A lot of these errors sound like BIOS issues. For example, "AMD-Vi:
Unable to read/write to IOMMU perf" is a very common error on modern AMD
systems due to lack of documentation on it.
Note that you are running older BIOS (F0CN17WW and latest is F0CN24WW).
** Package changed: kernel-package (Ubuntu) => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1897392
Title:
Ryzen 4800u, kernel 5.8.11 boot errors (AMD-Vi, ACPI, HDCP, Bluetooth)
Status in linux package in Ubuntu:
Incomplete
Bug description:
Lenovo IdeaPad S540, 13-ARE
AMD Ryzen 4800U, 16GB dual channel RAM, 13.3" 2560x1600 screen.
Note this laptop is a lot like the Lenovo Slim 7, it seems this laptop UEFI
Bios does advertise S3 sleep, the Slim 7 only advertises S2idle.
The errors are related to AMD Ryzen 4000 series.
Clean (no dual boot) Ubuntu Budgie 20.04.1 with kernel upgraded to
5.8.11.
Full dmesg: https://pastebin.com/nFbHB22d
Journalclt after boot: https://pastebin.com/bcpw8Vhc
erros only from dmesg:
$ sudo dmesg -l err
[ 2.686094] pci 0000:00:00.2: AMD-Vi: Unable to read/write to IOMMU perf
counter.
[ 4.818164] I2C multi instantiate pseudo device driver INT3515:00: IRQ
index 1 not found
[ 4.836122] snd_pci_acp3x 0000:03:00.5: Invalid ACP audio mode : 0
[ 4.971650] ACPI Error: No handler for Region [ECSI] (00000000e6d23662)
[EmbeddedControl] (20200528/evregion-127)
[ 4.971933] ACPI Error: Region EmbeddedControl (ID=3) has no handler
(20200528/exfldio-261)
[ 4.972172] ACPI Error: Aborting method \_SB.UBTC.ECRD due to previous
error (AE_NOT_EXIST) (20200528/psparse-529)
[ 4.972447] ACPI Error: Aborting method \_SB.UBTC._DSM due to previous
error (AE_NOT_EXIST) (20200528/psparse-529)
[ 4.972736] ucsi_acpi USBC000:00: ucsi_acpi_dsm: failed to evaluate _DSM 2
[ 5.871695] acp_pdm_mach acp_pdm_mach.0: snd_soc_register_card(acp)
failed: -517
[ 6.127547] [drm:dm_helpers_dp_write_dpcd [amdgpu]] *ERROR* Failed to find
connector for link!
[ 6.128334] [drm:dm_helpers_dp_write_dpcd [amdgpu]] *ERROR* Failed to find
connector for link!
[ 6.128558] [drm:dm_helpers_dp_write_dpcd [amdgpu]] *ERROR* Failed to find
connector for link!
[ 6.938706] [drm:mod_hdcp_add_display_to_topology [amdgpu]] *ERROR* Failed
to add display topology, DTM TA is not initialized.
$ lsb_release -a; uname -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
Linux Idefix 5.8.11-050811-generic #202009230858 SMP Wed Sep 23 13:06:55 UTC
2020 x86_64 x86_64 x86_64 GNU/Linux
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