[Firmware Bug]: TSC_DEADLINE disabled due to Errata;

[hack3rcon]

Hello,
Debian 10 show below error when booting:

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[Aug17 11:20] [Firmware Bug]: TSC_DEADLINE disabled due to Errata; please update microcode to version: 0x22 (or later)
[  +1.353492] ACPI BIOS Error (bug): Could not resolve [\_SB.PCI0.SAT0.SPT4._GTF.DSSP], AE_NOT_FOUND (20180810/psargs-3
[  +0.000078] ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.SPT4._GTF, AE_NOT_FOUND (20180810/psparse-516)
[  +0.000692] ACPI BIOS Error (bug): Could not resolve [\_SB.PCI0.SAT0.SPT4._GTF.DSSP], AE_NOT_FOUND (20180810/psargs-3
[  +0.000077] ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.SPT4._GTF, AE_NOT_FOUND (20180810/psparse-516)
[  +0.000504] ACPI BIOS Error (bug): Could not resolve [\_SB.PCI0.SAT0.SPT5._GTF.DSSP], AE_NOT_FOUND (20180810/psargs-3
[  +0.000079] ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.SPT5._GTF, AE_NOT_FOUND (20180810/psparse-516)
[  +0.002193] ACPI BIOS Error (bug): Could not resolve [\_SB.PCI0.SAT0.SPT5._GTF.DSSP], AE_NOT_FOUND (20180810/psargs-3
[  +0.000075] ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.SPT5._GTF, AE_NOT_FOUND (20180810/psparse-516)
[Aug17 11:21] r8169 0000:03:00.0: firmware: failed to load rtl_nic/rtl8168g-2.fw (-2)
[  +0.000106] firmware_class: See https://wiki.debian.org/Firmware for information about missing firmware

And some warnings:

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# dmesg -H -l warn
[Aug17 11:20] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
[  +0.000000] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
[  +0.004801] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guid
[  +0.000000]  #3
[  +0.000566] pmd_set_huge: Cannot satisfy [mem 0xf8000000-0xf8200000] with a huge-page mapping due to MTRR override.
[  +0.834963] r8169 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control
[  +0.009095] ACPI Warning: SystemIO range 0x0000000000001828-0x000000000000182F conflicts with OpRegion 0x000000000000
[  +0.000006] ACPI Warning: SystemIO range 0x0000000000001C40-0x0000000000001C4F conflicts with OpRegion 0x000000000000
[  +0.000003] ACPI Warning: SystemIO range 0x0000000000001C30-0x0000000000001C3F conflicts with OpRegion 0x000000000000
[  +0.000003] ACPI Warning: SystemIO range 0x0000000000001C30-0x0000000000001C3F conflicts with OpRegion 0x000000000000
[  +0.000003] ACPI Warning: SystemIO range 0x0000000000001C00-0x0000000000001C2F conflicts with OpRegion 0x000000000000
[  +0.000003] ACPI Warning: SystemIO range 0x0000000000001C00-0x0000000000001C2F conflicts with OpRegion 0x000000000000
[  +0.000002] lpc_ich: Resource conflict(s) found affecting gpio_ich
[Aug17 11:21] r8169 0000:03:00.0: Direct firmware load for rtl_nic/rtl8168g-2.fw failed with error -2
[  +0.000003] r8169 0000:03:00.0 enp3s0: unable to load firmware patch rtl_nic/rtl8168g-2.fw (-2)

Which package(s) must be install?

Thanks.

[p.H]

intel-microcode for an Intel CPU.
amd-microcode for an AMD CPU.
firmware-realtek for the Realtek network adapter.

[hack3rcon]

intel-microcode for an Intel CPU.
amd-microcode for an AMD CPU.
firmware-realtek for the Realtek network adapter.

I downloaded DVDs from https://cdimage.debian.org/debian-cd/cu ... 4/iso-dvd/, Can these DVDs contain non-free packages?

[NFT5]

Ummm,

Non-free Firmware

This is an official Debian image build and so only includes Free Software.

