Comment 11 for bug 1738534

I'm experiencing the same issue on Ubuntu 21.04 (5.11.0-22-generic)

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DistroRelease: Ubuntu 21.04
InstallationDate: Installed on 2020-03-14 (487 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200309)
ProcVersionSignature: Ubuntu 5.11.0-22.23-generic 5.11.21
UpgradeStatus: Upgraded to hirsute on 2021-06-03 (40 days ago)
dmi.bios.date: 11/30/2020
dmi.bios.release: 1.41
dmi.bios.vendor: LENOVO
dmi.bios.version: BHCN41WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0R32862 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Legion Y540-15IRH-PG0
dmi.ec.firmware.release: 1.41
dmi.modalias: dmi:bvnLENOVO:bvrBHCN41WW:bd11/30/2020:br1.41:efr1.41:svnLENOVO:pn81SY:pvrLegionY540-15IRH-PG0:rvnLENOVO:rnLNVNB161216:rvrSDK0R32862WIN:cvnLENOVO:ct10:cvrLegionY540-15IRH-PG0:
dmi.product.family: Legion Y540-15IRH-PG0
dmi.product.name: 81SY
dmi.product.sku: LENOVO_MT_81SY_BU_idea_FM_Legion Y540-15IRH-PG0
dmi.product.version: Legion Y540-15IRH-PG0
dmi.sys.vendor: LENOVO

lscpu
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Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 39 bits physical, 48 bits virtual
CPU(s): 12
On-line CPU(s) list: 0-11
Thread(s) per core: 2
Core(s) per socket: 6
Socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 158
Model name: Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz
Stepping: 10
CPU MHz: 2600.000
CPU max MHz: 2600.0000
CPU min MHz: 800.0000
BogoMIPS: 5199.98
Virtualization: VT-x
L1d cache: 192 KiB
L1i cache: 192 KiB
L2 cache: 1.5 MiB
L3 cache: 12 MiB
NUMA node0 CPU(s): 0-11
Vulnerability Itlb multihit: KVM: Mitigation: VMX disabled
Vulnerability L1tf: Mitigation; PTE Inversion; VMX vulnerable
Vulnerability Mds: Vulnerable; SMT vulnerable
Vulnerability Meltdown: Vulnerable
Vulnerability Spec store bypass: Vulnerable
Vulnerability Spectre v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers
Vulnerability Spectre v2: Vulnerable, IBPB: disabled, STIBP: disabled
Vulnerability Srbds: Vulnerable
Vulnerability Tsx async abort: Not affected
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1g
                                 b rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_c
                                 pl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm
                                 abm 3dnowprefetch cpuid_fault epb invpcid_single ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bm
                                 i1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_not
                                 ify hwp_act_window hwp_epp md_clear flush_l1d