Ubuntu LTS 20.01.1 로그인 화면 중 프레임 속도가 매우 낮음

기존 HP Proliant ML110 G5에 x64용 Ubuntu Dekstop 20.04.1 LTS를 설치했습니다. 테이프 드라이브와 내장형 SATA RAID 컨트롤러를 인식했기 때문에 제대로 작동했지만 로그인 화면에서는 시스템이 매우 느리지만 로그인한 후에는 시스템이 원활하게 작동했습니다. 큰 문제는 아니지만 불편하고 어떻게 해결해야 하는지 알고 싶습니다. 산출lspci명령은 다음과 같습니다:

00:00.0 Host bridge: Intel Corporation
3200/3210 Chipset DRAM Controller (rev
01) 00:01.0 PCI bridge: Intel
Corporation 3200/3210 Chipset
Host-Primary PCI Express Bridge (rev
01) 00:1a.0 USB controller: Intel
Corporation 82801I (ICH9 Family) USB
UHCI Controller #4 (rev 02) 00:1a.1
USB controller: Intel Corporation
82801I (ICH9 Family) USB UHCI
Controller #5 (rev 02) 00:1a.2 USB
controller: Intel Corporation 82801I
(ICH9 Family) USB UHCI Controller #6
(rev 02) 00:1a.7 USB controller: Intel
Corporation 82801I (ICH9 Family) USB2
EHCI Controller #2 (rev 02) 00:1c.0
PCI bridge: Intel Corporation 82801I
(ICH9 Family) PCI Express Port 1 (rev
02) 00:1c.4 PCI bridge: Intel
Corporation 82801I (ICH9 Family) PCI
Express Port 5 (rev 02) 00:1c.5 PCI
bridge: Intel Corporation 82801I (ICH9
Family) PCI Express Port 6 (rev 02)
00:1d.0 USB controller: Intel
Corporation 82801I (ICH9 Family) USB
UHCI Controller #1 (rev 02) 00:1d.1
USB controller: Intel Corporation
82801I (ICH9 Family) USB UHCI
Controller #2 (rev 02) 00:1d.2 USB
controller: Intel Corporation 82801I
(ICH9 Family) USB UHCI Controller #3
(rev 02) 00:1d.7 USB controller: Intel
Corporation 82801I (ICH9 Family) USB2
EHCI Controller #1 (rev 02) 00:1e.0
PCI bridge: Intel Corporation 82801
PCI Bridge (rev 92) 00:1f.0 ISA
bridge: Intel Corporation 82801IR
(ICH9R) LPC Interface Controller (rev
02) 00:1f.2 RAID bus controller: Intel
Corporation SATA Controller [RAID
mode] (rev 02) 00:1f.3 SMBus: Intel
Corporation 82801I (ICH9 Family) SMBus
Controller (rev 02) 00:1f.5 IDE
interface: Intel Corporation 82801I
(ICH9 Family) 2 port SATA Controller
[IDE mode] (rev 02) 05:00.0 PCI
bridge: PLX Technology, Inc. PEX 8114
PCI Express-to-PCI/PCI-X Bridge (rev
bc) 06:08.0 SCSI storage controller:
Broadcom / LSI 53c1030 PCI-X
Fusion-MPT Dual Ultra320 SCSI (rev c1)
0d:00.0 VGA compatible controller:
Matrox Electronics Systems Ltd. MGA
G200e [Pilot] ServerEngines (SEP1)
(rev 02) 0e:00.0 Ethernet controller:
Broadcom Inc. and subsidiaries
NetXtreme BCM5722 Gigabit Ethernet PCI
Express

산출Journalctl -b -p 오류è명령은 다음과 같습니다:

-- Logs begin at Fri 2020-11-13 12:49:51 CET, end at Fri 2020-11-13
21:26:44 CET. -- nov 13 21:22:54
server kernel: ACPI: SPCR: Unexpected
SPCR Access Width. Defaulting to byte
size nov 13 21:22:54 server kernel:
ACPI BIOS Error (bug): Failure
creating named object
[\_SB.PCI0._OSC.CAP> nov 13 21:22:54
server kernel: ACPI Error:
AE_ALREADY_EXISTS, CreateBufferField
failure (20190816/dswlo> nov 13
21:22:54 server kernel: ACPI Error:
Aborting method \_SB.PCI0._OSC due to
previous error (AE_ALR> nov 13
21:22:54 server kernel: platform
INT0800:00: failed to claim resource
0: [mem 0xff800000-0xfffff> nov 13
21:22:54 server kernel: acpi
INT0800:00: platform device creation
failed: -16 nov 13 21:22:54 server
kernel: ERST: Failed to get Error Log
Address Range. nov 13 21:22:54 server
kernel: scsi target6:0:3: Wide
Transfers Fail nov 13 21:24:50 server
gdm-password][1323]: gkr-pam: unable
to locate daemon control file nov 13
21:25:16 server pulseaudio[1354]:
GetManagedObjects() failed:
org.freedesktop.DBus.Error.NoReply>