Gut, versuchen wir erst mal den 1. Punkt:
lspci -k
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller (rev 09)
Subsystem: Gigabyte Technology Co., Ltd Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller
Kernel driver in use: ivb_uncore
Kernel modules: ie31200_edac
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port (rev 09)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
Subsystem: Gigabyte Technology Co., Ltd 7 Series/C210 Series Chipset Family USB xHCI Host Controller
Kernel driver in use: xhci_hcd
00:16.0 Communication controller: Intel Corporation 7 Series/C216 Chipset Family MEI Controller #1 (rev 04)
Subsystem: Gigabyte Technology Co., Ltd 7 Series/C216 Chipset Family MEI Controller
Kernel driver in use: mei_me
Kernel modules: mei_me
00:1a.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #2 (rev 04)
Subsystem: Gigabyte Technology Co., Ltd 7 Series/C216 Chipset Family USB Enhanced Host Controller
Kernel driver in use: ehci-pci
00:1b.0 Audio device: Intel Corporation 7 Series/C216 Chipset Family High Definition Audio Controller (rev 04)
Subsystem: Gigabyte Technology Co., Ltd 7 Series/C216 Chipset Family High Definition Audio Controller
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 1 (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.5 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c4)
00:1c.6 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 7 (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.7 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 8 (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1d.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #1 (rev 04)
Subsystem: Gigabyte Technology Co., Ltd 7 Series/C216 Chipset Family USB Enhanced Host Controller
Kernel driver in use: ehci-pci
00:1f.0 ISA bridge: Intel Corporation H77 Express Chipset LPC Controller (rev 04)
Subsystem: Gigabyte Technology Co., Ltd H77 Express Chipset LPC Controller
Kernel driver in use: lpc_ich
Kernel modules: lpc_ich
00:1f.2 IDE interface: Intel Corporation 7 Series/C210 Series Chipset Family 4-port SATA Controller [IDE mode] (rev 04)
Subsystem: Gigabyte Technology Co., Ltd 7 Series/C210 Series Chipset Family 4-port SATA Controller [IDE mode]
Kernel driver in use: ata_piix
Kernel modules: pata_acpi
00:1f.3 SMBus: Intel Corporation 7 Series/C216 Chipset Family SMBus Controller (rev 04)
Subsystem: Gigabyte Technology Co., Ltd 7 Series/C216 Chipset Family SMBus Controller
Kernel modules: i2c_i801
00:1f.5 IDE interface: Intel Corporation 7 Series/C210 Series Chipset Family 2-port SATA Controller [IDE mode] (rev 04)
Subsystem: Gigabyte Technology Co., Ltd 7 Series/C210 Series Chipset Family 2-port SATA Controller [IDE mode]
Kernel driver in use: ata_piix
Kernel modules: pata_acpi
01:00.0 VGA compatible controller: NVIDIA Corporation GF116 [GeForce GTX 550 Ti] (rev a1)
Subsystem: eVga.com. Corp. GF116 [GeForce GTX 550 Ti]
Kernel driver in use: nouveau
Kernel modules: nvidiafb, nouveau
01:00.1 Audio device: NVIDIA Corporation GF116 High Definition Audio Controller (rev a1)
Subsystem: eVga.com. Corp. GF116 High Definition Audio Controller
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
03:00.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 41)
05:00.0 Ethernet controller: Qualcomm Atheros AR8161 Gigabit Ethernet (rev 10)
Subsystem: Gigabyte Technology Co., Ltd AR8161 Gigabit Ethernet
Kernel driver in use: alx
Kernel modules: alx
06:00.0 USB controller: Etron Technology, Inc. EJ168 USB 3.0 Host Controller (rev 01)
Subsystem: Gigabyte Technology Co., Ltd EJ168 USB 3.0 Host Controller
Kernel driver in use: xhci_hcd
ACH SO: Kernel ist 4.15.0-33-generic
Ich habe mich vor dem Upgrade vom Desktop abgemeldet und das Upgrade über die virtuelle Konsole durchgeführt. Soll dann angeblich besser klappen.
Edit: Der Alsamixer zeigt den Via-Soundchip (HDA Intel PCH (Via VT 2020))richtig an. Mastervolume ist auch aktiviert und on Top. Es scheint kein Treiber vorhanden zu sein.