For convenience for some users, there is an alternative unofficial netinst CD build which includes non-free firmware for extra support for some awkward hardware. Look under /cdimage/unofficial/non-free/cd-including-firmware/ if you need that CD image instead.

No.

[hack3rcon]

I installed "intel-microcode" and "firmware-realtek". The "dmesg" show me below errors and warnings:

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$ sudo dmesg -H -l err
[Aug25 16:00] ACPI BIOS Error (bug): Could not resolve [\_SB.PCI0.SAT0.SPT4._GTF.DSSP], AE_NOT_FOUND (20180810/p
[  +0.000078] ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.SPT4._GTF, AE_NOT_FOUND (20180810/psparse
[  +0.000693] ACPI BIOS Error (bug): Could not resolve [\_SB.PCI0.SAT0.SPT4._GTF.DSSP], AE_NOT_FOUND (20180810/p
[  +0.000075] ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.SPT4._GTF, AE_NOT_FOUND (20180810/psparse
[  +0.116713] ACPI BIOS Error (bug): Could not resolve [\_SB.PCI0.SAT0.SPT5._GTF.DSSP], AE_NOT_FOUND (20180810/p
[  +0.000077] ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.SPT5._GTF, AE_NOT_FOUND (20180810/psparse
[  +0.002250] ACPI BIOS Error (bug): Could not resolve [\_SB.PCI0.SAT0.SPT5._GTF.DSSP], AE_NOT_FOUND (20180810/p
[  +0.000077] ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.SPT5._GTF, AE_NOT_FOUND (20180810/psparse
[  +1.951832] sd 6:0:0:0: [sdc] No Caching mode page found
[  +0.000009] sd 6:0:0:0: [sdc] Assuming drive cache: write through
[Aug25 16:05] sd 6:0:0:0: [sdc] No Caching mode page found
[  +0.000003] sd 6:0:0:0: [sdc] Assuming drive cache: write through

And:

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$ sudo dmesg -H -l warn
[Aug25 16:00] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
[  +0.000001] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
[  +0.003867] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln
[  +0.000000]  #3
[  +0.001491] pmd_set_huge: Cannot satisfy [mem 0xf8000000-0xf8200000] with a huge-page mapping due to MTRR override.
[  +0.713678] r8169 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control
[  +0.011621] ACPI Warning: SystemIO range 0x0000000000001828-0x000000000000182F conflicts with OpRegion 0x0000000000001800-0x00
[  +0.002014] ACPI Warning: SystemIO range 0x0000000000001C40-0x0000000000001C4F conflicts with OpRegion 0x0000000000001C00-0x00
[  +0.000667] ACPI Warning: SystemIO range 0x0000000000001C30-0x0000000000001C3F conflicts with OpRegion 0x0000000000001C00-0x00
[  +0.000004] ACPI Warning: SystemIO range 0x0000000000001C30-0x0000000000001C3F conflicts with OpRegion 0x0000000000001C00-0x00
[  +0.000109] ACPI Warning: SystemIO range 0x0000000000001C00-0x0000000000001C2F conflicts with OpRegion 0x0000000000001C00-0x00
[  +0.000003] ACPI Warning: SystemIO range 0x0000000000001C00-0x0000000000001C2F conflicts with OpRegion 0x0000000000001C00-0x00
[  +0.000005] lpc_ich: Resource conflict(s) found affecting gpio_ich

How can I solve it?

[p.H]

There is nothing to solve. ACPI errors are due to motherboard firmware bugs. Other messages are not errors.
Do not focus on kernel messages too much. Is something not working properly ?

[hack3rcon]

There is nothing to solve. ACPI errors are due to motherboard firmware bugs. Other messages are not errors.
Do not focus on kernel messages too much. Is something not working properly ?

Motherboard firmware bugs? The motherboard model is "Asus B85-PLUS".
How can I sure is something wrong or...? The other problem is "MTRR", Why no one explained it?