SB8x0/SB9x0 USB 
/0/100/16/1               usb11            bus            OHCI PCI host controll
/0/100/16.2                                bus            SB7x0/SB8x0/SB9x0 USB 
/0/100/16.2/1             usb7             bus            EHCI Host Controller
/0/100/16.2/1/3                            communication  SDM660-MTP _SN:4FC7189
/0/101                                     bridge         Family 15h Processor F
/0/102                                     bridge         Family 15h Processor F
/0/103                                     bridge         Family 15h Processor F
/0/104                                     bridge         Family 15h Processor F
/0/105                                     bridge         Family 15h Processor F
/0/106                                     bridge         Family 15h Processor F
/0/1                                       system         PnP device PNP0c01
/0/2                                       system         PnP device PNP0c02
/0/3                                       system         PnP device PNP0c02
/0/5                                       system         PnP device PNP0b00
/0/6                                       system         PnP device PNP0c02
/0/7                                       system         PnP device PNP0c02
/0/8                                       communication  PnP device PNP0501
/0/9                                       system         PnP device PNP0c02
/0/a                                       system         PnP device PNP0c02
/1                        enp0s22f2u3      network        Ethernet interface
/2                        wlx30b5c214162b  network        Wireless interface
 
Old 05-27-2021, 11:03 PM   #2
ondoho
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Quote:
Originally Posted by babaliaris View Post
I'm 90% sure that it's the high memory usage that causes this because I haven't noticed this phenomenon in other circumstances.
Sounds reasonable.
How much memory do you have and what's eating it? That's what you should fix IMHO.
 
Old 05-28-2021, 04:01 AM   #3
babaliaris
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8 gigs of memory. I was running 2 virtual machines on VirtualBox Anyway, I was just wondering why high memory was causing this issue.

Swap mem usage was only 20% at that time.
 
Old 05-28-2021, 04:06 AM   #4
pan64
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running 2 VMs looks too much, but [obviously] it depends on the "content", what is running inside.
Swapping will/may slow down sound processing and that will/may cause distortion.
 
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alsa, alsamixer, audio, debian 10 buster, distortion



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